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Apple - M4 Ultra vs AMD - Ryzen 9 9950X vs AMD - Ryzen 9 9950X3D

Last updated May 31, 2026
M4 UltraAPPLERENDER
Probe A
Apple
M4 Ultra
63.1/ 100C
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Ryzen 9 9950XAMDRENDER
Probe B
AMD
Ryzen 9 9950X
61.1/ 100C
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Ryzen 9 9950X3DAMDRENDER
Probe C
AMD
Ryzen 9 9950X3D
62.9/ 100C
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Quick verdict

Across Apple - M4 Ultra, AMD - Ryzen 9 9950X, and AMD - Ryzen 9 9950X3D, the Apple - M4 Ultra takes the highest Mars Score (63.1), followed by AMD - Ryzen 9 9950X3D (62.9) and AMD - Ryzen 9 9950X (61.1). See the full readout below.

Pick the Apple - M4 Ultra if you want the highest-scoring choice on raw spec strength. The lead is narrow (0.2 points), so the runner-up is a fair alternative if its specific strengths fit your use.

Pick the AMD - Ryzen 9 9950X3D when you want the same overall quality at a likely lower street price — the score gap is small enough to be invisible day-to-day.

Pick the AMD - Ryzen 9 9950X if its specific spec advantages line up; the score gap to the runner-up is small enough that this is a legitimate value play.

Apple - M4 Ultra
Cores54· 40%
Benchmarks72· 40%
Platform—· 20%
AMD - Ryzen 9 9950X
Cores57· 40%
Benchmarks65· 40%
Platform—· 20%
AMD - Ryzen 9 9950X3D
Cores60· 40%
Benchmarks66· 40%
Platform—· 20%
Full readout

Spec comparison

Cores

SpecM4 UltraRyzen 9 9950XRyzen 9 9950X3D
Coresⓘ321616
Threadsⓘ323232
Base clockⓘ0 GHz4.3 GHz4.3 GHz
Boost clockⓘ4.5 GHz5.7 GHz5.7 GHz
L3 cacheⓘ64 MB64 MB128 MB

Platform

SpecM4 UltraRyzen 9 9950XRyzen 9 9950X3D
SocketⓘSolderedAM5AM5
TDPⓘ120 W170 W170 W
Integrated graphicsⓘtruetruetrue
DDR5ⓘtruetruetrue

Benchmarks

SpecM4 UltraRyzen 9 9950XRyzen 9 9950X3D
Cinebench R23 (multi)ⓘ526004250044100
Cinebench R23 (single)ⓘ229022702280
Drill down

Pairwise deep dives

2-way comparison
Apple - M4 Ultra vs AMD - Ryzen 9 9950X
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2-way comparison
Apple - M4 Ultra vs AMD - Ryzen 9 9950X3D
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2-way comparison
AMD - Ryzen 9 9950X vs AMD - Ryzen 9 9950X3D
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Reader questions

Frequently asked

Which scores highest overall: Apple - M4 Ultra, AMD - Ryzen 9 9950X, or AMD - Ryzen 9 9950X3D?+

Apple - M4 Ultra scores highest at 63.1, followed by AMD - Ryzen 9 9950X3D (62.9) and AMD - Ryzen 9 9950X (61.1).

Which is the newest of Apple - M4 Ultra, AMD - Ryzen 9 9950X, and AMD - Ryzen 9 9950X3D?+

Apple - M4 Ultra is the most recent, released 2025-06-10.

Spec drill

One spec at a time

Cores→Threads→Boost clock→L3 cache→Socket→Cinebench R23 (multi)→

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