Intel Core i9-11900KB vs Intel Xeon W-11955M
Physical Specifications
| Socket | Intel BGA 1499 | Intel BGA 1499 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 10 nm | 10 nm |
| Transistors | unknown | unknown |
| Die size | unknown | unknown |
| Package | FC-BGA1499 | FC-BGA1499 |
| tCaseMax | 72°C | 72°C |
| tJMax | 100°C | 100°C |
Performance
| Frequency | 3.3 GHz | 2.6 GHz |
|---|---|---|
| Turbo clock | up to 5.3 GHz | up to 5 GHz |
| Base clock | 100 MHz | 100 MHz |
| Multiplier | 33.0x | 26.0x |
| Multiplier unlocked | Yes | No |
| TDP | 65 W | 35 W |
Architecture Details
| Vertical Segment | Mobile | Server/Workstation |
|---|---|---|
| Production status | Active | Active |
| Release date | 2021 | May 11th, 2021 |
| Codename | Tiger Lake-H | Tiger Lake-H |
| Generation | Core i9 | Xeon |
| Part | unknown | unknown |
| Memory support | DDR4-3200 MHz | DDR4-3200 MHz |
| ECC memory | No | No |
| PCI Express | Gen 4, 20 Lanes(CPU only) | Gen 4, 20 Lanes(CPU only) |
Cores
| Total Cores | 8 | 8 |
|---|---|---|
| Total Threads | 16 | 16 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | UHD Graphics 750 | UHD Graphics 750 |
Cache
| Cache L1 | 96K (per core) | 96K (per core) |
|---|---|---|
| Cache L2 | 1.25MB (per core) | 1.25MB (per core) |
| Cache L3 | 24MB (shared) | 24MB (shared) |
Features & Technologies
| AES-NI | Yes | Yes |
|---|---|---|
| AVX | Yes | Yes |
| AVX-512 | Yes | Yes |
| AVX2 | Yes | Yes |
| BMI1 | Yes | Yes |
| BMI2 | 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 |
| SIPP | — | 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 |
| vPro | — | Yes |
