NVIDIA GeForce GT 640M vs AMD Radeon HD 7650M Full Specs
384 Shaders 625MHz | 480 Shaders 550MHz |
1GB GDDR564GB/s | 1GB DDR325.6GB/s |
·· 480 GFLOPS | ·· 528 GFLOPS |
Form Factor Soldered | Form Factor Soldered |
TDP 32W | TDP 25W |
GeForce GT 640M480 GFLOPSFP32
Radeon HD 7650M528 GFLOPSFP32Clock Speed ·· | Clock Speed ··· |
Peak OPS 480 GFLOPSFP32 | Peak OPS 528 GFLOPSFP32 |
FP32 480 GFLOPS | FP32 528 GFLOPS |
FP64 20 GFLOPS | - |
Pixel Rate 10 GPixel/s | Pixel Rate 4.4 GPixel/s |
Texture Rate 20 GTexel/s | Texture Rate 13.2 GTexel/s |
Shaders 384 Shaders | Shaders 480 Shaders |
TMUs 32 TMUs | TMUs 24 TMUs |
ROPs 16 ROPs | ROPs 8 ROPs |
SMs 2 SMs | CUs 6 CUs |
Base Clock - | Base Clock 450MHz |
Boost Clock 625MHz | Boost Clock 550MHz |
L2 Cache 256KB shared | L2 Cache 256KB shared |
1GB GDDR5 | 1GB DDR3 |
Memory Bus 128-bit | Memory Bus 128-bit |
Memory Speed 4GT/s | Memory Speed 1.6GT/s |
Memory Bandwidth 64GB/s | Memory Bandwidth 25.6GB/s |
TDP 32W | TDP 25W |
Multi-Monitor 3 | Multi-Monitor 2 |
Encoder Model NVENC 1 | - |
Decoder Model NVDEC 1 | Decoder Model UVD 3.0 |
Form Factor Soldered | Form Factor Soldered |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename NVE7 | Codename Turks |
Chip Variant - | Chip Variant Turks Pro |
Market Segment Laptop | Market Segment Laptop |
Release Date Mar 22, 2012 | Release Date Jan 7, 2012 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 28nm | Fabrication Node 40nm |
Die Size 118mm² | Die Size 118mm² |
Transistor Count 1.3 Billion | Transistor Count 716 Million |
Transistor Density 10.76 MTr/mm² | Transistor Density 6.07 MTr/mm² |
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