Intel Core i7-9800X vs Intel Core i9-9900K
Physical Specifications
| Socket | Intel Socket 2066 | Intel Socket 1151 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 14 nm | 14 nm |
| Transistors | unknown | unknown |
| Die size | unknown | 180 mm² |
| Package | FC-LGA2066 | FC-LGA14C |
| tCaseMax | 72°C | 72°C |
| tJMax | — | 100°C |
Performance
| Frequency | 3.8 GHz | 3.6 GHz |
|---|---|---|
| Turbo clock | up to 4.4 GHz | up to 5 GHz |
| Base clock | 100 MHz | 100 MHz |
| Multiplier | 38.0x | 36.0x |
| Multiplier unlocked | Yes | Yes |
| TDP | 165 W | 95 W |
| PL1 | — | 95 W |
| PL2 | — | 119 W |
Architecture Details
| Vertical Segment | Desktop | Desktop |
|---|---|---|
| Production status | Active | Active |
| Release date | Oct 19th, 2018 | Oct 19th, 2018 |
| Codename | Skylake-X | Coffee Lake-R |
| Generation | Core i7 | Core i9 |
| Part | BX80673I79800XBXC80673I79800XCD8067304126100SREZ9 | BX80684I99900KBXC80684I99900KCM8068403873914SRELS |
| Memory support | DDR4 Quad-channel | DDR4-2666 MHz Dual-channel |
| ECC memory | No | No |
| PCI Express | Gen 3 | Gen 3, 16 Lanes(CPU only) |
| Chipset | — | Z390 |
Cores
| Total Cores | 8 | 8 |
|---|---|---|
| Total Threads | 16 | 16 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | UHD 630 |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 1MB (per core) | 256K (per core) |
| Cache L3 | 16.5MB (shared) | 16MB (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 | — |
| AVX2 | Yes | Yes |
| BMI1 | Yes | Yes |
| BMI2 | Yes | Yes |
| Boost 2.0 | Yes | Yes |
| Boost 3.0 | 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 |
