| Attribute | GeForce 8400 GS PCI × | Radeon HD 3570 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2011 | 2010 |
| Reference card | Nvidia GeForce 8400 GS PCI 520 MHz 512 MB | - |
| GPU brand | Nvidia | ATI |
| GPU name | G86 | RV620 |
| Market | Desktop | Desktop |
| Clock speed (MHz) | 520 | 796 |
| Is dual GPU | - | - |
| Model | GeForce 8400 GS PCI | Radeon HD 3570 |
| Memory | ||
| Memory (MB) | 512 | 512 |
| Memory bandwidth (GB/s) | 8 | 7.9 |
| Memory bus (bit) | 64 | 64 |
| Memory type | DDR3 | DDR2 |
| Memory clock speed (MHz) | 500 | 495 |
| Effective memory clock speed (MHz) | 1,000 | 990 |
| Noise and power | ||
| TDP (W) | 40 | 30 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 2.08 | 3.18 |
| Render output processors | 4 | 4 |
| Texture mapping units | 8 | 4 |
| Shading units | 16 | 40 |
| Floating-point performance (GFLOPS) | 39 | 64 |
| Compute units | - | 2 |
| Texture rate (GTexel/s) | 4.16 | 3.18 |