Core i5-4590S vs Core i5-6400
The Core i5-4590S is same performance as the Core i5-6400 on average across 100+ games. However, it's a much better value for money, as it's $134.47 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.
LGA1150
Sockethelp
LGA1151Haswell
Codenamehelp
SkylakeDesktop
Segmenthelp
DesktopIntel HD 4600
Integrated GPUhelp
HD Graphics 530DDR3
RAMhelp
2133 MHz (DDR4)Not Overclockable
Overclock Supporthelp
Not OverclockableFrequently Asked Questions
compare_arrowsWhich is better, Core i5-4590S or Core i5-6400?expand_more
Neither, they're within 1% of each other across 100+ games. Pick based on price, availability, or platform compatibility.
aspect_ratioWhich is better for 1440p and 4K gaming, Core i5-4590S or Core i5-6400?expand_more
They trade blows depending on the game. Toggle the resolution selector above to compare per-game FPS at 1440p and 4K.
differenceWhat is the difference between Core i5-4590S and Core i5-6400?expand_more
Performance: Core i5-4590S scores 21/100, Core i5-6400 scores 21/100. They also differ in core count, clock speeds, L3 cache, and power draw. Full breakdown in the specs section above.
compressWill the Core i5-4590S or Core i5-6400 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 i5-4590S or Core i5-6400?expand_more
Both are solid choices. Compare your current CPU against each one to see the exact FPS gain.
Popular Comparisons
i5-4590S vs Ryzen 7 9800X3Di5-4590S vs Ryzen 7 7800X3Di5-4590S vs Ryzen 7 9700Xi5-4590S vs Ryzen 7 7700Xi5-4590S vs Ryzen 9 9900Xi5-4590S vs Ryzen 5 5500i5-4590S vs Ultra 7 265KFi5-4590S vs Ryzen 7 9850X3Di5-4590S vs Ryzen 9 9900X3Di5-4590S vs Ryzen 9 9950X3Di5-4590S vs Ryzen 5 7600Xi5-4590S vs Ultra 5 245Ki5-4590S vs Ryzen 5 8500Gi5-4590S vs Ultra 5 245KFi3-12100F vs i5-4590Si5-4590S vs Ryzen 5 7500X3Di5-4590S vs i5-6600i5-4590S vs i5-4670i5-4590S vs Ryzen 5 3500Xi5-4590S vs Ryzen 5 5600i5-4590S vs Ryzen 3 4100i5-6400 vs Ryzen 7 9800X3Di5-6400 vs Ryzen 7 7800X3Di5-6400 vs Ryzen 7 9700Xi5-6400 vs Ryzen 7 7700Xi5-6400 vs Ryzen 9 9900Xi5-6400 vs Ryzen 5 5500i5-6400 vs Ultra 7 265KFi5-6400 vs Ryzen 7 9850X3Di5-6400 vs Ryzen 9 9900X3Di5-6400 vs Ryzen 9 9950X3Di5-6400 vs Ryzen 5 7600Xi5-6400 vs Ultra 5 245Ki5-6400 vs Ryzen 5 8500Gi5-6400 vs Ultra 5 245KFi3-12100F vs i5-6400i5-6400 vs Ryzen 5 7500X3Di5-6400 vs i5-6600i5-4670 vs i5-6400i5-6400 vs Ryzen 5 3500Xi5-6400 vs Ryzen 5 5600i5-6400 vs Ryzen 3 4100