Fortnite
1440p@360Hz·10:39 played
ZonixWZone·8h ago
Public3 Tips
360
FPSAverage
164
FPS1% Low
28%/50°C
38%/72°C
32 GB
55%usage
Core i5-8400 vs Core Ultra 7 265
The Core i5-8400 is quite a bit slower than the Core Ultra 7 265 on average across 100+ games. However, it's a slightly better value for money, as it's $176.04 cheaper!
Core i5-840028% Score
- Up to 116% cheaper – $198.95 vs $374.99
- Up to 29% better value for money
Core Ultra 7 26560% Score
- Up to 68% faster on average across 100+ games
- Is 7 years and 4 months newer
- Up to 116% more expensive – $374.99 vs $198.95
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 i5-8400 has a 17% higher base clock.
LGA1151
Sockethelp
LGA1851Coffee Lake
Codenamehelp
Arrow Lake-SDesktop
Segmenthelp
DesktopUHD Graphics 630
Integrated GPUhelp
Arc Xe-LPG Graphics 32EU2666 MHz (DDR4)
RAMhelp
6400 MHz (DDR5)Not Overclockable
Overclock Supporthelp
Not OverclockableFrequently Asked Questions
compare_arrowsWhich is better, Core i5-8400 or Core Ultra 7 265?expand_more
The Core Ultra 7 265. It's 114% faster than the Core i5-8400 on average across 100+ games, scoring 60/100 vs 28/100 in our gaming rating.
speedHow much faster is Core Ultra 7 265 than Core i5-8400?expand_more
114% 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 i5-8400 or Core Ultra 7 265?expand_more
The Core Ultra 7 265 is faster at both resolutions. Toggle the resolution selector above to see per-game FPS.
paidIs the Core Ultra 7 265 worth buying in 2026?expand_more
It scores 60/100 in our gaming rating, faster than most CPUs on the market. Good buy if the price is right.
differenceWhat is the difference between Core i5-8400 and Core Ultra 7 265?expand_more
Performance: Core i5-8400 scores 28/100, Core Ultra 7 265 scores 60/100. They also differ in core count, clock speeds, L3 cache, and power draw. Full breakdown in the specs section above.
compressWill the Core i5-8400 or Core Ultra 7 265 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 i5-8400 or Core Ultra 7 265?expand_more
The Core Ultra 7 265 is the stronger pick at 60/100. Compare your current CPU against it to see the exact FPS gain across 100+ games.
Popular Comparisons
i5-8400 vs Ryzen 7 7800X3Di5-8400 vs Ryzen 7 9700Xi5-8400 vs Ryzen 9 9900Xi5-8400 vs Ryzen 7 7700Xi5-8400 vs Ryzen 5 5500i5-8400 vs Ultra 7 265KFi5-8400 vs Ryzen 7 9850X3Di5-8400 vs Ryzen 5 7600Xi5-8400 vs Ultra 5 245Ki5-8400 vs Ryzen 5 8500Gi5-8400 vs Ultra 7 270K Plusi5-8400 vs Ryzen 5 5600i5-8400 vs i3-13100i5-8400 vs Ryzen 5 4500i5-8400 vs Ryzen 5 7500X3Di5-8400 vs i3-6100i5-8400 vs Ultra 5 225i5-8400 vs i5-4690i5-8400 vs i5-4670i5-8400 vs Ryzen 5 3500XUltra 7 265 vs Ryzen 7 7800X3DUltra 7 265 vs Ryzen 7 9700XUltra 7 265 vs Ryzen 9 9900XUltra 7 265 vs Ryzen 7 7700XUltra 7 265 vs Ryzen 5 5500Ultra 7 265 vs Ultra 7 265KFUltra 7 265 vs Ryzen 7 9850X3DUltra 7 265 vs Ryzen 5 7600XUltra 7 265 vs Ultra 5 245KUltra 7 265 vs Ryzen 5 8500GUltra 7 265 vs Ultra 7 270K PlusUltra 7 265 vs Ryzen 5 5600Ultra 7 265 vs i3-13100Ultra 7 265 vs Ryzen 5 4500Ultra 7 265 vs Ryzen 5 7500X3DUltra 7 265 vs i3-6100Ultra 7 265 vs Ultra 5 225Ultra 7 265 vs i5-4690Ultra 7 265 vs i5-4670Ultra 7 265 vs Ryzen 5 3500X