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i9-9900K vs Ryzen 9 9950X

Full specification comparison between the Intel Core i9-9900K (2018) and the AMD Ryzen 9 9950X (2024).

i9-9900K

Intel Entry-level

58 / perf index
  • Lower power draw (95 W vs 170 W)
  • Cheaper at launch ($488 vs $649)

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Winner

Ryzen 9 9950X

AMD Enthusiast

88 / perf index
  • ~52% faster on average
  • More cores (16 vs 8)
  • Larger L3 cache (64 MB vs 16 MB)
  • Higher boost clock (5.7 vs 5.0 GHz)
  • Newer (2024 vs 2018)

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Verdict: The Ryzen 9 9950X is roughly 52% faster than the i9-9900K on average — a clear, noticeable performance advantage.

Note they use different platforms (AM5 vs LGA1151), so this is a motherboard decision too, not just a CPU swap.

At launch pricing, the Ryzen 9 9950X offers more performance per dollar, and the i9-9900K is the more power-efficient chip.

Estimated performance

i9-9900K
58
Ryzen 9 9950X
88

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

Specs side by side

Specificationi9-9900KRyzen 9 9950X
FamilyCoffee Lake RefreshZen 5
SocketLGA1151AM5
Release year20182024
Est. gaming perf.
58
88
Est. multi-core perf.
28
100
Est. single-core perf.
55
94
Cores
8
16
Threads
16
32
Max boost clock
5.0 GHz
5.7 GHz
L3 cache
16 MB
64 MB
TDP (base)
95 W
170 W
Integrated graphicsUHD 630Radeon Graphics
Launch MSRP
$488
$649

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

Frequently asked questions

Is the Ryzen 9 9950X better than the i9-9900K?

Yes — based on aggregated benchmark data, the Ryzen 9 9950X is about 52% faster than the i9-9900K on average.

How much faster is the Ryzen 9 9950X than the i9-9900K?

Roughly 52% on average in gaming workloads. The gap varies by title, resolution and settings.

Which processor is better value?

Comparing launch prices, the Ryzen 9 9950X delivers more performance per dollar. Check current street prices, as market pricing often shifts the value equation.

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