Core Ultra 7 255H vs EPYC 4245P
Core Ultra 7 255H
EPYC 4245P
Performance Spectrum - CPU
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.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core Ultra 7 255H
Performance Per Dollar EPYC 4245P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core Ultra 7 255H | EPYC 4245P |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Arrow Lake-H (2025) / 5 nm) | ✨ Modern (Grado (2025) / 4 nm) |
💎 Value Proposition
| Insight | Core Ultra 7 255H | EPYC 4245P |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Core Ultra 7 255H and EPYC 4245P
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.
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.
| Feature | Core Ultra 7 255H | EPYC 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 |
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. Both support up to DDR5-6400 memory speed. The EPYC 4245P supports up to 256 GB of RAM compared to 128 GB — 66.7% 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).
| Feature | Core Ultra 7 255H | EPYC 4245P |
|---|---|---|
| Socket | FCBGA2049 | AM5 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-6400 | DDR5-5600 |
| Max RAM Capacity | 128 GB | 256 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| 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.
| Feature | Core Ultra 7 255H | EPYC 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 |
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