Intel Xeon E5-2660 vs Intel Xeon E7-8880 v3
Physical Specifications
| Socket | Intel Socket 2011 | Intel Socket 2011-3 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 32 nm | 22 nm |
| Transistors | 2,270 million | 1,400 million |
| Die size | 435 mm² | 160 mm² |
| Package | FC-LGA10 | FC-LGA12C |
| tCaseMax | — | 77°C |
Performance
| Frequency | 2.2 GHz | 2.3 GHz |
|---|---|---|
| Turbo clock | up to 3 GHz | up to 3.1 GHz |
| Base clock | 100 MHz | 100 MHz |
| Multiplier | 22.0x | 23.0x |
| Multiplier unlocked | No | No |
| Voltage | 1.35 V | — |
| TDP | 95 W | 150 W |
Architecture Details
| Vertical Segment | Server/Workstation | Server/Workstation |
|---|---|---|
| Production status | unknown | Active |
| Release date | Mar 6th, 2012 | Jun 1st, 2015 |
| Codename | Sandy Bridge-EP | Haswell-EX |
| Generation | Xeon E5 | Xeon E7 |
| Part | SR0GZSR0KK | SR21X |
| Memory support | DDR3 Quad-channel | DDR3, DDR41866 MHz Dual-channel |
| ECC memory | Yes | Yes |
| PCI Express | Gen 3 | Gen 3, 32 Lanes(CPU only) |
Cores
| Total Cores | 8 | 18 |
|---|---|---|
| Total Threads | 16 | 36 |
| SMP # CPUs | 2 | 8 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 256K (per core) |
| Cache L3 | 20MB (shared) | 45MB (shared) |
Features & Technologies
| 8.0GT/s QPI | Yes | — |
|---|---|---|
| AES-NI | Yes | Yes |
| AVX | Yes | Yes |
| AVX2 | — | Yes |
| BMI1 | — | Yes |
| BMI2 | — | Yes |
| ECC | — | Yes |
| EIST | Yes | Yes |
| F16C | — | Yes |
| FMA3 | — | 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 |
| vPro | — | Yes |
| x8 SDDC | — | Yes |
