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Benchmarks Real world tests of the GeForce GT 640 Rebrand
3DMark 11 Graphics Industry standard benchmark that tests DirectX 11 GPU performance
3DMark Vantage Graphics Industry standard benchmark that tests DirectX 10 GPU performance
3DMark06 Industry standard benchmark that tests DirectX 9 GPU performance
CLBenchmark Raytrace Measures compute performance using OpenCL to do raytracing
Specifications Full list of technical specs
gpu
| GPU brand | Nvidia |
|---|---|
| GPU name | GF116 |
| Market | Desktop |
| Clock speed | 720 MHz |
| Is dual GPU | No |
| Reference card | None |
raw performance
| Shading units | 144 |
|---|---|
| Texture mapping units | 24 |
| Render output processors | 24 |
| Pixel rate | 4.32 GPixel/s |
| Texture rate | 17.28 GTexel/s |
| Floating-point performance | 414.7 GFLOPS |
memory
| Memory clock speed | 800 MHz |
|---|---|
| Effective memory clock speed | 1,600 MHz |
| Memory bus | 192 bit |
| Memory | 1,536 MB |
| Memory type | DDR3 |
| Memory bandwidth | 38.4 GB/s |
noise and power
| TDP | 75W |
|---|
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Competitors
 | Sapphire Radeon R9 270X
|
 | AMD Radeon HD 8570
|
 | ATi Mobility Radeon HD 5650
|
 | AMD Radeon R7 260X
|
 | Nvidia GeForce GT 1030
|
 | |
 | Sapphire Radeon R5 230
|
Other GeForce GT 640 Rebrands
 | ASUS GeForce GT 640 Rebrand GT 640 DP 3 GB
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