NVIDIA GeForce GT 630 GF108 1GB vs NVIDIA GeForce GT 640 GF116 Full Specs
96 Shaders 810MHz | 144 Shaders 720MHz |
1GB GDDR551.2GB/s | 2GB DDR342.8GB/s |
·· 311 GFLOPS | ·· 414.7 GFLOPS |
Form Factor PCIe Card | Form Factor PCIe Card |
TDP 65W | TDP 75W |
GeForce GT 630 GF108 1GB311 GFLOPSFP32GeForce GT 640 GF116414.7 GFLOPSFP32Clock Speed ·· | Clock Speed ·· |
Peak OPS 311 GFLOPSFP32 | Peak OPS 414.7 GFLOPSFP32 |
FP32 311 GFLOPS | FP32 414.7 GFLOPS |
FP64 25.92 GFLOPS | FP64 34.56 GFLOPS |
Pixel Rate 6.5 GPixel/s | Pixel Rate 34.6 GPixel/s |
Texture Rate 25.9 GTexel/s | Texture Rate 34.6 GTexel/s |
Shaders 96 Shaders | Shaders 144 Shaders |
TMUs 16 TMUs | TMUs 24 TMUs |
ROPs 4 ROPs | ROPs 24 ROPs |
SMs 2 SMs | SMs 3 SMs |
Boost Clock 810MHz | Boost Clock 720MHz |
Shader Clock 1.62GHz | Shader Clock 1.44GHz |
L2 Cache 256KB shared | L2 Cache 384KB shared |
1GB GDDR5 | 2GB DDR3 |
Memory Bus 128-bit | Memory Bus 192-bit |
Memory Speed 3.2GT/s | Memory Speed 1.8GT/s |
Memory Bandwidth 51.2GB/s | Memory Bandwidth 42.8GB/s |
TDP 65W | TDP 75W |
Multi-Monitor 2 | Multi-Monitor 2 |
1x HDMI 1.3 | 1x HDMI 1.3 |
1x DVI-I Dual-Link | 1x DVI-I Dual-Link |
1x VGA | 1x VGA |
Decoder Model VP4 | Decoder Model VP4 |
Form Factor PCIe Card | Form Factor PCIe Card |
PCIe 1-Slots | PCIe 1.5-Slots |
Height 111 mm (4.37")Width 145 mm (5.71")Depth 20 mm (0.79") | Height 111 mm (4.37")Width 145 mm (5.71")Depth 30 mm (1.18") |
Cooling Open-Air 1x Fan | Cooling Open-Air 1x Fan |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename NVC1 | Codename NVCF |
Market Segment Desktop | Market Segment Desktop |
Release Date May 15, 2012 | Release Date Apr 24, 2012 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 40nm | Fabrication Node 40nm |
Die Size 116mm² | Die Size 238mm² |
Transistor Count 585 Million | Transistor Count 1.2 Billion |
Transistor Density 5.04 MTr/mm² | Transistor Density 4.92 MTr/mm² |
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