AMD Radeon HD 6490M vs AMD Radeon HD 6620G Full Specs
160 Shaders 800MHz | 400 Shaders 444MHz |
524MB GDDR525.6GB/s placeholder | Shared Memory25.6GB/s · |
·· 256 GFLOPS | ·· 355.2 GFLOPS |
Form Factor Soldered | Form Factor iGPU |
TDP 25W | TDP 35W |
Radeon HD 6490M256 GFLOPSFP32Radeon HD 6620G355.2 GFLOPSFP32Clock Speed ·· | Clock Speed ·· |
Peak OPS 256 GFLOPSFP32 | Peak OPS 355.2 GFLOPSFP32 |
FP32 256 GFLOPS | FP32 355.2 GFLOPS |
Pixel Rate 3.2 GPixel/s | Pixel Rate 3.5 GPixel/s |
Texture Rate 6.4 GTexel/s | Texture Rate 8.9 GTexel/s |
Shaders 160 Shaders | Shaders 400 Shaders |
TMUs 8 TMUs | TMUs 20 TMUs |
ROPs 4 ROPs | ROPs 8 ROPs |
CUs 2 CUs | CUs 5 CUs |
Boost Clock 800MHz | Boost Clock 444MHz |
L2 Cache 128KB shared | L2 Cache 256KB shared |
524MB GDDR5 placeholder | Shared Memory · |
Memory Bus 64-bit | Memory Bus 128-bit |
Memory Speed 3.2GT/s | Memory Speed 1.6GT/s |
Memory Bandwidth 25.6GB/s | Memory Bandwidth 25.6GB/s |
ECC No | ECC No |
TDP 25W | TDP 35W |
Multi-Monitor 2 | Multi-Monitor 2 |
Decoder Model UVD 3.0 | Decoder Model UVD 3.0 |
Form Factor Soldered | Form Factor iGPU |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename Caicos | Codename BeaverCreek |
Chip Variant Caicos | Chip Variant Sumo |
Market Segment Laptop | Market Segment Laptop |
Release Date Jan 4, 2011 | Release Date Jun 14, 2011 |
Foundry TSMC | Foundry GlobalFoundries |
Fabrication Node 40nm | Fabrication Node 32nm |
Die Size 67mm² | Die Size 228mm² |
Transistor Count 370 Million | Transistor Count 1.2 Billion |
Transistor Density 5.52 MTr/mm² | Transistor Density 5 MTr/mm² |
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