EPYC 4585PX vs Ryzen 9 9950X3D

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 Ryzen 9 9950X3D 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 Ryzen 9 9950X3D: 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

✅+0.6% higher PassMark.
✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads, plus 28 PCIe lanes vs 24.
✅16.7% more PCIe lanes (28 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Ryzen 9 9950X3D

2025

Why buy it

Trade-offs

❌Lower PassMark (70,177 vs 70,563).
❌Less compelling for workstation-style loads than EPYC 4585PX, which brings 16 cores / 32 threads and 28 PCIe lanes.

Quick Answers

So, is EPYC 4585PX better than Ryzen 9 9950X3D?

Not really, because they are built for different jobs. EPYC 4585PX makes more sense for workstation-style multi-core throughput, while Ryzen 9 9950X3D is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

For gaming, this matchup is basically a tie in the data we have.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, EPYC 4585PX is the stronger fit. You are getting 0.6% better PassMark, backed by 16 cores and 32 threads.

Which one is the smarter buy today, not just the cheaper CPU?

EPYC 4585PX is the better buy right now. EPYC 4585PX comes in in basically the same MSRP band at $699 MSRP versus $699 MSRP, and it still gives you 0.6% higher PassMark. It is also 0.6% better value on MSRP (100.9 vs 100.4 PassMark/$), 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 more multi-core headroom with 16 cores / 32 threads instead of 16/32. That extra cache should keep paying off in CPU-limited games and high-refresh builds.

EPYC 4585PX vs Ryzen 9 9950X3D Technical Specifications

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

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.

Ryzen 9 9950X3D

The Ryzen 9 9950X3D is manufactured by AMD. It was released in 6 January 2025 (less than a year ago). It is based on the Granite Ridge (2024−2025) 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: 70,177 points. Launch price was $699.

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Processing Power

Both the EPYC 4585PX and Ryzen 9 9950X3D share an identical 16-core/32-thread configuration. Boost clocks reach 5.7 GHz on the EPYC 4585PX versus 5.7 GHz on the Ryzen 9 9950X3D — identical boost frequencies (base: 4.3 GHz vs 4.3 GHz). The EPYC 4585PX uses the Grado (2025) architecture (4 nm), while the Ryzen 9 9950X3D uses Granite Ridge (2024−2025) (4 nm). In PassMark, the EPYC 4585PX scores 70,563 against the Ryzen 9 9950X3D's 70,177 — a 0.5% lead for the EPYC 4585PX. Both processors carry 128 MB (total) of L3 cache.

Feature	EPYC 4585PX	Ryzen 9 9950X3D
Cores / Threads	16 / 32	16 / 32
Boost Clock	5.7 GHz	5.7 GHz
Base Clock	4.3 GHz	4.3 GHz
L3 Cache	128 MB (total)	128 MB (total)
L2 Cache	1 MB (per core)	1 MB (per core)
Process	4 nm	4 nm
Architecture	Grado (2025)	Granite Ridge (2024−2025)
PassMark	70,563	70,177
Cinebench R23 Multi	—	44,500
Geekbench 6 Single	—	3,398
Geekbench 6 Multi	—	22,206

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Memory & Platform

Both processors use the AM5 socket with PCIe 4.0. Both support up to 5600 memory speed. The EPYC 4585PX supports up to 256 GB of RAM compared to 192 GB — 33.3% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 28 (EPYC 4585PX) vs 24 (Ryzen 9 9950X3D) — the EPYC 4585PX offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AM5 (EPYC 4585PX) and X670E,X670,B650E,B650 (Ryzen 9 9950X3D).

Feature	EPYC 4585PX	Ryzen 9 9950X3D
Socket	AM5	AM5
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	5600	DDR5-5600
Max RAM Capacity	256 GB+33%	192 GB
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	28+17%	24

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Advanced Features

Both processors feature an unlocked multiplier for overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d, AMD-V (EPYC 4585PX) vs true (Ryzen 9 9950X3D). Both include integrated graphics — AMD Radeon Graphics (EPYC 4585PX) and Radeon Graphics (2 Cores) (Ryzen 9 9950X3D) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: EPYC 4585PX rivals Core Ultra 9 285K; Ryzen 9 9950X3D rivals Core Ultra 9 285K.

Feature	EPYC 4585PX	Ryzen 9 9950X3D
Integrated GPU	Yes	Yes
IGPU Model	AMD Radeon Graphics	Radeon Graphics (2 Cores)
Unlocked	Yes	Yes
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d, AMD-V	true

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Value Analysis

At launch, the EPYC 4585PX was priced at $699, while the Ryzen 9 9950X3D came in at $699. On launch pricing ($699 vs $699), Ryzen 9 9950X3D was $0 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 4585PX delivers 100.9 pts/$ vs 100.4 pts/$ for the Ryzen 9 9950X3D — making the EPYC 4585PX the 0.5% better value option.

Feature	EPYC 4585PX	Ryzen 9 9950X3D
MSRP	$699	$699
Performance per Dollar	100.9	100.4
Release Date	2025	2025

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