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CPU Comparison: FPS, Specs & Value

Core i5-12400F vs Core i3-8100T

The Core i5-12400F is much faster than the Core i3-8100T on average across 100+ games. However, it's a worse value for money, as it's $111.35 more expensive!

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CPU

$159.94View CPUAll CPUs

Up to 79% faster on average across 100+ games
Is 3 years and 10 months newer
Up to 20% better value for money
Up to 49% more expensive – $159.94 vs $48.59

CPU

$48.59View CPUAll CPUs

Up to 49% cheaper – $48.59 vs $159.94

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

317FPS

182FPS

653FPS

481FPS

Overwatch 22023

Core i5-12400F

544FPS

Core i3-8100T

516FPS

Valorant2020

Core i5-12400F

687FPS

Core i3-8100T

565FPS

Grand Theft Auto V2013

Core i5-12400F

216FPS

Core i3-8100T

199FPS

Rust2018

Core i5-12400F

327FPS

Core i3-8100T

284FPS

Fortnite2017

Core i5-12400F

332FPS

Core i3-8100T

324FPS

Dota 22013

Core i5-12400F

239FPS

Core i3-8100T

179FPS

Specs & Benchmark Comparison

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

Scorehelp

Core i5-12400F

50%

Core i3-8100T

19%

Core i5-12400F ranks 31 points higher.

Coreshelp

Core i5-12400F

Core i3-8100T

Core i5-12400F has 2 more cores.

Threadshelp

Core i5-12400F

Core i3-8100T

Core i5-12400F has 8 more threads.

L3 Cachehelp

Core i5-12400F

18 MB

Core i3-8100T

6 MB

Core i5-12400F has 12 MB more L3 cache.

Base Frequencyhelp

Core i5-12400F

2.5 GHz

Core i3-8100T

3.1 GHz

Core i3-8100T has a 24% higher base clock.

Turbo Frequencyhelp

4.4 GHz

TDPhelp

65W

35W

Core i3-8100T draws 30W less power.

Pricehelp

Core i5-12400F

$159.94

Core i3-8100T

$48.59

Core i3-8100T is $111.35 cheaper.

Core i5-12400FCore i3-8100T

LGA1700

Sockethelp

LGA1151

Alder Lake-S

Codenamehelp

Coffee Lake

Desktop

Segmenthelp

Desktop

No Integrated Graphics

Integrated GPUhelp

UHD Graphics 630

3200 MHz (DDR4), 4800 MHz (DDR5)

RAMhelp

2400 MHz (DDR4)

Not Overclockable

Overclock Supporthelp

Not Overclockable

Frequently Asked Questions

compare_arrowsWhich is better, Core i5-12400F or Core i3-8100T?expand_more

The Core i5-12400F. It's 163% faster than the Core i3-8100T on average across 100+ games, scoring 50/100 vs 19/100 in our gaming rating.

speedHow much faster is Core i5-12400F than Core i3-8100T?expand_more

163% 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 i5-12400F or Core i3-8100T?expand_more

The Core i5-12400F is faster at both resolutions. Toggle the resolution selector above to see per-game FPS.

paidIs the Core i5-12400F 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 i5-12400F and Core i3-8100T?expand_more

Performance: Core i5-12400F scores 50/100, Core i3-8100T scores 19/100. They also differ in core count, clock speeds, L3 cache, and power draw. Full breakdown in the specs section above.

compressWill the Core i5-12400F 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 i5-12400F or Core i3-8100T?expand_more

The Core i5-12400F is the stronger pick at 50/100. Compare your current CPU against it to see the exact FPS gain across 100+ games.