Core Ultra 7 255HX vs EPYC 7413
Core Ultra 7 255HX
EPYC 7413
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 255HX
Performance Per Dollar EPYC 7413
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core Ultra 7 255HX | EPYC 7413 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($450) |
| Longevity | ✨ Modern (Arrow Lake-HX (2025) / 3 nm) | ✨ Modern (Milan (2021−2023) / 7 nm+) |
💎 Value Proposition
| Insight | Core Ultra 7 255HX | EPYC 7413 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($450) |
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 255HX and EPYC 7413
Core Ultra 7 255HX
The Core Ultra 7 255HX is manufactured by Intel. It was released in 2025-01-01. It is based on the Arrow Lake-HX (2025) architecture. It features 20 cores and 20 threads. Base frequency is 2.4 GHz, with boost up to 5.2 GHz. L3 cache: 30 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: FCBGA2114. Thermal design power (TDP): 55 Watt. Memory support: DDR5-6400. Passmark benchmark score: 49,765 points. Launch price was $450.
EPYC 7413
The EPYC 7413 is manufactured by AMD. It was released in 15 March 2021 (4 years ago). It is based on the Milan (2021−2023) architecture. It features 24 cores and 48 threads. Base frequency is 2.65 GHz, with boost up to 3.6 GHz. L3 cache: 128 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 180 Watt. Memory support: DDR4-3200. Passmark benchmark score: 50,641 points. Launch price was $1,825.
Processing Power
The Core Ultra 7 255HX packs 20 cores / 20 threads, while the EPYC 7413 offers 24 cores / 48 threads — the EPYC 7413 has 4 more cores. Boost clocks reach 5.2 GHz on the Core Ultra 7 255HX versus 3.6 GHz on the EPYC 7413 — a 36.4% clock advantage for the Core Ultra 7 255HX (base: 2.4 GHz vs 2.65 GHz). The Core Ultra 7 255HX uses the Arrow Lake-HX (2025) architecture (3 nm), while the EPYC 7413 uses Milan (2021−2023) (7 nm+). In PassMark, the Core Ultra 7 255HX scores 49,765 against the EPYC 7413's 50,641 — a 1.7% lead for the EPYC 7413. L3 cache: 30 MB (total) on the Core Ultra 7 255HX vs 128 MB (total) on the EPYC 7413.
| Feature | Core Ultra 7 255HX | EPYC 7413 |
|---|---|---|
| Cores / Threads | 20 / 20 | 24 / 48+20% |
| Boost Clock | 5.2 GHz+44% | 3.6 GHz |
| Base Clock | 2.4 GHz | 2.65 GHz+10% |
| L3 Cache | 30 MB (total) | 128 MB (total)+327% |
| L2 Cache | 3 MB (per core)+500% | 512 kB (per core) |
| Process | 3 nm-57% | 7 nm+ |
| Architecture | Arrow Lake-HX (2025) | Milan (2021−2023) |
| PassMark | 49,765 | 50,641+2% |
| Geekbench 6 Single | 2,923 | — |
| Geekbench 6 Multi | 16,885 | — |
Memory & Platform
The Core Ultra 7 255HX uses the FCBGA2114 socket (PCIe 5.0), while the EPYC 7413 uses SP3 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 7 255HX versus 3200 on the EPYC 7413 — the EPYC 7413 supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7413 supports up to 4096 of RAM compared to 192 GB — 182.1% more capacity for professional workloads. Memory channels: 2 (Core Ultra 7 255HX) vs 8 (EPYC 7413). PCIe lanes: 24 (Core Ultra 7 255HX) vs 128 (EPYC 7413) — the EPYC 7413 offers 104 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel HM870,Intel WM880 (Core Ultra 7 255HX) and SP3 (EPYC 7413).
| Feature | Core Ultra 7 255HX | EPYC 7413 |
|---|---|---|
| Socket | FCBGA2114 | SP3 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-6400 | 3200+63900% |
| Max RAM Capacity | 192 GB+4915100% | 4096 |
| RAM Channels | 2 | 8+300% |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 24 | 128+433% |
Advanced Features
Only the Core Ultra 7 255HX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the EPYC 7413 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: true (Core Ultra 7 255HX) vs VT-x, VT-d (EPYC 7413). The Core Ultra 7 255HX includes integrated graphics (Intel Arc Xe-LPG), while the EPYC 7413 requires a dedicated GPU. Direct competitor: Core Ultra 7 255HX rivals Ryzen 9 9850HX; EPYC 7413 rivals Xeon Gold 6338.
| Feature | Core Ultra 7 255HX | EPYC 7413 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel Arc Xe-LPG | None |
| Unlocked | Yes | No |
| AVX-512 | No | Yes |
| Virtualization | true | VT-x, VT-d |
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