Intel Core Ultra 5 345K
Panther Lake · 14C · 5.5 GHz
EPYC 9454
Zen 4 · 48C/96T · SP5
EPYC 9454 takes it — here’s why.
In our weighted Specdex score, Intel Core Ultra 5 345K lands at 84 and EPYC 9454 at 88. That puts EPYC 9454 ahead by 4 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Intel Core Ultra 5 345K if…
- ✓Latest generation silicon
- ✓Improved perf-per-watt
- ✓Full modern feature set
Pick EPYC 9454 if…
- ✓Massive core counts
- ✓ECC memory support
- ✓Workstation/server-grade platform
Winner by scenario
Derived from the sub-score breakdown · not a separate testGaming
Intel Core Ultra 5 345KFrame-rate-bound workloads — favours cache and single-thread speed
Intel Core Ultra 5 345K leads on gaming (85 vs 68).
Creators & productivity
EPYC 9454Rendering, compilation, heavy multitasking — favours core count
EPYC 9454 leads on multi (88 vs 84).
Power efficiency
Intel Core Ultra 5 345KPerformance per watt — thermals, PSU headroom, electricity cost
Intel Core Ultra 5 345K leads on efficiency (86 vs 78).
Value for money
Intel Core Ultra 5 345KSpecdex score per dollar at MSRP
Intel Core Ultra 5 345K more score per dollar ($329 vs $5,225).
Score breakdown
Specs side-by-side
| Spec | Intel Core Ultra 5 345K | EPYC 9454 |
|---|---|---|
| Architecture | Panther Lake | Zen 4 |
| Cores | 14 | ▲ 48 |
| Socket | LGA1851 | SP5 |
| Release year | 2025 | 2022 |
| Threads | — | 96 |
Intel Core Ultra 5 345K
- +Latest generation silicon
- +Improved perf-per-watt
- +Full modern feature set
- −Premium pricing
- −Requires up-to-date platform
- −Initial stock scarcity likely
EPYC 9454
- +Massive core counts
- +ECC memory support
- +Workstation/server-grade platform
- −Niche platform, limited motherboards
- −High TDP requires serious cooling
- −Premium price
FAQ: Intel Core Ultra 5 345K vs EPYC 9454
Which is better, Intel Core Ultra 5 345K or EPYC 9454? +
EPYC 9454 scores 88 on our weighted rubric — ahead by 4. Your best pick depends on the sub-scores above.
Is Intel Core Ultra 5 345K worth the price? +
At $329, Intel Core Ultra 5 345K delivers a Specdex score of 84 — strongest in single.
Is EPYC 9454 worth the price? +
At $5,225, EPYC 9454 delivers a Specdex score of 88 — strongest in multi.
Does Intel Core Ultra 5 345K or EPYC 9454 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, Intel Core Ultra 5 345K or EPYC 9454? +
Intel Core Ultra 5 345K — leads on gaming (85 vs 68). Frame-rate-bound workloads — favours cache and single-thread speed.
Which is better for creator and productivity work, Intel Core Ultra 5 345K or EPYC 9454? +
EPYC 9454 — leads on multi (88 vs 84). Rendering, compilation, heavy multitasking — favours core count.