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| 6.4 Out of 10 |  |
by Doug-Crowthers (Apr, 2012)It is based on the Fermi GF116, which features 144 CUDA cores, 1.5 GB or 3 GB GDDR3 192-bit memory interface, 720 MHz core clock speed, and 891 MHz memory clock speed.
GPUBoss Review Our evaluation of the GeForce GTX 645 among Desktop GPUs
Gaming | |
| | |
| Battlefield 3, Battlefield 4, Bioshock Infinite and 21 more | |
Graphics | |
| | |
| T-Rex, Manhattan, Cloud Gate Factor, Sky Diver Factor and 1 more | |
Computing | |
| | |
| Face Detection, Ocean Surface Simulation and 3 more | |
Performance per Watt | |
| | |
| Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more | |
Value | |
| | |
| Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more | |
Noise and Power | |
| | |
| TDP, Idle Power Consumption, Load Power Consumption and 2 more | |
| 6.4 | Overall Score |
| | |
Benchmarks Real world tests of the GeForce GTX 645
Bitcoin mining Data courtesy CompuBench
Face detection Data courtesy CompuBench
Ocean surface simulation Data courtesy CompuBench
T-Rex (GFXBench 3.0) Data courtesy CompuBench
Manhattan (GFXBench 3.0) Data courtesy CompuBench
Fire Strike Factor Data courtesy FutureMark
Sky Diver Factor Data courtesy FutureMark
Cloud Gate Factor Data courtesy FutureMark
In The News From around the web
| 26 Apr |
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It is a single-slot, low-profile graphics card with 384 CUDA cores, 128-bit wide GDDR3 memory interface, 875 MHz GPU clock speed, 891 MHz memory clock speed and TDP of 50 W. When compared against the low-end GT 640, the GT 630 is actually the better card and in-turn will offer users better performance in their OEM system.
It is based on the Fermi GF116, which features 144 CUDA cores, 1.5 GB or 3 GB GDDR3 192-bit memory interface, 720 MHz core clock speed, and 891 MHz memory clock speed.
Specifications Full list of technical specs
gpu
| GPU brand | Nvidia |
|---|---|
| GPU name | GK106 |
| Market | Desktop |
| Clock speed | 824 MHz |
| Turbo clock speed | 888 MHz |
| Is dual GPU | No |
| Reference card | None |
raw performance
| Shading units | 576 |
|---|---|
| Texture mapping units | 48 |
| Render output processors | 16 |
| SMX units | 3 |
| Pixel rate | 9.89 GPixel/s |
| Texture rate | 39.6 GTexel/s |
| Floating-point performance | 949.2 GFLOPS |
memory
| Memory clock speed | 1,000 MHz |
|---|---|
| Effective memory clock speed | 4,000 MHz |
| Memory bus | 128 bit |
| Memory | 1,024 MB |
| Memory type | GDDR5 |
| Memory bandwidth | 64 GB/s |
noise and power
| TDP | 65W |
|---|
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Competitors
 | Nvidia GeForce GTX 660
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 | Nvidia GeForce GTX 745
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 | Colorful GeForce GTX 650
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 | Nvidia GeForce GT 635
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 | Nvidia GeForce GTX 550 Ti
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 | |
 | Leadtek GeForce GT 640
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