Intel Core i7-990X vs Intel Xeon E3-1275
Fisico
| Presa | Intel Socket 1366 | Intel Socket 1155 |
|---|---|---|
| Fonderia | Intel | Intel |
| Dimensione del processo | 32 nm | 32 nm |
| Transistor | 1,170 million | 1,160 million |
| Dimensione stampo | 239 mm² | 216 mm² |
| Pacchetto | FC-LGA10 | FC-LGA10 |
Prestazione
| Frequenza | 3.466 GHz | 3.4 GHz |
|---|---|---|
| Turbo clock | up to 3.733 GHz | up to 3.8 GHz |
| Clock di base | 133 MHz | 100 MHz |
| Moltiplicatore | 26.0x | 34.0x |
| Moltiplicatore sbloccato | Yes | No |
| Voltaggio | 1.375 V | — |
| TDP | 130 W | 95 W |
Architettura
| Mercato | Desktop | Server/Workstation |
|---|---|---|
| Stato di produzione | End-of-life | End-of-life |
| Data di rilascio | Feb 24th, 2011 | Apr 3rd, 2011 |
| Nome in codice | Gulftown | Sandy Bridge |
| Generazione | Core i7 | Xeon E3 |
| Parte | SLBVZ | SR00P |
| Supporto memoria | DDR3 Triple-channel | DDR3 Dual-channel |
| Memoria ECC | No | Yes |
| PCI Express | Gen 2 | Gen 3, 16 Lanes(CPU only) |
Core
| Numero di core | 6 | 4 |
|---|---|---|
| Numero di threads | 12 | 8 |
| SMP # CPUs | 1 | 1 |
| Grafica integrata | — | Intel HD P3000 |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 256K (per core) |
| Cache L3 | 12MB (shared) | 8MB (shared) |
Note
| Note | 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. | — |
|---|
Caratteristiche
| AES-NI | — | Yes |
|---|---|---|
| AVX | — | Yes |
| EIST | — | Yes |
| HTT | Yes | Yes |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.2 | Yes | Yes |
| SSSE3 | — | Yes |
| TXT | — | Yes |
| VT-d | — | Yes |
| VT-x | — | Yes |
| XD bit | — | Yes |
