EPYC 9384X vs EPYC 4585PX
EPYC 9384X
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 EPYC 9384X
Performance Per Dollar EPYC 4585PX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 9384X | EPYC 4585PX |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($4,157) | ✅ More affordable ($826) |
| Longevity | ✨ Modern (Genoa-X (2023) / 5 nm) | ✨ Modern (Grado (2025) / 4 nm) |
💎 Value Proposition
| Insight | EPYC 9384X | EPYC 4585PX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+392%) |
| Upfront Cost | ⚠️ Higher cost ($4,157) | ✅ 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 EPYC 9384X and EPYC 4585PX
EPYC 9384X
The EPYC 9384X is manufactured by AMD. It was released in 13 June 2023 (2 years ago). It is based on the Genoa-X (2023) architecture. It features 32 cores and 64 threads. Base frequency is 3.1 GHz, with boost up to 3.9 GHz. L3 cache: 768 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: SP5. Thermal design power (TDP): 320 Watt. Memory support: DDR5. Passmark benchmark score: 72,121 points. Launch price was $5,529.
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 EPYC 9384X packs 32 cores / 64 threads, while the EPYC 4585PX offers 16 cores / 32 threads — the EPYC 9384X has 16 more cores. Boost clocks reach 3.9 GHz on the EPYC 9384X versus 5.7 GHz on the EPYC 4585PX — a 37.5% clock advantage for the EPYC 4585PX (base: 3.1 GHz vs 4.3 GHz). The EPYC 9384X uses the Genoa-X (2023) architecture (5 nm), while the EPYC 4585PX uses Grado (2025) (4 nm). In PassMark, the EPYC 9384X scores 72,121 against the EPYC 4585PX's 70,563 — a 2.2% lead for the EPYC 9384X. L3 cache: 768 MB (total) on the EPYC 9384X vs 128 MB (total) on the EPYC 4585PX.
| Feature | EPYC 9384X | EPYC 4585PX |
|---|---|---|
| Cores / Threads | 32 / 64+100% | 16 / 32 |
| Boost Clock | 3.9 GHz | 5.7 GHz+46% |
| Base Clock | 3.1 GHz | 4.3 GHz+39% |
| L3 Cache | 768 MB (total)+500% | 128 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 5 nm | 4 nm-20% |
| Architecture | Genoa-X (2023) | Grado (2025) |
| PassMark | 72,121+2% | 70,563 |
Memory & Platform
The EPYC 9384X uses the SP5 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 EPYC 9384X 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 EPYC 9384X supports up to 6144 of RAM compared to 256 — 184% more capacity for professional workloads. Memory channels: 12 (EPYC 9384X) vs 2 (EPYC 4585PX). PCIe lanes: 128 (EPYC 9384X) vs 28 (EPYC 4585PX) — the EPYC 9384X offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP5 (EPYC 9384X) and AM5 (EPYC 4585PX).
| Feature | EPYC 9384X | EPYC 4585PX |
|---|---|---|
| Socket | SP5 | AM5 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | 4800 | 5600+17% |
| Max RAM Capacity | 6144+2300% | 256 |
| RAM Channels | 12+500% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+357% | 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, SEV-SNP (EPYC 9384X) vs VT-x, VT-d, AMD-V (EPYC 4585PX). The EPYC 4585PX includes integrated graphics (AMD Radeon Graphics), while the EPYC 9384X requires a dedicated GPU. Direct competitor: EPYC 9384X rivals Xeon Platinum 8468; EPYC 4585PX rivals Core Ultra 9 285K.
| Feature | EPYC 9384X | EPYC 4585PX |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | AMD Radeon Graphics |
| Unlocked | No | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d, SEV-SNP | VT-x, VT-d, AMD-V |
Value Analysis
The EPYC 9384X launched at $5529 MSRP, while the EPYC 4585PX debuted at $699. At current prices ($4157 vs $826), the EPYC 4585PX is $3331 cheaper. In terms of value (PassMark points per dollar), the EPYC 9384X delivers 17.3 pts/$ vs 85.4 pts/$ for the EPYC 4585PX — making the EPYC 4585PX the 132.5% better value option.
| Feature | EPYC 9384X | EPYC 4585PX |
|---|---|---|
| MSRP | $5529 | $699-87% |
| Avg Price (30d) | $4157 | $826-80% |
| Performance per Dollar | 17.3 | 85.4+394% |
| Release Date | 2023 | 2025 |
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