AMD Radeon HD 7640G vs Imagination PowerVR SGX543 MP4 A5X Full Specs

Summary

256 Shaders 685MHz	64 Shaders 333MHz
Shared Memory25.6GB/s DDR3·DDR3L	Shared Memory12.8GB/sLPDDR2
Peak·FP32·FP16 350.7 GFLOPS	Peak·FP32·FP16 42.62 GFLOPS
Form Factor iGPU	Form Factor iGPU
TDP Shared	TDP Shared

Theoretical Performance

Clock Speed685MHz UC·Base·Boost·OC	Clock Speed333MHz UC·Boost·OC
Peak OPS 350.7 GFLOPSFP32	Peak OPS 42.62 GFLOPSFP32
FP32 350.7 GFLOPS	FP32 42.62 GFLOPS
Pixel Rate 5.5 GPixel/s	Pixel Rate 2.7 GPixel/s
Texture Rate 11 GTexel/s	Texture Rate 2.7 GTexel/s

Core Config

Shaders 256 Shaders	Shaders 64 Shaders
TMUs 16 TMUs	TMUs 8 TMUs
ROPs 8 ROPs	ROPs 8 ROPs
CUs 4 CUs	EUs 16 EUs

Clocks

Base Clock 496MHz	Base Clock -
Boost Clock 685MHz	Boost Clock 333MHz

Cache

L2 Cache 256KB shared

L2 Cache -

Memory

Shared Memory DDR3·DDR3L	Shared MemoryLPDDR2
Memory Bus 128-bit	Memory Bus 128-bit
Memory Speed 1.6GT/s	Memory Speed 800MT/s
Memory Bandwidth 25.6GB/s	Memory Bandwidth 12.8GB/s
ECC No	ECC No

Video Output

Multi-Monitor 2

Multi-Monitor 1

Decoder

Decoder Model UVD 3.1	-
Codec MPEG-1 MPEG-2 MPEG-4 VC-1 AVC (H.264)	Codec -

Card

Form Factor iGPU

Form Factor iGPU

Chip

Manufacturer AMD	Manufacturer Imagination
Chip Designer AMD	Chip Designer Imagination
Architecture TeraScale 3	Architecture SGX
Family Radeon HD 7000	Family A Series
Branding	Branding
Codename Devastator	Codename Series5XT
Chip Variant -	Chip Variant SGX543
Market Segment Laptop	Market Segment Tablet
Release Date May 1, 2012	Release Date Mar 16, 2012

Fabrication

Foundry GlobalFoundries	Foundry Samsung
Fabrication Node 32nm	Fabrication Node 45nm
Die Size 246mm²	Die Size 165mm²
Transistor Count 1.3 Billion	Transistor Count -
Transistor Density 5 MTr/mm²	Transistor Density -

Images