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