Key Differences
In short — Core i9-12900K outperforms Xeon E5645 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-12900K is 4251 days newer than Xeon E5645.
Advantages of Intel Core i9-12900K
- Performs up to 12% better in Crysis 3 Remastered than Xeon E5645 - 200 vs 178 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Xeon E5645 - 24 vs 12 threads
- Works without a dedicated GPU, while Intel Xeon E5645 doesn't have integrated graphics
Advantages of Intel Xeon E5645
- Consumes up to 36% less energy than Intel Core i9-12900K - 80 vs 125 Watts
Crysis 3 Remastered
Resolution
1920 x 1080
Game Graphics
Very High
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Very High
Core i9-12900K
Desktop • Nov 4th, 2021
Xeon E5645
Server/Workstation • Mar 16th, 2010
Geekbench 5 Benchmarks
Intel Core i9-12900K | vs | Intel Xeon E5645 |
|---|---|---|
Nov 4th, 2021 | Release Date | Mar 16th, 2010 |
| Core i9 | Collection | Xeon |
| Alder Lake | Codename | Westmere-EP |
| Intel Socket 1700 | Socket | Intel Socket 1366 |
Desktop | Segment | Server |
16 | Cores | 6 |
24 | Threads | 12 |
3.2 GHz | Base Clock Speed | 2.4 GHz |
5.2 GHz | Turbo Clock Speed | 2.7 GHz |
| 125 W | TDP | 80 W |
10 nm | Process Size | 32 nm |
32.0x | Multiplier | 18.0x |
UHD Graphics 770 | Integrated Graphics | None |
Yes | Overclockable | No |
