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CPU Comparison: FPS, Specs & Value

Core i7-7800X vs Core i5-12400F

The Core i7-7800X is quite a bit slower than the Core i5-12400F on average across 100+ games. However, it's a much better value for money, as it's $92.11 cheaper!

bar_chartBenchmarks groupCommunity calculateFPS Calculator compressBottleneck Calculator

CPU

$63.88View CPUAll CPUs

Up to 120% more expensive – $63.88 vs $155.99

CPU

$155.99View CPUAll CPUs

Up to 48% faster on average across 100+ games
Is 4 years and 7 months newer
Up to 120% cheaper – $155.99 vs $63.88
Up to 227% 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

View Compare All GPUs

Select GPU

Dota 22013

Core i7-7800X

189FPS

Core i5-12400F

239FPS

League of Legends2009

Core i7-7800X

215FPS

Core i5-12400F

317FPS

Escape From Tarkov2017

Core i7-7800X

220FPS

Core i5-12400F

241FPS

Overwatch 22023

520FPS

545FPS

532FPS

654FPS

Apex Legends2019

Core i7-7800X

365FPS

Core i5-12400F

375FPS

Valorant2020

Core i7-7800X

590FPS

Core i5-12400F

687FPS

Grand Theft Auto V2013

Core i7-7800X

204FPS

Core i5-12400F

216FPS

Specs & Benchmark Comparison

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

Scorehelp

Core i7-7800X

27%

Core i5-12400F

50%

Core i5-12400F ranks 23 points higher.

Coreshelp

Threadshelp

L3 Cachehelp

8.25 MB

18 MB

Core i5-12400F has 9.75 MB more L3 cache.

Base Frequencyhelp

Core i7-7800X

3.5 GHz

Core i5-12400F

2.5 GHz

Core i7-7800X has a 40% higher base clock.

Turbo Frequencyhelp

Core i7-7800X

4 GHz

Core i5-12400F

4.4 GHz

Core i5-12400F boosts 10% higher.

TDPhelp

Core i7-7800X

140W

Core i5-12400F

65W

Core i5-12400F draws 75W less power.

Pricehelp

Core i7-7800X

$63.88

Core i5-12400F

$155.99

Core i7-7800X is $92.11 cheaper.

Core i7-7800XCore i5-12400F

LGA2066

Sockethelp

LGA1700

Skylake-X

Codenamehelp

Alder Lake-S

Desktop

Segmenthelp

Desktop

No Integrated Graphics

Integrated GPUhelp

No Integrated Graphics

2400 MHz (DDR4)

RAMhelp

3200 MHz (DDR4), 4800 MHz (DDR5)

Overclockable

Overclock Supporthelp

Not Overclockable

Frequently Asked Questions

compare_arrowsWhich is better, Core i7-7800X or Core i5-12400F?expand_more

The Core i5-12400F. It's 85% faster than the Core i7-7800X on average across 100+ games, scoring 50/100 vs 27/100 in our gaming rating.

speedHow much faster is Core i5-12400F than Core i7-7800X?expand_more

85% 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 i7-7800X or Core i5-12400F?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 i7-7800X and Core i5-12400F?expand_more

Performance: Core i7-7800X scores 27/100, Core i5-12400F scores 50/100. They also differ in core count, clock speeds, L3 cache, and power draw. Full breakdown in the specs section above.

compressWill the Core i7-7800X or Core i5-12400F 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 i7-7800X or Core i5-12400F?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.