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CPU Comparison: FPS, Specs & Value

Ryzen 7 2700X vs Ryzen 9 3900X

The Ryzen 7 2700X is slower than the Ryzen 9 3900X on average across 100+ games. We cannot compare value as at least one CPU is out of stock.

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CPU

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Up to 52% cheaper – $329 vs $499
Up to 22% better value for money

CPU

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Up to 25% faster on average across 100+ games
Is 1 year and 3 months newer
Up to 52% more expensive – $499 vs $329

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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League of Legends2009

208FPS

255FPS

520FPS

583FPS

Grand Theft Auto V2013

Ryzen 7 2700X

203FPS

Ryzen 9 3900X

210FPS

Valorant2020

Ryzen 7 2700X

584FPS

Ryzen 9 3900X

625FPS

Overwatch 22023

Ryzen 7 2700X

519FPS

Ryzen 9 3900X

528FPS

Dota 22013

Ryzen 7 2700X

187FPS

Ryzen 9 3900X

206FPS

Fortnite2017

Ryzen 7 2700X

326FPS

Ryzen 9 3900X

330FPS

Minecraft2011

Ryzen 7 2700X

612FPS

Ryzen 9 3900X

655FPS

Specs & Benchmark Comparison

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

Scorehelp

Ryzen 7 2700X

27%

Ryzen 9 3900X

38%

Ryzen 9 3900X ranks 11 points higher.

Coreshelp

Ryzen 7 2700X

Ryzen 9 3900X

Ryzen 9 3900X has 4 more cores.

Threadshelp

Ryzen 7 2700X

Ryzen 9 3900X

Ryzen 9 3900X has 8 more threads.

L3 Cachehelp

Ryzen 7 2700X

16 MB

Ryzen 9 3900X

64 MB

Ryzen 9 3900X has 48 MB more L3 cache.

Base Frequencyhelp

Ryzen 7 2700X

3.7 GHz

Ryzen 9 3900X

3.8 GHz

Ryzen 9 3900X has a 3% higher base clock.

Turbo Frequencyhelp

Ryzen 7 2700X

4.35 GHz

Ryzen 9 3900X

4.6 GHz

Ryzen 9 3900X boosts 6% higher.

TDPhelp

Ryzen 7 2700X

105W

Ryzen 9 3900X

105W

Pricehelp

Ryzen 7 2700X

Ryzen 9 3900X

Ryzen 7 2700XRyzen 9 3900X

AM4

Sockethelp

AM4

Zen

Codenamehelp

Matisse

Desktop

Segmenthelp

Desktop

No Integrated Graphics

Integrated GPUhelp

No Integrated Graphics

2933 MHz (DDR4)

RAMhelp

3200 MHz (DDR4)

Overclockable

Overclock Supporthelp

Overclockable

Frequently Asked Questions

compare_arrowsWhich is better, Ryzen 7 2700X or Ryzen 9 3900X?expand_more

The Ryzen 9 3900X. It's 41% faster than the Ryzen 7 2700X on average across 100+ games, scoring 38/100 vs 27/100 in our gaming rating.

speedHow much faster is Ryzen 9 3900X than Ryzen 7 2700X?expand_more

41% 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, Ryzen 7 2700X or Ryzen 9 3900X?expand_more

The Ryzen 9 3900X is faster at both resolutions. Toggle the resolution selector above to see per-game FPS.

paidIs the Ryzen 9 3900X 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 Ryzen 7 2700X and Ryzen 9 3900X?expand_more

Performance: Ryzen 7 2700X scores 27/100, Ryzen 9 3900X 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 Ryzen 7 2700X or Ryzen 9 3900X 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 Ryzen 7 2700X or Ryzen 9 3900X?expand_more

The Ryzen 9 3900X is the stronger pick at 38/100. Compare your current CPU against it to see the exact FPS gain across 100+ games.