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CPU Comparison: FPS, Specs & Value

Core i7-6700K vs Core i9-7900X

The Core i7-6700K is slightly slower than the Core i9-7900X on average across 100+ games. However, it's a much better value for money, as it's $460.00 cheaper!

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CPU

$229.95View CPUAll CPUs

Up to 195% cheaper – $229.95 vs $689.95
Up to 184% better value for money

CPU

$689.95View CPUAll CPUs

Up to 4% faster on average across 100+ games
Is 1 year and 11 months newer
Up to 195% more expensive – $689.95 vs $229.95

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 i7-6700K

327FPS

Core i9-7900X

328FPS

Grand Theft Auto V2013

Core i7-6700K

205FPS

Core i9-7900X

206FPS

Elden Ring2022

Core i7-6700K

153FPS

Core i9-7900X

154FPS

Escape From Tarkov2017

Core i7-6700K

221FPS

Core i9-7900X

223FPS

League of Legends2009

Core i7-6700K

223FPS

Core i9-7900X

230FPS

Destiny 22017

Core i7-6700K

594FPS

Core i9-7900X

594FPS

Valorant2020

Core i7-6700K

596FPS

Core i9-7900X

603FPS

Minecraft2011

Core i7-6700K

625FPS

Core i9-7900X

631FPS

Specs & Benchmark Comparison

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

Scorehelp

Core i7-6700K

29%

Core i9-7900X

30%

Core i9-7900X ranks 1 points higher.

Coreshelp

Core i7-6700K

Core i9-7900X

Core i9-7900X has 6 more cores.

Threadshelp

Core i7-6700K

Core i9-7900X

Core i9-7900X has 12 more threads.

L3 Cachehelp

Core i7-6700K

8 MB

Core i9-7900X

14 MB

Core i9-7900X has 6 MB more L3 cache.

Base Frequencyhelp

Core i7-6700K

4 GHz

Core i9-7900X

3.3 GHz

Core i7-6700K has a 21% higher base clock.

Turbo Frequencyhelp

Core i7-6700K

4.2 GHz

Core i9-7900X

4.5 GHz

Core i9-7900X boosts 7% higher.

TDPhelp

Core i7-6700K

91W

Core i9-7900X

140W

Core i7-6700K draws 49W less power.

Pricehelp

Core i7-6700K

$229.95

Core i9-7900X

$689.95

Core i7-6700K is $460.00 cheaper.

Core i7-6700KCore i9-7900X

LGA1151

Sockethelp

LGA2066

Skylake

Codenamehelp

Skylake-X

Desktop

Segmenthelp

Desktop

HD Graphics 530

Integrated GPUhelp

No Integrated Graphics

2133 MHz (DDR3), 2133 MHz (DDR4)

RAMhelp

2666 MHz (DDR4)

Overclockable

Overclock Supporthelp

Overclockable

Frequently Asked Questions

compare_arrowsWhich is better, Core i7-6700K or Core i9-7900X?expand_more

The Core i9-7900X. It's 3% faster than the Core i7-6700K on average across 100+ games, scoring 30/100 vs 29/100 in our gaming rating.

speedHow much faster is Core i9-7900X than Core i7-6700K?expand_more

3% 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 i7-6700K or Core i9-7900X?expand_more

The Core i9-7900X is faster at both resolutions. Toggle the resolution selector above to see per-game FPS.

paidIs the Core i9-7900X 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 i7-6700K and Core i9-7900X?expand_more

Performance: Core i7-6700K scores 29/100, Core i9-7900X scores 30/100. They also differ in core count, clock speeds, L3 cache, and power draw. Full breakdown in the specs section above.

compressWill the Core i7-6700K or Core i9-7900X 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 i7-6700K or Core i9-7900X?expand_more

The Core i9-7900X is the stronger pick at 30/100. Compare your current CPU against it to see the exact FPS gain across 100+ games.