Core Ultra 7 255H vs EPYC 4245P

Intel

Core Ultra 7 255H

16 Cores16 Thrd26 WWMax: 5.1 GHz2025
Core Ultra family
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VS
AMD

EPYC 4245P

6 Cores12 Thrd65 WWMax: 5.4 GHz2025
EPYC family
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Core Ultra 7 255H vs EPYC 4245P Performance Spectrum

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Core Ultra 7 255H vs EPYC 4245P FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Core Ultra 7 255H vs EPYC 4245P: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core Ultra 7 255H

2025

Why buy it

  • Better for gaming: +18.2% higher average FPS across 50 shared CPU benchmark tests.
  • Draws 26W instead of 65W, a 39W reduction.
  • 16.7% more PCIe lanes (28 vs 24) for storage and expansion-heavy builds.

Trade-offs

  • Smaller total L3 cache (24 MB vs 32 MB).
  • No AVX-512 support for niche heavy compute workloads where it can matter.

EPYC 4245P

2025

Why buy it

  • +33.3% larger total L3 cache (32 MB vs 24 MB).
  • AVX-512 support for select workstation, AI, and scientific workloads.

Trade-offs

  • Worse for gaming: lower average FPS than Core Ultra 7 255H across 50 shared CPU benchmark tests.
  • Lower Geekbench multi-core (14,616 vs 15,700).
  • 150% higher power demand at 65W vs 26W.

Quick Answers

So, is Core Ultra 7 255H better than EPYC 4245P?
Not really, because they are built for different jobs. EPYC 4245P makes more sense for workstation-style multi-core throughput, while Core Ultra 7 255H is the more practical desktop choice for gaming, platform cost, and everyday use.
Which one is better for gaming?
If gaming is the priority, Core Ultra 7 255H is the better pick. According to our tests, it delivers 18.2% more average FPS across 50 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core Ultra 7 255H is the stronger fit. You are getting 7.4% better Geekbench multi-core, backed by 16 cores and 16 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core Ultra 7 255H still makes the most sense overall. Core Ultra 7 255H comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 18.2% average FPS lead across 50 shared CPU game tests in our data.
Which one is more future-proof for 2026 and beyond?
EPYC 4245P makes more sense long term for 2026 and beyond. You are getting AVX-512 support for heavier modern compute workloads. That makes it the safer long-term bet.

Core Ultra 7 255H vs EPYC 4245P Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Intel

Core Ultra 7 255H

The Core Ultra 7 255H is manufactured by Intel. It was released in 1 January 2025 (less than a year ago). It is based on the Arrow Lake-H (2025) architecture. It features 16 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5.1 GHz. L3 cache: 24 MB. Built on 5 nm process technology. Socket: FCBGA2049. Thermal design power (TDP): 26 MB + 24 MB. Memory support: DDR5-6400. Passmark benchmark score: 30,932 points. Launch price was $514.

AMD

EPYC 4245P

The EPYC 4245P is manufactured by AMD. It was released in 13 May 2025 (less than a year ago). It is based on the Grado (2025) architecture. It features 6 cores and 12 threads. Base frequency is 3.9 GHz, with boost up to 5.4 GHz. L3 cache: 32 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 65 Watt. Memory support: DDR5. Passmark benchmark score: 31,135 points. Launch price was $239.

Processing Power

The Core Ultra 7 255H packs 16 cores / 16 threads, while the EPYC 4245P offers 6 cores / 12 threads — the Core Ultra 7 255H has 10 more cores. Boost clocks reach 5.1 GHz on the Core Ultra 7 255H versus 5.4 GHz on the EPYC 4245P — a 5.7% clock advantage for the EPYC 4245P (base: 4.4 GHz vs 3.9 GHz). The Core Ultra 7 255H uses the Arrow Lake-H (2025) architecture (5 nm), while the EPYC 4245P uses Grado (2025) (4 nm). In PassMark, the Core Ultra 7 255H scores 30,932 against the EPYC 4245P's 31,135 — a 0.7% lead for the EPYC 4245P. Geekbench 6 single-core — the metric most relevant to gaming — records 2,800 vs 3,347, a 17.8% lead for the EPYC 4245P that directly translates to higher frame rates. Multi-core Geekbench: 15,700 vs 14,616 (7.2% advantage for the Core Ultra 7 255H). L3 cache: 24 MB on the Core Ultra 7 255H vs 32 MB (total) on the EPYC 4245P.

FeatureCore Ultra 7 255HEPYC 4245P
Cores / Threads
16 / 16+167%
6 / 12
Boost Clock
5.1 GHz
5.4 GHz+6%
Base Clock
4.4 GHz+13%
3.9 GHz
L3 Cache
24 MB
32 MB (total)+33%
L2 Cache
1 MB (per core)
Process
5 nm
4 nm-20%
Architecture
Arrow Lake-H (2025)
Grado (2025)
PassMark
30,932
31,135
Cinebench R23 Multi
12,000
Geekbench 6 Single
2,800
3,347+20%
Geekbench 6 Multi
15,700+7%
14,616
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Memory & Platform

The Core Ultra 7 255H uses the FCBGA2049 socket (PCIe 5.0), while the EPYC 4245P uses AM5 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 7 255H versus DDR5-5600 on the EPYC 4245P — the Core Ultra 7 255H supports 14.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 4245P supports up to 256 GB of RAM compared to 128 GB 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 28 (Core Ultra 7 255H) vs 24 (EPYC 4245P) — the Core Ultra 7 255H offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM870,WM880 (Core Ultra 7 255H) and AM5 platform (EPYC 4245P).

FeatureCore Ultra 7 255HEPYC 4245P
Socket
FCBGA2049
AM5
PCIe Generation
PCIe 5.0+25%
PCIe 4.0
Max RAM Speed
DDR5-6400+14%
DDR5-5600
Max RAM Capacity
128 GB
256 GB+100%
RAM Channels
2
2
ECC Support
No
Yes
PCIe Lanes
28+17%
24
🔧

Advanced Features

Neither processor supports overclocking. Only the EPYC 4245P supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core Ultra 7 255H) vs AMD-V (EPYC 4245P). Both include integrated graphics Intel Arc Graphics 140T (Core Ultra 7 255H) and Radeon Graphics (RDNA 2) (EPYC 4245P) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core Ultra 7 255H targets High-End Laptop, EPYC 4245P targets Entry-level Server / Workstation. Direct competitor: EPYC 4245P rivals Xeon E-2436.

FeatureCore Ultra 7 255HEPYC 4245P
Integrated GPU
Yes
Yes
IGPU Model
Intel Arc Graphics 140T
Radeon Graphics (RDNA 2)
Unlocked
No
No
AVX-512
No
Yes
Virtualization
VT-x, VT-d
AMD-V
Target Use
High-End Laptop
Entry-level Server / Workstation