Intel Core i7 - 965/920 - architecture and performance
Published by Jean-Luc Hadey on 03.11.08Page:
Specifications
| Intel Core I7-9xx | Intel Core 2 Duo | Intel Core 2 Quad | |
| Model | I7-965, I7-940, I7-920 | E8600, E8500, E8400 E8300, E8200, E8190 E7300, E7200 | Q9650, Q9550, Q9450 Q9400, Q9300, Q8200 |
| Codename | Nehalem | Wolfdale | Yorkfield |
| Socket | LGA-1366 | LGA 775 | LGA 775 |
| Process | 45 nm | 45 nm | 45 nm |
| Clock (GHz) | 2.66 - 3.22 GHz | 2.53 - 3.33 GHz | 2.33 - 3.00 Ghz |
| Cores | 4 | 2 | 4 |
| Hyper-Threading | Ja | Nein | Nein |
| Turbo Mode | Ja | Nein | Nein |
| Bus Speed | 133 MHz | 266 & 333 MHz Quad Pumped | 333 MHz Quad Pumped |
| Memory | DDR3 | DDR2 / DDR3 | DDR2 / DDR3 |
| Memory controller | Internal, Triple-Channel | External, Dual-Channel | External, Dual-Channel |
| QPI (QuickPath-Interconnect) | Ja | Nein | Nein |
| Transistors | 731 Mio | 167 oder 291Mio | 291 oder 410 Mio |
| Die-size | 263 mm2 | 107 mm2 | 2 x 107 mm2 |
| L1-Execution Cache | 32 KByte | 32 KByte | 32 KByte |
| L1-Data Cache | 32 KByte | 32 KByte | 32 KByte |
| L2 Cache | 256 KByte | 2 - 6 MB | 4 - 12 MB |
| L3 Cache | 8 MB shared | n. A. | n. A. |
| TDP | 130 Watt | 65 Watt | 95 Watt |
| C1E technology | Yes | Yes | Yes |
| Enhanced Intel SpeedStep (EIST) | Yes | Yes | Yes |
| Virtualisation | Vanderpool | Vanderpool | Vanderpool |
| Instruction sets | MMX, SSE, SSE2, SSE3 SSE4.2, EM64T | MMX, SSE, SSE2, SSE3 SSE4.1, EM64T | MMX, SSE, SSE2, SSE3 SSE4.1, EM64T |
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