EPYC 4585PX vs EPYC 9354P

AMD

EPYC 4585PX

16 Cores32 Thrd170 WWMax: 5.7 GHz2025
Similar parts
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VS
AMD

EPYC 9354P

32 Cores64 Thrd280 WWMax: 3.8 GHz2022
EPYC family
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EPYC 4585PX vs EPYC 9354P Performance Spectrum

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.

EPYC 4585PX vs EPYC 9354P FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

EPYC 4585PX vs EPYC 9354P: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

EPYC 4585PX

2025

Why buy it

  • Better for gaming: +17.2% higher average FPS across 50 shared CPU benchmark tests.
  • Costs $2,031 less on MSRP ($699 MSRP vs $2,730 MSRP).
  • Delivers 268.4% more PassMark for each dollar spent, at 100.9 vs 27.4 PassMark/$ ($699 MSRP vs $2,730 MSRP).
  • Draws 170W instead of 280W, a 110W reduction.
  • Integrated graphics onboard with AMD Radeon Graphics, while EPYC 9354P needs a discrete GPU.

Trade-offs

  • Lower PassMark (70,563 vs 74,808).
  • Smaller total L3 cache (128 MB vs 256 MB).

EPYC 9354P

2022

Why buy it

  • +6% higher PassMark.
  • +100% larger total L3 cache (256 MB vs 128 MB).
  • 357.1% more PCIe lanes (128 vs 28) for storage and expansion-heavy builds.

Trade-offs

  • Worse for gaming: lower average FPS than EPYC 4585PX across 50 shared CPU benchmark tests.
  • Lower PassMark per dollar, at 27.4 vs 100.9 PassMark/$ ($2,730 MSRP vs $699 MSRP).
  • 64.7% higher power demand at 280W vs 170W.
  • No integrated graphics, while EPYC 4585PX can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is EPYC 4585PX better than EPYC 9354P?
It depends on what you want from the system. For gaming, EPYC 4585PX is ahead with a 17.2% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, EPYC 9354P pulls ahead with 6% better PassMark. EPYC 9354P also has the bigger cache pool with 100% larger total L3 cache (256 MB vs 128 MB).
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, EPYC 9354P is the stronger fit. You are getting 6% better PassMark, backed by 32 cores and 64 threads. It also has the larger cache pool with 100% larger total L3 cache (256 MB vs 128 MB).
Which one is the smarter buy today, not just the cheaper CPU?
EPYC 4585PX is the better buy right now. EPYC 4585PX comes in $2,031 cheaper on MSRP at $699 MSRP versus $2,730 MSRP, and it still gives you a 17.2% average FPS lead across 50 shared CPU game tests in our data. The compromise is that EPYC 9354P is still stronger for heavier multi-core work with 6% better PassMark. It is also 268.4% better value on MSRP (100.9 vs 27.4 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
EPYC 4585PX makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2022). That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

EPYC 4585PX vs EPYC 9354P Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

AMD

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.

AMD

EPYC 9354P

The EPYC 9354P 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: 74,808 points. Launch price was $2,730.

Processing Power

The EPYC 4585PX packs 16 cores / 32 threads, while the EPYC 9354P offers 32 cores / 64 threads — the EPYC 9354P has 16 more cores. Boost clocks reach 5.7 GHz on the EPYC 4585PX versus 3.8 GHz on the EPYC 9354P — 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 9354P uses Genoa (2022−2023) (5 nm, 6 nm). In PassMark, the EPYC 4585PX scores 70,563 against the EPYC 9354P's 74,808 — a 5.8% lead for the EPYC 9354P. L3 cache: 128 MB (total) on the EPYC 4585PX vs 256 MB (total) on the EPYC 9354P.

FeatureEPYC 4585PXEPYC 9354P
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
74,808+6%
🧠

Memory & Platform

The EPYC 4585PX uses the AM5 socket (PCIe 4.0), while the EPYC 9354P 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 9354P — the EPYC 4585PX supports 16.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 9354P supports up to 6144 of RAM compared to 256 2300% more capacity for professional workloads. Memory channels: 2 (EPYC 4585PX) vs 12 (EPYC 9354P). PCIe lanes: 28 (EPYC 4585PX) vs 128 (EPYC 9354P) — the EPYC 9354P offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AM5 (EPYC 4585PX) and SP5 (EPYC 9354P).

FeatureEPYC 4585PXEPYC 9354P
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
Yes
Yes
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 9354P). The EPYC 4585PX includes integrated graphics (AMD Radeon Graphics), while the EPYC 9354P requires a dedicated GPU. Direct competitor: EPYC 4585PX rivals Core Ultra 9 285K; EPYC 9354P rivals Xeon Platinum 8468.

FeatureEPYC 4585PXEPYC 9354P
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

At launch, the EPYC 4585PX was priced at $699, while the EPYC 9354P came in at $2730. On launch pricing ($699 vs $2730), EPYC 4585PX was $2031 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 4585PX delivers 100.9 pts/$ vs 27.4 pts/$ for the EPYC 9354P — making the EPYC 4585PX the 114.6% better value option.

FeatureEPYC 4585PXEPYC 9354P
MSRP
$699-74%
$2730
Performance per Dollar
100.9+268%
27.4
Release Date
2025
2022

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