EPYC 7453 vs Core Ultra 7 265HX
EPYC 7453
Core Ultra 7 265HX
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 EPYC 7453
Performance Per Dollar Core Ultra 7 265HX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7453 | Core Ultra 7 265HX |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($1,253) | ✅ More affordable ($450) |
| Longevity | ✨ Modern (Milan (2021−2023) / 7 nm+) | ✨ Modern (Arrow Lake-HX (2025) / 3 nm) |
💎 Value Proposition
| Insight | EPYC 7453 | Core Ultra 7 265HX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+181%) |
| Upfront Cost | ⚠️ Higher cost ($1,253) | ✅ More affordable ($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 EPYC 7453 and Core Ultra 7 265HX
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.
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.
Processing Power
The EPYC 7453 packs 28 cores / 56 threads, while the Core Ultra 7 265HX offers 20 cores / 20 threads — the EPYC 7453 has 8 more cores. Boost clocks reach 3.45 GHz on the EPYC 7453 versus 5.3 GHz on the Core Ultra 7 265HX — a 42.3% clock advantage for the Core Ultra 7 265HX (base: 2.75 GHz vs 2.6 GHz). The EPYC 7453 uses the Milan (2021−2023) architecture (7 nm+), while the Core Ultra 7 265HX uses Arrow Lake-HX (2025) (3 nm). In PassMark, the EPYC 7453 scores 48,453 against the Core Ultra 7 265HX's 48,975 — a 1.1% lead for the Core Ultra 7 265HX. L3 cache: 64 MB (total) on the EPYC 7453 vs 30 MB (total) on the Core Ultra 7 265HX.
| Feature | EPYC 7453 | Core Ultra 7 265HX |
|---|---|---|
| Cores / Threads | 28 / 56+40% | 20 / 20 |
| Boost Clock | 3.45 GHz | 5.3 GHz+54% |
| Base Clock | 2.75 GHz+6% | 2.6 GHz |
| L3 Cache | 64 MB (total)+113% | 30 MB (total) |
| L2 Cache | 512 kB (per core) | 3 MB (per core)+500% |
| Process | 7 nm+ | 3 nm-57% |
| Architecture | Milan (2021−2023) | Arrow Lake-HX (2025) |
| PassMark | 48,453 | 48,975+1% |
| Geekbench 6 Single | — | 2,990 |
| Geekbench 6 Multi | — | 17,417 |
Memory & Platform
The EPYC 7453 uses the SP3 socket (PCIe 4.0), while the Core Ultra 7 265HX uses FCBGA2114 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7453 versus DDR5-6400 on the Core Ultra 7 265HX — 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: 8 (EPYC 7453) vs 2 (Core Ultra 7 265HX). PCIe lanes: 128 (EPYC 7453) vs 20 (Core Ultra 7 265HX) — the EPYC 7453 offers 108 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3,C621A (EPYC 7453) and WM880,HM870 (Core Ultra 7 265HX).
| Feature | EPYC 7453 | Core Ultra 7 265HX |
|---|---|---|
| Socket | SP3 | FCBGA2114 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | 3200+63900% | DDR5-6400 |
| Max RAM Capacity | 4096 | 192 GB+4915100% |
| RAM Channels | 8+300% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+540% | 20 |
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 | EPYC 7453 | Core Ultra 7 265HX |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Arc Xe-LPG Graphics 64EU |
| Unlocked | No | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
Value Analysis
The EPYC 7453 launched at $1570 MSRP, while the Core Ultra 7 265HX debuted at $450.
| Feature | EPYC 7453 | Core Ultra 7 265HX |
|---|---|---|
| MSRP | $1570 | $450-71% |
| Avg Price (30d) | $1253 | — |
| Release Date | 2021 | 2025 |
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