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 8534P

2023

Why buy it

✅Better for gaming: +5.0% higher average FPS across 9 shared CPU benchmark tests.
✅Draws 200W instead of 320W, a 120W reduction.

Trade-offs

❌Lower PassMark (71,900 vs 72,121).
❌Smaller total L3 cache (128 MB vs 768 MB).

EPYC 9384X

2023

Why buy it

✅+0.3% higher PassMark.
✅+500% larger total L3 cache (768 MB vs 128 MB).
✅33.3% more PCIe lanes (128 vs 96) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than EPYC 8534P across 9 shared CPU benchmark tests.
❌60% higher power demand at 320W vs 200W.

EPYC 8534P

2023

EPYC 9384X

2023

Why buy it

✅Better for gaming: +5.0% higher average FPS across 9 shared CPU benchmark tests.
✅Draws 200W instead of 320W, a 120W reduction.

Why buy it

✅+0.3% higher PassMark.
✅+500% larger total L3 cache (768 MB vs 128 MB).
✅33.3% more PCIe lanes (128 vs 96) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (71,900 vs 72,121).
❌Smaller total L3 cache (128 MB vs 768 MB).

Trade-offs

❌Worse for gaming: lower average FPS than EPYC 8534P across 9 shared CPU benchmark tests.
❌60% higher power demand at 320W vs 200W.

Quick Answers

So, is EPYC 9384X better than EPYC 8534P?

It depends on what matters more to you. For gaming, EPYC 8534P is ahead with a 5.0% average FPS lead across 9 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, EPYC 9384X pulls ahead with 0.3% better PassMark. EPYC 9384X also has the bigger cache pool with 500% larger total L3 cache (768 MB vs 128 MB).

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

For streaming, content creation, and heavier multitasking, EPYC 9384X is the better fit. You are getting 0.3% better PassMark, backed by 32 cores and 64 threads. It also carries the larger cache pool with 500% larger total L3 cache (768 MB vs 128 MB).

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

EPYC 9384X is the smarter buy today. EPYC 9384X is in basically the same MSRP band at $5,529 MSRP versus $5,529 MSRP, and it gives you 0.3% better PassMark. The trade-off is that EPYC 8534P is still the better pure gaming CPU with a 5.0% average FPS lead across 9 shared CPU game tests in our data. It is also 0.3% better value on MSRP (13.0 vs 13.0 PassMark/$), 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 9384X is the safer long-term CPU choice because it gives you more overall headroom and a better platform outlook.

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 8534P Benchmark Check

EPYC 9384X Benchmark Check

Path of Exile 2

Preset	EPYC 8534P	EPYC 9384X
1080p
low	159 FPS	171 FPS
medium	131 FPS	141 FPS
high	110 FPS	120 FPS
ultra	87 FPS	95 FPS
1440p
low	142 FPS	148 FPS
medium	114 FPS	120 FPS
high	90 FPS	95 FPS
ultra	72 FPS	76 FPS
4K
low	68 FPS	70 FPS
medium	58 FPS	59 FPS
high	45 FPS	47 FPS
ultra	37 FPS	38 FPS

Open EPYC 8534P Open EPYC 9384X

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 8534P	EPYC 9384X
1080p
low	415 FPS	507 FPS
medium	365 FPS	443 FPS
high	297 FPS	355 FPS
ultra	233 FPS	288 FPS
1440p
low	341 FPS	417 FPS
medium	308 FPS	373 FPS
high	258 FPS	308 FPS
ultra	196 FPS	243 FPS
4K
low	210 FPS	257 FPS
medium	193 FPS	234 FPS
high	162 FPS	205 FPS
ultra	130 FPS	171 FPS

Open EPYC 8534P Open EPYC 9384X

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 8534P	EPYC 9384X
1080p
low	860 FPS	670 FPS
medium	786 FPS	559 FPS
high	760 FPS	521 FPS
ultra	682 FPS	453 FPS
1440p
low	663 FPS	510 FPS
medium	587 FPS	424 FPS
high	558 FPS	389 FPS
ultra	498 FPS	336 FPS
4K
low	435 FPS	376 FPS
medium	344 FPS	294 FPS
high	307 FPS	262 FPS
ultra	250 FPS	210 FPS

Open EPYC 8534P Open EPYC 9384X

League of Legends

League of Legends

Valorant

Preset	EPYC 8534P	EPYC 9384X
1080p
low	1022 FPS	904 FPS
medium	912 FPS	822 FPS
high	771 FPS	708 FPS
ultra	651 FPS	625 FPS
1440p
low	832 FPS	721 FPS
medium	711 FPS	629 FPS
high	597 FPS	538 FPS
ultra	491 FPS	460 FPS
4K
low	599 FPS	518 FPS
medium	523 FPS	462 FPS
high	451 FPS	406 FPS
ultra	375 FPS	349 FPS

Open EPYC 8534P Open EPYC 9384X

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 8534P and EPYC 9384X

EPYC 8534P

The EPYC 8534P is manufactured by AMD. It was released in 18 September 2023 (2 years ago). It is based on the Siena (2023−2024) architecture. It features 64 cores and 128 threads. Base frequency is 2.3 GHz, with boost up to 3.1 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: SP6. Thermal design power (TDP): 200 Watt. Memory support: DDR5. Passmark benchmark score: 71,900 points. Launch price was $4,950.

EPYC 9384X

The EPYC 9384X is manufactured by AMD. It was released in 13 June 2023 (2 years ago). It is based on the Genoa-X (2023) architecture. It features 32 cores and 64 threads. Base frequency is 3.1 GHz, with boost up to 3.9 GHz. L3 cache: 768 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: SP5. Thermal design power (TDP): 320 Watt. Memory support: DDR5. Passmark benchmark score: 72,121 points. Launch price was $5,529.

⚡

Processing Power

The EPYC 8534P packs 64 cores / 128 threads, while the EPYC 9384X offers 32 cores / 64 threads — the EPYC 8534P has 32 more cores. Boost clocks reach 3.1 GHz on the EPYC 8534P versus 3.9 GHz on the EPYC 9384X — a 22.9% clock advantage for the EPYC 9384X (base: 2.3 GHz vs 3.1 GHz). The EPYC 8534P uses the Siena (2023−2024) architecture (5 nm), while the EPYC 9384X uses Genoa-X (2023) (5 nm). In PassMark, the EPYC 8534P scores 71,900 against the EPYC 9384X's 72,121 — a 0.3% lead for the EPYC 9384X. L3 cache: 128 MB (total) on the EPYC 8534P vs 768 MB (total) on the EPYC 9384X.

Feature	EPYC 8534P	EPYC 9384X
Cores / Threads	64 / 128+100%	32 / 64
Boost Clock	3.1 GHz	3.9 GHz+26%
Base Clock	2.3 GHz	3.1 GHz+35%
L3 Cache	128 MB (total)	768 MB (total)+500%
L2 Cache	1 MB (per core)	1 MB (per core)
Process	5 nm	5 nm
Architecture	Siena (2023−2024)	Genoa-X (2023)
PassMark	71,900	72,121
Geekbench 6 Single	1,678	—
Geekbench 6 Multi	18,882	—

🧠

Memory & Platform

The EPYC 8534P uses the SP6 socket (PCIe 4.0), while the EPYC 9384X uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800 on the EPYC 8534P versus 4800 on the EPYC 9384X — the EPYC 9384X supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 9384X supports up to 6144 of RAM compared to 1152 GB — 136.8% more capacity for professional workloads. Memory channels: 6 (EPYC 8534P) vs 12 (EPYC 9384X). PCIe lanes: 96 (EPYC 8534P) vs 128 (EPYC 9384X) — the EPYC 9384X offers 32 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP6 (EPYC 8534P) and SP5 (EPYC 9384X).

Feature	EPYC 8534P	EPYC 9384X
Socket	SP6	SP5
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	DDR5-4800	4800+95900%
Max RAM Capacity	1152 GB+19660700%	6144
RAM Channels	6	12+100%
ECC Support	Yes	Yes
PCIe Lanes	96	128+33%

🔧

Advanced Features

Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: AMD-V (EPYC 8534P) vs VT-x, VT-d, SEV-SNP (EPYC 9384X). Primary use case: EPYC 8534P targets Cloud Server. Direct competitor: EPYC 8534P rivals Xeon Platinum 8452Y; EPYC 9384X rivals Xeon Platinum 8468.

Feature	EPYC 8534P	EPYC 9384X
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	No	No
AVX-512	Yes	Yes
Virtualization	AMD-V	VT-x, VT-d, SEV-SNP
Target Use	Cloud Server	—

💰

Value Analysis

The EPYC 8534P launched at $5529 MSRP, while the EPYC 9384X debuted at $5529. On MSRP ($5529 vs $5529), the EPYC 9384X is $0 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 8534P delivers 13.0 pts/$ vs 13.0 pts/$ for the EPYC 9384X — making the EPYC 9384X the 0.3% better value option.