Intel Core i7-990X vs Intel Xeon L5638
Physique
| Socket | Intel Socket 1366 | Intel Socket 1366 |
|---|---|---|
| Fonderie | Intel | Intel |
| Taille du processus | 32 nm | 32 nm |
| Transistors | 1,170 million | 1,170 million |
| Taille des matrices | 239 mm² | 239 mm² |
| Package | FC-LGA10 | FC-LGA10 |
Performance
| Fréquence | 3.466 GHz | 2000 MHz |
|---|---|---|
| Turbo clock | up to 3.733 GHz | up to 2.4 GHz |
| Base clock | 133 MHz | 133 MHz |
| Multiplicateur | 26.0x | 15.0x |
| Multiplicateur débloqué | Yes | No |
| Tension | 1.375 V | 1.35 V |
| TDP | 130 W | 60 W |
Architecture
| Marché | Desktop | Server/Workstation |
|---|---|---|
| État de la production | End-of-life | End-of-life |
| Date de sortie | Feb 24th, 2011 | Mar 16th, 2010 |
| Nom de code | Gulftown | Westmere-EP |
| Génération | Core i7 | Xeon |
| Part | SLBVZ | SLBWY |
| Support mémoire | DDR3 Triple-channel | DDR3 Triple-channel |
| La mémoire du CEC | No | Yes |
| PCI Express | Gen 2 | Gen 2 |
Cœurs
| Nombre de cœurs | 6 | 6 |
|---|---|---|
| Nombre de threads | 12 | 12 |
| SMP # CPUs | 1 | 2 |
| Cartes graphiques intégrées | — | — |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 256K (per core) |
| Cache L3 | 12MB (shared) | 12MB (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
| 5.86GT/s QPI | — | Yes |
|---|---|---|
| AES-NI | — | 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-x | — | Yes |
| XD-Bit | — | Yes |
