Intel Core i7-990X vs Intel Xeon E3-1275
Physique
| Socket | Intel Socket 1366 | Intel Socket 1155 |
|---|---|---|
| Fonderie | Intel | Intel |
| Taille du processus | 32 nm | 32 nm |
| Transistors | 1,170 million | 1,160 million |
| Taille des matrices | 239 mm² | 216 mm² |
| Package | FC-LGA10 | FC-LGA10 |
Performance
| Fréquence | 3.466 GHz | 3.4 GHz |
|---|---|---|
| Turbo clock | up to 3.733 GHz | up to 3.8 GHz |
| Base clock | 133 MHz | 100 MHz |
| Multiplicateur | 26.0x | 34.0x |
| Multiplicateur débloqué | Yes | No |
| Tension | 1.375 V | — |
| TDP | 130 W | 95 W |
Architecture
| Marché | Desktop | Server/Workstation |
|---|---|---|
| État de la production | End-of-life | End-of-life |
| Date de sortie | Feb 24th, 2011 | Apr 3rd, 2011 |
| Nom de code | Gulftown | Sandy Bridge |
| Génération | Core i7 | Xeon E3 |
| Part | SLBVZ | SR00P |
| Support mémoire | DDR3 Triple-channel | DDR3 Dual-channel |
| La mémoire du CEC | No | Yes |
| PCI Express | Gen 2 | Gen 3, 16 Lanes(CPU only) |
Cœurs
| Nombre de cœurs | 6 | 4 |
|---|---|---|
| Nombre de threads | 12 | 8 |
| SMP # CPUs | 1 | 1 |
| Cartes graphiques intégrées | — | 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) |
Remarques
| Remarques | 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. | — |
|---|
Caractéristiques
| 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 |
