Core Ultra 7 255HX vs EPYC 4484PX
Core Ultra 7 255HX
EPYC 4484PX
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 4484PX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core Ultra 7 255HX | EPYC 4484PX |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($599) |
| Longevity | ✨ Modern (Arrow Lake-HX (2025) / 3 nm) | ✨ Modern (Raphael (2023−2025) / 5 nm) |
💎 Value Proposition
| Insight | Core Ultra 7 255HX | EPYC 4484PX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($599) |
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 4484PX
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 4484PX
The EPYC 4484PX is manufactured by AMD. It was released in 21 May 2024 (1 year ago). It is based on the Raphael (2023−2025) architecture. It features 12 cores and 24 threads. Base frequency is 4.4 GHz, with boost up to 5.6 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5. Passmark benchmark score: 50,547 points. Launch price was $599.
Processing Power
The Core Ultra 7 255HX packs 20 cores / 20 threads, while the EPYC 4484PX offers 12 cores / 24 threads — the Core Ultra 7 255HX has 8 more cores. Boost clocks reach 5.2 GHz on the Core Ultra 7 255HX versus 5.6 GHz on the EPYC 4484PX — a 7.4% clock advantage for the EPYC 4484PX (base: 2.4 GHz vs 4.4 GHz). The Core Ultra 7 255HX uses the Arrow Lake-HX (2025) architecture (3 nm), while the EPYC 4484PX uses Raphael (2023−2025) (5 nm). In PassMark, the Core Ultra 7 255HX scores 49,765 against the EPYC 4484PX's 50,547 — a 1.6% lead for the EPYC 4484PX. Geekbench 6 single-core — the metric most relevant to gaming — records 2,923 vs 2,950, a 0.9% lead for the EPYC 4484PX that directly translates to higher frame rates. Multi-core Geekbench: 16,885 vs 17,500 (3.6% advantage for the EPYC 4484PX). L3 cache: 30 MB (total) on the Core Ultra 7 255HX vs 128 MB (total) on the EPYC 4484PX.
| Feature | Core Ultra 7 255HX | EPYC 4484PX |
|---|---|---|
| Cores / Threads | 20 / 20+67% | 12 / 24 |
| Boost Clock | 5.2 GHz | 5.6 GHz+8% |
| Base Clock | 2.4 GHz | 4.4 GHz+83% |
| L3 Cache | 30 MB (total) | 128 MB (total)+327% |
| L2 Cache | 3 MB (per core)+200% | 1 MB (per core) |
| Process | 3 nm-40% | 5 nm |
| Architecture | Arrow Lake-HX (2025) | Raphael (2023−2025) |
| PassMark | 49,765 | 50,547+2% |
| Cinebench R23 Multi | — | 24,500 |
| Geekbench 6 Single | 2,923 | 2,950 |
| Geekbench 6 Multi | 16,885 | 17,500+4% |
Memory & Platform
The Core Ultra 7 255HX uses the FCBGA2114 socket (PCIe 5.0), while the EPYC 4484PX uses AM5 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR5-6400 memory speed. Both support up to 192 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Core Ultra 7 255HX) vs 28 (EPYC 4484PX) — the EPYC 4484PX offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel HM870,Intel WM880 (Core Ultra 7 255HX) and B650,X670,X870 (EPYC 4484PX).
| Feature | Core Ultra 7 255HX | EPYC 4484PX |
|---|---|---|
| Socket | FCBGA2114 | AM5 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-6400 | DDR5-5200 |
| Max RAM Capacity | 192 GB | 192 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 24 | 28+17% |
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 4484PX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: true (Core Ultra 7 255HX) vs AMD-V, AMD-Vi (EPYC 4484PX). Both include integrated graphics — Intel Arc Xe-LPG (Core Ultra 7 255HX) and Radeon Graphics (EPYC 4484PX) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: EPYC 4484PX targets Workstation / Server. Direct competitor: Core Ultra 7 255HX rivals Ryzen 9 9850HX; EPYC 4484PX rivals Ryzen 9 7900X3D.
| Feature | Core Ultra 7 255HX | EPYC 4484PX |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel Arc Xe-LPG | Radeon Graphics |
| Unlocked | Yes | No |
| AVX-512 | No | Yes |
| Virtualization | true | AMD-V, AMD-Vi |
| Target Use | — | Workstation / Server |
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