Piledriver (microarchitecture)

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Piledriver
Produced From mid-2012 to present
Common manufacturer(s)
Min. feature size 32 nm SOI GB
Instruction set AMD64
Predecessor Bulldozer
Successor Steamroller
Socket(s)
Core name(s)

Piledriver is a microarchitecture developed by AMD as the successor to Bulldozer. It primarily targets the desktop, mobile, and server markets.

The changes over Bulldozer are largely incremental. Piledriver uses the same 'module' design with main improvements to branch prediction and FPU/integer scheduling, along with a switch to hard edge flip-flops to improve power consumption. In practice this resulted in clock speed gains of 8–10% and a performance increase of around 15% with similar power characteristics.[1] FX-9590 is around 30%-35% faster than Bulldozer-based FX-8150 mostly because of a much higher clock speed.

Products based upon Piledriver were first released on 15 May 2012 with the AMD Accelerated Processing Unit (APU) code-named Trinity series of mobile products.[2] APUs aimed at desktops followed in early October 2012 with Piledriver-based FX-series CPUs released later in the month.[3][4] Opteron server processors based upon Piledriver were announced in early December 2012.[5]

Design[edit]

Piledriver includes improvements over the original Bulldozer microarchitecture:[6][7]

Processors[edit]

Desktop[edit]

Model CPU GPU TDP Memory Turbo Core Socket
Modules
(Cores)
Frequency Max. Turbo L2 Cache L3 Cache Model Config Freq.
FX-9590 4 (8) 4.7 GHz 5.0 GHz 4 × 2 MB 8 MB N/A 220 W DDR3-2133 Yes (3.0) AM3+
FX-9370 4.4 GHz 4.7 GHz DDR3-1866
FX-8350 4.0 GHz 4.2 GHz 125 W
FX-8320 3.5 GHz 4.0 GHz
FX-8300 3.3 GHz 4.2 GHz 095 W
FX-6350 3 (6) 3.9 GHz 4.2 GHz 3 × 2 MB 125 W
FX-6300 3.5 GHz 4.1 GHz 095 W
FX-4350 2 (4) 4.2 GHz 4.3 GHz 2 × 2 MB 125 W
FX-4320 4.0 GHz 4.2 GHz 4 MB 095 W
FX-4300 3.8 GHz 4.0 GHz
A10-6800K 4.1 GHz 4.4 GHz N/A HD 8670D 384:24:8 844 MHz 100 W DDR3-2133 FM2
A10-6700 3.7 GHz 4.3 GHz 065 W DDR3-1866
A10-5800K 3.8 GHz 4.2 GHz HD 7660D 800 MHz 100 W
A10-5700 3.4 GHz 4.0 GHz 760 MHz 065 W
A8-6600K 3.9 GHz 4.2 GHz HD 8570D 256:16:8 844 MHz 100 W
A8-6500 3.5 GHz 4.1 GHz 800 MHz 065 W
A8-5600K 3.6 GHz 3.9 GHz HD 7560D 760 MHz 100 W
A8-5500 3.3 GHz 3.7 GHz 065 W
A6-6400K 1 (2) 3.9 GHz 4.1 GHz 1 MB HD 8470D 192:12:4 800 MHz
A6-5400K 3.6 GHz 3.8 GHz HD 7540D 760 MHz
A4-5300 3.4 GHz 3.6 GHz HD 7480D 128:8:4 723 MHz DDR-1600
A4-4000 3.0 GHz 3.2 GHz DDR-1333

The K suffix denotes an unlocked A-series processor. All FX-series processors are unlocked unless otherwise specified.

Mobile[edit]

Model CPU GPU TDP Memory Socket
Modules
(Cores)
Frequency Max. Turbo L2 Cache Model Config Freq. Turbo
A10-5750M 2 (4) 2.5 GHz 3.5 GHz 2 × 2 MB HD 8650G 384:24:8 533 MHz 720 MHz 35 W DDR3-1866 FS1r2
A10-4600M 2.3 GHz 3.2 GHz HD 7660G 496 MHz 685 MHz
A8-5550M 2.1 GHz 3.1 GHz HD 8550G 256:16:8 554 MHz 720 MHz
A8-4500M 1.9 GHz 2.8 GHz HD 7640G 496 MHz 685 MHz
A6-5350M 1 (2) 2.9 GHz 3.5 GHz 1 MB HD 8450G 192:12:4 533 MHz 720 MHz DDR3-1600
A6-4400M 2.7 GHz 3.2 GHz HD 7520G 496 MHz 685 MHz
A4-5150M 3.3 GHz HD 8350G 128:8:4 514 MHz 720 MHz
A4-4300M 2.5 GHz 3.0 GHz HD 7420G 480 MHz 655 MHz
A10-5757M 2 (4) 2.5 GHz 3.5 GHz 2 × 2 MB HD 8650G 384:24:8 533 MHz 720 MHz 35 W DDR3-1600 FP2(BGA)
A10-5745M 2.1 GHz 2.9 GHz HD 8610G 533 MHz 626 MHz 25 W DDR3-1333
A10-4655M 2.0 GHz 2.8 GHz HD 7620G 360 MHz 496 MHz
A8-5557M 2.1 GHz 3.1 GHz HD 8550G 515 MHz 720 MHz 35 W DDR3-1600
A8-5545M 1.7 GHz 2.7 GHz HD 8510G 450 MHz 554 MHz 19 W DDR3-1333
A8-4555M 1.6 GHz 2.4 GHz HD 7600G 320 MHz 424 MHz
A6-5357M 1 (2) 2.9 GHz 3.5 GHz 1 MB HD 8450G 192:12:4 533 MHz 720  MHz 35 W DDR3-1600
A6-5345M 2.2 GHz 2.8 GHz HD 8410G 450 MHz 600 MHz 17 W DDR3-1333
A6-4455M 2.1 GHz 2.6 GHz HD 7500G 256:16:8 327 MHz 424 MHz
A4-5145M 2.0 GHz HD 8310G 192:12:4 424 MHz 544 MHz
A4-4355M 1.9 GHz 2.4 GHz HD 7400G 327 MHz 424 MHz

History[edit]

Komodo platform[edit]

Originally leaked Roadmaps showed Piledriver CPUs featuring up to ten cores as part of the Komodo platform to launch in 2012 on the FM2 socket but this was never released. AMD kept the AM3+ socket for the FX series and put the Piledriver-based APUs on FM2.[11]

FX-series, Athlon and Opteron[edit]

AMD Financial Analyst Day 2010[12] revealed the 2nd generation was scheduled for 2012; AMD referred to this generation as Enhanced Bulldozer. This later generation of Bulldozer core is codenamed Piledriver.

  • Vishera FX-series CPU - Desktop Performance market (Volan platform):[13] This FX-series aimed at 95-220 W TDP features 4, 6 and 8 Piledriver core CPU models; with Turbo Core 3.0 while using the existing Socket AM3+ format and 900 series motherboard chipsets of the 1st generation FX-series Zambezi processor. The 2nd generation FX-series was released on 23 October 2012 with the FX-8350, FX-8320, FX-6300 and FX-4300 CPU models. The FX-8350 featured slightly improved power consumption and was found to be approximately 15% more powerful than the fastest Bulldozer CPU. The 2nd generation FX-series was praised for its affordability. The FX 8320 especially was recognized as a performance/$ winner, often matching Intel's i7 2600 at half the cost.[14][15] The Vishera CPUs were found to compete very well when compared to similarly priced Intel Ivy Bridge CPUs in multi-core-aware applications and somewhat underperform in overall efficiency and in tasks where most CPU cores were not fully utilized such as single-threaded applications and a number of games.[16][17]

On June 11, 2013, AMD announced two additional FX-series eight Piledriver core CPUs, the FX-9590 and FX-9370, running at a maximum turbo speed of 5.0 GHz and 4.7 GHz respectively, making AMD the first company to ever release a 5 GHz CPU commercially.[18]

  • Trinity & Richland Athlon series CPU - Desktop Budget market: Socket FM2 Athlon X4 730, 740, 750K and 760k CPU models feature the four Piledriver core Trinity microarchitecture but lack on-chip integrated graphics. Athlon X2 340 is dual core model.[19][20][21] Socket FM2 Richland based Athlon X4 760K and Athlon X2 370K CPUs, both sans GPU and four and dual cores respectively, are also expected in the coming weeks.[22][23]

For the server market, three versions were known to be under development as described on AMD's 2012 Financial Analyst Day (February 2):[24]

  • Web serving, Web hosting, and Microserver platform (1 CPU) market: Opteron 3200-series (Zurich; 4 or 8 cores) will be replaced by Delhi (4 or 8 cores). This will use the Socket AM3+ format from the Desktop FX-series line. The memory controller will support dual-channel DDR3 memory configuration.
  • Cost-effective, energy efficient server (1 to 2 CPUs) market: Opteron 4200-series (Valencia; 6 or 8 cores) will be replaced by Seoul (6 or 8 cores). Seoul will continue to use the Socket C32 format. The memory controller will support dual-channel DDR3 memory configuration.
  • Enterprise and Mainstream server (2 to 4 CPUs) market: Opteron 6200-series (Interlagos; 4, 8, 12, and 16 cores) will be replaced by Abu Dhabi (4, 8, 12, and 16 cores)). Abu Dhabi will continue to use the Socket G34. The memory controller will support quad-channel DDR3 memory configuration.

APU lines[edit]

  • Trinity A-series APU - Desktop Budget and Mainstream market (Virgo platform):[25] The Stars-based Llano Socket FM1 Fusion APU line replacements are the 2 and 4 Piledriver core Socket FM2 Trinity Fusion APUs. The A10-5800K, A10-5700, A8-5600K, A8-5500, A6-5400K and A4-5300 APU models were released on 2 October 2012.[26] Trinity processor model numbers which end with the letter "K" denote processors with an unlocked CPU multiplier. The Trinity APU line was praised for its superior integrated graphics performance but underperformed comparable Intel CPU models in most computationally intensive tasks.[27]
  • Trinity A-series APU - Notebook Mainstream and Performance market (Comal platform):[25] Notebook computers featuring Trinity APUs shipped as early as June 2012.[28] The mobile Trinity series features four APUs: A10-4600M, A8-4500M, A6-4400M and A4-4300M. In March 2013, AMD announced two more mobile models: A8-4557M and A10-4657M.[29]

AMD Eyefinity support for multi-monitor set-ups.

In January 2013, AMD officially introduced a new series of APUs codenamed Richland.[30] The series features six new APUs in total. The fastest model, the A10-6800K, will feature two Piledriver modules operating at 4.1 GHz and 4.4 GHz in turbo mode and an integrated HD 8670D GPU with 384 stream processors operating at 844 MHz.[31][32] Only the A10-6800K has official DDR3-2133 memory support.[33] The A10-6800K was found to offer approximately 5% performance improvements in performance applications and 3D games over its A10-5800K Trinity based predecessor, largely due to Richland's higher clock speeds and it has higher overclocking potential than Trinity. On March 12, 2013, AMD officially introduced four Richland mobile APUs.[34] On June 4, 2013, AMD officially announced six Richland desktop APUs.[35][36]

Performance[edit]

In January 2012, Microsoft released two hotfixes (2646060 and 2645594) for Windows 7 and Server 2008 R2 that can significantly improve the performance of Clustered Multi-Thread based AMD CPUs by improving thread scheduling under Windows 7.[37][38]

Windows 8 supports CMT-based CPUs out of the box by addressing each core as logical cores and modules as physical cores.

See also[edit]

References[edit]

  1. ^ Hruska, Joel. "AMD’s FX-8350 analyzed: Does Piledriver deliver where Bulldozer fell short?". ExtremeTech. Retrieved 23 March 2013. 
  2. ^ "AMD launches widely anticipated "Trinity" APU". Press release. AMD. 15 May 2012. Retrieved 16 January 2014. 
  3. ^ "New AMD A-Series Processors Bring Faster Speeds, High Core Count and AMD Radeon HD 7000 Series Graphics to Do-It-Yourself PC Enthusiasts and Gamers". AMD. Retrieved 22 March 2013. 
  4. ^ "New AMD FX Line-Up Brings Faster Speeds and Higher Performance Core over Previous Generation to PC Enthusiasts and Gamers". AMD. Retrieved 22 March 2013. 
  5. ^ "New AMD Opteron 4300 and 3300 Series Processors Deliver Ideal Performance, Power and Price for Cloud Applications". Press release. AMD. 4 December 2012. Retrieved 16 January 2014. 
  6. ^ Hruska, Joel. "AMD detonates Trinity: Behold Bulldozer’s second coming". ExtremeTech. Retrieved 22 March 2013. 
  7. ^ Walton, Jarred. "The AMD Trinity Review (A10-4600M): A New Hope". AnandTech. Retrieved 22 March 2013. 
  8. ^ Constantin Murariu (30 April 2012). "AMD Trinity Architectural Preview - Part II". Softpedia. Retrieved 6 January 2014. 
  9. ^ Charlie Demerjian (2012-05-25). "Trinity is more than the sum of its parts". SemiAccurate. Retrieved 2013-10-23. 
  10. ^ Gareth Halfacree (21 February 2012). "AMD packs Cyclos clock tech into Piledriver". Retrieved 21 September 2013. 
  11. ^ "AMD's 10 core Piledriver chips revealed | Tech, Tech News". PC Gamer. 2011-07-26. Retrieved 2013-10-23. 
  12. ^ AMD financial analyst day 2010 press kit, Blogs.amd.com, retrieved 2012-01-23 
  13. ^ AMD Cancels Next-Gen Komodo Processor, Corona Platform in Favour of New Chips, X-bit labs, 2012-01-19, retrieved 2012-01-23 
  14. ^ http://www.cpubenchmark.net/cpu.php?cpu=Intel+Core+i7-2600+%40+3.40GHz
  15. ^ http://www.cpubenchmark.net/cpu.php?cpu=AMD+FX-8320+Eight-Core
  16. ^ Ilya Gavrichenkov (22 October 2012). "AMD FX-8350 Processor Review: Tuned-Up Bulldozer". Retrieved 7 January 2014. 
  17. ^ "AMD FX-8350 - "Piledriver" for AMD Socket AM3+". 23 October 2012. Retrieved 21 September 2013. 
  18. ^ Sharif Sakr (11 June 2013). "AMD wins race to 5GHz CPU clock speed, in which it was the sole participant". Retrieved 21 September 2013. 
  19. ^ AMD Athlon X4 750K - AD750KWOA44HJ / AD750KWOHJBOX
  20. ^ "AMD Athlon X2 340 - AD340XOKA23HJ / AD340XOKHJBOX". Cpu-world.com. Retrieved 2013-10-23. 
  21. ^ AMD Lists Athlon II X4 700-Series Trinity Processors - Softpedia
  22. ^ "AMD Athlon X2 370K - AD370KOKA23HL / AD370KOKHLBOX". Cpu-world.com. Retrieved 2013-10-23. 
  23. ^ "AMD Athlon X4 760K - AD760KWOA44HL / AD760KWOHLBOX". Cpu-world.com. Retrieved 2013-10-23. 
  24. ^ Su, Lisa (2012-02-02). "Consumerization, Cloud, Convergence." (PDF). AMD 2012 Financial Analyst Day. Sunnyvale, California: Advanced Micro Devices. p. 25. Retrieved 2012-02-04. 
  25. ^ a b AMD Trinity core
  26. ^ New AMD A-Series Processors Bring Faster Speeds, High Core Count and AMD Radeon HD 7000 Series Graphics to Do-It-Yourself PC Enthusiasts and Gamers
  27. ^ AMD Trinity for Desktops. Part 2: Socket FM2 Platform and AMD A10-5800K Processor Review - X-bit labs
  28. ^ AMD Trinity On The Desktop: A10, A8, And A6 Get Benchmarked! : Trinity: Coming Soon To A Desktop Near You
  29. ^ AMD lists two new Trinity based mobile APUs
  30. ^ AMD Unveils Innovative New APUs and SoCs that Give Consumers a More Exciting and Immersive Experience
  31. ^ AMD A10-Series A10-6800K - AD680KWOA44HL
  32. ^ More Richland details leak, six parts confirmed
  33. ^ Top Richland 28 nm APU is A10-6800K
  34. ^ AMD intros 35 W Richland mobile APUs - The Tech Report
  35. ^ "AMD A-SERIES APUs: Made for Combat. Ready for War". Sites.amd.com. 2013-10-06. Retrieved 2013-10-23. 
  36. ^ "Specifications of upcoming AMD Richland APUs". Cpu-world.com. Retrieved 2013-10-23. 
  37. ^ An update is available for computers that have an AMD FX, AMD Opteron 4200, AMD Opteron 6200, or AMD Bulldozer series processor installed and that are running Windows 7 or Windows Server 2008 R2, support.microsoft.com, 2012-01, retrieved 2014-02-11 
  38. ^ An update that selectively disables the Core Parking feature in Windows 7 or in Windows Server 2008 R2 is available, support.microsoft.com, 2012-01, retrieved 2014-02-11