EPYC 9184X vs Xeon w5-2555X

CPU

GPU

EPYC 9184X

16 Cores32 Thrd320 WWMax: 4.2 GHz2023

Popular choices:

•••••••••

Xeon w5-2555X

14 Cores28 Thrd252 WWMax: 4.8 GHz2024

Popular choices:

•••••••••

Performance Spectrum - CPU

EPYC 9184X

16 / 32

47,665

+0.1%

Ryzen Threadripper PRO 3975WX

Ryzen Threadripper 3990X

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 9975WX

Xeon w5-2555X

14 / 28

47,638

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 9184X

2023

Why buy it

✅+0.1% higher PassMark.
✅+2175.6% larger total L3 cache (768 MB vs 34 MB).
✅14.3% more PCIe lanes (128 vs 112) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon w5-2555X across 2 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 9.7 vs 44.6 PassMark/$ ($4,928 MSRP vs $1,069 MSRP).
❌27% higher power demand at 320W vs 252W.

Xeon w5-2555X

2024

Why buy it

✅Better for gaming: +45.9% higher average FPS across 2 shared CPU benchmark tests.
✅Costs $3,859 less on MSRP ($1,069 MSRP vs $4,928 MSRP).
✅Delivers 360.7% more PassMark for each dollar spent, at 44.6 vs 9.7 PassMark/$ ($1,069 MSRP vs $4,928 MSRP).
✅Draws 252W instead of 320W, a 68W reduction.

Trade-offs

❌Lower PassMark (47,638 vs 47,665).
❌Smaller total L3 cache (34 MB vs 768 MB).

EPYC 9184X

2023

Xeon w5-2555X

2024

Why buy it

✅+0.1% higher PassMark.
✅+2175.6% larger total L3 cache (768 MB vs 34 MB).
✅14.3% more PCIe lanes (128 vs 112) for storage and expansion-heavy builds.

Why buy it

✅Better for gaming: +45.9% higher average FPS across 2 shared CPU benchmark tests.
✅Costs $3,859 less on MSRP ($1,069 MSRP vs $4,928 MSRP).
✅Delivers 360.7% more PassMark for each dollar spent, at 44.6 vs 9.7 PassMark/$ ($1,069 MSRP vs $4,928 MSRP).
✅Draws 252W instead of 320W, a 68W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon w5-2555X across 2 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 9.7 vs 44.6 PassMark/$ ($4,928 MSRP vs $1,069 MSRP).
❌27% higher power demand at 320W vs 252W.

Trade-offs

❌Lower PassMark (47,638 vs 47,665).
❌Smaller total L3 cache (34 MB vs 768 MB).

Quick Answers

So, is Xeon w5-2555X better than EPYC 9184X?

It depends on what matters more to you. For gaming, Xeon w5-2555X is ahead with a 45.9% average FPS lead across 2 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, EPYC 9184X pulls ahead with 0.1% better PassMark. EPYC 9184X also has the bigger cache pool with 2175.6% larger total L3 cache (768 MB vs 34 MB).

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

For streaming, content creation, and heavier multitasking, EPYC 9184X is the better fit. You are getting 0.1% better PassMark, backed by 16 cores and 32 threads. It also carries the larger cache pool with 2175.6% larger total L3 cache (768 MB vs 34 MB).

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

Xeon w5-2555X is the smarter buy today. Xeon w5-2555X is $3,859 cheaper on MSRP at $1,069 MSRP versus $4,928 MSRP, and it gives you a 45.9% average FPS lead across 2 shared CPU game tests in our data. The trade-off is that EPYC 9184X is still stronger for heavier multi-core work with 0.1% better PassMark. It is also 360.7% better value on MSRP (44.6 vs 9.7 PassMark/$), 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?

Xeon w5-2555X is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2023). 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 9184X Benchmark Check

Xeon w5-2555X Benchmark Check

Path of Exile 2

Preset	EPYC 9184X	Xeon w5-2555X
1080p
low	169 FPS	323 FPS
medium	138 FPS	294 FPS
high	118 FPS	239 FPS
ultra	94 FPS	202 FPS
1440p
low	149 FPS	285 FPS
medium	119 FPS	232 FPS
high	96 FPS	177 FPS
ultra	78 FPS	156 FPS
4K
low	70 FPS	196 FPS
medium	59 FPS	159 FPS
high	47 FPS	121 FPS
ultra	39 FPS	107 FPS

Open EPYC 9184X Open Xeon w5-2555X

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 9184X	Xeon w5-2555X
1080p
low	576 FPS	626 FPS
medium	504 FPS	519 FPS
high	409 FPS	424 FPS
ultra	357 FPS	384 FPS
1440p
low	484 FPS	517 FPS
medium	431 FPS	450 FPS
high	360 FPS	378 FPS
ultra	298 FPS	326 FPS
4K
low	300 FPS	321 FPS
medium	271 FPS	281 FPS
high	244 FPS	258 FPS
ultra	219 FPS	228 FPS

Open EPYC 9184X Open Xeon w5-2555X

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 9184X	Xeon w5-2555X
1080p
low	746 FPS	1025 FPS
medium	632 FPS	1191 FPS
high	575 FPS	1136 FPS
ultra	506 FPS	875 FPS
1440p
low	557 FPS	1025 FPS
medium	470 FPS	953 FPS
high	420 FPS	859 FPS
ultra	364 FPS	656 FPS
4K
low	402 FPS	656 FPS
medium	321 FPS	553 FPS
high	284 FPS	494 FPS
ultra	228 FPS	420 FPS

Open EPYC 9184X Open Xeon w5-2555X

League of Legends

League of Legends

Valorant

Preset	EPYC 9184X	Xeon w5-2555X
1080p
low	958 FPS	1191 FPS
medium	867 FPS	1015 FPS
high	738 FPS	982 FPS
ultra	653 FPS	847 FPS
1440p
low	754 FPS	1023 FPS
medium	657 FPS	883 FPS
high	556 FPS	767 FPS
ultra	481 FPS	653 FPS
4K
low	534 FPS	733 FPS
medium	477 FPS	637 FPS
high	420 FPS	562 FPS
ultra	359 FPS	437 FPS

Open EPYC 9184X Open Xeon w5-2555X

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 9184X and Xeon w5-2555X

EPYC 9184X

The EPYC 9184X 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 16 cores and 32 threads. Base frequency is 3.55 GHz, with boost up to 4.2 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: 47,665 points. Launch price was $4,928.

Xeon w5-2555X

The Xeon w5-2555X is manufactured by Intel. It was released in 2015-01-01. It features 14 cores and 28 threads. Base frequency is 3.3 GHz, with boost up to 4.8 GHz. L3 cache: 33.75 MB Intel® Smart Cache. Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 252 Watt. Memory support: DDR5-4800. Passmark benchmark score: 47,638 points. Launch price was $800.

⚡

Processing Power

The EPYC 9184X packs 16 cores / 32 threads, while the Xeon w5-2555X offers 14 cores / 28 threads — the EPYC 9184X has 2 more cores. Boost clocks reach 4.2 GHz on the EPYC 9184X versus 4.8 GHz on the Xeon w5-2555X — a 13.3% clock advantage for the Xeon w5-2555X (base: 3.55 GHz vs 3.3 GHz). The EPYC 9184X is built on the Genoa-X (2023) architecture. In PassMark, the EPYC 9184X scores 47,665 against the Xeon w5-2555X's 47,638 — a 0.1% lead for the EPYC 9184X. L3 cache: 768 MB (total) on the EPYC 9184X vs 33.75 MB Intel® Smart Cache on the Xeon w5-2555X.

Feature	EPYC 9184X	Xeon w5-2555X
Cores / Threads	16 / 32+14%	14 / 28
Boost Clock	4.2 GHz	4.8 GHz+14%
Base Clock	3.55 GHz+8%	3.3 GHz
L3 Cache	768 MB (total)+2176%	33.75 MB Intel® Smart Cache
L2 Cache	1 MB (per core)	—
Process	5 nm-29%	Intel 7 nm
Architecture	Genoa-X (2023)	—
PassMark	47,665	47,638

🧠

Memory & Platform

The EPYC 9184X uses the SP5 socket (PCIe 5.0), while the Xeon w5-2555X uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to 4800 memory speed. The EPYC 9184X supports up to 6144 of RAM compared to 4096 — 40% more capacity for professional workloads. Memory channels: 12 (EPYC 9184X) vs 8 (Xeon w5-2555X). PCIe lanes: 128 (EPYC 9184X) vs 112 (Xeon w5-2555X) — the EPYC 9184X offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP5 (EPYC 9184X) and W790 (Xeon w5-2555X).

Feature	EPYC 9184X	Xeon w5-2555X
Socket	SP5	LGA4677
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	4800	4800
Max RAM Capacity	6144+50%	4096
RAM Channels	12+50%	8
ECC Support	Yes	Yes
PCIe Lanes	128+14%	112

🔧

Advanced Features

Only the Xeon w5-2555X 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 9184X) vs VT-x, VT-d (Xeon w5-2555X). Direct competitor: EPYC 9184X rivals Xeon Platinum 8468X; Xeon w5-2555X rivals Threadripper PRO 7965WX.

Feature	EPYC 9184X	Xeon w5-2555X
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	No	Yes
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d, AMD-V	VT-x, VT-d

💰

Value Analysis

The EPYC 9184X launched at $4928 MSRP, while the Xeon w5-2555X debuted at $1069. On MSRP ($4928 vs $1069), the Xeon w5-2555X is $3859 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 9184X delivers 9.7 pts/$ vs 44.6 pts/$ for the Xeon w5-2555X — making the Xeon w5-2555X the 128.7% better value option.