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CPU Comparison: FPS, Specs & Value

Core i9-9980XE vs Pentium E5400

The Core i9-9980XE is slightly slower than the Pentium E5400 on average across 100+ games. We cannot compare value as at least one CPU is out of stock.

  • Is 9 years and 11 months newer
  • Available for $1979
  • Up to 18% faster on average across 100+ games

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.

Scorehelp

Pentium E5400 ranks 14 points higher.

Coreshelp

Core i9-9980XE has 16 more cores.

Threadshelp

Core i9-9980XE has 34 more threads.

L3 Cachehelp
Base Frequencyhelp

Core i9-9980XE has a 11% higher base clock.

Turbo Frequencyhelp
TDPhelp

Pentium E5400 draws 100W less power.

LGA2066
Sockethelp
LGA775
Skylake-X
Codenamehelp
Wolfdale
Desktop
Segmenthelp
Desktop
No Integrated Graphics
Integrated GPUhelp
No Integrated Graphics
2666 MHz (DDR4)
RAMhelp
DDR1, DDR2, DDR3
Overclockable
Overclock Supporthelp
Not Overclockable

Frequently Asked Questions

compare_arrowsWhich is better, Core i9-9980XE or Pentium E5400?expand_more
The Pentium E5400. It's 39% faster than the Core i9-9980XE on average across 100+ games, scoring 50/100 vs 36/100 in our gaming rating.
speedHow much faster is Pentium E5400 than Core i9-9980XE?expand_more
39% 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 i9-9980XE or Pentium E5400?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 50/100 in our gaming rating, faster than most CPUs on the market. Good buy if the price is right.
differenceWhat is the difference between Core i9-9980XE and Pentium E5400?expand_more
Performance: Core i9-9980XE scores 36/100, Pentium E5400 scores 50/100. They also differ in core count, clock speeds, L3 cache, and power draw. Full breakdown in the specs section above.
compressWill the Core i9-9980XE or Pentium E5400 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 i9-9980XE or Pentium E5400?expand_more
The Pentium E5400 is the stronger pick at 50/100. Compare your current CPU against it to see the exact FPS gain across 100+ games.

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