Attribute | GeForce GT 640M × | Radeon R7 M265 × |
---|---|---|
GPU | ||
Release year (year) | 2012 | 2014 |
GPU brand | Nvidia | AMD |
GPU name | GK107 | Opal |
Market | Laptop | Laptop |
Clock speed (MHz) | 625 | 725 |
Turbo clock speed (MHz) | - | 825 |
Is dual GPU | - | - |
Model | GeForce GT 640M | Radeon R7 M265 |
Memory | ||
Memory (MB) | 2,048 | 2,048 |
Memory bandwidth (GB/s) | 28.8 | 28.8 |
Memory bus (bit) | 128 | 128 |
Memory type | DDR3 | DDR3 |
Memory clock speed (MHz) | 900 | 900 |
Effective memory clock speed (MHz) | 1,800 | 1,800 |
Noise and power | ||
TDP (W) | 32 | - |
Raw performance | ||
Pixel rate (GPixel/s) | 5 | 6.6 |
Render output processors | 16 | 8 |
Texture mapping units | 32 | 24 |
Shading units | 384 | 384 |
Floating-point performance (GFLOPS) | 480 | 634 |
Compute units | - | 6 |
Texture rate (GTexel/s) | 20 | 19.8 |
Benchmarks | ||
1↑Metro: Last Light | - | 27 |
Bioshock Infinite | - | 10.9 |
Battlefield 4 | 9.9 | - |
Face detection (mPixels/s) | 7.86 | 12.03 |
T-Rex (GFXBench 3.0) | 3339.75 | 3360.64 |
Manhattan (GFXBench 3.0) | 3590.88 | 3706.64 |
Bitcoin mining (mHash/s) | 17.38 | 68.39 |
Sky Diver Factor | 106.74 | - |
Thief | 8.35 | 3.4 |
Fire Strike Factor | 11.26 | - |
Ocean surface simulation (frames/s) | - | 282.11 |