CPU
GPU
Core Ultra 9 275HX
EPYC 7401
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 9 275HX
Performance Per Dollar EPYC 7401
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core Ultra 9 275HX | EPYC 7401 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($450) |
| Longevity | ✨ Modern (Arrow Lake-HX (2025) / 3 nm) | ✨ Modern (Naples (2017−2018) / 14 nm) |
💎 Value Proposition
| Insight | Core Ultra 9 275HX | EPYC 7401 |
|---|---|---|
| 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 9 275HX and EPYC 7401
Core Ultra 9 275HX
The Core Ultra 9 275HX is manufactured by Intel. It was released in 2025-01-01. It is based on the Arrow Lake-HX (2025) architecture. It features 24 cores and 24 threads. Base frequency is 2.7 GHz, with boost up to 5.4 GHz. L3 cache: 36 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: 56,018 points. Launch price was $600.
EPYC 7401
The EPYC 7401 is manufactured by AMD. It was released in 29 June 2017 (8 years ago). It is based on the Naples (2017−2018) architecture. It features 24 cores and 48 threads. Base frequency is 2 GHz, with boost up to 3 GHz. L3 cache: 64 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: TR4. Thermal design power (TDP): 170 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 55,280 points. Launch price was $1,850.
Processing Power
The Core Ultra 9 275HX packs 24 cores / 24 threads, matching the EPYC 7401's 24 cores. Boost clocks reach 5.4 GHz on the Core Ultra 9 275HX versus 3 GHz on the EPYC 7401 — a 57.1% clock advantage for the Core Ultra 9 275HX (base: 2.7 GHz vs 2 GHz). The Core Ultra 9 275HX uses the Arrow Lake-HX (2025) architecture (3 nm), while the EPYC 7401 uses Naples (2017−2018) (14 nm). In PassMark, the Core Ultra 9 275HX scores 56,018 against the EPYC 7401's 55,280 — a 1.3% lead for the Core Ultra 9 275HX. L3 cache: 36 MB (total) on the Core Ultra 9 275HX vs 64 MB (total) on the EPYC 7401.
| Feature | Core Ultra 9 275HX | EPYC 7401 |
|---|---|---|
| Cores / Threads | 24 / 24 | 24 / 48 |
| Boost Clock | 5.4 GHz+80% | 3 GHz |
| Base Clock | 2.7 GHz+35% | 2 GHz |
| L3 Cache | 36 MB (total) | 64 MB (total)+78% |
| L2 Cache | 3 MB (per core)+500% | 512K (per core) |
| Process | 3 nm-79% | 14 nm |
| Architecture | Arrow Lake-HX (2025) | Naples (2017−2018) |
| PassMark | 56,018+1% | 55,280 |
| Geekbench 6 Single | 2,835 | — |
| Geekbench 6 Multi | 17,908 | — |
Memory & Platform
The Core Ultra 9 275HX uses the FCBGA2114 socket (PCIe 5.0), while the EPYC 7401 uses TR4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 9 275HX versus 2666 on the EPYC 7401 — the EPYC 7401 supports 199.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7401 supports up to 2048 of RAM compared to 256 GB — 155.6% more capacity for professional workloads. Memory channels: 2 (Core Ultra 9 275HX) vs 8 (EPYC 7401). PCIe lanes: 24 (Core Ultra 9 275HX) vs 128 (EPYC 7401) — the EPYC 7401 offers 104 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM870,WM880 (Core Ultra 9 275HX) and SP3 (EPYC 7401).
| Feature | Core Ultra 9 275HX | EPYC 7401 |
|---|---|---|
| Socket | FCBGA2114 | TR4 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-6400 | 2666+53220% |
| Max RAM Capacity | 256 GB+13107100% | 2048 |
| RAM Channels | 2 | 8+300% |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 24 | 128+433% |
Advanced Features
Only the Core Ultra 9 275HX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support VT-x, VT-d virtualization. The Core Ultra 9 275HX includes integrated graphics (Intel Arc Graphics), while the EPYC 7401 requires a dedicated GPU. Primary use case: Core Ultra 9 275HX targets High-End Gaming Laptop. Direct competitor: Core Ultra 9 275HX rivals Ryzen 9 9955HX; EPYC 7401 rivals Xeon Silver 4114.
| Feature | Core Ultra 9 275HX | EPYC 7401 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel Arc Graphics | None |
| Unlocked | Yes | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
| Target Use | High-End Gaming Laptop | — |
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