AMD Ryzen 7 5800 vs Intel Core i9-12900K — Specs & Performance Compared

Verdict: The Intel Core i9-12900K is ahead of the AMD Ryzen 7 5800 on all 4 shared benchmarks on file, by 22% to 96%, including 96% in Cinebench R23 multi (27,392 vs 13,973).

Side-by-side CPU comparison of the AMD Ryzen 7 5800 and the Intel Core i9-12900K. Specs, synthetic benchmarks, AI inference tok/s, and Amazon availability below; each column header links to that part's benchmark page.

AMD · Zen 3

AMD Ryzen 7 5800

Full AMD Ryzen 7 5800 benchmarks →

Intel · Alder Lake

Intel Core i9-12900K

16 cores125W TDP$589 MSRP2021

Full Intel Core i9-12900K benchmarks →

*Price sourced from Amazon.com. Price and availability subject to change.

Where to buy

A listing for each part; the current price and stock are on the retailer's page.

Specs side-by-side

Spec	AMD Ryzen 7 5800	Intel Core i9-12900K
cores	—	16
threads	—	24
p cores	—	8
e cores	—	8
base clock ghz	—	3.2
tdp w	—	125
l2 cache mb	—	14
l3 cache mb	—	30
socket	—	LGA1700

Synthetic benchmarks

Each row says whether a higher or a lower number is better (ranks and times are lower-is-better). Scores come from GadgetVersus, Notebookcheck, Electronic Clinic, TechSpot, CGDirector, technical.city, Geekbench Browser, NanoReview and PassMark; each row links its sources, and where they differ the cell shows their median. Empty cells mean we don't yet have that benchmark on file for the SKU.

Benchmark	AMD Ryzen 7 5800	Intel Core i9-12900K
Cinebench R23 multi (higher is better) Source: GadgetVersus, Notebookcheck, Electronic Clinic, TechSpot, CGDirector	13,973 points	27,392 points
Cinebench R23 single (higher is better) Source: GadgetVersus, Notebookcheck, Electronic Clinic, TechSpot, CGDirector	1,566 points	2,004 points
Geekbench 6 multi (higher is better) Source: technical.city, Geekbench Browser, NanoReview	—	17,450 points
Geekbench 6 single (higher is better) Source: technical.city, Geekbench Browser, NanoReview	—	2,715 points
PassMark CPU Mark (higher is better) Source: PassMark	25,691 pts	41,122 points
PassMark single thread (higher is better) Source: PassMark	—	4,128 points
PassMark Single Thread (higher is better) Source: PassMark	3,381 pts	—
PassMark Single Thread Rating (higher is better) Source: PassMark	3,377 points	4,128 points

Quick answers

Which is faster, the AMD Ryzen 7 5800 or the Intel Core i9-12900K?

The Intel Core i9-12900K is ahead of the AMD Ryzen 7 5800 on all 4 shared benchmarks on file, by 22% to 96%, including 96% in Cinebench R23 multi (27,392 vs 13,973).