Core i3-8100T vs Core i9-12900KF
The Core i3-8100T is much slower than the Core i9-12900KF on average across 100+ games. However, it's a much better value for money, as it's $295.40 cheaper!
FPS Comparison Across Popular Games
Predicted average FPS at 1080p, 1440p, and 4K, based on real game benchmarks.
Specs & Benchmark Comparison
Side-by-side specs, synthetic benchmarks, and key hardware differences.
Base Frequencyhelp
Core i9-12900KF has a 3% higher base clock.
LGA1151
Sockethelp
LGA1700Coffee Lake
Codenamehelp
Alder Lake-SDesktop
Segmenthelp
DesktopUHD Graphics 630
Integrated GPUhelp
No Integrated Graphics2400 MHz (DDR4)
RAMhelp
3200 MHz (DDR4), 4800 MHz (DDR5)Not Overclockable
Overclock Supporthelp
OverclockableFrequently Asked Questions
Which is better, Core i3-8100T or Core i9-12900KF?
The Core i9-12900KF. It's 210% faster than the Core i3-8100T on average across 100+ games, scoring 62/100 vs 20/100 in our gaming rating.
How much faster is Core i9-12900KF than Core i3-8100T?
210% faster on average. The gap varies by game and resolution, check the per-game FPS comparison above.
Which is better for 1440p and 4K gaming, Core i3-8100T or Core i9-12900KF?
The Core i9-12900KF is faster at both resolutions. Toggle the resolution selector above to see per-game FPS.
Is the Core i9-12900KF worth buying in 2026?
It scores 62/100 in our gaming rating, faster than most CPUs on the market. Good buy if the price is right.
What is the difference between Core i3-8100T and Core i9-12900KF?
Performance: Core i3-8100T scores 20/100, Core i9-12900KF scores 62/100. They also differ in core count, clock speeds, L3 cache, and power draw. Full breakdown in the specs section above.
Will the Core i3-8100T or Core i9-12900KF bottleneck my PC?
Depends on the rest of your build, especially your GPU. Swap the paired GPU in the FPS section above to see if it limits performance, or use our bottleneck calculator for a full analysis.
Is it worth upgrading to the Core i3-8100T or Core i9-12900KF?
The Core i9-12900KF is the stronger pick at 62/100. Compare your current CPU against it to see the exact FPS gain across 100+ games.
Popular Comparisons
i3-8100T vs Ryzen 7 9800X3Di3-8100T vs Ryzen 7 7800X3Di3-8100T vs Ryzen 7 9700Xi3-8100T vs Ryzen 7 7700Xi3-8100T vs Ultra 5 225Fi3-8100T vs Ryzen 9 9900Xi3-8100T vs Ryzen 5 5500i3-8100T vs Ultra 7 265KFi3-8100T vs Ryzen 7 9850X3Di3-8100T vs Ryzen 9 9900X3Di3-8100T vs Ryzen 9 9950X3Di3-8100T vs Ryzen 5 7600Xi3-8100T vs Ultra 5 245Ki3-8100T vs Ryzen 5 8500Gi3-8100T vs Ultra 7 270K Plusi3-12100F vs i3-8100Ti3-8100T vs Ryzen 5 7500X3Di3-8100T vs Ryzen 3 4100i3-8100T vs i5-4590Si3-8100T vs i5-4570i3-8100T vs Ryzen 5 3500Xi9-12900KF vs Ryzen 7 9800X3Di9-12900KF vs Ryzen 7 7800X3Di9-12900KF vs Ryzen 7 9700Xi9-12900KF vs Ryzen 7 7700Xi9-12900KF vs Ultra 5 225Fi9-12900KF vs Ryzen 9 9900Xi9-12900KF vs Ryzen 5 5500i9-12900KF vs Ultra 7 265KFi9-12900KF vs Ryzen 7 9850X3Di9-12900KF vs Ryzen 9 9900X3Di9-12900KF vs Ryzen 9 9950X3Di9-12900KF vs Ryzen 5 7600Xi9-12900KF vs Ultra 5 245Ki9-12900KF vs Ryzen 5 8500Gi9-12900KF vs Ultra 7 270K Plusi3-12100F vs i9-12900KFi9-12900KF vs Ryzen 5 7500X3Di9-12900KF vs Ryzen 3 4100i5-4590S vs i9-12900KFi5-4570 vs i9-12900KFi9-12900KF vs Ryzen 5 3500X