Core i3-8100T vs Core i5-9400F
The Core i3-8100T is slower than the Core i5-9400F on average across 100+ games. However, it's a much better value for money, as it's $126.41 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.
LGA1151
Sockethelp
LGA1151Coffee Lake
Codenamehelp
Coffee LakeDesktop
Segmenthelp
DesktopUHD Graphics 630
Integrated GPUhelp
No Integrated Graphics2400 MHz (DDR4)
RAMhelp
2666 MHz (DDR4)Not Overclockable
Overclock Supporthelp
Not OverclockableFrequently Asked Questions
Which is better, Core i3-8100T or Core i5-9400F?
The Core i5-9400F. It's 43% faster than the Core i3-8100T on average across 100+ games, scoring 30/100 vs 21/100 in our gaming rating.
How much faster is Core i5-9400F than Core i3-8100T?
43% 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 i5-9400F?
The Core i5-9400F is faster at both resolutions. Toggle the resolution selector above to see per-game FPS.
Is the Core i5-9400F worth buying in 2026?
It scores 30/100 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 i5-9400F?
Performance: Core i3-8100T scores 21/100, Core i5-9400F scores 30/100. 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 i5-9400F 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 i5-9400F?
The Core i5-9400F is the stronger pick at 30/100. 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 Ryzen 9 9900Xi3-8100T vs Ultra 7 265KFi3-8100T vs Ryzen 5 5500i3-8100T vs Ryzen 7 9850X3Di3-8100T vs Ultra 7 265Ki3-8100T 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 5 225i3-12100F vs i3-8100Ti3-8100T vs Ryzen 3 4100i3-8100T vs Ryzen 5 7500X3Di3-8100T vs i5-4590Si3-8100T vs i5-4570i3-8100T vs Ryzen 5 3500Xi5-9400F vs Ryzen 7 9800X3Di5-9400F vs Ryzen 7 7800X3Di5-9400F vs Ryzen 7 9700Xi5-9400F vs Ryzen 7 7700Xi5-9400F vs Ryzen 9 9900Xi5-9400F vs Ultra 7 265KFi5-9400F vs Ryzen 5 5500i5-9400F vs Ryzen 7 9850X3Di5-9400F vs Ultra 7 265Ki5-9400F vs Ryzen 9 9900X3Di5-9400F vs Ryzen 9 9950X3Di5-9400F vs Ryzen 5 7600Xi5-9400F vs Ultra 5 245Ki5-9400F vs Ryzen 5 8500Gi5-9400F vs Ultra 5 225i3-12100F vs i5-9400Fi5-9400F vs Ryzen 3 4100i5-9400F vs Ryzen 5 7500X3Di5-4590S vs i5-9400Fi5-4570 vs i5-9400Fi5-9400F vs Ryzen 5 3500X