Xeon Gold 6448H vs EPYC 4585PX
Xeon Gold 6448H
EPYC 4585PX
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 Xeon Gold 6448H
Performance Per Dollar EPYC 4585PX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Gold 6448H | EPYC 4585PX |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($3,658) | ✅ More affordable ($826) |
| Longevity | ✨ Modern (Sapphire Rapids (2023−2024) / Intel 7 nm) | ✨ Modern (Grado (2025) / 4 nm) |
💎 Value Proposition
| Insight | Xeon Gold 6448H | EPYC 4585PX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+345%) |
| Upfront Cost | ⚠️ Higher cost ($3,658) | ✅ More affordable ($826) |
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 Xeon Gold 6448H and EPYC 4585PX
Xeon Gold 6448H
The Xeon Gold 6448H is manufactured by Intel. It was released in 10 January 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 32 cores and 64 threads. Base frequency is 2.4 GHz, with boost up to 4.1 GHz. L3 cache: 60 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 250 Watt. Memory support: DDR5-4800, DDR5-4400. Passmark benchmark score: 70,292 points. Launch price was $3,658.
EPYC 4585PX
The EPYC 4585PX is manufactured by AMD. It was released in 13 May 2025 (less than a year ago). It is based on the Grado (2025) architecture. It features 16 cores and 32 threads. Base frequency is 4.3 GHz, with boost up to 5.7 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 170 Watt. Memory support: DDR5. Passmark benchmark score: 70,563 points. Launch price was $699.
Processing Power
The Xeon Gold 6448H packs 32 cores / 64 threads, while the EPYC 4585PX offers 16 cores / 32 threads — the Xeon Gold 6448H has 16 more cores. Boost clocks reach 4.1 GHz on the Xeon Gold 6448H versus 5.7 GHz on the EPYC 4585PX — a 32.7% clock advantage for the EPYC 4585PX (base: 2.4 GHz vs 4.3 GHz). The Xeon Gold 6448H uses the Sapphire Rapids (2023−2024) architecture (Intel 7 nm), while the EPYC 4585PX uses Grado (2025) (4 nm). In PassMark, the Xeon Gold 6448H scores 70,292 against the EPYC 4585PX's 70,563 — a 0.4% lead for the EPYC 4585PX. L3 cache: 60 MB on the Xeon Gold 6448H vs 128 MB (total) on the EPYC 4585PX.
| Feature | Xeon Gold 6448H | EPYC 4585PX |
|---|---|---|
| Cores / Threads | 32 / 64+100% | 16 / 32 |
| Boost Clock | 4.1 GHz | 5.7 GHz+39% |
| Base Clock | 2.4 GHz | 4.3 GHz+79% |
| L3 Cache | 60 MB | 128 MB (total)+113% |
| L2 Cache | 2 MB (per core)+100% | 1 MB (per core) |
| Process | Intel 7 nm | 4 nm-43% |
| Architecture | Sapphire Rapids (2023−2024) | Grado (2025) |
| PassMark | 70,292 | 70,563 |
Memory & Platform
The Xeon Gold 6448H uses the LGA4677 socket (PCIe 5.0), while the EPYC 4585PX uses AM5 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Xeon Gold 6448H versus 5600 on the EPYC 4585PX — the EPYC 4585PX supports 15.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6448H supports up to 4096 of RAM compared to 256 — 176.5% more capacity for professional workloads. Memory channels: 8 (Xeon Gold 6448H) vs 2 (EPYC 4585PX). PCIe lanes: 80 (Xeon Gold 6448H) vs 28 (EPYC 4585PX) — the Xeon Gold 6448H offers 52 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C741 (Xeon Gold 6448H) and AM5 (EPYC 4585PX).
| Feature | Xeon Gold 6448H | EPYC 4585PX |
|---|---|---|
| Socket | LGA4677 | AM5 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | 4800 | 5600+17% |
| Max RAM Capacity | 4096+1500% | 256 |
| RAM Channels | 8+300% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 80+186% | 28 |
Advanced Features
Only the EPYC 4585PX 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. Virtualization support: VT-x, VT-d (Xeon Gold 6448H) vs VT-x, VT-d, AMD-V (EPYC 4585PX). The EPYC 4585PX includes integrated graphics (AMD Radeon Graphics), while the Xeon Gold 6448H requires a dedicated GPU. Direct competitor: Xeon Gold 6448H rivals EPYC 9454; EPYC 4585PX rivals Core Ultra 9 285K.
| Feature | Xeon Gold 6448H | EPYC 4585PX |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | AMD Radeon Graphics |
| Unlocked | No | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d, AMD-V |
Value Analysis
The Xeon Gold 6448H launched at $3658 MSRP, while the EPYC 4585PX debuted at $699.
| Feature | Xeon Gold 6448H | EPYC 4585PX |
|---|---|---|
| MSRP | $3658 | $699-81% |
| Avg Price (30d) | — | $826 |
| Release Date | 2023 | 2025 |
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