Core Ultra 7 265HX vs EPYC 7453
Core Ultra 7 265HX
EPYC 7453
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 265HX
Performance Per Dollar EPYC 7453
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core Ultra 7 265HX | EPYC 7453 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($450) | ⚠️ Higher cost ($1,253) |
| Longevity | ✨ Modern (Arrow Lake-HX (2025) / 3 nm) | ✨ Modern (Milan (2021−2023) / 7 nm+) |
💎 Value Proposition
| Insight | Core Ultra 7 265HX | EPYC 7453 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+181%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($450) | ⚠️ Higher cost ($1,253) |
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 265HX and EPYC 7453
Core Ultra 7 265HX
The Core Ultra 7 265HX 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 2.6 GHz, with boost up to 5.3 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: 48,975 points. Launch price was $500.
EPYC 7453
The EPYC 7453 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 28 cores and 56 threads. Base frequency is 2.75 GHz, with boost up to 3.45 GHz. L3 cache: 64 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 225 Watt. Memory support: DDR4-3200. Passmark benchmark score: 48,453 points. Launch price was $1,570.
Processing Power
The Core Ultra 7 265HX packs 20 cores / 20 threads, while the EPYC 7453 offers 28 cores / 56 threads — the EPYC 7453 has 8 more cores. Boost clocks reach 5.3 GHz on the Core Ultra 7 265HX versus 3.45 GHz on the EPYC 7453 — a 42.3% clock advantage for the Core Ultra 7 265HX (base: 2.6 GHz vs 2.75 GHz). The Core Ultra 7 265HX uses the Arrow Lake-HX (2025) architecture (3 nm), while the EPYC 7453 uses Milan (2021−2023) (7 nm+). In PassMark, the Core Ultra 7 265HX scores 48,975 against the EPYC 7453's 48,453 — a 1.1% lead for the Core Ultra 7 265HX. L3 cache: 30 MB (total) on the Core Ultra 7 265HX vs 64 MB (total) on the EPYC 7453.
| Feature | Core Ultra 7 265HX | EPYC 7453 |
|---|---|---|
| Cores / Threads | 20 / 20 | 28 / 56+40% |
| Boost Clock | 5.3 GHz+54% | 3.45 GHz |
| Base Clock | 2.6 GHz | 2.75 GHz+6% |
| L3 Cache | 30 MB (total) | 64 MB (total)+113% |
| 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 | 48,975+1% | 48,453 |
| Geekbench 6 Single | 2,990 | — |
| Geekbench 6 Multi | 17,417 | — |
Memory & Platform
The Core Ultra 7 265HX uses the FCBGA2114 socket (PCIe 5.0), while the EPYC 7453 uses SP3 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 7 265HX versus 3200 on the EPYC 7453 — the EPYC 7453 supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7453 supports up to 4096 of RAM compared to 192 GB — 182.1% more capacity for professional workloads. Memory channels: 2 (Core Ultra 7 265HX) vs 8 (EPYC 7453). PCIe lanes: 20 (Core Ultra 7 265HX) vs 128 (EPYC 7453) — the EPYC 7453 offers 108 more lanes for additional GPUs or NVMe drives. Chipset compatibility: WM880,HM870 (Core Ultra 7 265HX) and SP3,C621A (EPYC 7453).
| Feature | Core Ultra 7 265HX | EPYC 7453 |
|---|---|---|
| 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 | 20 | 128+540% |
Advanced Features
Only the Core Ultra 7 265HX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support VT-x, VT-d virtualization. The Core Ultra 7 265HX includes integrated graphics (Arc Xe-LPG Graphics 64EU), while the EPYC 7453 requires a dedicated GPU. Direct competitor: EPYC 7453 rivals Xeon Platinum 8362.
| Feature | Core Ultra 7 265HX | EPYC 7453 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Arc Xe-LPG Graphics 64EU | None |
| Unlocked | Yes | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
Value Analysis
The Core Ultra 7 265HX launched at $450 MSRP, while the EPYC 7453 debuted at $1570.
| Feature | Core Ultra 7 265HX | EPYC 7453 |
|---|---|---|
| MSRP | $450-71% | $1570 |
| Avg Price (30d) | — | $1253 |
| Release Date | 2025 | 2021 |
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