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CPU Comparison: FPS, Specs & Value

Core i5-10400 vs Core i3-8100T

The Core i5-10400 is quite a bit faster than the Core i3-8100T on average across 100+ games. However, it's a much worse value for money, as it's $86.41 more expensive!

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CPU

$135.00View CPUAll CPUs

Up to 27% faster on average across 100+ games
Is 2 years and 1 month newer

CPU

$48.59View CPUAll CPUs

Available for $48.59

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

League of Legends2009

Core i5-10400

227FPS

Core i3-8100T

183FPS

Grand Theft Auto V2013

Core i5-10400

206FPS

Core i3-8100T

199FPS

Valorant2020

Core i5-10400

600FPS

Core i3-8100T

566FPS

Fortnite2017

Core i5-10400

328FPS

Core i3-8100T

324FPS

Overwatch 22023

Core i5-10400

522FPS

Core i3-8100T

516FPS

Minecraft2011

Core i5-10400

628FPS

Core i3-8100T

594FPS

Call of Duty: Warzone 2.02020

Core i5-10400

233FPS

Core i3-8100T

234FPS

Tom Clancy's Rainbow Six Siege2015

Core i5-10400

569FPS

Core i3-8100T

538FPS

Specs & Benchmark Comparison

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

Scorehelp

Core i5-10400

30%

Core i3-8100T

20%

Core i5-10400 ranks 10 points higher.

Coreshelp

Core i5-10400

Core i3-8100T

Core i5-10400 has 2 more cores.

Threadshelp

Core i5-10400

Core i3-8100T

Core i5-10400 has 8 more threads.

L3 Cachehelp

Core i5-10400

12 MB

Core i3-8100T

6 MB

Core i5-10400 has 6 MB more L3 cache.

Base Frequencyhelp

Core i5-10400

2.9 GHz

Core i3-8100T

3.1 GHz

Core i3-8100T has a 7% higher base clock.

Turbo Frequencyhelp

4.3 GHz

TDPhelp

65W

35W

Core i3-8100T draws 30W less power.

Pricehelp

Core i5-10400

$135.00

Core i3-8100T

$48.59

Core i3-8100T is $86.41 cheaper.

Core i5-10400Core i3-8100T

LGA1200

Sockethelp

LGA1151

Comet Lake

Codenamehelp

Coffee Lake

Desktop

Segmenthelp

Desktop

UHD Graphics 630

Integrated GPUhelp

UHD Graphics 630

2666 MHz (DDR4)

RAMhelp

2400 MHz (DDR4)

Not Overclockable

Overclock Supporthelp

Not Overclockable

Frequently Asked Questions

compare_arrowsWhich is better, Core i5-10400 or Core i3-8100T?expand_more

The Core i5-10400. It's 50% faster than the Core i3-8100T on average across 100+ games, scoring 30/100 vs 20/100 in our gaming rating.

speedHow much faster is Core i5-10400 than Core i3-8100T?expand_more

50% 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 i5-10400 or Core i3-8100T?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 30/100 in our gaming rating, faster than most CPUs on the market. Good buy if the price is right.

differenceWhat is the difference between Core i5-10400 and Core i3-8100T?expand_more

Performance: Core i5-10400 scores 30/100, Core i3-8100T scores 20/100. They also differ in core count, clock speeds, L3 cache, and power draw. Full breakdown in the specs section above.

compressWill the Core i5-10400 or Core i3-8100T 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 i5-10400 or Core i3-8100T?expand_more

The Core i5-10400 is the stronger pick at 30/100. Compare your current CPU against it to see the exact FPS gain across 100+ games.