Attribute | GeForce GTX 870M × | Radeon R9 270 × |
---|---|---|
GPU | ||
Release year (year) | 2014 | 2013 |
GPU brand | Nvidia | AMD |
GPU name | GK104 | Curacao |
Market | Laptop | Desktop |
Clock speed (MHz) | 941 | 900 |
Turbo clock speed (MHz) | 967 | 925 |
Is dual GPU | - | - |
Model | GeForce GTX 870M | Radeon R9 270 |
Memory | ||
Memory (MB) | 3,072 | 2,048 |
Memory bandwidth (GB/s) | 120 | 179.2 |
1↑Memory bus (bit) | 192 | 256 |
Memory type | GDDR5 | GDDR5 |
Memory clock speed (MHz) | 1,250 | 1,400 |
Effective memory clock speed (MHz) | 5,000 | 5,600 |
Noise and power | ||
TDP (W) | 100 | 150 |
Raw performance | ||
Pixel rate (GPixel/s) | 26.35 | 29.6 |
Render output processors | 24 | 32 |
Texture mapping units | 112 | 80 |
Shading units | 1,344 | 1,280 |
Floating-point performance (GFLOPS) | 2,529 | 2,368 |
Compute units | - | 20 |
Texture rate (GTexel/s) | 105.4 | 74 |
Benchmarks | ||
Crysis 3 | - | 74 |
Battlefield 4 | 36.6 | 65 |
Face detection (mPixels/s) | 34.84 | 57.24 |
T-Rex (GFXBench 3.0) | 3360.2 | 3359.76 |
Manhattan (GFXBench 3.0) | 3717.8 | 3717.7 |
Bitcoin mining (mHash/s) | 81.75 | 251.26 |
Sky Diver Factor | 295.59 | 312.65 |
Thief | 31.9 | - |
Fire Strike Factor | 35.66 | 49.6 |