Intel Core 2 Extreme QX9775 vs Intel Core i7-860S
Physical Specifications
| Socket | Intel Socket 771 | 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-LGA6 | FC-LGA6 |
| tCaseMax | 63°C | — |
Performance
| Frequency | 3.2 GHz | 2.533 GHz |
|---|---|---|
| Turbo clock | — | up to 3.466 GHz |
| Base clock | 400 MHz | 133 MHz |
| Multiplier | 8.0x | 19.0x |
| Multiplier unlocked | Yes | No |
| Voltage | 1.35 V | 1.4 V |
| TDP | 150 W | 82 W |
Architecture Details
| Vertical Segment | Desktop | Desktop |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Mar 24th, 2008 | Jan 7th, 2010 |
| Codename | Yorkfield | Lynnfield |
| Generation | Core 2 Extreme | Core i7 |
| Part | EU80574XL088N | SLBLG |
| Memory support | DDR2 | DDR3 Dual-channel |
| ECC memory | No | No |
| PCI Express | — | 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 | Being an Extreme Edition processor, it features an unlocked FSB multiplier that allows users to set the multiplier value above its shipped value. Unlike the QX9770, this chip uses the LGA-771 socket and is only compatible with Intel D5400XS "Skulltrail", | — |
|---|
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 |
