| Attribute | GeForce GT 650M × | Radeon R7 M340 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2012 | 2015 |
| GPU brand | Nvidia | AMD |
| GPU name | GK107 | Opal |
| Market | Laptop | - |
| Clock speed (MHz) | 850 | 620 |
| Turbo clock speed (MHz) | - | 715 |
| Is dual GPU | - | - |
| Model | GeForce GT 650M | Radeon R7 M340 |
| Memory | ||
| Memory (MB) | 1,024 | 1,024 |
| Memory bandwidth (GB/s) | 28.8 | 16 |
| Memory bus (bit) | 128 | 64 |
| Memory type | GDDR5 | DDR3 |
| Memory clock speed (MHz) | 900 | 1,000 |
| Effective memory clock speed (MHz) | 1,800 | 2,000 |
| Noise and power | ||
| TDP (W) | 45 | - |
| Raw performance | ||
| Pixel rate (GPixel/s) | 6.8 | 4.96 |
| Render output processors | 16 | 8 |
| Texture mapping units | 32 | 24 |
| Shading units | 384 | 384 |
| Floating-point performance (GFLOPS) | 653 | 476 |
| Compute units | - | 6 |
| Texture rate (GTexel/s) | 27.2 | 14.9 |
| Benchmarks | ||
| Particle simulation (mInteraction/s) | - | 126.23 |
| Crysis 3 | 8.4 | 5.1 |
| Bioshock Infinite | 17.45 | 11.7 |
| Face detection (mPixels/s) | 9.87 | 15.23 |
| T-Rex (GFXBench 3.0) | 3342.1 | 3357.94 |
| Manhattan (GFXBench 3.0) | 3685.52 | 3670.11 |
| Bitcoin mining (mHash/s) | 22.46 | 74.21 |
| Sky Diver Factor | 139.57 | - |
| Fire Strike Factor | 20.58 | - |
| Ocean surface simulation (frames/s) | - | 140.87 |