Core i7-975
Core2 Duo E8400
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| General information | Core i7-975 | Core2 Duo E8400 |
|---|---|---|
| Launched | Q2 2009 | Q4 2008 |
| Used in | Desktop | Desktop |
| Factory | Intel | Intel |
| Socket | LGA1366 | LGA775 |
| Series Name | Intel Core i7 Extreme | Intel Core 2 Duo |
| Core Family Name | Bloomfield | Wolfdale |
| Clock | 3.3 GHz 0 % | 3 GHz 9.1 % |
| Cores | 4 0 % | 2 50 % |
| Threads | 8 0 % | 2 75 % |
| Thermal Design Power (TDP) | 130 W 0 % | 65 W 50 % |
| Lithography | 45 nm 0 % | 45 nm 0 % |
| L1 Cache |
4 × 32 kB Instruction
4 × 32 kB Data |
2 × 32 kB Instruction
2 × 32 kB Data |
| L2 Cache |
4 × 256 kB
|
1 × 6 MB
|
| ECC Supported | No | No |
| Multithreading Supported | Yes | No |
| Performance | Core i7-975 | Core2 Duo E8400 |
| Overall Score | 38754 0 % | 29685 23.4 % |
| Future Proof | 13 % 0 % | 10 % 23.1 % |
| Benchmark Score | 2256 0 % | 776 65.6 % |
| Single Thread Score | 1490.5 0 % | 1234.5 17.2 % |
| Encrypting Data | 5151 MB/s 0 % | 1778.4 MB/s 65.5 % |
| Compressing Data | 74.7 MB/s 0 % | 24.8 MB/s 66.8 % |
| String objects sorting | 10396.3 thousand/s 0 % | 3357.3 thousand/s 67.7 % |
| Prime numbers generation | 25.7 millions/s 0 % | 8.9 millions/s 65.3 % |
| Mathemathic operations (integer) | 18754.1 millions/s 0 % | 5191.2 millions/s 72.3 % |
| Mathemathic operations (float) | 7938.1 millions/s 0 % | 3079.4 millions/s 61.2 % |
Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i7-975, Core2 Duo E8400.
| Average frames per second | Core i7-975 | Core2 Duo E8400 |
|---|---|---|
| Screen resolution: 1920 × 1080 pixels Change | ||
| Ultra settings | 69.8 FPS | 43.0 FPS |
| High settings | 111.7 FPS | 68.8 FPS |
| Medium settings | 139.6 FPS | 86.0 FPS |
| Low settings | 174.5 FPS | 107.5 FPS |
| Difference | 0 % | 38.4 % |
Comparison of FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) in game 1920 × 1080 (FHD (1080p)) for Grand Theft Auto V.
| Grand Theft Auto V | Core i7-975 | Core2 Duo E8400 |
|---|---|---|
| Screen resolution: 1920 × 1080 pixels Change | ||
| Ultra settings | 118.9 FPS | 102.9 FPS |
| High settings | 190.2 FPS | 164.6 FPS |
| Medium settings | 237.8 FPS | 205.7 FPS |
| Low settings | 297.2 FPS | 257.2 FPS |
| Difference | 0 % | 13.5 % |
