Intel Core i7 875 K Performance and Overclocking
Published by Marc Büchel on 12.08.10Page:
Specifications
| i5 750 | i7 870 | i7 875 K | i7 975 XE | i7 980 X | |
| Codename | Lynnfield | Lynnfield | Lynnfield | Nehalem | Nehalem |
| Socket | LGA 1156 | LGA 1156 | LGA 1156 | LGA 1366 | LGA 1366 |
| Manufacturing | 45 nm | 45 nm | 45 nm | 45 nm | 32 nm |
| Transistors | 774 Mio | 774 Mio | 774 Mio | 731 Mio | 1.17 Bio |
| Die-size | 296 mm2 | 296 mm2 | 296 mm2 | 263 mm2 | 248 mm2 |
| Clock | 2.66 GHz | 2.93 GHz | 2.93 GHz | 3.33 GHz | 3.33 GHz |
| Cores | 4C / 4T | 4C / 8T | 4C / 8T | 4C / 8T | 6C / 12T |
| Turbo | Yes | Yes | Yes | Yes (+266 MHz) | Yes (+266 MHz) |
| Bus Speed | 133 MHz | 133 MHz | 133 MHz | 133 MHz | 133 MHz |
| Memory | DDR3 | DDR3 | DDR3 | DDR3 | DDR3 |
| Memory controller | Dual Channel | Dual Channel | Dual Channel | Triple Channel | Triple Channel |
| QPI | 4.26 GT/s | 4.26 GT/s | 4.26 GT/s | 6.4 GT/s | 6.4 GT/s |
| L1 Execution Cache | 32 KByte | 32 KByte | 32 KByte | 32 KByte | 32 KByte |
| L1 Data Cache | 32 KByte | 32 KByte | 32 KByte | 32 KByte | 32 KByte |
| L2 Cache | 256 KByte | 256 KByte | 256 KByte | 256 KByte | 256 KByte |
| L3 Cache | 8 MB shared | 8 MB shared | 8 MB shared | 8 MB shared | 12 MB shared |
| TDP | 95 Watt | 95 Watt | 95 Watt | 130 Watt | 130 Watt |
| C1E technology | Yes | Yes | Yes | Yes | Yes |
| Enhanced Intel Speed Step | Yes | Yes | Yes | Yes | Yes |
| Virtualisation | Vanderpool | Vanderpool | Vanderpool | Vanderpool | Vanderpool |
| Instruction sets | MMX, SSE, SSE2, SSE3 SSE4.2, EM64T |
MMX, SSE, SSE2, SSE3 SSE4.2, EM64T |
MMX, SSE, SSE2, SSE3 SSE4.2, EM64T |
MMX, SSE, SSE2, SSE3 SSE4.2, EM64T |
MMX, SSE, SSE2, SSE3 SSE4.2, EM64T |
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