Intel Xeon E3-1280 v2 vs Intel Xeon E5-2637
Physical Specifications
| Socket | Intel Socket 1155 | Intel Socket 2011 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 22 nm | 32 nm |
| Transistors | 1,400 million | 1,270 million |
| Die size | 160 mm² | 294 mm² |
| Package | FC-LGA12C | FC-LGA10 |
Performance
| Frequency | 3.6 GHz | 3 GHz |
|---|---|---|
| Turbo clock | up to 4 GHz | up to 3.5 GHz |
| Base clock | 100 MHz | 100 MHz |
| Multiplier | 36.0x | 30.0x |
| Multiplier unlocked | No | No |
| TDP | 69 W | 80 W |
| Voltage | — | 1.35 V |
Architecture Details
| Vertical Segment | Server/Workstation | Server/Workstation |
|---|---|---|
| Production status | unknown | unknown |
| Release date | May 14th, 2012 | Mar 6th, 2012 |
| Codename | Ivy Bridge | Sandy Bridge-EP |
| Generation | Xeon E3 | Xeon E5 |
| Part | SR0P7 | SR0LE |
| Memory support | DDR3 Dual-channel | DDR3 Quad-channel |
| ECC memory | Yes | Yes |
| PCI Express | Gen 3, 16 Lanes(CPU only) | Gen 3 |
Cores
| Total Cores | 4 | 2 |
|---|---|---|
| Total Threads | 8 | 4 |
| SMP # CPUs | 1 | 2 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 256K (per core) |
| Cache L3 | 8MB (shared) | 5MB (shared) |
Features & Technologies
| 8.0GT/s QPI | — | Yes |
|---|---|---|
| AES-NI | Yes | Yes |
| AVX | Yes | 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 | Yes |
| VT-x | Yes | Yes |
| XD bit | Yes | Yes |
