Attribute | Radeon R5 M230 Rebrand × | GeForce 840M × |
---|---|---|
GPU | ||
Release year (year) | 2013 | 2014 |
Reference card | AMD Radeon R5 M230 780 MHz 4 GB | - |
GPU brand | AMD | Nvidia |
GPU name | Sun | GM108 |
Market | Laptop | Laptop |
Clock speed (MHz) | 750 | 1,029 |
Turbo clock speed (MHz) | 825 | 1,124 |
Is dual GPU | - | - |
Model | Radeon R5 M230 Rebrand | GeForce 840M |
Memory | ||
Memory (MB) | 2,048 | 1,024 |
Memory bandwidth (GB/s) | 14.4 | 16 |
Memory bus (bit) | 64 | 64 |
Memory type | DDR3 | DDR3 |
Memory clock speed (MHz) | 900 | 1,001 |
1↑Effective memory clock speed (MHz) | 1,800 | 2,002 |
Noise and power | ||
TDP (W) | - | 33 |
Raw performance | ||
Pixel rate (GPixel/s) | 6.6 | 8.23 |
Render output processors | 8 | 8 |
Texture mapping units | 20 | 16 |
Shading units | 320 | 384 |
Floating-point performance (GFLOPS) | 528 | 790 |
Compute units | 5 | - |
Texture rate (GTexel/s) | 16.5 | 16.46 |
Benchmarks | ||
Bioshock Infinite | 6.4 | - |
Battlefield 4 | - | 11.2 |
Face detection (mPixels/s) | 6.66 | 22.54 |
T-Rex (GFXBench 3.0) | 2870.62 | 3359.62 |
Manhattan (GFXBench 3.0) | 1802.63 | 1855.62 |
Bitcoin mining (mHash/s) | 49.27 | 94.68 |
Sky Diver Factor | 70.4 | 120.22 |
Thief | 3.8 | 9.1 |
Fire Strike Factor | 7.79 | 12.59 |