Key Differences
In short — Core i9-12900K outperforms Pentium G645 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-12900K is 3350 days newer than Pentium G645.
Advantages of Pentium G645
- Consumes up to 48% less energy than Intel Core i9-12900K - 65 vs 125 Watts
Advantages of Core i9-12900K
- Performs up to 13% better in Forza Horizon 4 than Pentium G645 - 336 vs 297 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Pentium G645 - 24 vs 2 threads
Forza Horizon 4
Resolution
1920 x 1080
Game Graphics
Max
My Games
With selected game settings
Resolution
1920 x 1080
Game Graphics
Max
Pentium G645
Desktop • Sep 2nd, 2012
Core i9-12900K
Desktop • Nov 4th, 2021
Geekbench 5 Benchmarks
Pentium G645 | vs | Core i9-12900K |
|---|---|---|
| Sep 2nd, 2012 | Release Date | Nov 4th, 2021 |
| Pentium | Collection | Core i9 |
| Sandy Bridge | Codename | Alder Lake |
| Intel Socket 1155 | Socket | Intel Socket 1700 |
Desktop | Segment | Desktop |
| 2 | Cores | 16 |
| 2 | Threads | 24 |
| 2.9 GHz | Base Clock Speed | 3.2 GHz |
| Non-Turbo | Turbo Clock Speed | 5.2 GHz |
65 W | TDP | 125 W |
| 32 nm | Process Size | 10 nm |
| 29.0x | Multiplier | 32.0x |
| Intel HD (Sandy Bridge) | Integrated Graphics | UHD Graphics 770 |
| No | Overclockable | Yes |
