Intel Core 2 Extreme QX9770 vs Intel Pentium D 965 EE
Physical Specifications
| Socket | Intel Socket 775 | Intel Socket 775 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 45 nm | 65 nm |
| Transistors | 820 million | 376 million |
| Die size | 2x 107 mm² | 140 mm² |
| Package | FC-LGA4 | FC-LGA4 |
| tCaseMax | 55°C | — |
Performance
| Frequency | 3.2 GHz | 3.73 GHz |
|---|---|---|
| Turbo clock | — | — |
| Base clock | 400 MHz | 266 MHz |
| Multiplier | 8.0x | 14.0x |
| Multiplier unlocked | Yes | No |
| Voltage | 1.35 V | 1.33 V |
| TDP | 136 W | 130 W |
Architecture Details
| Vertical Segment | Desktop | Desktop |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Mar 24th, 2008 | Mar 26th, 2006 |
| Codename | Yorkfield | Presler |
| Generation | Core 2 Extreme | Pentium D |
| Part | SLAWM | unknown |
| 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 | 2 |
|---|---|---|
| Total Threads | 4 | 4 |
| SMP # CPUs | 1 | 2 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 64K (per core) | 28K |
|---|---|---|
| Cache L2 | 12MB (shared) | 4MB |
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 |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | Yes | — |
| SSSE3 | Yes | — |
| VT-x | Yes | — |
