Intel Xeon E5-2650 vs Intel Xeon E7-8870
Physique
| Socket | Intel Socket 2011 | Intel Socket 1567 |
|---|---|---|
| Fonderie | Intel | Intel |
| Taille du processus | 32 nm | 32 nm |
| Transistors | 2,270 million | 2,600 million |
| Taille des matrices | 435 mm² | 513 mm² |
| Package | FC-LGA10 | FC-LGA10 |
Performance
| Fréquence | 2000 MHz | 2.4 GHz |
|---|---|---|
| Turbo clock | up to 2.8 GHz | up to 2.8 GHz |
| Base clock | 100 MHz | 133 MHz |
| Multiplicateur | 20.0x | 18.0x |
| Multiplicateur débloqué | No | No |
| Tension | 1.35 V | 1.35 V |
| TDP | 95 W | 130 W |
Architecture
| Marché | Server/Workstation | Server/Workstation |
|---|---|---|
| État de la production | unknown | End-of-life |
| Date de sortie | Mar 6th, 2012 | Apr 3rd, 2011 |
| Nom de code | Sandy Bridge-EP | Westmere-EX |
| Génération | Xeon E5 | Xeon E7 |
| Part | SR0H4SR0KQ | SLC3E |
| Support mémoire | DDR3 Quad-channel | DDR3 |
| La mémoire du CEC | Yes | Yes |
| PCI Express | Gen 3 | — |
Cœurs
| Nombre de cœurs | 8 | 10 |
|---|---|---|
| Nombre de threads | 16 | 20 |
| SMP # CPUs | 2 | 8 |
| Cartes graphiques intégrées | — | — |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 256K (per core) |
| Cache L3 | 20MB (shared) | 30MB (shared) |
Caractéristiques
| 8.0GT/s QPI | Yes | — |
|---|---|---|
| AES-NI | Yes | Yes |
| AVX | Yes | — |
| DDDC | — | Yes |
| EIST | Yes | Yes |
| EPT | — | 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 | Yes |
| TXT | Yes | Yes |
| VT-c | — | Yes |
| VT-d | Yes | Yes |
| VT-x | Yes | Yes |
| XD bit | Yes | — |
| XD-Bit | — | Yes |
