AMD Radeon HD 7430M vs AMD Radeon HD 7640G Full Specs

Summary

160 Shaders 600MHz	256 Shaders 685MHz
1GB DDR314.4GB/s placeholder	Shared Memory25.6GB/s DDR3·DDR3L
Peak·FP32·FP16 192 GFLOPS	Peak·FP32·FP16 350.7 GFLOPS
Form Factor Soldered	Form Factor iGPU
TDP 7W	TDP Shared

Theoretical Performance

Clock Speed600MHz UC·Boost·OC	Clock Speed685MHz UC·Base·Boost·OC
Peak OPS 192 GFLOPSFP32	Peak OPS 350.7 GFLOPSFP32
FP32 192 GFLOPS	FP32 350.7 GFLOPS
Pixel Rate 2.4 GPixel/s	Pixel Rate 5.5 GPixel/s
Texture Rate 4.8 GTexel/s	Texture Rate 11 GTexel/s

Core Config

Shaders 160 Shaders	Shaders 256 Shaders
TMUs 8 TMUs	TMUs 16 TMUs
ROPs 4 ROPs	ROPs 8 ROPs
CUs 2 CUs	CUs 4 CUs

Clocks

Base Clock -	Base Clock 496MHz
Boost Clock 600MHz	Boost Clock 685MHz

Cache

L2 Cache 128KB shared

L2 Cache 256KB shared

Memory

1GB DDR3 placeholder	Shared Memory DDR3·DDR3L
Memory Bus 64-bit	Memory Bus 128-bit
Memory Speed 1.8GT/s	Memory Speed 1.6GT/s
Memory Bandwidth 14.4GB/s	Memory Bandwidth 25.6GB/s
ECC No	ECC No

Power & Thermals

TDP 7W

TDP Shared

Video Output

Multi-Monitor 2

Multi-Monitor 2

Decoder

Decoder Model UVD 3.0	Decoder Model UVD 3.1
Codec MPEG-1 MPEG-2 MPEG-4 VC-1 AVC (H.264)	Codec MPEG-1 MPEG-2 MPEG-4 VC-1 AVC (H.264)

Card

Form Factor Soldered

Form Factor iGPU

Chip

Manufacturer AMD	Manufacturer AMD
Chip Designer AMD	Chip Designer AMD
Architecture TeraScale 2	Architecture TeraScale 3
Family Radeon HD 7000	Family Radeon HD 7000
Branding	Branding
Codename Caicos	Codename Devastator
Chip Variant Caicos	Chip Variant -
Market Segment Laptop	Market Segment Laptop
Release Date Jan 7, 2012	Release Date May 1, 2012

Fabrication

Foundry TSMC	Foundry GlobalFoundries
Fabrication Node 40nm	Fabrication Node 32nm
Die Size 67mm²	Die Size 246mm²
Transistor Count 370 Million	Transistor Count 1.3 Billion
Transistor Density 5.52 MTr/mm²	Transistor Density 5 MTr/mm²

Images