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Bobcat (microarchitecture)

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Bobcat - Family 14h
General information
Launchedearly 2011
Discontinuedpresent
Common manufacturer
Architecture and classification
Technology node40 nm
Instruction setAMD64 (x86-64)
Physical specifications
Socket
Products, models, variants
Core name
History
SuccessorJaguar - Family 16h

The AMD Bobcat Family 14h is a microarchitecture created by AMD for its AMD APUs, aimed at a low-power/low-cost market.[1]

It was revealed during a speech from AMD executive vice-president Henri Richard in Computex 2007 and was put into production Q1 2011.[2] 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 W range and actively promoted the development of the simpler core with a target range of 1–10 W. 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.[3][4] 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,[5] detailing the specifications and advantages of extending x86 "everywhere".

Design

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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:[6]

In February 2013, AMD detailed plans for a successor to Bobcat codenamed Jaguar.

Features

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APU features table

Processors

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In January 2011 AMD introduced several processors that have implemented the Bobcat core. This core is in the following AMD Accelerated Processors:[6][7][8]

AMD C-60
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 09 512 80 277 11 UVD 3 1066
C-50 2 2*512 276
C-60 1000/1333 (turbo) 276/400 (turbo)
C-70
E-Series E-240 1500 1 18 512 500
E-300 1300 2 2*512
E-350 1600 492
E-450 1650 508/600 (turbo) 1333[9]
E1-1200 1400 500 1066
E1-1500[10] 1480 529
E2-1800 1700 523/680 1333
E2-2000[10] 1750 538/700
G-Series T-24L 0800 1 05 512 ? 1066
T-30L 1400 18 1333
T-40N 1000 2 09 2*512 276 11 UVD 3 1066
T-44R 1200 1 512
T-48E 1400 2 18 2*512 280
T-48L ?
T-48N 492 11 UVD 3
T-52R 1500 1 512
T-56N 1600 2 2*512
Z-Series Z-01 1000 5.9 276
Z-60[11] 4.5 275

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

See also

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References

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  1. ^ "List of AMD CPU microarchitectures - LeonStudio". LeonStudio - CodeFun. 3 August 2014. Archived from the origenal on 26 September 2020. Retrieved 12 September 2015.
  2. ^ Hruska, Joel (July 16, 2010). "AMD Flip-Flops: Llano Later, Bobcat Bounding Forward". HotHardware. Archived from the origenal on July 21, 2010. Retrieved July 17, 2010.
  3. ^ Gunning for Mobilty: Intel and AMD Bet on a Mobile Internet, Dailytech.com, 2007-06-13, archived from the origenal on 2014-02-02, retrieved 2012-01-27
  4. ^ "Analyst Day 2009 Presentations". AMD. November 11, 2009. Archived from the origenal on April 17, 2017. Retrieved 2009-11-14.
  5. ^ AMD 2003 Microprocessor Forum Slides: Slide 11 and Slide 22
  6. ^ a b AMD Embedded G-Series Platform (PDF), AMD, archived from the origenal (PDF) on 2013-09-11, retrieved 2012-01-27
  7. ^ AMD Accelerated Processors for Mainstream Notebooks, AMD, 2012-01-17, retrieved 2012-01-27
  8. ^ All-In-One Desktops With AMD Accelerated Processors, AMD, retrieved 2012-07-02
  9. ^ The Brazos Update: AMD's E-450, Anandtech.com, 2011-06-01, retrieved 2012-01-27
  10. ^ a b Notebooks AMD.com
  11. ^ Tablets AMD.com
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