EPYC 4584PX vs Xeon Gold 6421N

CPU

GPU

EPYC 4584PX

16 Cores32 Thrd120 WWMax: 5.7 GHz2024

Popular choices:

•••••••••

Xeon Gold 6421N

32 Cores64 Thrd185 WWMax: 3.6 GHz2023

Popular choices:

•••••••••

Performance Spectrum - CPU

EPYC 4584PX

16 / 32

60,169

+2.3%

Ryzen AI 9 HX PRO 375

Ryzen Threadripper PRO 5945WX

Ryzen 9 PRO 7945

Ryzen 9 8945HX

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 9960X

Ryzen Threadripper 7970X

Ryzen Threadripper PRO 7985WX

Xeon Gold 6421N

32 / 64

58,797

0.0%

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.

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: +33.6% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $851 less on MSRP ($1,517 MSRP vs $2,368 MSRP).
✅Delivers 59.7% more PassMark for each dollar spent, at 39.7 vs 24.8 PassMark/$ ($1,517 MSRP vs $2,368 MSRP).
✅Draws 120W instead of 185W, a 65W reduction.
✅Integrated graphics onboard with AMD Radeon Graphics, while Xeon Gold 6421N needs a discrete GPU.

Trade-offs

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

Xeon Gold 6421N

2023

Why buy it

✅185.7% more PCIe lanes (80 vs 28) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than EPYC 4584PX across 50 shared CPU benchmark tests.
❌Lower PassMark (58,797 vs 60,169).
❌Lower PassMark per dollar, at 24.8 vs 39.7 PassMark/$ ($2,368 MSRP vs $1,517 MSRP).
❌54.2% higher power demand at 185W vs 120W.
❌No integrated graphics, while EPYC 4584PX can still boot and troubleshoot without a discrete GPU.

EPYC 4584PX

2024

Xeon Gold 6421N

2023

Why buy it

✅Better for gaming: +33.6% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $851 less on MSRP ($1,517 MSRP vs $2,368 MSRP).
✅Delivers 59.7% more PassMark for each dollar spent, at 39.7 vs 24.8 PassMark/$ ($1,517 MSRP vs $2,368 MSRP).
✅Draws 120W instead of 185W, a 65W reduction.
✅Integrated graphics onboard with AMD Radeon Graphics, while Xeon Gold 6421N needs a discrete GPU.

Why buy it

✅185.7% more PCIe lanes (80 vs 28) for storage and expansion-heavy builds.

Trade-offs

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

Trade-offs

❌Worse for gaming: lower average FPS than EPYC 4584PX across 50 shared CPU benchmark tests.
❌Lower PassMark (58,797 vs 60,169).
❌Lower PassMark per dollar, at 24.8 vs 39.7 PassMark/$ ($2,368 MSRP vs $1,517 MSRP).
❌54.2% higher power demand at 185W vs 120W.
❌No integrated graphics, while EPYC 4584PX can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is EPYC 4584PX better than Xeon Gold 6421N?

Yes. EPYC 4584PX is the better overall CPU here. You are getting a 33.6% average FPS lead across 50 shared CPU game tests in our data, 2.3% better PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, EPYC 4584PX is the better pick here. According to our tests, it delivers 33.6% more average FPS across 50 shared CPU game tests. It also has a big cache advantage at 128 MB vs 60 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 2.3% better PassMark, backed by 16 cores and 32 threads. It also carries the larger cache pool with 113.3% larger total L3 cache (128 MB vs 60 MB).

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

EPYC 4584PX is the smarter buy today. EPYC 4584PX is $851 cheaper on MSRP at $1,517 MSRP versus $2,368 MSRP, and it gives you a 33.6% average FPS lead across 50 shared CPU game tests in our data. It is also 59.7% better value on MSRP (39.7 vs 24.8 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play 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 2023), 3D V-Cache and a much larger 128 MB L3 cache instead of 60 MB, and more multi-core headroom with 16 cores / 32 threads instead of 32/64. 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

Xeon Gold 6421N Benchmark Check

Path of Exile 2

Preset	EPYC 4584PX	Xeon Gold 6421N
1080p
low	290 FPS	200 FPS
medium	264 FPS	165 FPS
high	219 FPS	137 FPS
ultra	186 FPS	107 FPS
1440p
low	274 FPS	159 FPS
medium	227 FPS	124 FPS
high	176 FPS	98 FPS
ultra	156 FPS	77 FPS
4K
low	189 FPS	73 FPS
medium	155 FPS	61 FPS
high	119 FPS	47 FPS
ultra	106 FPS	39 FPS

Open EPYC 4584PX Open Xeon Gold 6421N

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 4584PX	Xeon Gold 6421N
1080p
low	701 FPS	239 FPS
medium	599 FPS	213 FPS
high	444 FPS	177 FPS
ultra	375 FPS	143 FPS
1440p
low	574 FPS	201 FPS
medium	511 FPS	182 FPS
high	394 FPS	157 FPS
ultra	312 FPS	122 FPS
4K
low	323 FPS	125 FPS
medium	291 FPS	116 FPS
high	256 FPS	102 FPS
ultra	218 FPS	83 FPS

Open EPYC 4584PX Open Xeon Gold 6421N

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 4584PX	Xeon Gold 6421N
1080p
low	1025 FPS	956 FPS
medium	1166 FPS	837 FPS
high	1102 FPS	793 FPS
ultra	875 FPS	705 FPS
1440p
low	972 FPS	774 FPS
medium	879 FPS	668 FPS
high	806 FPS	623 FPS
ultra	656 FPS	555 FPS
4K
low	597 FPS	495 FPS
medium	519 FPS	391 FPS
high	466 FPS	342 FPS
ultra	394 FPS	279 FPS

Open EPYC 4584PX Open Xeon Gold 6421N

League of Legends

League of Legends

Valorant

Preset	EPYC 4584PX	Xeon Gold 6421N
1080p
low	1303 FPS	923 FPS
medium	1015 FPS	832 FPS
high	993 FPS	717 FPS
ultra	865 FPS	619 FPS
1440p
low	1035 FPS	715 FPS
medium	897 FPS	627 FPS
high	772 FPS	538 FPS
ultra	647 FPS	460 FPS
4K
low	759 FPS	516 FPS
medium	662 FPS	460 FPS
high	577 FPS	404 FPS
ultra	437 FPS	349 FPS

Open EPYC 4584PX Open Xeon Gold 6421N

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 4584PX and Xeon Gold 6421N

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.

Xeon Gold 6421N

The Xeon Gold 6421N is manufactured by Intel. It was released in 10 January 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 32 cores and 64 threads. Base frequency is 1.8 GHz, with boost up to 3.6 GHz. L3 cache: 60 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 185 Watt. Memory support: DDR5-4400. Passmark benchmark score: 58,797 points. Launch price was $2,368.

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Processing Power

The EPYC 4584PX packs 16 cores / 32 threads, while the Xeon Gold 6421N offers 32 cores / 64 threads — the Xeon Gold 6421N has 16 more cores. Boost clocks reach 5.7 GHz on the EPYC 4584PX versus 3.6 GHz on the Xeon Gold 6421N — a 45.2% clock advantage for the EPYC 4584PX (base: 4.2 GHz vs 1.8 GHz). The EPYC 4584PX uses the Raphael (2023−2025) architecture (5 nm), while the Xeon Gold 6421N uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the EPYC 4584PX scores 60,169 against the Xeon Gold 6421N's 58,797 — a 2.3% lead for the EPYC 4584PX. L3 cache: 128 MB (total) on the EPYC 4584PX vs 60 MB on the Xeon Gold 6421N.

Feature	EPYC 4584PX	Xeon Gold 6421N
Cores / Threads	16 / 32	32 / 64+100%
Boost Clock	5.7 GHz+58%	3.6 GHz
Base Clock	4.2 GHz+133%	1.8 GHz
L3 Cache	128 MB (total)+113%	60 MB
L2 Cache	1 MB (per core)	2 MB (per core)+100%
Process	5 nm-29%	Intel 7 nm
Architecture	Raphael (2023−2025)	Sapphire Rapids (2023−2024)
PassMark	60,169+2%	58,797

🧠

Memory & Platform

The EPYC 4584PX uses the AM5 socket (PCIe 4.0), while the Xeon Gold 6421N uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5200 on the EPYC 4584PX versus 4800 on the Xeon Gold 6421N — the EPYC 4584PX supports 8% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6421N supports up to 4096 of RAM compared to 256 — 176.5% more capacity for professional workloads. Memory channels: 2 (EPYC 4584PX) vs 8 (Xeon Gold 6421N). PCIe lanes: 28 (EPYC 4584PX) vs 80 (Xeon Gold 6421N) — the Xeon Gold 6421N offers 52 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AM5 (EPYC 4584PX) and C741 (Xeon Gold 6421N).

Feature	EPYC 4584PX	Xeon Gold 6421N
Socket	AM5	LGA4677
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	5200+8%	4800
Max RAM Capacity	256	4096+1500%
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	28	80+186%

🔧

Advanced Features

Only the EPYC 4584PX 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 4584PX) vs VT-x, VT-d (Xeon Gold 6421N). The EPYC 4584PX includes integrated graphics (AMD Radeon Graphics), while the Xeon Gold 6421N requires a dedicated GPU. Direct competitor: EPYC 4584PX rivals Ryzen 9 7950X; Xeon Gold 6421N rivals EPYC 9354.

Feature	EPYC 4584PX	Xeon Gold 6421N
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

💰

Value Analysis

The EPYC 4584PX launched at $1517 MSRP, while the Xeon Gold 6421N debuted at $2368. On MSRP ($1517 vs $2368), the EPYC 4584PX is $851 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 4584PX delivers 39.7 pts/$ vs 24.8 pts/$ for the Xeon Gold 6421N — making the EPYC 4584PX the 46% better value option.