CPUs compared

AMD Ryzen 9 7900X vs Intel Core i9-13900KF

  • The AMD Ryzen 9 7900X launched $15 lower ($549 vs $564).
  • Different sockets (AM5 and LGA1700): they need different motherboards.
  • The Intel Core i9-13900KF has 12 more cores (24 vs 12).
AMD

AMD Ryzen 9 7900X

12 cores · 5.6 GHz · AM5 · DDR5-5200

Launched at $549

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Intel

Intel Core i9-13900KF

24 cores · 5.8 GHz · LGA1700 · DDR4-3200/DDR5-5600

Launched at $564

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Specs side by side

9 of 11 differ, marked. Speed isn't compared here: we only list specs we can source.

SpecAMD Ryzen 9 7900XIntel Core i9-13900KF
Cores12 cores, 24 threads24 cores, 32 threads
Boost clockUp to 5.6 GHzUp to 5.8 GHz
L3 cache64 MB36 MB
Power (TDP)170 W125 W
Built-in graphicsYesNo
SocketAM5LGA1700
PCIePCIe 5.0PCIe 5.0
Official DDR5 speedDDR5-5200 (DDR5-3600 with 4 modules)DDR5-5600 (DDR5-4400 with 4 modules)
SegmentDesktopDesktop
LaunchedSep 27, 2022Oct 20, 2022
Official DDR4 speed—DDR4-3200

Which motherboards take them

AMD Ryzen 9 7900X

AM5 boards with these chipsets:

  • X870E
  • X870
  • B850
  • B840
  • X670E
  • X670
  • A620
  • A620A
  • B650E
  • B650

Intel Core i9-13900KF

LGA1700 boards with these chipsets:

  • H610
  • B660
  • H670
  • Z690
  • Q670
  • W680
  • B760
  • H770
  • Z790

Sources

AMD Ryzen 9 7900X

  1. Wikipedia: List of AMD Ryzen processors · CC BY-SA 4.0

Intel Core i9-13900KF

  1. Wikipedia: Raptor Lake · CC BY-SA 4.0

Specs last checked Oct 19, 2026. Spotted a mistake? Tell us and we'll fix it.