Intel Core i7-990X vs Intel Xeon E3-1285 v6
Physical Specifications
| Socket | Intel Socket 1366 | Intel Socket 1151 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 32 nm | 14 nm |
| Transistors | 1,170 million | 1,400 million |
| Die size | 239 mm² | 160 mm² |
| Package | FC-LGA10 | FC-LGA14C |
Performance
| Frequency | 3.466 GHz | 4.1 GHz |
|---|---|---|
| Turbo clock | up to 3.733 GHz | up to 4.5 GHz |
| Base clock | 133 MHz | 100 MHz |
| Multiplier | 26.0x | 41.0x |
| Multiplier unlocked | Yes | No |
| Voltage | 1.375 V | — |
| TDP | 130 W | 79 W |
Architecture Details
| Vertical Segment | Desktop | Server/Workstation |
|---|---|---|
| Production status | End-of-life | unknown |
| Release date | Feb 24th, 2011 | Aug 1st, 2017 |
| Codename | Gulftown | Kaby Lake-DT |
| Generation | Core i7 | Xeon E3 |
| Part | SLBVZ | SR373 |
| Memory support | DDR3 Triple-channel | DDR4 Dual-channel |
| ECC memory | No | Yes |
| PCI Express | Gen 2 | Gen 3, 16 Lanes(CPU only) |
Cores
| Total Cores | 6 | 4 |
|---|---|---|
| Total Threads | 12 | 8 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | HD Graphics P630 |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 256K (per core) |
| Cache L3 | 12MB (shared) | 8MB (shared) |
Notes
| Notes | This processor comes with an unlocked FSB multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. It is branded under the Extreme Edition label. | — |
|---|
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 |
