Pentium E5400 vs Xeon E5620
The Pentium E5400 is slightly faster than the Xeon E5620 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.
LGA775
Sockethelp
LGA1366Wolfdale
Codenamehelp
Westmere-EPDesktop
Segmenthelp
Server/WorkstationNo Integrated Graphics
Integrated GPUhelp
No Integrated GraphicsDDR1, DDR2, DDR3
RAMhelp
DDR3Not Overclockable
Overclock Supporthelp
Not OverclockableFrequently Asked Questions
compare_arrowsWhich is better, Pentium E5400 or Xeon E5620?expand_more
The Pentium E5400. It's 31% faster than the Xeon E5620 on average across 100+ games, scoring 49/100 vs 64/100 in our gaming rating.
speedHow much faster is Pentium E5400 than Xeon E5620?expand_more
31% 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, Pentium E5400 or Xeon E5620?expand_more
The Pentium E5400 is faster at both resolutions. Toggle the resolution selector above to see per-game FPS.
paidIs the Pentium E5400 worth buying in 2026?expand_more
It scores 49/100 in our gaming rating, faster than most CPUs on the market. Good buy if the price is right.
differenceWhat is the difference between Pentium E5400 and Xeon E5620?expand_more
Performance: Pentium E5400 scores 49/100, Xeon E5620 scores 64/100. They also differ in core count, clock speeds, L3 cache, and power draw. Full breakdown in the specs section above.
compressWill the Pentium E5400 or Xeon E5620 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 Pentium E5400 or Xeon E5620?expand_more
The Pentium E5400 is the stronger pick at 49/100. Compare your current CPU against it to see the exact FPS gain across 100+ games.
Popular Comparisons
Pentium E5400 vs Ryzen 7 7800X3DPentium E5400 vs Ryzen 5 7600XPentium E5400 vs Ryzen 9 9950X3DPentium E5400 vs Ryzen 7 7700XPentium E5400 vs Ryzen 9 9900XPentium E5400 vs Ryzen 7 9850X3DPentium E5400 vs Ryzen 7 9700XPentium E5400 vs Ryzen 5 8500GUltra 7 265KF vs Pentium E5400Pentium E5400 vs Ryzen 9 9900X3Di3-12100F vs Pentium E5400Pentium E5400 vs Ryzen 5 7500X3DCeleron G1610 vs Pentium E5400Athlon II X2 240 vs Pentium E5400Pentium E5400 vs Ryzen 7 9800X3DUltra 5 245K vs Pentium E5400Ultra 5 245KF vs Pentium E5400Ryzen 7 7800X3D vs Xeon E5620Ryzen 5 7600X vs Xeon E5620Ryzen 9 9950X3D vs Xeon E5620Ryzen 7 7700X vs Xeon E5620Ryzen 9 9900X vs Xeon E5620Ryzen 7 9850X3D vs Xeon E5620Ryzen 7 9700X vs Xeon E5620Ryzen 5 8500G vs Xeon E5620Ultra 7 265KF vs Xeon E5620Ryzen 9 9900X3D vs Xeon E5620i3-12100F vs Xeon E5620Ryzen 5 7500X3D vs Xeon E5620Celeron G1610 vs Xeon E5620Athlon II X2 240 vs Xeon E5620Ryzen 7 9800X3D vs Xeon E5620Ultra 5 245K vs Xeon E5620Ultra 5 245KF vs Xeon E5620