Ryzen

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AMD Ryzen
AMD ryzen stylized.svg
General Info
LaunchedFebruary 2017 (Released March 2, 2017[citation needed])
Marketed byAMD
Designed byAMD
Common manufacturer(s)
Performance
Max. CPU clock rate3.0 GHz to 4.7 GHz
Architecture and classification
Min. feature size14nm to 7nm
MicroarchitectureZen
Zen+
Zen 2
Instruction setAMD64/x86-64, MMX(+), SSE1, SSE2, SSE3, SSSE3, SSE4a, SSE4.1, SSE4.2, AES, CLMUL, AVX, AVX2, FMA3, CVT16/F16C, ABM, BMI1, BMI2, SHA
Physical specifications
Transistors
  • 4.8 billion for Zen & Zen+ (per 8 cores)[1]
Cores
  • Up to 64 cores/128 threads
Socket(s)
History
PredecessorFX

Ryzen (/ˈrzən/ RY-zən)[2] is a brand[3] of x86-64 microprocessors designed and marketed by Advanced Micro Devices, Inc. (AMD) for desktop, mobile and embedded platforms based on the Zen microarchitecture and its successors. It consists of central processing units marketed for mainstream, enthusiast and workstation segments and accelerated processing units (APUs) marketed for mainstream and entry-level segments and embedded applications. Ryzen was especially significant for AMD, being a completely new design, and marking the corporation's first return to the high end desktop CPU market with a product capable of challenging competitor Intel for almost ten years.

AMD officially announced the first 14nm Ryzen products during its New Horizon summit on December 13, 2016 and introduced them the following February with the first processors being 8-core, 16 thread CPUs released in March 2 2017 to public market availability.[4] The second generation of Ryzen CPUs featuring the Zen+ microarchitecture, an incremental improvement built on a 12nm process technology, was released in April 2018 and featured a 3% IPC and 6%[5] uplift in clockspeed respectively with up to 10% aggregate performance increase over the original Ryzen that first released in 2017.[6] The third generation, based on Zen 2 and featuring more significant design improvements and a further shrink to TSMC's 7nm process, launched on July 7, 2019 and featured a self-reported 15% IPC increase, though real-world benchmarks mark 13% in most cases according to MSI[7] and userbenchmark[8]. In late 2019, the Zen3 core has been revealed to be an entirely new architecture being built on TSMC's 7nm+ node, with EUV is finished and is currently undergoing engineering sampling as of Q4 2019.

While the majority of Ryzen-branded products are for use with the Socket AM4 platform, in August 2017 AMD added a line of high core count desktop processors aimed at the workstation market with the Ryzen Threadripper branding. Threadripper uses the larger TR4 and sTRX4 sockets, which support more memory channels and PCI Express lanes.[9][10]

In December 2019, AMD started putting out first generation Ryzen products built using the second generation Zen+ architecture.[11] Most notable example is Ryzen 5 1600, with newest batches, having "AF" identifier instead of its usual "AE", being essentially a rebadged Ryzen 5 2600 with same specifications as for original Ryzen 5 1600.

History[edit]

In the five years before the release of Ryzen, AMD's direct competitor in the x86 and x86-64 consumer-level CPU marketspace, Intel, had continued to grow its market share with the tick-tock improvement cycle of its Core series of microprocessors.[12] Since the release of its Bulldozer microarchitecture in 2011, AMD's CPUs had fallen progressively behind those from Intel in both single- and multi-core performance.[13] Despite a die shrink and several revisions of the Bulldozer architecture, performance and power efficiency failed to catch up with Intel's competing products.[citation needed]

Ryzen is the consumer-level implementation of the newer Zen microarchitecture, a complete re-design that marked the return of AMD to the high-end CPU market, offering a product stack able to compete with Intel at every level.[14][15] Having more processing cores, Ryzen processors offer greater multi-threaded performance at the same price point relative to Intel's Core processors.[16] The Zen architecture delivers more than 52% improvement in instructions-per-clock cycle over the previous-generation Bulldozer AMD core, without increasing power consumption.[17]

Threadripper, which is geared for high end desktops (HEDT), wasn't developed as part of a business plan or a specific roadmap; instead a small enthusiast team inside AMD saw an opportunity that something could be developed between the Ryzen and Epyc cpu roadmaps that would put the crown of performance on AMD. After some progress was made in their spare time the project was green lit and put in an official roadmap by 2016[18].

Since the release of Ryzen, AMD's CPU market share has increased while Intel appears to have stagnated.[12]

Product lineup[edit]

Zen microarchitecture[edit]

CPUs: Summit Ridge (Ryzen) and Whitehaven (Ryzen Threadripper)[edit]

  • Socket AM4 for Ryzen and Socket TR4 for Ryzen Threadripper.[19][20]
  • 4.8 billion transistors per 192 mm2[21] 8-core "Zeppelin" die[1] with one die being used for Ryzen and two for Ryzen Threadripper.
  • Stepping: B1[22]
  • Memory support:
    • Ryzen dual-channel: DDR4–2666 ×2 single rank, DDR4–2400 ×2 dual rank, DDR4–2133 ×4 single rank, or DDR4–1866 ×4 dual rank.[19][23]
    • Ryzen Threadripper quad-channel: DDR4–2666 ×4 single rank, DDR4–2400 ×4 dual rank, DDR4–2133 ×8 single rank, or DDR4–1866 ×8 dual rank.
  • Instructions Sets: x87, MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AES, CLMUL, AVX, AVX2, FMA3, CVT16/F16C, ABM, BMI1, BMI2, SHA.[24]
  • All Ryzen-branded CPUs feature unlocked multipliers.
  • AMD's SenseMI Technology monitors the processor continuously and uses Infinity Control Fabric to offer the following features:[19][25][26]
    • Pure Power reduces the entire ramp of processor voltage and clock speed, for light loads.
    • Precision Boost increases the processor voltage and clock speed by 100–200 MHz if three or more cores are active (five or more, in the case of Threadripper, and by 300 MHz); and significantly further when less than three are active (less than five, in the case of Threadripper).[27]
    • XFR (eXtended Frequency Range) aims to maintain the average clock speed closer to the maximum Precision Boost, when sufficient cooling is available.[28]
    • Neural Net Prediction and Smart Prefetch use perceptron based neural branch prediction inside the processor to optimize instruction workflow and cache management.
  • Ryzen launched in conjunction with a line of stock coolers for Socket AM4: the Wraith Stealth, Wraith Spire and Wraith Max. This line succeeds the original AMD Wraith cooler, which was released in mid-2016.[29] The Wraith Stealth is a bundled low-profile unit meant for the lower-end CPUs with a rating for a TDP of 65 W, whereas the Wraith Spire is the bundled mainstream cooler with a TDP rating of 95 W, along with optional RGB lighting on certain models. The Wraith Max is a larger cooler incorporating heatpipes, rated for a 140W TDP.
Model Release Date
& Price
Fab Cores/FPUs
(threads)
Clock rate (GHz) Cache[a] Socket PCIe lanes[b] Memory
support
TDP Stock Cooler (box)[c] Box Number[d]
Base Precision Boost
1–2
(≥3)
L1 L2 L3
Entry-level
Ryzen 3 1200[e][34][35][36] July 27, 2017
US $109
14nm 4 (4) 3.1 3.4
(?)
64 KB inst.
32 KB data
per core
[37][38][39][40][41][42][43]
512 KB
per core
[44][45][46]
8 MB AM4 24[47] DDR4-2666
dual-channel
65 W Wraith Stealth
Ryzen 3 1300X[e][34][35] July 27, 2017
US $129
3.5 3.7
(?)
Mainstream
Ryzen 5 1400 April 11, 2017
US $169
14nm 4 (8) 3.2 3.4
(?)
64 KB inst.
32 KB data
per core
[37][38][39][40][41][42][43][48][49][50]
512 KB
per core
[44][45][46]
8 MB AM4 24[47] DDR4-2666
dual-channel
65 W Wraith Stealth
Ryzen 5 1500X[e] April 11, 2017
US $189
3.5 3.7
(3.6)
16 MB Wraith Spire
Ryzen 5 1600[e] April 11, 2017
US $219
6 (12) 3.2 3.6
(3.4)
YD1600BBAEBOX
Ryzen 5 1600X April 11, 2017
US $249
3.6 4.0
(3.7)
95 W N/A
Performance
Ryzen 7 1700[e] March 2, 2017
US $329
14nm 8 (16) 3.0 3.7
(3.2)
64 KB inst.
32 KB data
per core
[51][52][52][53]
512 KB
per core
[44][45][46]
16 MB AM4 24[47] DDR4-2666
dual-channel
65 W Wraith Spire RGB
Ryzen 7 1700X[e] March 2, 2017
US $399 (without original fan (WOF))
3.4 3.8[54]
(3.5)
95 W Wraith Max YD170XBCAEMPK
Ryzen 7 1800X March 2, 2017
US $499 (WOF)
3.6 4.0
(3.7)
YD180XBCAEMPK
High-end desktop (HEDT)
Ryzen Threadripper 1900X[44][55][56] August 31, 2017
US $549
14nm 8 (16) 3.8 4.0
(3.9)[57][58]
64 KB inst.
32 KB data
per core
[46][45]
512 KB
per core
[45][46]
16 MB TR4[9] 64[10] DDR4-2666
quad-channel
[9][59]
180 W N/A
Ryzen Threadripper 1920X[60][44] August 10, 2017
US $799
12 (24) 3.5 4.05[61]
(3.7)[62]
32 MB [45][46]
Ryzen Threadripper 1950X[60][44] August 10, 2017
US $999
16 (32) 3.4 4.0
(3.7)
  1. ^ AMD in its technical documentation uses KB, which it defines as Kilobyte and as equal to 1024 bytes, and MB, which it defines as Megabyte and as equal to 1024 KB.[30]
  2. ^ PCIe lane count includes 4 lanes used for connectivity to the chipset.[31]
  3. ^ A box without cooler might also be available (WOF).
  4. ^ With cooler if available.
  5. ^ a b c d e f Model also available as Pro variant for OEMs, which may offer additional features not listed in this table. Pro models were released by AMD on June 29, 2017.[32][33]

APUs[edit]

Raven Ridge[edit]
  • 4.95 billion[63] transistors on a 210 mm2 die,[63] based on a modified 14nm Zeppelin die where four of the cores are replaced by an integrated fifth-generation GCN-based GPU.
  • Precision Boost 2[64]
  • 16 external PCIe 3.0 lanes (four each to chipset and M.2 socket; eight to a PCIe slot). 16 internal PCIe 3.0 lanes for the integrated GPU and on-board I/O.[citation needed]
Mobile[edit]

In May 2017, AMD demonstrated a Ryzen mobile APU with four Zen CPU cores and Radeon Vega-based GPU.[65] The first Ryzen mobile APUs were officially released in October 2017.[66]

In 2019, AMD released some new dual core Zen mobile parts branded as 300 or 3000.

Model Release
date
Fab CPU GPU Memory support TDP Part number
Cores/FPUs
(threads)
Clock rate (GHz) Cache[a] Model Config[b] Clock Processing
power
(GFLOPS)[c]
Base Boost L1 L2 L3
Athlon Pro 200U[67] 2019 14nm 2 (4) 2.3 3.2 64 KiB inst.
32 KiB data
per core
512 KiB
per core
4 MiB Vega 3 192:12:4
3 CU [68]
1000 MHz 384 DDR4-2400
dual-channel
12–25 W YM200UC4T2OFB
Athlon 300U[69] January 6, 2019 2.4 3.3 YM300UC4T2OFG
Ryzen 3 2200U[70] January 8, 2018 2.5 3.4 1100 MHz 422.4 YM2200C4T2OFB
Ryzen 3 3200U[71] January 6, 2019 2.6 3.5 1200 MHz 460.8 YM3200C4T2OFG
Ryzen 3 2300U[72] January 8, 2018 4 (4) 2.0 3.4 Vega 6 384:24:8
6 CU [73]
1100 MHz 844.8 YM2300C4T4MFB
Ryzen 3 Pro 2300U[74] May 15, 2018 [75] YM230BC4T4MFB
Ryzen 5 2500U[76] October 26, 2017[76] 4 (8) 3.6 Vega 8 512:32:16
8 CU [77]
1126.4 YM2500C4T4MFB
Ryzen 5 Pro 2500U[78] May 15, 2018 [75] YM250BC4T4MFB
Ryzen 5 2600H[79] September 10, 2018[80] 3.2 DDR4-3200
dual-channel
35–54 W YM2600C3T4MFB
Ryzen 7 2700U[81] October 26, 2017[81] 2.2 3.8 Vega 10 640:40:16
10 CU [82]
1300 MHz 1664 DDR4-2400
dual-channel
12–25 W YM2700C4T4MFB
Ryzen 7 Pro 2700U[83] May 15, 2018 [75] YM270BC4T4MFB
Ryzen 7 2800H[79] September 10, 2018[80] 3.3 Vega 11 704:44:16
11 CU
1830.4 DDR4-3200
dual-channel
35–54 W YM2800C3T4MFB
  1. ^ AMD in its technical documentation uses KB, which it defines as Kilobyte and as equal to 1024 bytes, and MB, which it defines as Megabyte and as equal to 1024 KB.[30]
  2. ^ Unified Shaders : Texture Mapping Units : Render Output Units and Compute Units (CU)
  3. ^ Single precision performance is calculated from the base (or boost) core clock speed based on a FMA operation.
Desktop[edit]

In January 2018, AMD announced the first two Ryzen desktop processors with integrated Radeon Vega graphics under the Raven Ridge codename. The Ryzen 3 2200G and the Ryzen 5 2400G were released in February.[84] Other Raven Ridge processors were added later that year, with the most basic of entry level products appearing under the re-launched Athlon branding and with locked clock multipliers.

Model Release Date
& Price
Fab CPU GPU Memory
support
TDP Stock Cooler (box)[a]
Cores/FPUs
(threads)
Clock rate (GHz) Cache[b] Model Config[c] Clock Processing
power
(GFLOPS)[d]
Base Boost L1 L2 L3
Athlon 200GE[85][86] September 6, 2018
US $55
14nm 2 (4) 3.2 N/A 64 KiB inst.
32 KiB data
per core
512 KiB
per core
4 MiB Vega 3 192:12:4
3 CU
1000 MHz 384 DDR4-2666
dual-channel
35 W Near-Silent 65W
Athlon Pro 200GE[87][86] September 6, 2018
OEM
N/A
Athlon 220GE[88] December 21, 2018
US $65
3.4 Near-Silent 65W
Athlon 240GE[88] December 21, 2018
US $75
3.5
Athlon 3000G[89] November 19, 2019
US $49
1100 MHz 424.4
Ryzen 3 2200GE[90][91] April 19, 2018
OEM
4 (4) 3.2 3.6 RX Vega 8 512:32:16
8 CU
1100 MHz 1126 DDR4-2933
dual-channel
N/A
Ryzen 3 Pro 2200GE[92] May 10, 2018
OEM
Ryzen 3 2200G[93] February 12, 2018[94]
US $99
3.5 3.7 45–65 W Wraith Stealth
Ryzen 3 Pro 2200G[95] May 10, 2018
OEM
N/A
Ryzen 5 2400GE[96][91] April 19, 2018
OEM
4 (8) 3.2 3.8 RX Vega 11 704:44:16
11 CU[97]
1250 MHz 1760 35 W
Ryzen 5 Pro 2400GE[98] May 10, 2018
OEM
Ryzen 5 2400G[99] February 12, 2018[94][100]
US $169
3.6 3.9 45–65 W Wraith Stealth
Ryzen 5 Pro 2400G[101] May 10, 2018
OEM
N/A
  1. ^ A box without cooler might also be available (WOF).
  2. ^ AMD in its technical documentation uses KB, which it defines as Kilobyte and as equal to 1024 bytes, and MB, which it defines as Megabyte and as equal to 1024 KB.[30]
  3. ^ Unified Shaders : Texture Mapping Units : Render Output Units and Compute Units (CU)
  4. ^ Single-precision performance is calculated from the base (or boost) core clock speed based on a FMA operation.
Great Horned Owl[edit]
Embedded[edit]

In February 2018, AMD announced the V1000 series of embedded Zen+Vega APUs with four SKUs.[102]

Model Release
date
Fab CPU GPU Memory
support
TDP
Cores/FPUs
(threads)
Clock rate (GHz) Cache[a] Model Config[b] Clock Processing
power
(GFLOPS)[c]
Base Boost L1 L2 L3
V1202B Unknown 14nm 2 (4) 2.3 3.2 64 KiB inst.
32 KiB data
per core
512 KiB
per core
4 MiB RX Vega 3 192:12:16
3 CU
1000 MHz 384 DDR4-2400
dual-channel
12–25 W
V1605B Unknown 4 (8) 2.0 3.6 RX Vega 8 512:32:16
8 CU
1100 MHz 1126.4
V1756B Unknown 3.25 1300 MHz 1331.2 DDR4-3200
dual-channel
35–54 W
V1807B Unknown 3.35 3.8 RX Vega 11 704:44:16
11 CU
1830.4
  1. ^ AMD defines 1 kilobyte (KB) as 1024 bytes, and 1 megabyte (MB) as 1024 kilobytes.[103]
  2. ^ Unified Shaders : Texture Mapping Units : Render Output Units and Compute Units (CU)
  3. ^ Single-precision performance is calculated from the base (or boost) core clock speed based on a FMA operation.
Banded Kestrel[edit]
Embedded[edit]

In April 2019, AMD announced another line of embedded Zen+Vega APUs, namely the Ryzen Embedded R1000 series with two SKUs.[104]

Model Release
date
Fab CPU GPU Memory
support
TDP Socket
Cores/FPUs
(threads)
Clock rate (GHz) Cache Model Config Clock
Base Boost L1 L2 L3
R1505G April 16, 2019 14nm 2 (4) 2.4 3.3 64 KiB inst.
32 KiB data
per core
512 KiB
per core
4 MB Vega 3 192:12:16
3 CU
1000 MHz DDR4-2400
dual-channel ECC
12–25 W FP5
R1606G 2.6 3.5 1200 MHz
Dalí[edit]

Dalí are 14nm dual core parts.

Mobile[edit]

In January 2020, AMD announced value dual core mobile parts.

Model Release
date
Fab CPU GPU Memory support TDP Part number
Cores/FPUs
(threads)
Clock rate (GHz) Cache[a] Model Config[b] Clock Processing
power
(GFLOPS)[c]
Base Boost L1 L2 L3
Athlon Silver 3050U[105] January 6, 2020 14nm 2 (2) 2.3 3.2 64 KiB inst.
32 KiB data
per core
512 KiB
per core
4 MiB Radeon (Vega) 128:?:?
2 CU
1100 MHz 281.6 DDR4-2400
dual-channel
12-25 W YM3050C4T2OFG
Athlon Gold 3150U[106] 2 (4) 2.6 3.3 192:?:?
3 CU
1000 MHz 384 YM3150C4T2OFG
Ryzen 3 3250U[107] 2.6 3.5 1200 MHz 460.8 YM3250C4T2OFG
  1. ^ AMD in its technical documentation uses KB, which it defines as Kilobyte and as equal to 1024 bytes, and MB, which it defines as Megabyte and as equal to 1024 KB.[30]
  2. ^ Unified Shaders : Texture Mapping Units : Render Output Units and Compute Units (CU)
  3. ^ Single precision performance is calculated from the base (or boost) core clock speed based on a FMA operation.

Zen+ microarchitecture[edit]

CPUs: Pinnacle Ridge (Ryzen) and Colfax (Ryzen Threadripper)[edit]

The first of the Ryzen 2000 series of CPU products based on the 12nm Zen+ microarchitecture, code named Pinnacle Ridge and featuring improved Precision Boost 2 technology,[64] were announced for preorder on April 13, 2018[108] and launched six days later. The new Wraith Prism cooler was bundled with the Ryzen 7 2700X. The first of the 2000 series of Ryzen Threadripper products, introducing Precision Boost Overdrive technology,[28] followed in August.

Model Release Date
& Price
Fab Cores/FPUs
(threads)
Clock rate (GHz) Cache[a] Socket PCIe
lanes[b]
Memory
support
TDP Stock Cooler (box)[c] Box Number[d]
Base PB2 L1 L2 L3
Entry-level
Ryzen 3 2300X[110][111] September 11, 2018
OEM
12nm 4 (4) 3.5 4.0 64 KiB inst.
32 KiB data
per core
512 KiB
per core
8 MiB AM4 24 DDR4-2933
dual-channel
65 W N/A
Mainstream
Ryzen 5 2500X[110][111] September 11, 2018
OEM
12nm 4 (8) 3.6 4.0 64 KiB inst.
32 KiB data
per core
512 KiB
per core
8 MiB AM4 24 DDR4-2933
dual-channel
65W N/A
Ryzen 5 2600E[110] September 11, 2018
OEM
6 (12) 3.1 4.0 16 MiB DDR4-2666
dual-channel[112]
45 W
Ryzen 5 1600 (refresh)[113][114] October 11, 2019

US $85

3.2 3.6 DDR4-2933
dual-channel
65W Wraith Stealth YD1600BBAFBOX
Ryzen 5 2600[e][116][117] April 19, 2018
US $199
3.4 3.9
Ryzen 5 2600X[116][117] April 19, 2018
US $229
3.6 4.2 95 W Wraith Spire YD260XBCAFBOX
Ryzen 7 2600X MAX November 23, 2018
UK £221.99
Wraith Max YD260XBCAFMAX
Performance
Ryzen 7 2700E[110] September 11, 2018
OEM
12nm 8 (16) 2.8 4.0 64 KiB inst.
32 KiB data
per core
512 KiB
per core
16 MiB AM4 24 DDR4-2666
dual-channel[118]
45 W N/A
Ryzen 7 2700[e][116][117] April 19, 2018
US $299
3.2 4.1 DDR4-2933
dual-channel
65 W Wraith Spire RGB YD2700BBAFBOX
Ryzen 7 2700 MAX November 23, 2018
UK £285.49
Wraith Max YD2700BBAFMAX
Ryzen 7 PRO 2700X[e] September 6, 2018
OEM
3.6 4.1 105 W N/A
Ryzen 7 2700X[116][117] April 19, 2018
US $329
3.7 4.3 Wraith Prism
High-end desktop (HEDT)
Ryzen Threadripper 2920X[119][120] October 2018
US $649
12nm 12 (24) 3.5 4.3 64 KiB inst.
32 KiB data
per core
512 KiB
per core
32 MiB TR4 64 DDR4-2933
quad-channel
180 W N/A
Ryzen Threadripper 2950X[119][120] August 31, 2018
US $899
16 (32) 3.5 4.4
Ryzen Threadripper 2970WX[119][120] October 2018
US $1299
24 (48) 3.0 4.2 64 MiB 250 W
Ryzen Threadripper 2990WX[119][120] August 13, 2018
US $1799
32 (64) 3.0 4.2
  1. ^ AMD in its technical documentation uses KB, which it defines as Kilobyte and as equal to 1024 bytes, and MB, which it defines as Megabyte and as equal to 1024 KB.[30]
  2. ^ PCIe lane count includes 4 lanes used for connectivity to the chipset.[109]
  3. ^ A box without cooler might also be available (WOF).
  4. ^ With cooler if available.
  5. ^ a b c Model also available as PRO variant for OEMs, which may offer additional features not listed in this table. PRO models were released by AMD on September 6, 2018.[115]

APUs[edit]

Picasso[edit]

Picasso is the 12nm refresh of Raven Ridge, offering a modest increase in clock speeds (up to an additional 300MHz maximum boost), Precision Boost 2, an up to 3% increase in IPC from the move to the Zen+ core with its reduced cache and memory latencies, and newly added solder thermal interface material for the desktop parts.[121]

Mobile[edit]

In 2019, AMD only launched quad core parts. Some dual-core Zen chips were branded as 300 or 3000.

Model Release
date
Fab CPU GPU Memory support TDP Part number
Cores/FPUs
(threads)
Clock rate (GHz) Cache[a] Model Config[b] Clock Processing
power
(GFLOPS)[c]
Base Boost L1 L2 L3
Ryzen 3 3300U[122] January 6, 2019 12nm 4 (4) 2.1 3.5 64 KiB inst.
32 KiB data
per core
512 KiB
per core
4 MiB Vega 6 384:24:8
6 CU[123]
1200 MHz 921.6 DDR4-2400
dual-channel
15 W YM3300C4T4MFG
Ryzen 5 3500U[124] 4 (8) 3.7 Vega 8 512:32:16
8 CU[125]
1228.8 YM3500C4T4MFG
Ryzen 5 3550H[126] 35 W YM3500C4T4MFG
Ryzen 5 3580U[127] October 2019 Vega 9 576:36:16
9 CU
1300 MHz 1497.6 15 W
Ryzen 7 3700U[128] January 6, 2019 2.3 4.0 Vega 10 640:40:16
10 CU[129]
1400 MHz 1792.0 YM3700C4T4MFG
Ryzen 7 3750H[130] 35 W YM3700C4T4MFG
Ryzen 7 3780U[131] October 2019 Vega 11 704:44:16
11 CU
1971.2 15 W
  1. ^ AMD in its technical documentation uses KB, which it defines as Kilobyte and as equal to 1024 bytes, and MB, which it defines as Megabyte and as equal to 1024 KB.[30]
  2. ^ Unified Shaders : Texture Mapping Units : Render Output Units and Compute Units (CU)
  3. ^ Single precision performance is calculated from the base (or boost) core clock speed based on a FMA operation.
Desktop[edit]
Model Release Date
& Price
Fab CPU GPU Memory
support
TDP Stock Cooler (box)[a]
Cores/FPUs
(threads)
Clock rate (GHz) Cache[b] Model Config[c] Clock Processing
power
(GFLOPS)[d]
Base Boost L1 L2 L3
Athlon Pro 300GE[132] September 30, 2019 12nm 2 (4) 3.4 N/A 64 KiB inst.
32 KiB data
per core
512 KiB
per core
4 MiB RX Vega 3 192:12:4
3 CU
1100 MHz 424.4 DDR4-2667
dual-channel
35 W N/A
Ryzen 3 Pro 3200GE[132] 4 (4) 3.3 3.8 RX Vega 8 512:32:16
8 CU
1200 MHz 1228.8 DDR4-2933
dual-channel
Ryzen 3 3200G[121] July 7, 2019
US $99
3.6 4.0 1250 MHz 1280 65 W Wraith Stealth
Ryzen 3 Pro 3200G[132] September 30, 2019 N/A
Ryzen 5 Pro 3400GE[132] 4 (8) 3.3 4.0 RX Vega 11 704:44:16
11 CU
1300 MHz 1830.4 35 W
Ryzen 5 3400G[121] July 7, 2019
US $149
3.7 4.2 1400 MHz 1971.2 65 W Wraith Spire v2
Ryzen 5 Pro 3400G[132] September 30, 2019 N/A
  1. ^ A box without cooler might also be available (WOF).
  2. ^ AMD in its technical documentation uses KB, which it defines as Kilobyte and as equal to 1024 bytes, and MB, which it defines as Megabyte and as equal to 1024 KB.[30]
  3. ^ Unified Shaders : Texture Mapping Units : Render Output Units and Compute Units (CU)
  4. ^ Single-precision performance is calculated from the base (or boost) core clock speed based on a FMA operation.


Zen 2 microarchitecture[edit]

CPUs: Matisse (Ryzen) and Castle Peak (Ryzen Threadripper)[edit]

On May 27, 2019, AMD launched its third generation of Ryzen processors using its chiplet-based Zen 2 architecture at Computex in Taipei. The chiplet design separates the CPU cores, fabricated on TSMC's 7nm process, and the I/O, fabricated on GlobalFoundries' 12nm process, and connects them via Infinity Fabric.[133] The Ryzen 3000 series uses the same AM4 socket as earlier models and is the first CPU to offer PCIe version 4 connectivity.[134] The new architecture offers a 15% instruction-per-clock (IPC) uplift and a reduction in energy usage. Other improvements include a doubling of the L3 cache size, a re-optimized L1 instruction cache, a larger op. cache, double the floating point performance, improved branch prediction, and better instruction pre-fetching.[133] The six-, eight- and 12-core SKUs became generally available on July 7, 2019. On September 20, 2019 AMD announced that third generation Ryzen Threadripper processors with core counts starting at 24 would be launched in November.[135]

Model Release Date
& Price
Fab Cores/FPUs
(threads)
Clock rate (GHz) Cache[a] Socket PCIe
lanes
Memory
support
TDP Stock Cooler (box)[b]
Base Boost L1 L2 L3
Mainstream
Ryzen 5 3500 November 15, 2019
OEM
7nm 6 (6) 3.6 4.1 32 KiB inst.
32 KiB data
per core
512 KiB
per core
16 MiB AM4 24 DDR4-3200
dual-channel
65 W N/A
Ryzen 5 3500X[136] October 8, 2019
China ¥1099
32 MiB Wraith Stealth
Ryzen 5 3600 July 7, 2019
US $199
6 (12) 3.6 4.2
Ryzen 5 Pro 3600[137] September 30, 2019
OEM
N/A
Ryzen 5 3600X July 7, 2019
US $249
3.8 4.4 95 W Wraith Spire v2
Performance
Ryzen 7 Pro 3700[137] September 30, 2019
OEM
7nm 8 (16) 3.6 4.4 32 KiB inst.
32 KiB data
per core
512 KiB
per core
32 MiB AM4 24 DDR4-3200
dual-channel
65 W N/A
Ryzen 7 3700X July 7, 2019
US $329
Wraith Prism
Ryzen 7 3800X July 7, 2019
US $399
3.9 4.5 105 W
Enthusiast
Ryzen 9 3900[136] October 8, 2019
OEM
7nm 12 (24) 3.1 4.3 32 KiB inst.
32 KiB data
per core
512 KiB
per core
64 MiB AM4 24 DDR4-3200
dual-channel
65 W N/A
Ryzen 9 Pro 3900[137] September 30, 2019
OEM
Ryzen 9 3900X July 7, 2019
US $499
3.8 4.6 105 W Wraith Prism
Ryzen 9 3950X[138] November 25, 2019
US $749
16 (32) 3.5 4.7 N/A
High End Desktop
Ryzen Threadripper 3960X[138] November 25, 2019
US $1399
7nm 24 (48) 3.8 4.5 32 KiB inst.
32 KiB data
per core
512 KiB
per core
128 MiB sTRX4 64 DDR4-3200
quad-channel
280 W N/A
Ryzen Threadripper 3970X[138] November 25, 2019
US $1999
32 (64) 3.7 4.5
Ryzen Threadripper 3990X[139] February 7, 2020
US $3990
64 (128) 2.9 4.3 256 MiB 88
  1. ^ AMD in its technical documentation uses KB, which it defines as Kilobyte and as equal to 1024 bytes, and MB, which it defines as Megabyte and as equal to 1024 KB.[30]
  2. ^ A box without cooler might also be available (WOF).

The six- and eight-core processors have one core chiplet, while above this, the parts have two core chiplets. In all cases the I/O die is the same.[133]

APUs[edit]

Renoir[edit]
Mobile[edit]
Model Release
date
Fab CPU GPU Memory support TDP Part number
Cores/FPUs
(threads)
Clock rate (GHz) Cache[a] Model Config[b] Clock Processing
power
(GFLOPS)[c]
Base Boost L1 L2 L3
Ryzen 3 4300U[143] Q1 2020 7nm 4 (4) 2.7 3.7 32 KiB inst.
32 KiB data
per core
512 KiB
per core
4 MiB 320:?:?
5 CU
1400 MHz 896 DDR4-3200

LPDDR4-4266

dual-channel

15 W
Ryzen 5 4500U[144] 6 (6) 2.3 4.0 8 MiB 384:?:?
6 CU
1500 MHz 1152
Ryzen 5 4600U[145] 6 (12) 2.1
Ryzen 5 4600H[146] 3.0 45 W
Ryzen 7 4700U[147] 8 (8) 2.0 4.1 448:?:?
7 CU
1600 MHz 1433.6 15 W
Ryzen 7 4800U[148] 8 (16) 1.8 4.2 512:?:?
8 CU
1750 MHz 1792
Ryzen 7 4800H[149] 2.9 448:?:?
7 CU
1600 MHz 1433.6 45 W
  1. ^ AMD in its technical documentation uses KB, which it defines as Kilobyte and as equal to 1024 bytes, and MB, which it defines as Megabyte and as equal to 1024 KB.[30]
  2. ^ Unified Shaders : Texture Mapping Units : Render Output Units and Compute Units (CU)
  3. ^ Single precision performance is calculated from the base (or boost) core clock speed based on a FMA operation.


Initial reception[edit]

The first Ryzen 7 (1700, 1700X, and 1800X) processors debuted in early March 2017 and were generally well received by hardware reviewers.[150][151][152] Ryzen was the first brand new architecture from AMD in five years, and without very much initial fine-tuning or optimization, it ran generally well for reviewers.[153] Initial Ryzen chips ran well with software and games already on the market, performing exceptionally well in workstation scenarios, and well in most gaming scenarios. Compared to Piledriver-powered FX chips, Zen-powered Ryzen chips ran cooler, much faster, and used less power. IPC uplift was eventually gauged to be 52% higher than Excavator, which was two full generations ahead of the architecture still being used in AMD's FX-series desktop predecessors like the FX-8350 and FX-8370.[1] Though Zen fell short of Intel's Kaby Lake in terms of IPC, and therefore single-threaded throughput, it compensated by offering more cores to applications that can use them. Power consumption and heat were found to be highly competitive with Intel, and the included Wraith coolers were generally competitive with higher-priced aftermarket solutions.

Ryzen 1800X's multi-threaded performance, in some cases while using Blender or other open-source software, was around four times the performance of the FX-8370, or nearly double that of the i7 7700K.[154] One reviewer found that Ryzen chips would typically outperform competing Intel i7 processors for a fraction of the price when all eight cores were utilized.[154]

One complaint among a subset of reviewers, however, was that Ryzen processors fell behind their Intel counterparts when running older games, or running certain newer games at mainstream resolutions such as 720p or 1080p.[155] AMD acknowledged the gaming performance deficit at low resolutions during a Reddit "Ask Me Anything" thread, where it explained that updates and patches were being developed.[156] Subsequent updates to Ashes of the Singularity: Escalation and Rise of the Tomb Raider increased frame rates by 17 to 31% on Ryzen systems.[157][158] Publisher id Software announced in April 2017 it would optimize its future games to make use of the greater parallelism available on Ryzen CPUs.[159]

It has been suggested that low threaded applications often result in Ryzen processors being underutilized, producing lower than expected benchmark scores, due to the fact that Zen relies on its core count to make up for its lower IPC rating than that of Kaby Lake.[160][161][162] However, AMD and others have argued thread scheduling is not the fundamental issue to Windows 10 performance.[163][164] Early AM4 motherboards were also hindered by BIOS bugs and poor DDR4 memory support.[citation needed]

Operating system support[edit]

Windows[edit]

AMD verified that computers with Ryzen CPUs can boot Windows 7 and Windows 8 but on newer hardware, including AMD Ryzen and Intel Kaby Lake and later, Microsoft only officially supports the use of Windows 10. Windows Update blocks updates from being installed on newer systems running older versions of Windows, though that restriction can be circumvented with an unofficial patch.[165]

Although AMD initially announced that Ryzen chipset drivers would not be provided for Windows 7,[166] its chipset driver packages do in fact list and include them.[167]

Linux[edit]

The full performance of Ryzen processors is available with Linux kernel version 4.10 or newer.[168]

Known issues[edit]

Spectre[edit]

Like nearly all modern high performance microprocessors, Ryzen was susceptible to the "Spectre" vulnerabilities. The vulnerabilities can be mitigated without hardware changes via microcode updates and operating system workarounds, but the mitigations incur a performance penalty.[169] AMD Ryzen and Epyc suffer a zero to 9% penalty from the mitigations, depending on workload, comparing favorably with a penalty of in some cases more than 50% for Intel Core and Xeon processors,[170][171] in part as a result of the AMD processors not requiring mitigation against the related Meltdown vulnerability.[172]

Launched in 2019, Zen 2 includes hardware mitigations against the Spectre V4 speculative store bypass vulnerability.[133][173]

Segmentation fault[edit]

Some early shipments of Ryzen 1000 series processors produced segmentation faults on certain workloads on Linux, especially while compiling code with GCC.[174] AMD offered to replace the affected processors with newer ones that are not affected by the problem.[175]

Alleged issues by CTS Labs[edit]

In early 2018, an Israeli cyber-security consultancy firm called CTS Labs stated that they had discovered several major flaws in the Ryzen components ecosystem,[176] publicly disclosing them after giving AMD 24 hours to respond and raising concerns and questions regarding their legitimacy,[177][178] though they were later confirmed by two separate security firms.[179] AMD has since stated that while the flaws are real and would be fixed via microcode updates, they were severely overplayed as physical access to the hardware is required to exploit them.[180]

See also[edit]

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