NVIDIA GeForce GT 610 vs NVIDIA GeForce GT 640 Full Specs
48 Shaders 810MHz | 384 Shaders 900MHz |
524MB DDR316GB/s | 2GB DDR328.5GB/s |
·· 155.5 GFLOPS | ·· 691.2 GFLOPS |
Form Factor PCIe Card | Form Factor PCIe Card |
TDP 29W | TDP 65W |
GeForce GT 610155.5 GFLOPSFP32
GeForce GT 640691.2 GFLOPSFP32Clock Speed ·· | Clock Speed ·· |
Peak OPS 155.5 GFLOPSFP32 | Peak OPS 691.2 GFLOPSFP32 |
FP32 155.5 GFLOPS | FP32 691.2 GFLOPS |
FP64 12.96 GFLOPS | FP64 28.8 GFLOPS |
Pixel Rate 6.5 GPixel/s | Pixel Rate 14.4 GPixel/s |
Texture Rate 13 GTexel/s | Texture Rate 28.8 GTexel/s |
Shaders 48 Shaders | Shaders 384 Shaders |
TMUs 8 TMUs | TMUs 32 TMUs |
ROPs 4 ROPs | ROPs 16 ROPs |
SM 1 SM | SMs 2 SMs |
Boost Clock 810MHz | Boost Clock 900MHz |
Shader Clock 1.62GHz | Shader Clock - |
L2 Cache 128KB shared | L2 Cache 256KB shared |
524MB DDR3 | 2GB DDR3 |
Memory Bus 64-bit | Memory Bus 128-bit |
Memory Speed 2GT/s | Memory Speed 1.8GT/s |
Memory Bandwidth 16GB/s | Memory Bandwidth 28.5GB/s |
TDP 29W | TDP 65W |
Multi-Monitor 2 | Multi-Monitor 2 |
- | 1x HDMI 1.4 |
1x HDMI 1.3 | - |
1x DVI-I Dual-Link | 1x DVI-I Dual-Link |
1x VGA | 1x VGA |
- | Encoder Model NVENC 1 |
Decoder Model VP5 | Decoder Model NVDEC 1 |
Form Factor PCIe Card | Form Factor PCIe Card |
PCIe 1-Slots | PCIe 1.5-Slots |
Height 69 mm (2.72")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 NVD9 | Codename NVE7 |
Market Segment Desktop | Market Segment Desktop |
Release Date May 15, 2012 | Release Date Jun 5, 2012 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 40nm | Fabrication Node 28nm |
Die Size 79mm² | Die Size 118mm² |
Transistor Count 292 Million | Transistor Count 1.3 Billion |
Transistor Density 3.7 MTr/mm² | Transistor Density 10.76 MTr/mm² |
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