Intel Core 2 Duo E4700 vs Intel Core 2 Extreme QX9770
Physical Specifications
| Socket | Intel Socket 775 | Intel Socket 775 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 65 nm | 45 nm |
| Transistors | 167 million | 820 million |
| Die size | 111 mm² | 2x 107 mm² |
| Package | FC-LGA6 | FC-LGA4 |
| tCaseMax | — | 55°C |
Performance
| Frequency | 2.6 GHz | 3.2 GHz |
|---|---|---|
| Turbo clock | — | — |
| Base clock | 200 MHz | 400 MHz |
| Multiplier | 13.0x | 8.0x |
| Multiplier unlocked | No | Yes |
| Voltage | 0.9 V | 1.35 V |
| TDP | 65 W | 136 W |
Architecture Details
| Vertical Segment | Desktop | Desktop |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Mar 2nd, 2008 | Mar 24th, 2008 |
| Codename | Allendale | Yorkfield |
| Generation | Core 2 Duo | Core 2 Extreme |
| Part | HH80557PG0642M | SLAWM |
| 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 | 2 | 4 |
|---|---|---|
| Total Threads | 2 | 4 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 64K | 64K (per core) |
|---|---|---|
| Cache L2 | 2MB | 12MB (shared) |
Features & Technologies
| EIST | Yes | Yes |
|---|---|---|
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | — | Yes |
| SSSE3 | — | Yes |
| VT | Yes | — |
| VT-x | — | Yes |
| iAMT2 | Yes | — |
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. |
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