Intel Xeon E3-1280 v2 vs Intel Xeon E5640
Physique
| Socket | Intel Socket 1155 | Intel Socket 1366 |
|---|---|---|
| Fonderie | Intel | Intel |
| Taille du processus | 22 nm | 32 nm |
| Transistors | 1,400 million | 1,170 million |
| Taille des matrices | 160 mm² | 239 mm² |
| Package | FC-LGA12C | FC-LGA10 |
Performance
| Fréquence | 3.6 GHz | 2.666 GHz |
|---|---|---|
| Turbo clock | up to 4 GHz | up to 2.933 GHz |
| Base clock | 100 MHz | 133 MHz |
| Multiplicateur | 36.0x | 20.0x |
| Multiplicateur débloqué | No | No |
| TDP | 69 W | 80 W |
| Tension | — | 1.35 V |
Architecture
| Marché | Server/Workstation | Server/Workstation |
|---|---|---|
| État de la production | unknown | End-of-life |
| Date de sortie | May 14th, 2012 | Mar 16th, 2010 |
| Nom de code | Ivy Bridge | Westmere-EP |
| Génération | Xeon E3 | Xeon |
| Part | SR0P7 | SLBVC |
| Support mémoire | DDR3 Dual-channel | DDR3 Triple-channel |
| La mémoire du CEC | Yes | Yes |
| PCI Express | Gen 3, 16 Lanes(CPU only) | Gen 2 |
Cœurs
| Nombre de cœurs | 4 | 4 |
|---|---|---|
| Nombre de threads | 8 | 8 |
| 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 | 8MB (shared) | 12MB (shared) |
Caractéristiques
| 5.86GT/s QPI | — | Yes |
|---|---|---|
| AES-NI | Yes | Yes |
| AVX | Yes | — |
| ECC | Yes | — |
| EIST | Yes | 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-d | Yes | — |
| VT-x | Yes | Yes |
| XD bit | Yes | — |
| XD-Bit | — | Yes |
