EPYC 4124P vs Ryzen 9 5900X

CPU

GPU

EPYC 4124P

4 Cores8 Thrd65 WWMax: 5.1 GHz2024

EPYC family

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Ryzen 9 5900X

12 Cores24 Thrd105 WWMax: 4.8 GHz2020

Ryzen family

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EPYC 4124P vs Ryzen 9 5900X Performance Spectrum

EPYC 4124P

4 / 8

18,139

0.0%

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 9960X

Ryzen 9 5900X

12 / 24

38,955

+114.8%

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 9975WX

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 4124P vs Ryzen 9 5900X 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 4124P vs Ryzen 9 5900X: Pros, Cons & Final Verdict

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

EPYC 4124P

2024

Why buy it

✅Better for workstations and heavier parallel workloads: 4 cores / 8 threads, plus 28 PCIe lanes vs 24.
✅Draws 65W instead of 105W, a 40W reduction.
✅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 Radeon Graphics, while Ryzen 9 5900X needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (10,500 vs 21,000).
❌Smaller total L3 cache (32 MB vs 64 MB).

Ryzen 9 5900X

2020

Why buy it

✅Better for gaming: +27.3% higher average FPS across 50 shared CPU benchmark tests.
✅+100% larger total L3 cache (64 MB vs 32 MB).

Trade-offs

❌Less compelling for workstation-style loads than EPYC 4124P, which brings 4 cores / 8 threads and 28 PCIe lanes.
❌Launch MSRP is still $549 MSRP, while EPYC 4124P mostly shows up through inconsistent older-market listings.
❌61.5% higher power demand at 105W vs 65W.
❌Older platform position on AM4 with DDR4, while EPYC 4124P moves to AM5 and DDR5.
❌No integrated graphics, while EPYC 4124P can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen 9 5900X better than EPYC 4124P?

Not really, because they are built for different jobs. EPYC 4124P makes more sense for workstation-style multi-core throughput, while Ryzen 9 5900X is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Ryzen 9 5900X is the better pick. According to our tests, it delivers 27.3% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Ryzen 9 5900X is the stronger fit. You are getting 100% better Cinebench R23 multi-core, backed by 12 cores and 24 threads. It also has the larger cache pool with 100% larger total L3 cache (64 MB vs 32 MB).

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

Ryzen 9 5900X is the better buy right now. Ryzen 9 5900X comes in at an unclear MSRP at $549 MSRP versus unclear MSRP, and it still gives you a 27.3% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (71.0 vs 0.0 PassMark/$), 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 4124P makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2020), a healthier platform with AM5 and DDR5 instead of AM4, and AVX-512 support for heavier modern compute workloads. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

EPYC 4124P vs Ryzen 9 5900X Technical Specifications

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

EPYC 4124P

The EPYC 4124P 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 4 cores and 8 threads. Base frequency is 3.8 GHz, with boost up to 5.1 GHz. L3 cache: 32 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 65 Watt. Memory support: DDR5. Passmark benchmark score: 18,139 points. Launch price was $149.

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.

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Processing Power

The EPYC 4124P packs 4 cores / 8 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Ryzen 9 5900X has 8 more cores. Boost clocks reach 5.1 GHz on the EPYC 4124P versus 4.8 GHz on the Ryzen 9 5900X — a 6.1% clock advantage for the EPYC 4124P (base: 3.8 GHz vs 3.7 GHz). The EPYC 4124P 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 4124P scores 18,139 against the Ryzen 9 5900X's 38,955 — a 72.9% lead for the Ryzen 9 5900X. Cinebench R23 multi-core: 10,500 vs 21,000 (66.7% advantage for the Ryzen 9 5900X). Geekbench 6 single-core — the metric most relevant to gaming — records 1,962 vs 2,174, a 10.3% lead for the Ryzen 9 5900X that directly translates to higher frame rates. Multi-core Geekbench: 1,898 vs 11,888 (144.9% advantage for the Ryzen 9 5900X). L3 cache: 32 MB (total) on the EPYC 4124P vs 64 MB on the Ryzen 9 5900X.

Feature	EPYC 4124P	Ryzen 9 5900X
Cores / Threads	4 / 8	12 / 24+200%
Boost Clock	5.1 GHz+6%	4.8 GHz
Base Clock	3.8 GHz+3%	3.7 GHz
L3 Cache	32 MB (total)	64 MB+100%
L2 Cache	1 MB (per core)	512K (per core)+51100%
Process	5 nm-29%	7 nm, 12 nm
Architecture	Raphael (2023−2025)	Vermeer (Zen3) (2020−2022)
PassMark	18,139	38,955+115%
Cinebench R23 Multi	10,500	21,000+100%
Geekbench 6 Single	1,962	2,174+11%
Geekbench 6 Multi	1,898	11,888+526%

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Memory & Platform

The EPYC 4124P 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 DDR5-5200 on the EPYC 4124P versus DDR4-3200 on the Ryzen 9 5900X — the EPYC 4124P supports 62.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 4124P supports up to 192 GB of RAM compared to 128 GB — 50% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 28 (EPYC 4124P) vs 24 (Ryzen 9 5900X) — the EPYC 4124P offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: B650,X670,X870 (EPYC 4124P) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).

Feature	EPYC 4124P	Ryzen 9 5900X
Socket	AM5	AM4
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	DDR5-5200+63%	DDR4-3200
Max RAM Capacity	192 GB+50%	128 GB
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	28+17%	24

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Advanced Features

Only the Ryzen 9 5900X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the EPYC 4124P supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V, AMD-Vi (EPYC 4124P) vs AMD-V (Ryzen 9 5900X). The EPYC 4124P includes integrated graphics (Radeon Graphics), while the Ryzen 9 5900X requires a dedicated GPU. Primary use case: EPYC 4124P targets Entry Server, Ryzen 9 5900X targets Workstation. Direct competitor: EPYC 4124P rivals Core i5-10500T; Ryzen 9 5900X rivals Core i9-12900K.