Intel Core 2 Extreme QX6700 vs Intel Xeon E5-2603 v2
Physical Specifications
| Socket | Intel Socket 775 | Intel Socket 2011 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 65 nm | 22 nm |
| Transistors | 582 million | 1,400 million |
| Die size | 2x 143 mm² | 160 mm² |
| Package | FC-LGA6 | — |
| tCaseMax | 64°C | — |
Performance
| Frequency | 2.666 GHz | 1800 MHz |
|---|---|---|
| Turbo clock | — | — |
| Base clock | 266 MHz | 100 MHz |
| Multiplier | 10.0x | 18.0x |
| Multiplier unlocked | Yes | No |
| Voltage | 1.34 V | — |
| TDP | 130 W | 80 W |
Architecture Details
| Vertical Segment | Desktop | Server/Workstation |
|---|---|---|
| Production status | End-of-life | unknown |
| Release date | Nov 1st, 2006 | Sep 1st, 2013 |
| Codename | Kentsfield | Ivy Bridge-EP |
| Generation | Core 2 Extreme | Xeon E5 |
| Part | SL9UL | SR1AY |
| Memory support | DDR1, DDR2, DDR3 Dual-channel | DDR3 Quad-channel |
| ECC memory | No | Yes |
| PCI Express | Gen 2 | Gen 3 |
Cores
| Total Cores | 4 | 4 |
|---|---|---|
| Total Threads | 4 | 4 |
| SMP # CPUs | 1 | 2 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 8MB (shared) | 256K (per core) |
| Cache L3 | — | 10MB (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
| AES-NI | — | Yes |
|---|---|---|
| AVX | — | Yes |
| ECC | — | Yes |
| EIST | Yes | Yes |
| EPT | — | Yes |
| F16C | — | Yes |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.2 | — | Yes |
| SSSE3 | Yes | Yes |
| TXT | — | Yes |
| VT-d | — | Yes |
| VT-x | Yes | Yes |
| XD bit | — | Yes |
| iAMT2 | Yes | — |
