Attribute | Radeon HD 8970M × | Radeon RX 580 × |
---|---|---|
GPU | ||
Release year (year) | 2013 | 2017 |
GPU brand | AMD | AMD |
GPU name | Neptune | Polaris 20 |
Market | Laptop | - |
Clock speed (MHz) | 850 | 1,257 |
Turbo clock speed (MHz) | 900 | 1,340 |
Is dual GPU | - | - |
Model | Radeon HD 8970M | Radeon RX 580 |
Memory | ||
Memory (MB) | 4,096 | 8,192 |
Memory bandwidth (GB/s) | 153.6 | 256 |
Memory bus (bit) | 256 | 256 |
Memory type | GDDR5 | GDDR5 |
Memory clock speed (MHz) | 1,200 | 2,000 |
Effective memory clock speed (MHz) | 4,800 | 8,000 |
Noise and power | ||
TDP (W) | 100 | 185 |
Raw performance | ||
Pixel rate (GPixel/s) | 28.8 | 42.88 |
Render output processors | 32 | 32 |
Texture mapping units | 80 | 144 |
Shading units | 1,280 | 2,304 |
Floating-point performance (GFLOPS) | 2,304 | 6,175 |
Compute units | 20 | 36 |
Texture rate (GTexel/s) | 72 | 193 |
Benchmarks | ||
Cloud Gate Factor | - | 22.5 |
Battlefield 4 | 43.25 | - |
Face detection (mPixels/s) | 57.24 | 116.37 |
T-Rex (GFXBench 3.0) | 1938.41 | 3350.64 |
Manhattan (GFXBench 3.0) | 2321.43 | 3709.21 |
1↑Bitcoin mining (mHash/s) | 268.64 | 607.72 |
Sky Diver Factor | 290.59 | 441.03 |
Thief | 35.9 | - |
Fire Strike Factor | 42.93 | 75.63 |
Ocean surface simulation (frames/s) | - | 2007.61 |