EPYC 4585PX vs EPYC 9354
EPYC 4585PX
EPYC 9354
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 4585PX
Performance Per Dollar EPYC 9354
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 4585PX | EPYC 9354 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($826) | ⚠️ Higher cost ($2,498) |
| Longevity | ✨ Modern (Grado (2025) / 4 nm) | ✨ Modern (Genoa (2022−2023) / 5 nm, 6 nm) |
💎 Value Proposition
| Insight | EPYC 4585PX | EPYC 9354 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+189%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($826) | ⚠️ Higher cost ($2,498) |
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 4585PX and EPYC 9354
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.
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.
Processing Power
The EPYC 4585PX packs 16 cores / 32 threads, while the EPYC 9354 offers 32 cores / 64 threads — the EPYC 9354 has 16 more cores. Boost clocks reach 5.7 GHz on the EPYC 4585PX versus 3.8 GHz on the EPYC 9354 — a 40% clock advantage for the EPYC 4585PX (base: 4.3 GHz vs 3.25 GHz). The EPYC 4585PX uses the Grado (2025) architecture (4 nm), while the EPYC 9354 uses Genoa (2022−2023) (5 nm, 6 nm). In PassMark, the EPYC 4585PX scores 70,563 against the EPYC 9354's 73,892 — a 4.6% lead for the EPYC 9354. L3 cache: 128 MB (total) on the EPYC 4585PX vs 256 MB (total) on the EPYC 9354.
| Feature | EPYC 4585PX | EPYC 9354 |
|---|---|---|
| Cores / Threads | 16 / 32 | 32 / 64+100% |
| Boost Clock | 5.7 GHz+50% | 3.8 GHz |
| Base Clock | 4.3 GHz+32% | 3.25 GHz |
| L3 Cache | 128 MB (total) | 256 MB (total)+100% |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 4 nm-20% | 5 nm, 6 nm |
| Architecture | Grado (2025) | Genoa (2022−2023) |
| PassMark | 70,563 | 73,892+5% |
Memory & Platform
The EPYC 4585PX uses the AM5 socket (PCIe 4.0), while the EPYC 9354 uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5600 on the EPYC 4585PX versus 4800 on the EPYC 9354 — 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: 2 (EPYC 4585PX) vs 12 (EPYC 9354). PCIe lanes: 28 (EPYC 4585PX) vs 128 (EPYC 9354) — the EPYC 9354 offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AM5 (EPYC 4585PX) and SP5 (EPYC 9354).
| Feature | EPYC 4585PX | EPYC 9354 |
|---|---|---|
| Socket | AM5 | SP5 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | 5600+17% | 4800 |
| Max RAM Capacity | 256 | 6144+2300% |
| RAM Channels | 2 | 12+500% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 28 | 128+357% |
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, AMD-V (EPYC 4585PX) vs VT-x, VT-d, SEV-SNP (EPYC 9354). The EPYC 4585PX includes integrated graphics (AMD Radeon Graphics), while the EPYC 9354 requires a dedicated GPU. Direct competitor: EPYC 4585PX rivals Core Ultra 9 285K; EPYC 9354 rivals Xeon Platinum 8468.
| Feature | EPYC 4585PX | EPYC 9354 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | AMD Radeon Graphics | None |
| Unlocked | Yes | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d, AMD-V | VT-x, VT-d, SEV-SNP |
Value Analysis
The EPYC 4585PX launched at $699 MSRP, while the EPYC 9354 debuted at $3420. At current prices ($826 vs $2498), the EPYC 4585PX is $1672 cheaper. In terms of value (PassMark points per dollar), the EPYC 4585PX delivers 85.4 pts/$ vs 29.6 pts/$ for the EPYC 9354 — making the EPYC 4585PX the 97.1% better value option.
| Feature | EPYC 4585PX | EPYC 9354 |
|---|---|---|
| MSRP | $699-80% | $3420 |
| Avg Price (30d) | $826-67% | $2498 |
| Performance per Dollar | 85.4+189% | 29.6 |
| Release Date | 2025 | 2022 |
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