EPYC 9354 vs EPYC 4585PX
EPYC 9354
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 9354
Performance Per Dollar EPYC 4585PX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 9354 | EPYC 4585PX |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($2,498) | ✅ More affordable ($826) |
| Longevity | ✨ Modern (Genoa (2022−2023) / 5 nm, 6 nm) | ✨ Modern (Grado (2025) / 4 nm) |
💎 Value Proposition
| Insight | EPYC 9354 | EPYC 4585PX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+189%) |
| Upfront Cost | ⚠️ Higher cost ($2,498) | ✅ 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 9354 and EPYC 4585PX
EPYC 9354
The EPYC 9354 is manufactured by AMD. It was released in 10 November 2022 (3 years ago). It is based on the Genoa (2022−2023) architecture. It features 32 cores and 64 threads. Base frequency is 3.25 GHz, with boost up to 3.8 GHz. L3 cache: 256 MB (total). L2 cache: 1 MB (per core). Built on 5 nm, 6 nm process technology. Socket: SP5. Thermal design power (TDP): 280 Watt. Memory support: DDR5-4800. Passmark benchmark score: 73,892 points. Launch price was $3,420.
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 9354 packs 32 cores / 64 threads, while the EPYC 4585PX offers 16 cores / 32 threads — the EPYC 9354 has 16 more cores. Boost clocks reach 3.8 GHz on the EPYC 9354 versus 5.7 GHz on the EPYC 4585PX — a 40% clock advantage for the EPYC 4585PX (base: 3.25 GHz vs 4.3 GHz). The EPYC 9354 uses the Genoa (2022−2023) architecture (5 nm, 6 nm), while the EPYC 4585PX uses Grado (2025) (4 nm). In PassMark, the EPYC 9354 scores 73,892 against the EPYC 4585PX's 70,563 — a 4.6% lead for the EPYC 9354. L3 cache: 256 MB (total) on the EPYC 9354 vs 128 MB (total) on the EPYC 4585PX.
| Feature | EPYC 9354 | EPYC 4585PX |
|---|---|---|
| Cores / Threads | 32 / 64+100% | 16 / 32 |
| Boost Clock | 3.8 GHz | 5.7 GHz+50% |
| Base Clock | 3.25 GHz | 4.3 GHz+32% |
| L3 Cache | 256 MB (total)+100% | 128 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 5 nm, 6 nm | 4 nm-20% |
| Architecture | Genoa (2022−2023) | Grado (2025) |
| PassMark | 73,892+5% | 70,563 |
Memory & Platform
The EPYC 9354 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 9354 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 9354 supports up to 6144 of RAM compared to 256 — 184% more capacity for professional workloads. Memory channels: 12 (EPYC 9354) vs 2 (EPYC 4585PX). PCIe lanes: 128 (EPYC 9354) vs 28 (EPYC 4585PX) — the EPYC 9354 offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP5 (EPYC 9354) and AM5 (EPYC 4585PX).
| Feature | EPYC 9354 | 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 9354) vs VT-x, VT-d, AMD-V (EPYC 4585PX). The EPYC 4585PX includes integrated graphics (AMD Radeon Graphics), while the EPYC 9354 requires a dedicated GPU. Direct competitor: EPYC 9354 rivals Xeon Platinum 8468; EPYC 4585PX rivals Core Ultra 9 285K.
| Feature | EPYC 9354 | 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 9354 launched at $3420 MSRP, while the EPYC 4585PX debuted at $699. At current prices ($2498 vs $826), the EPYC 4585PX is $1672 cheaper. In terms of value (PassMark points per dollar), the EPYC 9354 delivers 29.6 pts/$ vs 85.4 pts/$ for the EPYC 4585PX — making the EPYC 4585PX the 97.1% better value option.
| Feature | EPYC 9354 | EPYC 4585PX |
|---|---|---|
| MSRP | $3420 | $699-80% |
| Avg Price (30d) | $2498 | $826-67% |
| Performance per Dollar | 29.6 | 85.4+189% |
| Release Date | 2022 | 2025 |
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