Core i7-975
Core i7-875K
|
|
|
| General information | Core i7-975 | Core i7-875K |
|---|---|---|
| Launched | Q2 2009 | Q2 2010 |
| Used in | Desktop | Desktop |
| Factory | Intel | Intel |
| Socket | LGA1366 | LGA1156 |
| Series Name | Intel Core i7 Extreme | Intel Core i7 |
| Core Family Name | Bloomfield | Lynnfield |
| Clock | 3.3 GHz 0 % | 2.9 GHz 12.1 % |
| Turbo Clock | 3.6 GHz 0 % | 3.6 GHz 0 % |
| Cores | 4 0 % | 4 0 % |
| Threads | 8 0 % | 8 0 % |
| Thermal Design Power (TDP) | 130 W 0 % | 95 W 26.9 % |
| Lithography | 45 nm 0 % | 45 nm 0 % |
| L1 Cache |
4 × 32 kB Instruction
4 × 32 kB Data |
4 × 32 kB Instruction
4 × 32 kB Data |
| L2 Cache |
4 × 256 kB
|
4 × 256 kB
|
| L3 Cache |
1 × 8 MB
|
1 × 8 MB
|
| ECC Supported | No | No |
| Multithreading Supported | Yes | Yes |
| Performance | Core i7-975 | Core i7-875K |
| Overall Score | 38579 0 % | 37459 2.9 % |
| Future Proof | 13 % 27.8 % | 18 % 0 % |
| Benchmark Score | 2215 0 % | 1969 11.1 % |
| Single Thread Score | 1488 0 % | 1334.6 10.3 % |
| Encrypting Data | 5124.1 MB/s 0 % | 4563.5 MB/s 10.9 % |
| Compressing Data | 74.6 MB/s 0 % | 67 MB/s 10.1 % |
| String objects sorting | 10247.8 thousand/s 0 % | 9176.3 thousand/s 10.5 % |
| Prime numbers generation | 26 millions/s 0 % | 22.2 millions/s 14.9 % |
| Mathemathic operations (integer) | 18845.1 millions/s 0 % | 16428.8 millions/s 12.8 % |
| Mathemathic operations (float) | 8025.6 millions/s 0 % | 7245 millions/s 9.7 % |
Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i7-975, Core i7-875K.
| Average frames per second | Core i7-975 | Core i7-875K |
|---|---|---|
| Screen resolution: 1920 × 1080 pixels Change | ||
| Ultra settings | 69.7 FPS | 66.3 FPS |
| High settings | 111.5 FPS | 106.1 FPS |
| Medium settings | 139.4 FPS | 132.7 FPS |
| Low settings | 174.3 FPS | 165.9 FPS |
| Difference | 0 % | 4.8 % |
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 | Core i7-875K |
|---|---|---|
| Screen resolution: 1920 × 1080 pixels Change | ||
| Ultra settings | 118.8 FPS | 116.7 FPS |
| High settings | 190.0 FPS | 186.8 FPS |
| Medium settings | 237.5 FPS | 233.4 FPS |
| Low settings | 296.9 FPS | 291.8 FPS |
| Difference | 0 % | 1.7 % |
