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CPU Comparison: FPS, Specs & Value

Atom N450 vs Pentium E5400

The Atom N450 is slightly faster than the Pentium E5400 on average across 100+ games. We cannot compare value as at least one CPU is out of stock.

HowManyFPS Team · Prices updated · FPS from real gameplay sessions · Browse benchmarks

  • Up to 3% faster on average across 100+ games
  • Is 11 months newer

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 24 points higher.

Coreshelp

Pentium E5400 has 1 more cores.

L3 Cachehelp
Base Frequencyhelp
Intel Atom N450 Logo
Atom N450
1.667 GHz

Pentium E5400 has a 62% higher base clock.

Turbo Frequencyhelp
TDPhelp

Atom N450 draws 59W less power.

Pricehelp
Intel BGA 559
Sockethelp
LGA775
Pineview
Codenamehelp
Wolfdale
Mobile
Segmenthelp
Desktop
No Integrated Graphics
Integrated GPUhelp
No Integrated Graphics
DDR2
RAMhelp
DDR1, DDR2, DDR3
Not Overclockable
Overclock Supporthelp
Not Overclockable

Frequently Asked Questions

compare_arrowsWhich is better, Atom N450 or Pentium E5400?expand_more
The Atom N450. It's 100% faster than the Pentium E5400 on average across 100+ games, scoring 24/100 vs 48/100 in our gaming rating.
speedHow much faster is Atom N450 than Pentium E5400?expand_more
100% 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, Atom N450 or Pentium E5400?expand_more
The Atom N450 is faster at both resolutions. Toggle the resolution selector above to see per-game FPS.
paidIs the Atom N450 worth buying in 2026?expand_more
It scores 24/100 in our gaming rating, faster than most CPUs on the market. Good buy if the price is right.
differenceWhat is the difference between Atom N450 and Pentium E5400?expand_more
Performance: Atom N450 scores 24/100, Pentium E5400 scores 48/100. They also differ in core count, clock speeds, L3 cache, and power draw. Full breakdown in the specs section above.
compressWill the Atom N450 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 Atom N450 or Pentium E5400?expand_more
The Atom N450 is the stronger pick at 24/100. Compare your current CPU against it to see the exact FPS gain across 100+ games.

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