Intel Core i7-970 vs Intel Xeon E3-1275 v3
Physical Specifications
| Socket | Intel Socket 1366 | Intel Socket 1150 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 32 nm | 22 nm |
| Transistors | 1,170 million | 1,400 million |
| Die size | 239 mm² | 160 mm² |
| Package | FC-LGA10 | FC-LGA12C |
Performance
| Frequency | 3.2 GHz | 3.5 GHz |
|---|---|---|
| Turbo clock | up to 3.466 GHz | up to 3.9 GHz |
| Base clock | 133 MHz | 100 MHz |
| Multiplier | 24.0x | 35.0x |
| Multiplier unlocked | No | No |
| Voltage | 1.3 V | — |
| TDP | 130 W | 84 W |
Architecture Details
| Vertical Segment | Desktop | Server/Workstation |
|---|---|---|
| Production status | End-of-life | unknown |
| Release date | Jul 19th, 2010 | Jun 2nd, 2013 |
| Codename | Gulftown | Haswell-WS |
| Generation | Core i7 | Xeon E3 |
| Part | SLBVF | SR14S |
| Memory support | DDR3 Triple-channel | DDR3, DDR4 Dual-channel |
| ECC memory | No | Yes |
| PCI Express | Gen 2 | Gen 3 |
Cores
| Total Cores | 6 | 4 |
|---|---|---|
| Total Threads | 12 | 8 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | Intel HD P4600 |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 256K (per core) |
| Cache L3 | 12MB (shared) | 8MB (shared) |
Features & Technologies
| AES-NI | — | Yes |
|---|---|---|
| AVX | — | Yes |
| AVX2 | — | Yes |
| BMI1 | — | Yes |
| BMI2 | — | Yes |
| ECC | — | Yes |
| EIST | — | 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 |
| TXT | — | Yes |
| VT-d | — | Yes |
| VT-x | — | Yes |
| XD bit | — | Yes |
| vPro | — | Yes |
| x8 SDDC | — | Yes |
