AMD Radeon HD 6490M vs NVIDIA GeForce GT 445M Full Specs
160 Shaders 800MHz | 144 Shaders 590MHz |
524MB GDDR525.6GB/s | 2GB GDDR560GB/s |
·· 256 GFLOPS | ·· 339.8 GFLOPS |
Form Factor Soldered | Form Factor Soldered |
TDP 25W | TDP 35W |
Radeon HD 6490M256 GFLOPSFP32
GeForce GT 445M339.8 GFLOPSFP32Clock Speed ·· | Clock Speed ·· |
Peak OPS 256 GFLOPSFP32 | Peak OPS 339.8 GFLOPSFP32 |
FP32 256 GFLOPS | FP32 339.8 GFLOPS |
- | FP64 28.32 GFLOPS |
Pixel Rate 3.2 GPixel/s | Pixel Rate 18.9 GPixel/s |
Texture Rate 6.4 GTexel/s | Texture Rate 28.3 GTexel/s |
Shaders 160 Shaders | Shaders 144 Shaders |
TMUs 8 TMUs | TMUs 24 TMUs |
ROPs 4 ROPs | ROPs 16 ROPs |
CUs 2 CUs | SMs 3 SMs |
Boost Clock 800MHz | Boost Clock 590MHz |
Shader Clock - | Shader Clock 1.18GHz |
L2 Cache 128KB shared | L2 Cache 384KB shared |
524MB GDDR5 | 2GB GDDR5 |
Memory Bus 64-bit | Memory Bus 192-bit |
Memory Speed 3.2GT/s | Memory Speed 2.5GT/s |
Memory Bandwidth 25.6GB/s | Memory Bandwidth 60GB/s |
TDP 25W | TDP 35W |
Multi-Monitor 2 | Multi-Monitor 2 |
Decoder Model UVD 3.0 | Decoder Model VP4 |
Form Factor Soldered | Form Factor Soldered |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Caicos | Codename NVC3 |
Chip Variant Caicos | Chip Variant - |
Market Segment Laptop | Market Segment Laptop |
Release Date Jan 4, 2011 | Release Date Sep 3, 2010 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 40nm | Fabrication Node 40nm |
Die Size 67mm² | Die Size 238mm² |
Transistor Count 370 Million | Transistor Count 1.2 Billion |
Transistor Density 5.52 MTr/mm² | Transistor Density 4.92 MTr/mm² |
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