EPYC 9184X vs Xeon w5-2555X

AMD

EPYC 9184X

16 Cores32 Thrd320 WWMax: 4.2 GHz2023
EPYC family
·······
VS
Intel

Xeon w5-2555X

14 Cores28 Thrd252 WWMax: 4.8 GHz2024
Similar parts
·······

EPYC 9184X vs Xeon w5-2555X Performance Spectrum

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 9184X vs Xeon w5-2555X 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 9184X vs Xeon w5-2555X: Pros, Cons & Final Verdict

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

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 50 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: +13.3% higher average FPS across 50 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).

Quick Answers

So, is Xeon w5-2555X better than EPYC 9184X?
It depends on what you want from the system. For gaming, Xeon w5-2555X is ahead with a 13.3% average FPS lead across 50 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 stronger fit. You are getting 0.1% better PassMark, backed by 16 cores and 32 threads. It also has 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 better buy right now. Xeon w5-2555X comes in $3,859 cheaper on MSRP at $1,069 MSRP versus $4,928 MSRP, and it still gives you a 13.3% average FPS lead across 50 shared CPU game tests in our data. The compromise is that EPYC 9184X is still stronger for heavier multi-core work with 0.1% better PassMark. It is also 360.7% better value on MSRP (44.6 vs 9.7 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Xeon w5-2555X makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2023). That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

EPYC 9184X vs Xeon w5-2555X Technical Specifications

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

AMD

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.

Intel

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.

FeatureEPYC 9184XXeon 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 50% 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).

FeatureEPYC 9184XXeon 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.

FeatureEPYC 9184XXeon 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

At launch, the EPYC 9184X was priced at $4928, while the Xeon w5-2555X came in at $1069. On launch pricing ($4928 vs $1069), Xeon w5-2555X was $3859 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 9184X delivers 9.7 pts/$ vs 44.6 pts/$ for the Xeon w5-2555X — making the Xeon w5-2555X the 128.7% better value option.

FeatureEPYC 9184XXeon w5-2555X
MSRP
$4928
$1069-78%
Performance per Dollar
9.7
44.6+360%
Release Date
2023
2024

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.