Product Compare
Intel Xeon 638 vs Intel Core i9 12900KF
| CPU | CPU | |
|---|---|---|
| General Parameters | ||
| Release Date | Feb 2026 | Oct 2021 |
| Manufacturer | Intel | Intel |
| Type | Server | Desktop |
| Core Architecture | Granite Rapids | Alder Lake |
| Integrated Graphics | N/A | No |
| Generation | Xeon 600 (Granite Rapids-WS) | |
| Instruction Set | x86-64 | |
| Processor Number | i9-12900KF | |
| Package | ||
| Manufacturing Process | 5 nm | 10 nm |
| Socket | Intel Socket 4710 | LGA-1700 |
| Power Consumption | 180 W | 125 W |
| Peak Operating Temperature | 100°C | 100°C |
| Foundry | Intel | |
| Die Size | 598 mm² | |
| I/O Process Size | 10 nm | |
| I/O Die Size | 2x 241 | |
| Package | FC-LGA18N | |
| Max Turbo Power Consumption | 241 W | |
| CPU Performance | ||
| Performance Core Base Frequency | 3.2 GHz | 3.2 GHz |
| Performance Core Turbo Frequency | 4.8 GHz | 5.1 GHz |
| Total Core Count | 16 | 16 |
| Total Thread Count | 32 | 24 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 32.0 | 32x |
| L1 Cache | 112 KB per core | 64 K per core |
| L2 Cache | 2 MB per core | 14 MB shared |
| L3 Cache | 72 MB shared | 30 MB shared |
| Unlocked Multiplier | Yes | Yes |
| SMP | 1 | |
| Performance Cores | 8 | |
| Performance Core Threads | 16 | |
| Efficiency Cores | 8 | |
| Efficiency Core Threads | 8 | |
| Efficiency Core Base Frequency | 2.4 GHz | |
| Efficiency Core Turbo Frequency | 3.9 GHz | |
| Memory Parameters | ||
| Memory Types | DDR5-6400 | DDR5-4800, DDR4-3200 |
| Max Memory Channels | 4 | 2 |
| ECC Memory Support | Yes | Yes |
| Max Memory Size | 128 GB | |
| Max Memory Bandwidth | 76.8 GB/s | |
| Miscellaneous | ||
| PCIe Version | 5 | 5.0 |
| PCIe Lanes | 80 | 20 |
| Official Website | Official Link ↗ | |