Intel Core i7-870S vs Intel Xeon E5-2603
Physical Specifications
| Socket | Intel Socket 1156 | Intel Socket 2011 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 45 nm | 32 nm |
| Transistors | 774 million | 1,270 million |
| Die size | 296 mm² | 294 mm² |
| Package | FC-LGA8 | FC-LGA10 |
Performance
| Frequency | 2.666 GHz | 1800 MHz |
|---|---|---|
| Turbo clock | up to 3.6 GHz | — |
| Base clock | 133 MHz | 100 MHz |
| Multiplier | 20.0x | 18.0x |
| Multiplier unlocked | No | No |
| Voltage | 1.4 V | 1.35 V |
| TDP | 82 W | 80 W |
Architecture Details
| Vertical Segment | Desktop | Server/Workstation |
|---|---|---|
| Production status | End-of-life | unknown |
| Release date | Jul 19th, 2010 | Mar 6th, 2012 |
| Codename | Lynnfield | Sandy Bridge-EP |
| Generation | Core i7 | Xeon E5 |
| Part | SLBQ7 | SR0LB |
| Memory support | DDR3 Dual-channel | DDR3 Quad-channel |
| ECC memory | No | Yes |
| PCI Express | Gen 2, 16 Lanes(CPU only) | Gen 3 |
Cores
| Total Cores | 4 | 4 |
|---|---|---|
| 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) | 10MB (shared) |
Features & Technologies
| 6.4GT/s QPI | — | Yes |
|---|---|---|
| AES-NI | — | Yes |
| AVX | — | Yes |
| EIST | — | Yes |
| HTT | Yes | — |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4 | Yes | — |
| SSE4.1 | Yes | — |
| SSE4.2 | Yes | Yes |
| SSSE3 | Yes | Yes |
| TBT | Yes | — |
| TXT | Yes | Yes |
| VT-d | Yes | Yes |
| VT-x | Yes | Yes |
| XD bit | — | Yes |
| XD-Bit | Yes | — |
