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Core i9-9900K vs Ryzen 5 5600X

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Performance score

Core i9-9900K 2018 · 8/16 cores/threads, 95 W
33.48
Ryzen 5 5600X 2020, $299 · 6/12 cores/threads, 65 W
33.47

Core i9-9900K and Ryzen 5 5600X are almost equally fast (under 3% apart) — choose by price, socket and platform.

Different sockets (LGA1151 and AM4) — switching between them needs a different motherboard.

The score is our own estimate from the specs (cores, threads, clocks, architecture generation), not a benchmark run. 100 = the fastest CPU in our database.

Real tests

What the test measures

Blender is a popular free 3D graphics program. The test makes the device render three ready-made 3D scenes (light, shadows, reflections) and counts how many render passes it finishes per minute. The higher the number, the faster the device handles heavy work: 3D, video editing, photo processing. On a CPU the test loads all cores at once, so it shows the chip's full power; on a graphics card it shows its compute strength.

CPU rendering (Blender)

Core i9-9900K
170+13 %

faster than 70% of tested · runs: 58

faster than 67% of tested · runs: 241

Median of real test runs on users' computers. It does not show FPS in games. Data updated: 31.10.2026.

Overview

Core i9-9900KRyzen 5 5600X
Score (0–100) 33.48 33.47
Ranking position 237 238
Price/performance (0–100) no data 40.17
Power efficiency (0–100) 18.42 26.91
Type Desktop Desktop
Manufacturer Intel AMD
Architecture Coffee Lake Refresh Zen 3 (Vermeer)
Release date Q4 2018 2020-11-05
Launch price no data $299

Specifications

Core i9-9900KRyzen 5 5600X
Cores 8 6
Threads 16 12
Base clock 3.6 GHz 3.7 GHz
Boost clock 5 GHz 4.6 GHz
L2 cache no data 3 MB
L3 cache 16 MB 32 MB
Process node 14 nm 7 nm
Unlocked multiplier yes yes
Integrated graphics Intel UHD Graphics 630 no
NPU (AI accelerator) no no

Compatibility

Core i9-9900KRyzen 5 5600X
Socket LGA1151 AM4
TDP 95 W 65 W
Max temperature no data 95 °C

Memory and PCI Express

Core i9-9900KRyzen 5 5600X
Memory type DDR4-2666 DDR4-3200
Memory channels 2 2
Max memory 128 GB 128 GB
PCI Express version 3.0 4.0
PCIe lanes 16 20

Pros and cons

Core i9-9900K

  • more cores: 8 vs 6
  • more threads: 16 vs 12
  • has integrated graphics (Intel UHD Graphics 630)

Ryzen 5 5600X

  • 15% faster single core
  • bigger L3 cache: 32 MB vs 16 MB
  • lower TDP: 65 W vs 95 W
  • newer: released in 2020

Other comparisons

Preliminary data: specs are still being checked against the manufacturer's website.

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