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Bobcat (microarchitecture)

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Bobcat
General information
Launchedearly 2011
Discontinuedpresent
Common manufacturer
Architecture and classification
Technology node40 nm
Instruction setAMD64
Physical specifications
Socket
Products, models, variants
Core name
History
SuccessorJaguar

Bobcat is a microarchitecture created by AMD aimed at low-power/low-cost market.

It was revealed during a speech from AMD executive vice-president Henri Richard in Computex 2007 and was put into production Q1 2011.[1] One of the major supporters was executive vice-president Mario A. Rivas who felt it was difficult to compete in the x86 market with a single core optimized for the 10-100 Watts range and actively promoted the development of the simpler core with a target range of 1-10 Watts. In addition, it was believed that the core could migrate into the hand-held space if the power consumption can be reduced to less than 1 W.

Bobcat cores are used together with GPU cores in accelerated processing units (APUs) under the "Fusion" brand.[2][3] A simplified architecture diagram was released at AMD's Analyst Day in November 2009. This is similar in concept with earlier AMD research in 2003,[4] detailing the specifications and advantages of extending x86 "everywhere".

Design

The Bobcat x86 CPU core design has since been completed and implemented in AMD APU processor products with a TDP of 18 W or less. The core is targeted at low-power markets like netbooks/nettops, ultra-portable laptops, consumer electronics and the embedded market. Since its launch, Bobcat-based CPUs have also been used by OEMs on larger laptops. Architecture specifics:[5]

Jaguar core

In February 2013, AMD detailed plans for a successor to Bobcat codenamed: Jaguar. Jaguar based CPUs will feature up to four low power cores.[6] A special eight Jaguar core CPU is planned to power the Sony PlayStation 4 and the Xbox One.[7]

Available processors

In January 2011 AMD introduced several processors that have implemented the Bobcat core. This core is in the following AMD Accelerated Processors:[5][8][9]

Series ^ Model CPU clock
(MHz)		 CPU
cores		 TDP
(W)		 L2 cache
(KiB)		 Radeon
cores		 GPU clock
(MHz)		 DirectX
version		 UVD DDR3 speed
C-Series C-30 1000 1 9 512 80 277 11 UVD 3 1066
C-Series C-50 1000 2 9 1024 80 276 11 UVD 3 1066
C-Series C-60 1000/1333 (turbo) 2 9 1024 80 276/400 (turbo) 11 UVD 3 1066
C-Series C-70 1000/1333 (turbo) 2 9 1024 80 276/400 (turbo) 11 UVD 3 1066
E-Series E-240 1500 1 18 512 80 500 11 UVD 3 1066
E-Series E-300 1300 2 18 1024 80 500 11 UVD 3 1066
E-Series E-350 1600 2 18 1024 80 492 11 UVD 3 1066
E-Series E-450 1650 2 18 1024 80 508/600 (turbo) 11 UVD 3 1333[10]
E-Series E1-1200 1400 2 18 1024 80 500 11 UVD 3 1066
E-Series E1-1500[11] 1480 2 18 1024 80 529 11 UVD 3 1066
E-Series E2-1800 1700 2 18 1024 80 523/680 11 UVD 3 1333
E-Series E2-2000[11] 1750 2 18 1024 80 538/700 11 UVD 3 1333
G-Series T-24L 0800 1 5 512 80 ? ? ? 1066
G-Series T-30L 1400 1 18 512 80 ? ? ? 1333
G-Series T-40N 1000 2 9 1024 80 276 11 UVD 3 1066
G-Series T-44R 1200 1 9 512 80 276 11 UVD 3 1066
G-Series T-48L 1400 2 18 1024 80 ? ? ? 1066
G-Series T-48N 1400 2 18 1024 80 492 11 UVD 3 1066
G-Series T-52R 1500 1 18 512 80 492 11 UVD 3 1066
G-Series T-56N 1600 2 18 1024 80 492 11 UVD 3 1066
Z-Series Z-01 1000 2 5.9 1024 80 276 11 UVD 3 1066
Z-Series Z-60[12] 1000 2 4.5 1024 80 275 11 UVD 3 1066

^ E-Series & C-Series are standard parts, G-Series are embedded parts

See also

References

  1. ^ Hruska, Joel (July 16, 2010). "AMD Flip-Flops: Llano Later, Bobcat Bounding Forward". HotHardware.
  2. ^ Gunning for Mobilty: Intel and AMD Bet on a Mobile Internet, Dailytech.com, 2007-06-13, retrieved 2012-01-27
  3. ^ "Analyst Day 2009 Presentations". AMD. November 11, 2009. Retrieved 2009-11-14.
  4. ^ AMD 2003 Microprocessor Forum Slides: Slide 11 and Slide 22
  5. ^ a b AMD Embedded G-Series Platform (PDF), AMD, retrieved 2012-01-27
  6. ^ http://www.techpowerup.com/180394/AMD-quot-Jaguar-quot-Micro-architecture-Takes-the-Fight-to-Atom-with-AVX-SSE4-Quad-Core.html
  7. ^ http://www.engadget.com/2013/02/20/sony-details-playstation-4-specs-8-core-amd-jaguar-cpu-8x-bl/
  8. ^ AMD Accelerated Processors for Mainstream Notebooks, AMD, 2012-01-17, retrieved 2012-01-27
  9. ^ All-In-One Desktops With AMD Accelerated Processors, AMD, retrieved 2012-07-02
  10. ^ The Brazos Update: AMD's E-450, Anandtech.com, 2011-06-01, retrieved 2012-01-27
  11. ^ a b http://www.amd.com/us/products/notebook/pages/consumer-notebooks.aspx#7
  12. ^ http://www.amd.com/us/products/notebook/tablets/Pages/tablets.aspx#3
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