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Intel - Core Ultra 9 285K vs AMD - Ryzen AI 9 HX 395+

Last updated · How Mars Score works
Core Ultra 9 285KINTELRENDER
Probe A
Intel
Core Ultra 9 285K
60.9/ 100C
Cores57· 40%
Benchmarks65· 40%
Platform· 20%
Ryzen AI 9 HX 395+AMDRENDER
Probe B
AMD
Ryzen AI 9 HX 395+
54.3/ 100D
Cores54· 40%
Benchmarks54· 40%
Platform· 20%
Quick verdict

Between the Core Ultra 9 285K and Ryzen AI 9 HX 395+, the Core Ultra 9 285K comes out ahead in cinebench r23 (multi) and cores, while the Ryzen AI 9 HX 395+ wins on l3 cache and tdp. Overall, the Core Ultra 9 285K scores 60.9 and the Ryzen AI 9 HX 395+ scores 54.3 on our Mars Score.

Buying advice

Which should you buy?

The Core Ultra 9 285K edges ahead on the Mars Score (60.9 vs 54.3), but the 6.6-point gap is small enough that the right pick comes down to which spec advantages matter to you.

Pick the Core Ultra 9 285K if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. The biggest gaps in its favor are cinebench r23 (multi), cores, boost clock.

Pick the Ryzen AI 9 HX 395+ if you care most about l3 cache and tdp. Its strongest claims are l3 cache, tdp.

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

Bottom line: the Core Ultra 9 285K is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.

Why Intel - Core Ultra 9 285K wins

  • Cinebench R23 (multi) — 55.64% more. 42800 vs 27500.
  • Cores — 50.00% more. 24 vs 16.
  • Boost clock — 11.76% more. 5.7 GHz vs 5.1 GHz.

Why AMD - Ryzen AI 9 HX 395+ wins

  • L3 cache — 77.78% more. 64 MB vs 36 MB.
  • TDP — 70.00 W less. 55 vs 125.
Full readout

Spec comparison

Cores

SpecIntel - Core Ultra 9 285KAMD - Ryzen AI 9 HX 395+
Cores24lead16
Threads2432lead
Base clock3.7 GHzlead3.0 GHz
Boost clock5.7 GHzlead5.1 GHz
L3 cache36 MB64 MBlead

Platform

SpecIntel - Core Ultra 9 285KAMD - Ryzen AI 9 HX 395+
SocketLGA1851FP11
TDP125 W55 Wlead
Integrated graphicstruetrue
DDR5truetrue

Benchmarks

SpecIntel - Core Ultra 9 285KAMD - Ryzen AI 9 HX 395+
Cinebench R23 (multi)42800lead27500
Cinebench R23 (single)2230lead2050
Drill down

Spec-level deep dives

By manufacturer

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