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Apple - M3 vs AMD - Ryzen 9 9900X3D

Last updated · How Mars Score works
M3APPLERENDER
Probe A
Apple
M3
43.6/ 100D
Cores43· 40%
Benchmarks44· 40%
Platform—· 20%
Ryzen 9 9900X3DAMDRENDER
Probe B
AMD
Ryzen 9 9900X3D
58.1/ 100C
Cores57· 40%
Benchmarks59· 40%
Platform—· 20%
Quick verdict

Between the M3 and Ryzen 9 9900X3D, the M3 comes out ahead in tdp, while the Ryzen 9 9900X3D wins on l3 cache and cinebench r23 (multi). Overall, the M3 scores 43.6 and the Ryzen 9 9900X3D scores 58.1 on our Mars Score.

Buying advice

Which should you buy?

The Ryzen 9 9900X3D is the clear pick on raw spec strength, leading by 14.5 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.

Pick the M3 if you care most about tdp. The biggest gaps in its favor are tdp.

Pick the Ryzen 9 9900X3D if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. Its strongest claims are l3 cache, cinebench r23 (multi), cores, among others.

There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.

Bottom line: the Ryzen 9 9900X3D is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.

Why Apple - M3 wins

  • ▲TDP — 98.00 W less. 22 vs 120.

Why AMD - Ryzen 9 9900X3D wins

  • ▲L3 cache — 700.00% more. 128 MB vs 16 MB.
  • ▲Cinebench R23 (multi) — 132.64% more. 33500 vs 14400.
  • ▲Cores — 50.00% more. 12 vs 8.
  • ▲Boost clock — 35.80% more. 5.5 GHz vs 4.05 GHz.
Full readout

Spec comparison

Cores

SpecApple - M3AMD - Ryzen 9 9900X3D
Coresⓘ812lead
Threadsⓘ824lead
Base clockⓘ0 GHz4.4 GHzlead
Boost clockⓘ4.05 GHz5.5 GHzlead
L3 cacheⓘ16 MB128 MBlead

Platform

SpecApple - M3AMD - Ryzen 9 9900X3D
SocketⓘSolderedAM5
TDPⓘ22 Wlead120 W
Integrated graphicsⓘtruetrue
DDR5ⓘtruetrue

Benchmarks

SpecApple - M3AMD - Ryzen 9 9900X3D
Cinebench R23 (multi)ⓘ1440033500lead
Cinebench R23 (single)ⓘ19502240lead
Reader questions

Frequently asked

Drill down

Spec-level deep dives

Cores→Threads→Base clock→Boost clock→L3 cache→Socket→TDP→Integrated graphics→DDR5→Cinebench R23 (multi)→Cinebench R23 (single)→
By manufacturer

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