Intel Core i9-7980XE vs Intel Core i9-9940X
Physical Specifications
| Socket | Intel Socket 2066 | Intel Socket 2066 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 14 nm | 14 nm |
| Transistors | unknown | unknown |
| Die size | unknown | unknown |
| Package | FC-LGA2066 | FC-LGA2066 |
Performance
| Frequency | 2.6 GHz | 3.3 GHz |
|---|---|---|
| Turbo clock | up to 4.4 GHz | up to 4.5 GHz |
| Base clock | 100 MHz | 100 MHz |
| Multiplier | 26.0x | 33.0x |
| Multiplier unlocked | Yes | Yes |
| TDP | 165 W | 165 W |
Architecture Details
| Vertical Segment | Desktop | Desktop |
|---|---|---|
| Production status | Active | Active |
| Release date | Sep 1st, 2017 | Oct 19th, 2018 |
| Codename | Skylake-X | Skylake-X |
| Generation | Core i9 Extreme | Core i9 |
| Part | unknown | BX80673I99940XCD8067304175600SREZ5 |
| Memory support | DDR4 Quad-channel | DDR4 Quad-channel |
| ECC memory | No | No |
| PCI Express | Gen 3 | Gen 3 |
Cores
| Total Cores | 18 | 14 |
|---|---|---|
| Total Threads | 36 | 28 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 1MB (per core) | 1MB (per core) |
| Cache L3 | 24.75MB (shared) | 19.25MB (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. | 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
| AES-NI | Yes | Yes |
|---|---|---|
| AVX | Yes | Yes |
| AVX-512 | Yes | Yes |
| AVX2 | Yes | Yes |
| BMI1 | Yes | Yes |
| BMI2 | Yes | Yes |
| Boost 2.0 | Yes | Yes |
| Boost 3.0 | Yes | Yes |
| CLMUL | Yes | Yes |
| EIST | Yes | Yes |
| F16C | Yes | Yes |
| FMA3 | Yes | 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 | Yes |
| TXT | Yes | Yes |
| VT-d | Yes | Yes |
| VT-x | Yes | Yes |
| XD bit | Yes | Yes |
