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Core i9-12900K — Alder Lake · 16C/24T · 125 W · LGA1700
Intel

Core i9-12900K

Alder Lake · 16C/24T · 125 W · LGA1700

84
/ 100
From $589
VS
Intel Core Ultra 7 365K wins by 5
Intel Core Ultra 7 365K — Panther Lake · 22C · 5.8 GHz
Intel

Intel Core Ultra 7 365K

Panther Lake · 22C · 5.8 GHz

89
/ 100
From $429
Specdex verdict

Intel Core Ultra 7 365K takes it — here’s why.

In our weighted Specdex score, Core i9-12900K lands at 84 and Intel Core Ultra 7 365K at 89. That puts Intel Core Ultra 7 365K ahead by 5 points — a decisive margin driven mostly by its strengths in the categories below.

Pick Core i9-12900K if…

  • Strong per-core performance
  • Hybrid P/E cores (12th gen+)
  • Wide platform availability

Pick Intel Core Ultra 7 365K if…

  • Latest generation silicon
  • Improved perf-per-watt
  • Full modern feature set
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Gaming

Intel Core Ultra 7 365K

Frame-rate-bound workloads — favours cache and single-thread speed

Intel Core Ultra 7 365K leads on gaming (90 vs 83).

Creators & productivity

Intel Core Ultra 7 365K

Rendering, compilation, heavy multitasking — favours core count

Intel Core Ultra 7 365K leads on multi (89 vs 84).

Power efficiency

Intel Core Ultra 7 365K

Performance per watt — thermals, PSU headroom, electricity cost

Intel Core Ultra 7 365K leads on efficiency (86 vs 78).

Value for money

Intel Core Ultra 7 365K

Specdex score per dollar at MSRP

Intel Core Ultra 7 365K more score per dollar ($429 vs $589).

Core i9-12900K 84
vs
89 Intel Core Ultra 7 365K

Score breakdown

Core i9-12900K
84
single 86
multi 84
gaming 83
efficiency 78
Intel Core Ultra 7 365K
89
single 91
multi 89
gaming 90
efficiency 86

Specs side-by-side

Core i9-12900K versus Intel Core Ultra 7 365K — full spec comparison
Spec Core i9-12900K Intel Core Ultra 7 365K
Architecture
Alder Lake
Panther Lake
Cores
16
22 (8P+12E+2LP)
Threads
24
TDP
125 W
Socket
LGA1700
LGA1851
Release year
2021
2025

Core i9-12900K

Pros
  • +Strong per-core performance
  • +Hybrid P/E cores (12th gen+)
  • +Wide platform availability
Cons
  • Power draw on top SKUs
  • Frequent socket changes
  • Arrow Lake gaming regressions

Intel Core Ultra 7 365K

Pros
  • +Latest generation silicon
  • +Improved perf-per-watt
  • +Full modern feature set
Cons
  • Premium pricing
  • Requires up-to-date platform
  • Initial stock scarcity likely

FAQ: Core i9-12900K vs Intel Core Ultra 7 365K

Which is better, Core i9-12900K or Intel Core Ultra 7 365K? +

Intel Core Ultra 7 365K scores 89 on our weighted rubric — ahead by 5. Your best pick depends on the sub-scores above.

Is Core i9-12900K worth the price? +

At $589, Core i9-12900K delivers a Specdex score of 84 — strongest in single.

Is Intel Core Ultra 7 365K worth the price? +

At $429, Intel Core Ultra 7 365K delivers a Specdex score of 89 — strongest in single.

Does Core i9-12900K or Intel Core Ultra 7 365K last longer? +

Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.

Which is better for gaming, Core i9-12900K or Intel Core Ultra 7 365K? +

Intel Core Ultra 7 365K — leads on gaming (90 vs 83). Frame-rate-bound workloads — favours cache and single-thread speed.

Which is better for creator and productivity work, Core i9-12900K or Intel Core Ultra 7 365K? +

Intel Core Ultra 7 365K — leads on multi (89 vs 84). Rendering, compilation, heavy multitasking — favours core count.