Core 2 Quad Q8400 vs Core i5-4590S
The Core 2 Quad Q8400 is much slower than the Core i5-4590S on average across 100+ games. We cannot compare value as at least one CPU is out of stock.
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 i5-4590S has a 9% higher base clock.
LGA775
Sockethelp
LGA1150Yorkfield
Codenamehelp
HaswellDesktop
Segmenthelp
DesktopOn certain motherboards (Chipset feature)
Integrated GPUhelp
Intel HD 4600DDR1, DDR2, DDR3
RAMhelp
DDR3Not Overclockable
Overclock Supporthelp
Not OverclockableFrequently Asked Questions
compare_arrowsWhich is better, Core 2 Quad Q8400 or Core i5-4590S?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 2 Quad Q8400 or Core i5-4590S?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 2 Quad Q8400 and Core i5-4590S?expand_more
Performance: Core 2 Quad Q8400 scores 6/100, Core i5-4590S scores 27/100. They also differ in core count, clock speeds, L3 cache, and power draw. Full breakdown in the specs section above.
compressWill the Core 2 Quad Q8400 or Core i5-4590S 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 2 Quad Q8400 or Core i5-4590S?expand_more
Both are solid choices. Compare your current CPU against each one to see the exact FPS gain.
Popular Comparisons
2 Quad Q8400 vs Ryzen 7 7800X3D2 Quad Q8400 vs Ryzen 5 7600X2 Quad Q8400 vs Ryzen 9 9950X3D2 Quad Q8400 vs Ryzen 7 7700X2 Quad Q8400 vs Ryzen 9 9900X2 Quad Q8400 vs Ryzen 7 9850X3D2 Quad Q8400 vs Ryzen 7 9700X2 Quad Q8400 vs Ryzen 5 8500G2 Quad Q8400 vs Ultra 7 265KF2 Quad Q8400 vs Ryzen 9 9900X3D2 Quad Q8400 vs i3-12100F2 Quad Q8400 vs Ryzen 5 7500X3D2 Quad Q8400 vs i5-66002 Quad Q8400 vs Ryzen 7 9800X3D2 Quad Q8400 vs i5-46702 Quad Q8400 vs Ryzen 5 3500X2 Quad Q8400 vs Ryzen 5 55002 Quad Q8400 vs Ultra 5 245K2 Quad Q8400 vs Ultra 5 245KF2 Quad Q8400 vs Ryzen 5 56002 Quad Q8400 vs Ryzen 3 4100i5-4590S vs Ryzen 7 7800X3Di5-4590S vs Ryzen 5 7600Xi5-4590S vs Ryzen 9 9950X3Di5-4590S vs Ryzen 7 7700Xi5-4590S vs Ryzen 9 9900Xi5-4590S vs Ryzen 7 9850X3Di5-4590S vs Ryzen 7 9700Xi5-4590S vs Ryzen 5 8500Gi5-4590S vs Ultra 7 265KFi5-4590S vs Ryzen 9 9900X3Di3-12100F vs i5-4590Si5-4590S vs Ryzen 5 7500X3Di5-4590S vs i5-6600i5-4590S vs Ryzen 7 9800X3Di5-4590S vs i5-4670i5-4590S vs Ryzen 5 3500Xi5-4590S vs Ryzen 5 5500i5-4590S vs Ultra 5 245Ki5-4590S vs Ultra 5 245KFi5-4590S vs Ryzen 5 5600i5-4590S vs Ryzen 3 4100