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CPU Comparison: FPS, Specs & Value

Core i9-7980XE vs Core i9-9900K

The Core i9-7980XE is slightly slower than the Core i9-9900K on average across 100+ games. We cannot compare value as at least one CPU is out of stock.

  • Up to 310% more expensive$1999 vs $447.00
  • Up to 8% faster on average across 100+ games
  • Is 1 year and 2 months newer
  • Up to 310% cheaper$447.00 vs $1999
  • Up to 343% better value for money

FPS Comparison Across Popular Games

Specs & Benchmark Comparison

Scorehelp

Core i9-9900K ranks 4 points higher.

Coreshelp

Core i9-7980XE has 10 more cores.

Threadshelp

Core i9-7980XE has 20 more threads.

L3 Cachehelp

Core i9-7980XE has 8.75 MB more L3 cache.

Base Frequencyhelp

Core i9-9900K has a 38% higher base clock.

Turbo Frequencyhelp

Core i9-9900K boosts 14% higher.

TDPhelp

Core i9-9900K draws 70W less power.

LGA2066
Sockethelp
LGA1151
Skylake-X
Codenamehelp
Coffee Lake-R
Desktop
Segmenthelp
Desktop
No Integrated Graphics
Integrated GPUhelp
UHD Graphics 630
2666 MHz (DDR4)
RAMhelp
2666 MHz (DDR4)
Overclockable
Overclock Supporthelp
Overclockable

Frequently Asked Questions

compare_arrowsWhich is better, Core i9-7980XE or Core i9-9900K?expand_more
The Core i9-9900K. It's 12% faster than the Core i9-7980XE on average across 100+ games, scoring 38/100 vs 34/100 in our gaming rating.
speedHow much faster is Core i9-9900K than Core i9-7980XE?expand_more
12% 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 i9-7980XE or Core i9-9900K?expand_more
The Core i9-9900K is faster at both resolutions. Toggle the resolution selector above to see per-game FPS.
paidIs the Core i9-9900K worth buying in 2026?expand_more
It scores 38/100 in our gaming rating, faster than most CPUs on the market. Good buy if the price is right.
differenceWhat is the difference between Core i9-7980XE and Core i9-9900K?expand_more
Performance: Core i9-7980XE scores 34/100, Core i9-9900K scores 38/100. They also differ in core count, clock speeds, L3 cache, and power draw. Full breakdown in the specs section above.
compressWill the Core i9-7980XE or Core i9-9900K 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 i9-7980XE or Core i9-9900K?expand_more
The Core i9-9900K is the stronger pick at 38/100. Compare your current CPU against it to see the exact FPS gain across 100+ games.

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