|
| 4.8 Out of 10 |  |
GPUBoss Review Our evaluation of the GeForce GT 645M among Laptop GPUs under 35W TDP
Gaming | |
| | |
| Battlefield 3, Battlefield 4, Bioshock Infinite and 21 more | |
Graphics | |
| | |
| T-Rex, Manhattan and Cloud Gate Factor | |
Computing | |
| | |
| Face Detection, Ocean Surface Simulation and 3 more | |
Performance per Watt | |
| | |
| Battlefield 3, Battlefield 4, Bioshock Infinite and 30 more | |
Value | |
| | |
| Battlefield 3, Battlefield 4, Bioshock Infinite and 30 more | |
Noise and Power | |
| | |
| TDP, Idle Power Consumption, Load Power Consumption and 2 more | |
| 4.8 | Overall Score |
| | |
Benchmarks Real world tests of the GeForce GT 645M
Bitcoin mining Data courtesy CompuBench
Face detection 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
Bioshock Infinite
Crysis 3
Specifications Full list of technical specs
gpu
| GPU brand | Nvidia |
|---|---|
| GPU name | GK107 |
| Market | Laptop |
| Clock speed | 709 MHz |
| Is dual GPU | No |
| Reference card | None |
raw performance
| Shading units | 384 |
|---|---|
| Texture mapping units | 32 |
| Render output processors | 16 |
| Pixel rate | 5.67 GPixel/s |
| Texture rate | 22.69 GTexel/s |
| Floating-point performance | 544.5 GFLOPS |
memory
| Memory clock speed | 900 MHz |
|---|---|
| Effective memory clock speed | 1,800 MHz |
| Memory bus | 128 bit |
| Memory | 2,048 MB |
| Memory type | DDR3 |
| Memory bandwidth | 28.8 GB/s |
noise and power
| TDP | 32W |
|---|
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Competitors
 | Nvidia GeForce GT 750M
|
 | Nvidia GeForce GT 740M
|
 | Nvidia GeForce 840M
|
 | |
 | AMD Radeon HD 7870
|
 | Nvidia GeForce 940MX
|
 | AMD Radeon HD 7670M
|
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