| Attribute | GeForce GT 755M Mac × | Mobility Radeon HD 4860 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2013 | 2009 |
| GPU brand | Nvidia | ATI |
| GPU name | GK107 | M97 |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 1,085 | 650 |
| Is dual GPU | - | - |
| Model | GeForce GT 755M Mac | Mobility Radeon HD 4860 |
| Memory | ||
| Memory (MB) | 1,024 | 1,024 |
| Memory bandwidth (GB/s) | 80 | 64 |
| Memory bus (bit) | 128 | 128 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,250 | 1,000 |
| Effective memory clock speed (MHz) | 5,000 | 4,000 |
| Noise and power | ||
| TDP (W) | 50 | - |
| Raw performance | ||
| Pixel rate (GPixel/s) | 8.68 | 10.4 |
| Render output processors | 16 | 16 |
| Texture mapping units | 32 | 32 |
| Shading units | 384 | 640 |
| Floating-point performance (GFLOPS) | 833 | 832 |
| Compute units | - | 8 |
| Texture rate (GTexel/s) | 34.7 | 20.8 |
| Benchmarks | ||
| Particle simulation (mInteraction/s) | 143 | - |
| T-Rex (Compubench 1.5) (frames/s) | 0.97 | - |
| Video composition (frames/s) | 18.79 | - |
| Face detection (mPixels/s) | 10.24 | - |
| Bitcoin mining (mHash/s) | 19.14 | - |
| Ocean surface simulation (frames/s) | 393.81 | - |