Core i3-7100 vs Core i7-7820X
The Core i3-7100 is slightly faster than the Core i7-7820X on average across 100+ games and it's also a much better value for money, as it's $280.00 cheaper!
HowManyFPS Team · Prices updated · FPS from real gameplay sessions · Browse benchmarks
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
LGA2066Kaby Lake
Codenamehelp
Skylake-XDesktop
Segmenthelp
DesktopHD Graphics 630
Integrated GPUhelp
No Integrated Graphics2400 MHz (DDR4)
RAMhelp
2666 MHz (DDR4)Not Overclockable
Overclock Supporthelp
OverclockableFrequently Asked Questions
compare_arrowsWhich is better, Core i3-7100 or Core i7-7820X?expand_more
The Core i3-7100. It's 10% faster than the Core i7-7820X on average across 100+ games, scoring 43/100 vs 39/100 in our gaming rating.
speedHow much faster is Core i3-7100 than Core i7-7820X?expand_more
10% faster on average. The gap varies by game and resolution, check the per-game FPS comparison above.
aspect_ratioWhich is better for 1440p and 4K gaming, Core i3-7100 or Core i7-7820X?expand_more
The Core i3-7100 is faster at both resolutions. Toggle the resolution selector above to see per-game FPS.
paidIs the Core i3-7100 worth buying in 2026?expand_more
It scores 43/100 in our gaming rating, faster than most CPUs on the market. Good buy if the price is right.
differenceWhat is the difference between Core i3-7100 and Core i7-7820X?expand_more
Performance: Core i3-7100 scores 43/100, Core i7-7820X scores 39/100. They also differ in core count, clock speeds, L3 cache, and power draw. Full breakdown in the specs section above.
compressWill the Core i3-7100 or Core i7-7820X bottleneck my PC?expand_more
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.
upgradeIs it worth upgrading to the Core i3-7100 or Core i7-7820X?expand_more
The Core i3-7100 is the stronger pick at 43/100. Compare your current CPU against it to see the exact FPS gain across 100+ games.
Popular Comparisons
i3-7100 vs Ryzen 7 7800X3Di3-7100 vs Ryzen 5 7600Xi3-7100 vs Ryzen 9 9950X3Di3-7100 vs Ryzen 7 7700Xi3-7100 vs Ryzen 9 9900Xi3-7100 vs Ryzen 7 9850X3Di3-7100 vs Ryzen 7 9700Xi3-7100 vs Ryzen 5 8500Gi3-7100 vs Ultra 7 265KFi3-7100 vs Ryzen 9 9900X3Di3-7100 vs Ryzen 5 7500X3DAtom D510 vs i3-7100Athlon II X2 240 vs i3-7100i3-7100 vs Ryzen 7 9800X3Di3-7100 vs Pentium E5400i3-7100 vs Ultra 5 245Ki3-7100 vs Ultra 5 245KFi7-7820X vs Ryzen 7 7800X3Di7-7820X vs Ryzen 5 7600Xi7-7820X vs Ryzen 9 9950X3Di7-7820X vs Ryzen 7 7700Xi7-7820X vs Ryzen 9 9900Xi7-7820X vs Ryzen 7 9850X3Di7-7820X vs Ryzen 7 9700Xi7-7820X vs Ryzen 5 8500Gi7-7820X vs Ultra 7 265KFi7-7820X vs Ryzen 9 9900X3Di7-7820X vs Ryzen 5 7500X3DAtom D510 vs i7-7820XAthlon II X2 240 vs i7-7820Xi7-7820X vs Ryzen 7 9800X3Di7-7820X vs Pentium E5400i7-7820X vs Ultra 5 245Ki7-7820X vs Ultra 5 245KF