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CPU Comparison: FPS, Specs & Value

Core i5-6400 vs Core i5-10400

The Core i5-6400 is slower than the Core i5-10400 on average across 100+ games and it's also a worse value for money, as it's $41.46 more expensive!

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CPU

$180.46View CPUAll CPUs

Available for $180.46

CPU

$139.00View CPUAll CPUs

Up to 28% faster on average across 100+ games
Is 4 years and 11 months newer

FPS Comparison Across Popular Games

Predicted average FPS at 1080p, 1440p, and 4K, based on real game benchmarks.

Resolution

Quality

Paired GPU

View Compare All GPUs

Select GPU

Fortnite2017

Core i5-6400

324FPS

Core i5-10400

327FPS

Grand Theft Auto V2013

198FPS

205FPS

475FPS

541FPS

League of Legends2009

Core i5-6400

179FPS

Core i5-10400

223FPS

Valorant2020

Core i5-6400

563FPS

Core i5-10400

596FPS

Overwatch 22023

Core i5-6400

516FPS

Core i5-10400

521FPS

Minecraft2011

Core i5-6400

591FPS

Core i5-10400

624FPS

Apex Legends2019

Core i5-6400

366FPS

Core i5-10400

366FPS

Specs & Benchmark Comparison

Side-by-side specs, synthetic benchmarks, and key hardware differences.

Scorehelp

Core i5-6400

21%

Core i5-10400

32%

Core i5-10400 ranks 11 points higher.

Coreshelp

Core i5-6400

Core i5-10400

Core i5-10400 has 2 more cores.

Threadshelp

Core i5-6400

Core i5-10400

Core i5-10400 has 8 more threads.

L3 Cachehelp

Core i5-6400

6 MB

Core i5-10400

12 MB

Core i5-10400 has 6 MB more L3 cache.

Base Frequencyhelp

Core i5-6400

2.7 GHz

Core i5-10400

2.9 GHz

Core i5-10400 has a 7% higher base clock.

Turbo Frequencyhelp

Core i5-6400

3.3 GHz

Core i5-10400

4.3 GHz

Core i5-10400 boosts 30% higher.

TDPhelp

Core i5-6400

65W

Core i5-10400

65W

Pricehelp

Core i5-6400

$180.46

Core i5-10400

$139.00

Core i5-10400 is $41.46 cheaper.

Core i5-6400Core i5-10400

LGA1151

Sockethelp

LGA1200

Skylake

Codenamehelp

Comet Lake

Desktop

Segmenthelp

Desktop

HD Graphics 530

Integrated GPUhelp

UHD Graphics 630

2133 MHz (DDR4)

RAMhelp

2666 MHz (DDR4)

Not Overclockable

Overclock Supporthelp

Not Overclockable

Frequently Asked Questions

compare_arrowsWhich is better, Core i5-6400 or Core i5-10400?expand_more

The Core i5-10400. It's 52% faster than the Core i5-6400 on average across 100+ games, scoring 32/100 vs 21/100 in our gaming rating.

speedHow much faster is Core i5-10400 than Core i5-6400?expand_more

52% 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 i5-6400 or Core i5-10400?expand_more

The Core i5-10400 is faster at both resolutions. Toggle the resolution selector above to see per-game FPS.

paidIs the Core i5-10400 worth buying in 2026?expand_more

It scores 32/100 in our gaming rating, faster than most CPUs on the market. Good buy if the price is right.

differenceWhat is the difference between Core i5-6400 and Core i5-10400?expand_more

Performance: Core i5-6400 scores 21/100, Core i5-10400 scores 32/100. They also differ in core count, clock speeds, L3 cache, and power draw. Full breakdown in the specs section above.

compressWill the Core i5-6400 or Core i5-10400 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 i5-6400 or Core i5-10400?expand_more

The Core i5-10400 is the stronger pick at 32/100. Compare your current CPU against it to see the exact FPS gain across 100+ games.