EPYC 7443 vs Core Ultra 9 275HX
EPYC 7443
Core Ultra 9 275HX
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 7443
Performance Per Dollar Core Ultra 9 275HX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7443 | Core Ultra 9 275HX |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($1,800) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Milan (2021−2023) / 7 nm+) | ✨ Modern (Arrow Lake-HX (2025) / 3 nm) |
💎 Value Proposition
| Insight | EPYC 7443 | Core Ultra 9 275HX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($1,800) | ✅ More affordable ($0) |
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 7443 and Core Ultra 9 275HX
EPYC 7443
The EPYC 7443 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 2.85 GHz, with boost up to 4 GHz. L3 cache: 128 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 200 Watt. Memory support: DDR4-3200. Passmark benchmark score: 56,743 points. Launch price was $2,010.
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.
Processing Power
The EPYC 7443 packs 24 cores / 48 threads, matching the Core Ultra 9 275HX's 24 cores. Boost clocks reach 4 GHz on the EPYC 7443 versus 5.4 GHz on the Core Ultra 9 275HX — a 29.8% clock advantage for the Core Ultra 9 275HX (base: 2.85 GHz vs 2.7 GHz). The EPYC 7443 uses the Milan (2021−2023) architecture (7 nm+), while the Core Ultra 9 275HX uses Arrow Lake-HX (2025) (3 nm). In PassMark, the EPYC 7443 scores 56,743 against the Core Ultra 9 275HX's 56,018 — a 1.3% lead for the EPYC 7443. L3 cache: 128 MB (total) on the EPYC 7443 vs 36 MB (total) on the Core Ultra 9 275HX.
| Feature | EPYC 7443 | Core Ultra 9 275HX |
|---|---|---|
| Cores / Threads | 24 / 48 | 24 / 24 |
| Boost Clock | 4 GHz | 5.4 GHz+35% |
| Base Clock | 2.85 GHz+6% | 2.7 GHz |
| L3 Cache | 128 MB (total)+256% | 36 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 | 56,743+1% | 56,018 |
| Geekbench 6 Single | — | 2,835 |
| Geekbench 6 Multi | — | 17,908 |
Memory & Platform
The EPYC 7443 uses the SP3 socket (PCIe 4.0), while the Core Ultra 9 275HX uses FCBGA2114 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7443 versus DDR5-6400 on the Core Ultra 9 275HX — the EPYC 7443 supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7443 supports up to 4096 of RAM compared to 256 GB — 176.5% more capacity for professional workloads. Memory channels: 8 (EPYC 7443) vs 2 (Core Ultra 9 275HX). PCIe lanes: 128 (EPYC 7443) vs 24 (Core Ultra 9 275HX) — the EPYC 7443 offers 104 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7443) and HM870,WM880 (Core Ultra 9 275HX).
| Feature | EPYC 7443 | Core Ultra 9 275HX |
|---|---|---|
| Socket | SP3 | FCBGA2114 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | 3200+63900% | DDR5-6400 |
| Max RAM Capacity | 4096 | 256 GB+6553500% |
| RAM Channels | 8+300% | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 128+433% | 24 |
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 7443 requires a dedicated GPU. Primary use case: Core Ultra 9 275HX targets High-End Gaming Laptop. Direct competitor: EPYC 7443 rivals Xeon Platinum 8362; Core Ultra 9 275HX rivals Ryzen 9 9955HX.
| Feature | EPYC 7443 | Core Ultra 9 275HX |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Intel Arc Graphics |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
| Target Use | — | High-End Gaming Laptop |
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