this post was submitted on 29 Feb 2024
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[–] Die4Ever@programming.dev 5 points 8 months ago* (last edited 8 months ago)

When taking the geometric mean of all the performance benchmarks carried out, the combination of one Zen 4 and one Zen 4C core was around 84% the speed of two Zen 4 cores -- not bad at all for the Zen 4C showing especially with it topping out at 3.7GHz rather than 5.0GHz.

the geometric mean showed 1x Z4 was 3.597, 1x Z4 + 1x Z4C was 5.427, and 2x Z4 was 6.481

so the Z4C core added 1.83 compared to the 2nd Z4 which added 2.884, so a Z4C core is about 63% as fast as a Z4 core with 74% of the clockspeed

so Z4C has about 85% of the IPC as the Z4 core