EPYC 7453 vs Xeon w5-2555X

AMD

EPYC 7453

28 Cores56 Thrd225 WWMax: 3.45 GHz2021
EPYC family
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VS
Intel

Xeon w5-2555X

14 Cores28 Thrd252 WWMax: 4.8 GHz2024
Similar parts
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EPYC 7453 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 7453 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 7453 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 7453

2021

Why buy it

  • +1.7% higher PassMark.
  • +89.6% larger total L3 cache (64 MB vs 34 MB).
  • Draws 225W instead of 252W, a 27W reduction.
  • 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 30.9 vs 44.6 PassMark/$ ($1,570 MSRP vs $1,069 MSRP).
  • Older platform position on SP3 with DDR4, while Xeon w5-2555X moves to LGA4677 and DDR5.

Xeon w5-2555X

2024

Why buy it

  • Better for gaming: +30.1% higher average FPS across 50 shared CPU benchmark tests.
  • Costs $501 less on MSRP ($1,069 MSRP vs $1,570 MSRP).
  • Delivers 44.4% more PassMark for each dollar spent, at 44.6 vs 30.9 PassMark/$ ($1,069 MSRP vs $1,570 MSRP).
  • Newer platform on LGA4677 with DDR5 support instead of SP3 and DDR4.

Trade-offs

  • Lower PassMark (47,638 vs 48,453).
  • Smaller total L3 cache (34 MB vs 64 MB).

Quick Answers

So, is Xeon w5-2555X better than EPYC 7453?
It depends on what you want from the system. For gaming, Xeon w5-2555X is ahead with a 30.1% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, EPYC 7453 pulls ahead with 1.7% better PassMark. EPYC 7453 also has the bigger cache pool with 89.6% larger total L3 cache (64 MB vs 34 MB).
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, EPYC 7453 is the stronger fit. You are getting 1.7% better PassMark, backed by 28 cores and 56 threads. It also has the larger cache pool with 89.6% larger total L3 cache (64 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 $501 cheaper on MSRP at $1,069 MSRP versus $1,570 MSRP, and it still gives you a 30.1% average FPS lead across 50 shared CPU game tests in our data. The compromise is that EPYC 7453 is still stronger for heavier multi-core work with 1.7% better PassMark. It is also 44.4% better value on MSRP (44.6 vs 30.9 PassMark/$), 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 2021) and a healthier platform with LGA4677 and DDR5 instead of SP3. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

EPYC 7453 vs Xeon w5-2555X Technical Specifications

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

AMD

EPYC 7453

The EPYC 7453 is manufactured by AMD. It was released in 15 March 2021 (4 years ago). It is based on the Milan (2021−2023) architecture. It features 28 cores and 56 threads. Base frequency is 2.75 GHz, with boost up to 3.45 GHz. L3 cache: 64 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 225 Watt. Memory support: DDR4-3200. Passmark benchmark score: 48,453 points. Launch price was $1,570.

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 7453 packs 28 cores / 56 threads, while the Xeon w5-2555X offers 14 cores / 28 threads — the EPYC 7453 has 14 more cores. Boost clocks reach 3.45 GHz on the EPYC 7453 versus 4.8 GHz on the Xeon w5-2555X — a 32.7% clock advantage for the Xeon w5-2555X (base: 2.75 GHz vs 3.3 GHz). The EPYC 7453 is built on the Milan (2021−2023) architecture. In PassMark, the EPYC 7453 scores 48,453 against the Xeon w5-2555X's 47,638 — a 1.7% lead for the EPYC 7453. L3 cache: 64 MB (total) on the EPYC 7453 vs 33.75 MB Intel® Smart Cache on the Xeon w5-2555X.

FeatureEPYC 7453Xeon w5-2555X
Cores / Threads
28 / 56+100%
14 / 28
Boost Clock
3.45 GHz
4.8 GHz+39%
Base Clock
2.75 GHz
3.3 GHz+20%
L3 Cache
64 MB (total)+90%
33.75 MB Intel® Smart Cache
L2 Cache
512 kB (per core)
Process
7 nm+
Intel 7 nm
Architecture
Milan (2021−2023)
PassMark
48,453+2%
47,638
🧠

Memory & Platform

The EPYC 7453 uses the SP3 socket (PCIe 4.0), while the Xeon w5-2555X uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7453 versus 4800 on the Xeon w5-2555X — the Xeon w5-2555X supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 4096 of RAM. Both feature 8-channel memory with ECC support. PCIe lanes: 128 (EPYC 7453) vs 112 (Xeon w5-2555X) — the EPYC 7453 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3,C621A (EPYC 7453) and W790 (Xeon w5-2555X).

FeatureEPYC 7453Xeon w5-2555X
Socket
SP3
LGA4677
PCIe Generation
PCIe 4.0
PCIe 5.0+25%
Max RAM Speed
3200
4800+50%
Max RAM Capacity
4096
4096
RAM Channels
8
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. Both support VT-x, VT-d virtualization. Direct competitor: EPYC 7453 rivals Xeon Platinum 8362; Xeon w5-2555X rivals Threadripper PRO 7965WX.

FeatureEPYC 7453Xeon w5-2555X
Integrated GPU
No
No
IGPU Model
None
None
Unlocked
No
Yes
AVX-512
Yes
Yes
Virtualization
VT-x, VT-d
VT-x, VT-d
💰

Value Analysis

At launch, the EPYC 7453 was priced at $1570, while the Xeon w5-2555X came in at $1069. On launch pricing ($1570 vs $1069), Xeon w5-2555X was $501 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7453 delivers 30.9 pts/$ vs 44.6 pts/$ for the Xeon w5-2555X — making the Xeon w5-2555X the 36.3% better value option.

FeatureEPYC 7453Xeon w5-2555X
MSRP
$1570
$1069-32%
Performance per Dollar
30.9
44.6+44%
Release Date
2021
2024

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