Xeon Gold 6444Y vs Xeon w5-2555X

Intel

Xeon Gold 6444Y

16 Cores32 Thrd270 WWMax: 4 GHz2023
Similar parts
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VS
Intel

Xeon w5-2555X

14 Cores28 Thrd252 WWMax: 4.8 GHz2024
Similar parts
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Xeon Gold 6444Y 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.

Xeon Gold 6444Y 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.

Xeon Gold 6444Y 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.

Xeon Gold 6444Y

2023

Why buy it

  • +33.3% larger total L3 cache (45 MB vs 34 MB).

Trade-offs

  • Worse for gaming: lower average FPS than Xeon w5-2555X across 50 shared CPU benchmark tests.
  • Lower PassMark (47,176 vs 47,638).
  • Lower PassMark per dollar, at 13.0 vs 44.6 PassMark/$ ($3,622 MSRP vs $1,069 MSRP).

Xeon w5-2555X

2024

Why buy it

  • Better for gaming: +4.2% higher average FPS across 50 shared CPU benchmark tests.
  • Costs $2,553 less on MSRP ($1,069 MSRP vs $3,622 MSRP).
  • Delivers 242.1% more PassMark for each dollar spent, at 44.6 vs 13.0 PassMark/$ ($1,069 MSRP vs $3,622 MSRP).
  • Draws 252W instead of 270W, a 18W reduction.
  • 40% more PCIe lanes (112 vs 80) for storage and expansion-heavy builds.

Trade-offs

  • Smaller total L3 cache (34 MB vs 45 MB).

Quick Answers

So, is Xeon w5-2555X better than Xeon Gold 6444Y?
Yes. Xeon w5-2555X is the better all-around CPU here. It gives you a 4.2% average FPS lead across 50 shared CPU game tests in our data, 1% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Xeon w5-2555X is the better pick. According to our tests, it delivers 4.2% more average FPS across 50 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Xeon w5-2555X is the stronger fit. You are getting 1% better PassMark, backed by 14 cores and 28 threads.
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 $2,553 cheaper on MSRP at $1,069 MSRP versus $3,622 MSRP, and it still gives you a 4.2% average FPS lead across 50 shared CPU game tests in our data. It is also 242.1% better value on MSRP (44.6 vs 13.0 PassMark/$), 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) and more multi-core headroom with 14 cores / 28 threads instead of 16/32. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Xeon Gold 6444Y vs Xeon w5-2555X Technical Specifications

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

Intel

Xeon Gold 6444Y

The Xeon Gold 6444Y 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 16 cores and 32 threads. Base frequency is 3.6 GHz, with boost up to 4 GHz. L3 cache: 45 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 270 Watt. Memory support: DDR5-4800, DDR5-4400. Passmark benchmark score: 47,176 points. Launch price was $1,517.

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 Xeon Gold 6444Y packs 16 cores / 32 threads, while the Xeon w5-2555X offers 14 cores / 28 threads — the Xeon Gold 6444Y has 2 more cores. Boost clocks reach 4 GHz on the Xeon Gold 6444Y versus 4.8 GHz on the Xeon w5-2555X — a 18.2% clock advantage for the Xeon w5-2555X (base: 3.6 GHz vs 3.3 GHz). The Xeon Gold 6444Y is built on the Sapphire Rapids (2023−2024) architecture. In PassMark, the Xeon Gold 6444Y scores 47,176 against the Xeon w5-2555X's 47,638 — a 1% lead for the Xeon w5-2555X. L3 cache: 45 MB on the Xeon Gold 6444Y vs 33.75 MB Intel® Smart Cache on the Xeon w5-2555X.

FeatureXeon Gold 6444YXeon w5-2555X
Cores / Threads
16 / 32+14%
14 / 28
Boost Clock
4 GHz
4.8 GHz+20%
Base Clock
3.6 GHz+9%
3.3 GHz
L3 Cache
45 MB+33%
33.75 MB Intel® Smart Cache
L2 Cache
2 MB (per core)
Process
Intel 7 nm
Intel 7 nm
Architecture
Sapphire Rapids (2023−2024)
PassMark
47,176
47,638
🧠

Memory & Platform

Both processors use the LGA4677 socket with PCIe 5.0. Maximum memory speed reaches 5600 on the Xeon Gold 6444Y versus 4800 on the Xeon w5-2555X — the Xeon Gold 6444Y supports 16.7% 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: 80 (Xeon Gold 6444Y) vs 112 (Xeon w5-2555X) — the Xeon w5-2555X offers 32 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C741 (Xeon Gold 6444Y) and W790 (Xeon w5-2555X).

FeatureXeon Gold 6444YXeon w5-2555X
Socket
LGA4677
LGA4677
PCIe Generation
PCIe 5.0
PCIe 5.0
Max RAM Speed
5600+17%
4800
Max RAM Capacity
4096
4096
RAM Channels
8
8
ECC Support
Yes
Yes
PCIe Lanes
80
112+40%
🔧

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: Xeon Gold 6444Y rivals EPYC 9384X; Xeon w5-2555X rivals Threadripper PRO 7965WX.

FeatureXeon Gold 6444YXeon 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 Xeon Gold 6444Y was priced at $3622, while the Xeon w5-2555X came in at $1069. On launch pricing ($3622 vs $1069), Xeon w5-2555X was $2553 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon Gold 6444Y delivers 13.0 pts/$ vs 44.6 pts/$ for the Xeon w5-2555X — making the Xeon w5-2555X the 109.5% better value option.

FeatureXeon Gold 6444YXeon w5-2555X
MSRP
$3622
$1069-70%
Performance per Dollar
13.0
44.6+243%
Release Date
2023
2024

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