Puma (microarchitecture)
Produced | From mid-2014 to present |
---|---|
Common manufacturer(s) | |
Max. CPU clock rate | 1.35 GHz to 2.5 GHz |
Min. feature size | 28 nm |
Instruction set | AMD64 (x86-64) |
Cores | 2–4 |
L1 cache | 64 KB per core[1] |
L2 cache | 1 MB to 2 MB shared |
Socket(s) |
|
Predecessor | Jaguar - Family 16h |
GPU | Radeon Rx: 128 cores, 300-800 Mhz |
Core name(s) |
|
Brand name(s) |
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The Puma Family 16h is a low-power microarchitecture by AMD for its APUs. It succeeds the Jaguar as a second-generation version, targets the same market, and belongs to the same AMD architecture Family 16h. The Beema line of processors are aimed at low-power notebooks, and Mullins are targeting the tablet sector.
Contents
Design
The Puma cores use the same microarchitecture as Jaguar, and inherits the design:
- Out-of-order execution and Speculative execution, up to 4 CPU cores
- Puma does not feature clustered multi-thread (CMT), meaning that there are no "modules"
- Two-way integer execution
- Two-way 128-bit wide floating-point and packed integer execution
- Integer hardware divider
- Puma does not feature Heterogeneous System Architecture or zero-copy[2]
- 32 KiB instruction + 32 KiB data L1 cache per core
- 1–2 MiB unified L2 cache shared by two or four cores
- Integrated single channel memory controller supporting 64bit DDR3L
- 3.1 mm2 area per core
Instruction set support
Like Jaguar, the Puma core has support for the following instruction sets and instructions: MMX, SSE, SSE2, SSE3, SSSE3, SSE4a, SSE4.1, SSE4.2, AVX, F16C, CLMUL, AES, BMI1, MOVBE (Move Big-Endian instruction), XSAVE/XSAVEOPT, ABM (POPCNT/LZCNT), and AMD-V.[1]
Features and ASICs
Brand | Llano | Trinity | Richland | Kaveri | Carrizo | Bristol Ridge | Raven Ridge | Desna, Ontario, Zacate |
Kabini, Temash |
Beema, Mullins |
Carrizo-L | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Platform | Desktop, Mobile | Desktop, Mobile | Mobile, Desktop | Desktop, Mobile | Ultra-mobile | |||||||
Released | Aug 2011 | Oct 2012 | Jun 2013 | Jan 2014 | Jun 2015 | Jun 2016 | Mar 2017 | Jan 2011 | May 2013 | Q2 2014 | May 2015 | |
Fab. (nm) | GlobalFoundries 32 SOI | 28 | 14 | TSMC 40 | 28 | |||||||
Die size (mm2) | 228 | 246 | 245 | 244.62 | TBA | TBA | 75 (+ 28 FCH) | ~107 | TBA | |||
Socket | FM1, FS1 | FM2, FS1+, FP2 | FM2+, FP3 | FP4, FM2+ | AM4, FP4 | AM4 | FT1 | AM1, FT3 | FT3b | FP4 | ||
CPU architecture | AMD 10h | Piledriver | Steamroller | Excavator | Zen | Bobcat | Jaguar | Puma | Puma+[3] | |||
Memory support | DDR3-1866 DDR3-1600 DDR3-1333 |
DDR3-2133 DDR3-1866 DDR3-1600 DDR3-1333 |
DDR4-2400 DDR4-2133 DDR4-1866 DDR4-1600 |
DDR3L-1333 DDR3L-1066 |
DDR3L-1866 DDR3L-1600 DDR3L-1333 DDR3L-1066 |
DDR3L-1866 DDR3L-1600 DDR3L-1333 |
||||||
3D engine[lower-alpha 1] | TeraScale 2 (VLIW5) |
TeraScale 3 (VLIW4) |
GCN 1.1 (Mantle, HSA) |
GCN 1.2 (Mantle, HSA) |
GCN 1.3 (Mantle, HSA) |
TeraScale 2 (VLIW5) |
GCN 1.1 | |||||
Up to 400:20:8 | Up to 384:24:6 | Up to 512:32:8 | Up to 768:48:12 | 80:8:4 | 128:8:4 | |||||||
IOMMUv1 | IOMMUv2 | IOMMUv1[4] | TBA | |||||||||
Unified Video Decoder | UVD 3 | UVD 4.2 | UVD 6 | TBA | UVD 3 | UVD 4 | UVD 4.2 | UVD 6 | ||||
Video Coding Engine | N/A | VCE 1.0 | VCE 2.0 | VCE 3.1 | TBA | N/A | VCE 2.0 | VCE 3.1 | ||||
GPU power saving | PowerPlay | PowerTune | N/A | Enduro | ||||||||
Max. displays[lower-alpha 2] | 2–3 | 2–4 | 2–4 | 3 | 4 | TBA | 2 | TBA | ||||
TrueAudio | N/A | ✔[6] | N/A[4] | |||||||||
FreeSync | N/A | ✔ | N/A | |||||||||
/drm/radeon [7][8][9] |
✔ | N/A | ✔ | |||||||||
/drm/amd/amdgpu [10] |
N/A | Experimental | ✔ | N/A | Experimental |
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Improvements over Jaguar
- 19% CPU core leakage reduction at 1.2V[11]
- 38% GPU leakage reduction
- 500 mW reduction in memory controller power
- 200 mW reduction in display interface power
- Chassis temperature aware turbo boost[12]
- Selective boosting according to application needs (intelligent boost)
- Support for ARM TrustZone via integrated Cortex-A5 processor
- Support for DDR3L-1866 memory[13]
Processors
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Desktop/Mobile (Beema)
Family | Model | Socket | CPU | GPU | TDP | Memory | |||||
---|---|---|---|---|---|---|---|---|---|---|---|
Cores | Frequency | Max. Turbo | L2 Cache | Model | Config. | Max. Freq. | |||||
A8 | 6410 | Socket FT3b | 4 | 2.0 | GHz2.4 GHz | 2 MB | Radeon R5 | 128:?:? | 800 MHz | 15 W | DDR3L-1866 |
A6 | 6310 | 1.8 | GHzRadeon R4 | 800 MHz | |||||||
A4 | 6250J | 2.0 | GHzN/A | Radeon R3 | 600 MHz | 25 W | DDR3L-1600 | ||||
A4 | 6210 | 1.8 | GHzRadeon R3 | 600 MHz | 15 W | ||||||
E2 | 6110 | 1.5 | GHzRadeon R2 | 500 MHz | |||||||
E1 | 6010 | 2 | 1.35 GHz | 1 MB | 350 MHz | 10 W | DDR3L-1333 |
Tablet (Mullins)
Family | Model | CPU | GPU | Power | Memory | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Cores | Frequency | Max. Turbo | L2 Cache | Model | Config. | Max. Freq. | TDP | SDP | |||
A10 Micro | 6700T | 4 | 1.2 GHz | 2.2 GHz | 2 MB | Radeon R6 | 128:?:? | 500 MHz | 4.5 W | 2.8 W | DDR3L-1333 |
A6 Micro | 6500T | 1.8 GHz | Radeon R4 | 401 MHz | |||||||
A4 Micro | 6400T | 1.0 GHz | 1.6 GHz | Radeon R3 | 350 MHz | ||||||
E1 Micro | 6200T | 2 | 1.4 GHz | 1 MB | Radeon R2 | 300 MHz | 3.95 W | DDR3L-1066 |
References
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External links
- Software Optimization Guide for Family 16h Processors
- 2014 AMD Low-Power Mobile APUs
- Jaguar presentation (video) at ISSCC 2013
- Discussion initiated on RWT forums by Jeff Rupley, Chief Architect of the Jaguar core
- BKDG for Family 16h Models 00h-0Fh Processors
- Revision Guide for Family 16h Models 00h-0Fh Processors
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