Intel Core 2 Extreme QX9770 vs Intel Core 2 Quad Q9550
Physical Specifications
| Socket | Intel Socket 775 | Intel Socket 775 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 45 nm | 45 nm |
| Transistors | 820 million | 820 million |
| Die size | 2x 107 mm² | 2x 107 mm² |
| Package | FC-LGA4 | FC-LGA6 |
| tCaseMax | 55°C | 71°C |
Performance
| Frequency | 3.2 GHz | 2.833 GHz |
|---|---|---|
| Turbo clock | — | — |
| Base clock | 400 MHz | 333 MHz |
| Multiplier | 8.0x | 8.5x |
| Multiplier unlocked | Yes | No |
| Voltage | 1.35 V | 1.11 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 | Mar 25th, 2008 |
| Codename | Yorkfield | Yorkfield |
| Generation | Core 2 Extreme | Core 2 Quad |
| Part | SLAWM | SLAWQSLB8V |
| Memory support | DDR1, DDR2, DDR3 Dual-channel | DDR1, DDR2, DDR3 Dual-channel |
| ECC memory | No | No |
| PCI Express | Gen 2 | Gen 2 |
Cores
| Total Cores | 4 | 4 |
|---|---|---|
| Total Threads | 4 | 4 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 12MB (shared) | 12MB (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. | Also available with E0 Stepping, Part #: SLB8V, Released in August 2008 |
|---|
Features & Technologies
| EIST | Yes | Yes |
|---|---|---|
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | Yes | Yes |
| SSSE3 | Yes | — |
| TXT | — | Yes |
| VT-x | Yes | Yes |
| iAMT2 | — | Yes |
