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Core Ultra 7 265K — Arrow Lake · 20C/20T · 125 W · LGA1851
Intel

Core Ultra 7 265K

Arrow Lake · 20C/20T · 125 W · LGA1851

85
/ 100
From $399
VS
EPYC 9354 — Zen 4 · 32C/64T · SP5
AMD

EPYC 9354

Zen 4 · 32C/64T · SP5

85
/ 100
From $3,420
Specdex verdict

Dead heat — it comes down to priorities.

In our weighted Specdex score, Core Ultra 7 265K lands at 85 and EPYC 9354 at 85. With scores tied, the decision hinges on which sub-scores matter most to you.

Pick Core Ultra 7 265K if…

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

Pick EPYC 9354 if…

  • ✓Massive core counts
  • ✓ECC memory support
  • ✓Workstation/server-grade platform
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Winner by scenario

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

Gaming

Core Ultra 7 265K

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

Core Ultra 7 265K leads on gaming (84 vs 65).

Creators & productivity

Tie

Rendering, compilation, heavy multitasking — favours core count

Effectively tied — neither pulls a 2-point weighted lead.

Power efficiency

Core Ultra 7 265K

Performance per watt — thermals, PSU headroom, electricity cost

Core Ultra 7 265K leads on efficiency (83 vs 78).

Value for money

Core Ultra 7 265K

Specdex score per dollar at MSRP

Core Ultra 7 265K more score per dollar ($399 vs $3,420).

Core Ultra 7 265K 85
vs
85 EPYC 9354

Score breakdown

Core Ultra 7 265K
85
single 87
multi 85
gaming 84
efficiency 83
EPYC 9354
85
single 77
multi 85
gaming 65
efficiency 78

Specs side-by-side

Core Ultra 7 265K versus EPYC 9354 — full spec comparison
Spec Core Ultra 7 265K EPYC 9354
Architecture
Arrow Lake
Zen 4
Cores
20
▲ 32
Threads
20
▲ 64
TDP
125 W
—
Socket
LGA1851
SP5
Release year
2024
2022

Core Ultra 7 265K

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

EPYC 9354

Pros
  • +Massive core counts
  • +ECC memory support
  • +Workstation/server-grade platform
Cons
  • −Niche platform, limited motherboards
  • −High TDP requires serious cooling
  • −Premium price

FAQ: Core Ultra 7 265K vs EPYC 9354

Which is better, Core Ultra 7 265K or EPYC 9354? +

Both score 85 on our weighted rubric — tied. Your best pick depends on the sub-scores above.

Is Core Ultra 7 265K worth the price? +

At $399, Core Ultra 7 265K delivers a Specdex score of 85 — strongest in single.

Is EPYC 9354 worth the price? +

At $3,420, EPYC 9354 delivers a Specdex score of 85 — strongest in multi.

Does Core Ultra 7 265K or EPYC 9354 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 Ultra 7 265K or EPYC 9354? +

Core Ultra 7 265K — leads on gaming (84 vs 65). Frame-rate-bound workloads — favours cache and single-thread speed.

Which is better for power efficiency, Core Ultra 7 265K or EPYC 9354? +

Core Ultra 7 265K — leads on efficiency (83 vs 78). Performance per watt — thermals, PSU headroom, electricity cost.