Intel Core 2 Extreme QX9770 vs Intel Core i7-860
Physical Specifications
| Socket | Intel Socket 775 | Intel Socket 1156 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 45 nm | 45 nm |
| Transistors | 820 million | 774 million |
| Die size | 2x 107 mm² | 296 mm² |
| Package | FC-LGA4 | FC-LGA8 |
| tCaseMax | 55°C | — |
Performance
| Frequency | 3.2 GHz | 2.8 GHz |
|---|---|---|
| Turbo clock | — | up to 3.466 GHz |
| Base clock | 400 MHz | 133 MHz |
| Multiplier | 8.0x | 21.0x |
| Multiplier unlocked | Yes | No |
| Voltage | 1.35 V | 1.4 V |
| TDP | 136 W | 95 W |
Architecture Details
| Vertical Segment | Desktop | Desktop |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Mar 24th, 2008 | Sep 8th, 2009 |
| Codename | Yorkfield | Lynnfield |
| Generation | Core 2 Extreme | Core i7 |
| Part | SLAWM | SLBJJ |
| Memory support | DDR1, DDR2, DDR3 Dual-channel | DDR3 Dual-channel |
| ECC memory | No | No |
| PCI Express | Gen 2 | Gen 2, 16 Lanes(CPU only) |
Cores
| Total Cores | 4 | 4 |
|---|---|---|
| Total Threads | 4 | 8 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 12MB (shared) | 256K (per core) |
| Cache L3 | — | 8MB (shared) |
Notes
| Notes | This processor comes with an unlocked FSB multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. It is branded under the Extreme Edition label. | — |
|---|
Features & Technologies
| EIST | Yes | Yes |
|---|---|---|
| HTT | — | Yes |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SMT | — | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | Yes | — |
| SSE4.2 | — | Yes |
| SSSE3 | Yes | — |
| TXT | — | Yes |
| VT-x | Yes | Yes |
| XD-Bit | — | Yes |
