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CPU Comparison: FPS, Specs & Value

Core i9-12900KF vs Core i3-8100T

The Core i9-12900KF is much faster than the Core i3-8100T on average across 100+ games. However, it's a much worse value for money, as it's $295.40 more expensive!

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CPU

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Up to 110% faster on average across 100+ games
Is 3 years and 8 months newer
Up to 382% more expensive – $343.99 vs $48.59

CPU

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Up to 382% cheaper – $48.59 vs $343.99
Up to 130% better value for money

FPS Comparison Across Popular Games

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

Resolution

Quality

Paired GPU

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Specs & Benchmark Comparison

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

Scorehelp

Core i9-12900KF

62%

Core i3-8100T

20%

Core i9-12900KF ranks 42 points higher.

Coreshelp

Core i9-12900KF

Core i3-8100T

Core i9-12900KF has 12 more cores.

Threadshelp

Core i9-12900KF

Core i3-8100T

Core i9-12900KF has 20 more threads.

L3 Cachehelp

Core i9-12900KF

30 MB

Core i3-8100T

6 MB

Core i9-12900KF has 24 MB more L3 cache.

Base Frequencyhelp

Core i9-12900KF

3.2 GHz

Core i3-8100T

3.1 GHz

Core i9-12900KF has a 3% higher base clock.

Turbo Frequencyhelp

5.2 GHz

TDPhelp

125W

35W

Core i3-8100T draws 90W less power.

Pricehelp

Core i9-12900KF

$343.99

Core i3-8100T

$48.59

Core i3-8100T is $295.40 cheaper.

Core i9-12900KFCore 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)

Overclockable

Overclock Supporthelp

Not Overclockable

Frequently Asked Questions

Which is better, Core i9-12900KF or Core i3-8100T?

The Core i9-12900KF. It's 210% faster than the Core i3-8100T on average across 100+ games, scoring 62/100 vs 20/100 in our gaming rating.

How much faster is Core i9-12900KF than Core i3-8100T?

210% faster on average. The gap varies by game and resolution, check the per-game FPS comparison above.

Which is better for 1440p and 4K gaming, Core i9-12900KF or Core i3-8100T?

The Core i9-12900KF is faster at both resolutions. Toggle the resolution selector above to see per-game FPS.

Is the Core i9-12900KF worth buying in 2026?

It scores 62/100 in our gaming rating, faster than most CPUs on the market. Good buy if the price is right.

What is the difference between Core i9-12900KF and Core i3-8100T?

Performance: Core i9-12900KF scores 62/100, 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.

Will the Core i9-12900KF or Core i3-8100T bottleneck my PC?

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.

Is it worth upgrading to the Core i9-12900KF or Core i3-8100T?

The Core i9-12900KF is the stronger pick at 62/100. Compare your current CPU against it to see the exact FPS gain across 100+ games.

Recent Public Benchmarks

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Popular Comparisons

Core i9-12900KF vs Core i3-8100T

FPS Comparison Across Popular Games

Specs & Benchmark Comparison

Frequently Asked Questions

Recent Public Benchmarks

Popular Comparisons

Common Questions About HowManyFPS

Core i9-12900KF vs Core i3-8100T

FPS Comparison Across Popular Games

Specs & Benchmark Comparison

Frequently Asked Questions

Recent Public Benchmarks

Popular Comparisons