NVIDIA GeForce GT 620M vs NVIDIA GeForce GT 640M LE Full Specs
96 Shaders 625MHz | 96 Shaders 762MHz |
1GB DDR314.4GB/s | 1GB GDDR550.1GB/s |
·· 240 GFLOPS | ·· 96 GFLOPS |
Form Factor Soldered | Form Factor Soldered |
TDP 15W | TDP 32W |
GeForce GT 620M240 GFLOPSFP32GeForce GT 640M LE96 GFLOPSFP32Clock Speed ·· | Clock Speed ··· |
Peak OPS 240 GFLOPSFP32 | Peak OPS 96 GFLOPSFP32 |
FP32 240 GFLOPS | FP32 96 GFLOPS |
FP64 20 GFLOPS | FP64 8 GFLOPS |
Pixel Rate 5 GPixel/s | Pixel Rate 2 GPixel/s |
Texture Rate 20 GTexel/s | Texture Rate 8 GTexel/s |
Shaders 96 Shaders | Shaders 96 Shaders |
TMUs 16 TMUs | TMUs 16 TMUs |
ROPs 4 ROPs | ROPs 4 ROPs |
SMs 2 SMs | SMs 2 SMs |
Base Clock - | Base Clock 762MHz |
Boost Clock 625MHz | Boost Clock 762MHz |
Shader Clock 1.25GHz | Shader Clock 500MHz |
L2 Cache 256KB shared | L2 Cache 256KB shared |
1GB DDR3 | 1GB GDDR5 |
Memory Bus 64-bit | Memory Bus 128-bit |
Memory Speed 1.8GT/s | Memory Speed 3.1GT/s |
Memory Bandwidth 14.4GB/s | Memory Bandwidth 50.1GB/s |
TDP 15W | TDP 32W |
Multi-Monitor 2 | Multi-Monitor 2 |
Decoder Model VP5 | Decoder Model VP4 |
Form Factor Soldered | Form Factor Soldered |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename NVD7 | Codename NVC1 |
Chip Variant N13M-GS | Chip Variant - |
Market Segment Laptop | Market Segment Laptop |
Release Date Apr 1, 2012 | Release Date Mar 22, 2012 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 28nm | Fabrication Node 40nm |
Die Size 116mm² | Die Size 116mm² |
Transistor Count 585 Million | Transistor Count 585 Million |
Transistor Density 5.04 MTr/mm² | Transistor Density 5.04 MTr/mm² |
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