| Intel Core 2 Quad Q9400s | Intel Core2 Duo T6570 | |
| 2.66 GHz | Frequency | 2.10 GHz |
| -- | Turbo (1 Core) | -- |
| -- | Turbo (All Cores) | -- |
| 4 | Cores | 2 |
| No | Hyperthreading ? | No |
| No | Overclocking ? | No |
| normal | Core architecture | normal |
| no iGPU | GPU | no iGPU |
| DirectX Version | ||
| Max. displays | ||
| DDR2-800DDR3-1066 | Memory | |
| 2 | Memory channels | 0 |
| 16 GB | Max. Memory | |
| No | ECC | No |
| 6.00 MB | L2 Cache | 2.00 MB |
| -- | L3 Cache | -- |
| PCIe version | ||
| PCIe lanes | ||
| 45 nm | Technology | 45 nm |
| LGA 775 | Socket | PGA 478 |
| 65 W | TDP | 35 W |
| VT-x, VT-d | Virtualization | VT-x |
| Q1/2009 | Release date | Q2/2009 |
| show more detail | show more detail |