Attribute | GeForce GTX 870M × | GeForce GTX 970 × |
---|---|---|
GPU | ||
Release year (year) | 2014 | 2014 |
GPU brand | Nvidia | Nvidia |
GPU name | GK104 | GM204 |
Market | Laptop | Desktop |
Clock speed (MHz) | 941 | 1,050 |
Turbo clock speed (MHz) | 967 | 1,178 |
Is dual GPU | - | - |
Model | GeForce GTX 870M | GeForce GTX 970 |
Memory | ||
Memory (MB) | 3,072 | 4,096 |
Memory bandwidth (GB/s) | 120 | 224.4 |
Memory bus (bit) | 192 | 256 |
Memory type | GDDR5 | GDDR5 |
Memory clock speed (MHz) | 1,250 | 1,753 |
Effective memory clock speed (MHz) | 5,000 | 7,012 |
Noise and power | ||
TDP (W) | 100 | 148 |
Raw performance | ||
Pixel rate (GPixel/s) | 26.35 | 58.8 |
Render output processors | 24 | 56 |
Texture mapping units | 112 | 104 |
Shading units | 1,344 | 1,664 |
Floating-point performance (GFLOPS) | 2,529 | 3,494 |
Texture rate (GTexel/s) | 105.4 | 109.2 |
Benchmarks | ||
Unigine: Heaven 4.0 | - | 60 |
Battlefield 4 | 36.6 | - |
Face detection (mPixels/s) | 34.84 | 105.04 |
T-Rex (GFXBench 3.0) | 3360.2 | 3358.38 |
Manhattan (GFXBench 3.0) | 3717.8 | 3715.92 |
Bitcoin mining (mHash/s) | 81.75 | 212.39 |
1↑Sky Diver Factor | 295.59 | 428.4 |
Thief | 31.9 | 75 |
Fire Strike Factor | 35.66 | 72.7 |