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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

EPYC 4584PX

2024

Why buy it

✅Better for gaming: +6.8% higher average FPS across 50 shared CPU benchmark tests.
✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads, plus 28 PCIe lanes vs 24.
✅Newer platform on AM5 with DDR5 support instead of AM4 and DDR4.
✅16.7% more PCIe lanes (28 vs 24) for storage and expansion-heavy builds.
✅Integrated graphics onboard with AMD Radeon Graphics, while Ryzen 9 5900X needs a discrete GPU.

Trade-offs

❌Lower PassMark per dollar, at 39.7 vs 71.0 PassMark/$ ($1,517 MSRP vs $549 MSRP).

Ryzen 9 5900X

2020

Why buy it

✅Costs $968 less on MSRP ($549 MSRP vs $1,517 MSRP).
✅Delivers 78.9% more PassMark for each dollar spent, at 71.0 vs 39.7 PassMark/$ ($549 MSRP vs $1,517 MSRP).

Trade-offs

❌Worse for gaming: lower average FPS than EPYC 4584PX across 50 shared CPU benchmark tests.
❌Lower PassMark (38,955 vs 60,169).
❌Less compelling for workstation-style loads than EPYC 4584PX, which brings 16 cores / 32 threads and 28 PCIe lanes.
❌Older platform position on AM4 with DDR4, while EPYC 4584PX moves to AM5 and DDR5.
❌No integrated graphics, while EPYC 4584PX can still boot and troubleshoot without a discrete GPU.

EPYC 4584PX

2024

Ryzen 9 5900X

2020

Why buy it

✅Better for gaming: +6.8% higher average FPS across 50 shared CPU benchmark tests.
✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads, plus 28 PCIe lanes vs 24.
✅Newer platform on AM5 with DDR5 support instead of AM4 and DDR4.
✅16.7% more PCIe lanes (28 vs 24) for storage and expansion-heavy builds.
✅Integrated graphics onboard with AMD Radeon Graphics, while Ryzen 9 5900X needs a discrete GPU.

Why buy it

✅Costs $968 less on MSRP ($549 MSRP vs $1,517 MSRP).
✅Delivers 78.9% more PassMark for each dollar spent, at 71.0 vs 39.7 PassMark/$ ($549 MSRP vs $1,517 MSRP).

Trade-offs

❌Lower PassMark per dollar, at 39.7 vs 71.0 PassMark/$ ($1,517 MSRP vs $549 MSRP).

Trade-offs

❌Worse for gaming: lower average FPS than EPYC 4584PX across 50 shared CPU benchmark tests.
❌Lower PassMark (38,955 vs 60,169).
❌Less compelling for workstation-style loads than EPYC 4584PX, which brings 16 cores / 32 threads and 28 PCIe lanes.
❌Older platform position on AM4 with DDR4, while EPYC 4584PX moves to AM5 and DDR5.
❌No integrated graphics, while EPYC 4584PX can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is EPYC 4584PX better than Ryzen 9 5900X?

Not in a simple one-size-fits-all way. EPYC 4584PX makes more sense for workstation-style multi-core throughput, while Ryzen 9 5900X is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.

Which one is better for gaming?

If gaming is the priority, EPYC 4584PX is the better pick here. According to our tests, it delivers 6.8% more average FPS across 50 shared CPU game tests. It also has a big cache advantage at 128 MB vs 64 MB.

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

For streaming, content creation, and heavier multitasking, EPYC 4584PX is the better fit. You are getting 54.5% better PassMark, backed by 16 cores and 32 threads. It also carries the larger cache pool with 100% larger total L3 cache (128 MB vs 64 MB).

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

EPYC 4584PX is still the faster CPU overall, but Ryzen 9 5900X makes more sense if price matters more than absolute performance. EPYC 4584PX is 176.3% more expensive on MSRP at $1,517 MSRP versus $549 MSRP, and it gives you a 6.8% average FPS lead across 50 shared CPU game tests in our data. Ryzen 9 5900X is also 78.9% better value on MSRP (71.0 vs 39.7 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

Which one is more future-proof for 2026 and beyond?

EPYC 4584PX is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2020), a healthier platform with AM5 and DDR5 instead of AM4, 3D V-Cache and a much larger 128 MB L3 cache instead of 64 MB, more multi-core headroom with 16 cores / 32 threads instead of 12/24, and AVX-512 support for heavier modern compute workloads. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

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.

EPYC 4584PX Benchmark Check

Ryzen 9 5900X Benchmark Check

Path of Exile 2

Preset	EPYC 4584PX	Ryzen 9 5900X
1080p
low	290 FPS	323 FPS
medium	264 FPS	291 FPS
high	219 FPS	243 FPS
ultra	186 FPS	193 FPS
1440p
low	274 FPS	307 FPS
medium	227 FPS	248 FPS
high	176 FPS	192 FPS
ultra	156 FPS	157 FPS
4K
low	189 FPS	193 FPS
medium	155 FPS	156 FPS
high	119 FPS	115 FPS
ultra	106 FPS	103 FPS

Open EPYC 4584PX Open Ryzen 9 5900X

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 4584PX	Ryzen 9 5900X
1080p
low	701 FPS	772 FPS
medium	599 FPS	647 FPS
high	444 FPS	508 FPS
ultra	375 FPS	450 FPS
1440p
low	574 FPS	619 FPS
medium	511 FPS	536 FPS
high	394 FPS	443 FPS
ultra	312 FPS	364 FPS
4K
low	323 FPS	365 FPS
medium	291 FPS	318 FPS
high	256 FPS	289 FPS
ultra	218 FPS	255 FPS

Open EPYC 4584PX Open Ryzen 9 5900X

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 4584PX	Ryzen 9 5900X
1080p
low	1025 FPS	832 FPS
medium	1166 FPS	645 FPS
high	1102 FPS	558 FPS
ultra	875 FPS	459 FPS
1440p
low	972 FPS	721 FPS
medium	879 FPS	565 FPS
high	806 FPS	488 FPS
ultra	656 FPS	407 FPS
4K
low	597 FPS	511 FPS
medium	519 FPS	421 FPS
high	466 FPS	374 FPS
ultra	394 FPS	308 FPS

Open EPYC 4584PX Open Ryzen 9 5900X

League of Legends

League of Legends

Valorant

Preset	EPYC 4584PX	Ryzen 9 5900X
1080p
low	1303 FPS	974 FPS
medium	1015 FPS	974 FPS
high	993 FPS	934 FPS
ultra	865 FPS	826 FPS
1440p
low	1035 FPS	959 FPS
medium	897 FPS	843 FPS
high	772 FPS	726 FPS
ultra	647 FPS	617 FPS
4K
low	759 FPS	694 FPS
medium	662 FPS	621 FPS
high	577 FPS	541 FPS
ultra	437 FPS	437 FPS

Open EPYC 4584PX Open Ryzen 9 5900X

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 4584PX and Ryzen 9 5900X

EPYC 4584PX

The EPYC 4584PX is manufactured by AMD. It was released in 21 May 2024 (1 year ago). It is based on the Raphael (2023−2025) architecture. It features 16 cores and 32 threads. Base frequency is 4.2 GHz, with boost up to 5.7 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5. Passmark benchmark score: 60,169 points. Launch price was $699.

Ryzen 9 5900X

The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.

⚡

Processing Power

The EPYC 4584PX packs 16 cores / 32 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the EPYC 4584PX has 4 more cores. Boost clocks reach 5.7 GHz on the EPYC 4584PX versus 4.8 GHz on the Ryzen 9 5900X — a 17.1% clock advantage for the EPYC 4584PX (base: 4.2 GHz vs 3.7 GHz). The EPYC 4584PX uses the Raphael (2023−2025) architecture (5 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the EPYC 4584PX scores 60,169 against the Ryzen 9 5900X's 38,955 — a 42.8% lead for the EPYC 4584PX. L3 cache: 128 MB (total) on the EPYC 4584PX vs 64 MB on the Ryzen 9 5900X.

Feature	EPYC 4584PX	Ryzen 9 5900X
Cores / Threads	16 / 32+33%	12 / 24
Boost Clock	5.7 GHz+19%	4.8 GHz
Base Clock	4.2 GHz+14%	3.7 GHz
L3 Cache	128 MB (total)+100%	64 MB
L2 Cache	1 MB (per core)+100%	512K (per core)
Process	5 nm-29%	7 nm, 12 nm
Architecture	Raphael (2023−2025)	Vermeer (Zen3) (2020−2022)
PassMark	60,169+54%	38,955
Cinebench R23 Multi	—	21,000
Geekbench 6 Single	—	2,174
Geekbench 6 Multi	—	11,888

🧠

Memory & Platform

The EPYC 4584PX uses the AM5 socket (PCIe 4.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5200 on the EPYC 4584PX versus DDR4-3200 on the Ryzen 9 5900X — the EPYC 4584PX supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 4584PX supports up to 256 of RAM compared to 128 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 28 (EPYC 4584PX) vs 24 (Ryzen 9 5900X) — the EPYC 4584PX offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AM5 (EPYC 4584PX) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).

Feature	EPYC 4584PX	Ryzen 9 5900X
Socket	AM5	AM4
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	5200+129900%	DDR4-3200
Max RAM Capacity	256	128 GB+52428700%
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	28+17%	24

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the EPYC 4584PX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, AMD-V (EPYC 4584PX) vs AMD-V (Ryzen 9 5900X). The EPYC 4584PX includes integrated graphics (AMD Radeon Graphics), while the Ryzen 9 5900X requires a dedicated GPU. Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: EPYC 4584PX rivals Ryzen 9 7950X; Ryzen 9 5900X rivals Core i9-12900K.

Feature	EPYC 4584PX	Ryzen 9 5900X
Integrated GPU	Yes	No
IGPU Model	AMD Radeon Graphics	—
Unlocked	Yes	Yes
AVX-512	Yes	No
Virtualization	VT-x, VT-d, AMD-V	AMD-V
Target Use	—	Workstation

💰

Value Analysis

The EPYC 4584PX launched at $1517 MSRP, while the Ryzen 9 5900X debuted at $549. On MSRP ($1517 vs $549), the Ryzen 9 5900X is $968 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 4584PX delivers 39.7 pts/$ vs 71.0 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 56.6% better value option.