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i9-9900K vs Ryzen 7 3700X

Full specification comparison between the Intel Core i9-9900K (2018) and the AMD Ryzen 7 3700X (2019).

Winner

i9-9900K

Intel Entry-level

58 / perf index
  • ~4% faster on average
  • Higher boost clock (5.0 vs 4.4 GHz)
  • Has integrated graphics

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Ryzen 7 3700X

AMD Entry-level

56 / perf index
  • Larger L3 cache (32 MB vs 16 MB)
  • Lower power draw (65 W vs 95 W)
  • Cheaper at launch ($329 vs $488)
  • Newer (2019 vs 2018)
  • Better performance per dollar

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Verdict: The i9-9900K is around 4% faster than the Ryzen 7 3700X on average — a modest edge you may notice in demanding titles, but not a generational leap.

For gaming the i9-9900K leads, but the Ryzen 7 3700X pulls ahead in heavily multi-threaded work like rendering, compiling and video export thanks to its stronger multi-core throughput.

Note they use different platforms (LGA1151 vs AM4), so this is a motherboard decision too, not just a CPU swap.

At launch pricing, the Ryzen 7 3700X offers more performance per dollar, and the Ryzen 7 3700X is the more power-efficient chip.

Estimated performance

i9-9900K
58
Ryzen 7 3700X
56

Estimated average 1080p gaming performance compiled from publicly available benchmark data. Individual games vary.

Specs side by side

Specificationi9-9900KRyzen 7 3700X
FamilyCoffee Lake RefreshZen 2
SocketLGA1151AM4
Release year20182019
Est. gaming perf.
58
56
Est. multi-core perf.
28
29
Est. single-core perf.
55
55
Cores
8
8
Threads
16
16
Max boost clock
5.0 GHz
4.4 GHz
L3 cache
16 MB
32 MB
TDP (base)
95 W
65 W
Integrated graphicsUHD 630None
Launch MSRP
$488
$329

Green bars mark the better value in each row (for power and price, lower wins).

Frequently asked questions

Is the i9-9900K better than the Ryzen 7 3700X?

Yes — based on aggregated benchmark data, the i9-9900K is about 4% faster than the Ryzen 7 3700X on average.

How much faster is the i9-9900K than the Ryzen 7 3700X?

Roughly 4% on average in gaming workloads. The gap varies by title, resolution and settings.

Which processor is better value?

Comparing launch prices, the Ryzen 7 3700X delivers more performance per dollar. Check current street prices, as market pricing often shifts the value equation.

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