AMD Radeon HD 7640G vs AMD Radeon HD 6480G+ Full Specs
256 Shaders 685MHz | 240 Shaders 593MHz |
Shared Memory25.6GB/s · | Shared Memory21.3GB/s · |
·· 350.7 GFLOPS | ·· 284.6 GFLOPS |
Form Factor iGPU | Form Factor iGPU |
TDP Shared | TDP 35W |
Clock Speed ··· | Clock Speed ·· |
Peak OPS 350.7 GFLOPSFP32 | Peak OPS 284.6 GFLOPSFP32 |
FP32 350.7 GFLOPS | FP32 284.6 GFLOPS |
Pixel Rate 5.5 GPixel/s | Pixel Rate 2.4 GPixel/s |
Texture Rate 11 GTexel/s | Texture Rate 7.1 GTexel/s |
Shaders 256 Shaders | Shaders 240 Shaders |
TMUs 16 TMUs | TMUs 12 TMUs |
ROPs 8 ROPs | ROPs 4 ROPs |
CUs 4 CUs | CUs 3 CUs |
Base Clock 496MHz | Base Clock - |
Boost Clock 685MHz | Boost Clock 593MHz |
L2 Cache 256KB shared | L2 Cache 128KB shared |
Shared Memory · | Shared Memory · |
Memory Bus 128-bit | Memory Bus 128-bit |
Memory Speed 1.6GT/s | Memory Speed 1.3GT/s |
Memory Bandwidth 25.6GB/s | Memory Bandwidth 21.3GB/s |
ECC No | ECC No |
TDP Shared | TDP 35W |
Multi-Monitor 2 | Multi-Monitor 2 |
Decoder Model UVD 3.1 | Decoder Model UVD 3.0 |
Codec MPEG-1 MPEG-2 MPEG-4 VC-1 AVC (H.264) | Codec MPEG-1 MPEG-2 MPEG-4 VC-1 AVC (H.264) |
Form Factor iGPU | Form Factor iGPU |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename Devastator | Codename BeaverCreek |
Chip Variant - | Chip Variant Sumo |
Market Segment Laptop | Market Segment Laptop |
Release Date May 1, 2012 | Release Date Jun 14, 2011 |
Foundry GlobalFoundries | Foundry GlobalFoundries |
Fabrication Node 32nm | Fabrication Node 32nm |
Die Size 246mm² | Die Size 228mm² |
Transistor Count 1.3 Billion | Transistor Count 1.2 Billion |
Transistor Density 5 MTr/mm² | Transistor Density 5 MTr/mm² |