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

Summary

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

Theoretical Performance

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

Core Config

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

Clocks

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

Cache

L2 Cache -

L2 Cache 256KB shared

Memory

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

Video Output

Multi-Monitor 1

Multi-Monitor 2

Decoder

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

Card

Form Factor iGPU

Form Factor iGPU

Chip

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

Fabrication

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

Images