Intel Core i7-7820X vs Intel Xeon E5-2643
Physical Specifications
| Socket | Intel Socket 2066 | Intel Socket 2011 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 14 nm | 32 nm |
| Transistors | unknown | 1,270 million |
| Die size | unknown | 294 mm² |
| Package | FC-LGA2066 | FC-LGA10 |
| tCaseMax | 72°C | — |
Performance
| Frequency | 3.6 GHz | 3.3 GHz |
|---|---|---|
| Turbo clock | up to 4.5 GHz | up to 3.5 GHz |
| Base clock | 100 MHz | 100 MHz |
| Multiplier | 36.0x | 33.0x |
| Multiplier unlocked | Yes | No |
| TDP | 140 W | 130 W |
| Voltage | — | 1.35 V |
Architecture Details
| Vertical Segment | Desktop | Server/Workstation |
|---|---|---|
| Production status | Active | unknown |
| Release date | Jun 26th, 2017 | Mar 6th, 2012 |
| Codename | Skylake-X | Sandy Bridge-EP |
| Generation | Core i7 | Xeon E5 |
| Part | unknown | SR0L7 |
| Memory support | DDR4 Quad-channel | DDR3 Quad-channel |
| ECC memory | No | Yes |
| PCI Express | Gen 3 | Gen 3 |
Cores
| Total Cores | 8 | 4 |
|---|---|---|
| Total Threads | 16 | 8 |
| SMP # CPUs | 1 | 2 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 1MB (per core) | 256K (per core) |
| Cache L3 | 11MB (shared) | 10MB (shared) |
Notes
| Notes | This processor comes with an unlocked BCLK multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. | — |
|---|
Features & Technologies
| 8.0GT/s QPI | — | Yes |
|---|---|---|
| AES-NI | Yes | Yes |
| AVX | Yes | Yes |
| AVX-512 | Yes | — |
| AVX2 | Yes | — |
| BMI1 | Yes | — |
| BMI2 | Yes | — |
| Boost 2.0 | Yes | — |
| CLMUL | 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 |
| TSX | Yes | — |
| TXT | Yes | Yes |
| VT-d | Yes | Yes |
| VT-x | Yes | Yes |
| XD bit | Yes | Yes |
