Xeon W-3175X vs Xeon w5-2555X

Intel

Xeon W-3175X

28 Cores56 Thrd255 WWMax: 3.8 GHz2018
VS
Intel

Xeon w5-2555X

14 Cores28 Thrd252 WWMax: 4.8 GHz2024

Xeon W-3175X 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 W-3175X 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 W-3175X 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 W-3175X

2018

Why buy it

    Trade-offs

    • โŒWorse for gaming: lower average FPS than Xeon w5-2555X across 50 shared CPU benchmark tests.
    • โŒLower PassMark (46,125 vs 47,638).
    • โŒLower PassMark per dollar, at 15.4 vs 44.6 PassMark/$ ($2,999 MSRP vs $1,069 MSRP).
    • โŒOlder platform position on LGA3647 with DDR4, while Xeon w5-2555X moves to LGA4677 and DDR5.

    Xeon w5-2555X

    2024

    Why buy it

    • โœ…Better for gaming: +10.9% higher average FPS across 50 shared CPU benchmark tests.
    • โœ…Costs $1,930 less on MSRP ($1,069 MSRP vs $2,999 MSRP).
    • โœ…Delivers 189.7% more PassMark for each dollar spent, at 44.6 vs 15.4 PassMark/$ ($1,069 MSRP vs $2,999 MSRP).
    • โœ…Draws 252W instead of 255W, a 3W reduction.
    • โœ…Newer platform on LGA4677 with DDR5 support instead of LGA3647 and DDR4.

    Trade-offs

    • โŒFewer obvious downsides in this matchup outside of normal market pricing swings.

    Quick Answers

    So, is Xeon w5-2555X better than Xeon W-3175X?
    Yes. Xeon w5-2555X is the better all-around CPU here. It gives you a 10.9% average FPS lead across 50 shared CPU game tests in our data, 3.3% 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 10.9% 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 3.3% 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 $1,930 cheaper on MSRP at $1,069 MSRP versus $2,999 MSRP, and it still gives you a 10.9% average FPS lead across 50 shared CPU game tests in our data. It is also 189.7% better value on MSRP (44.6 vs 15.4 PassMark/$), 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 2018), a healthier platform with LGA4677 and DDR5 instead of LGA3647, and more multi-core headroom with 14 cores / 28 threads instead of 28/56. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

    Xeon W-3175X vs Xeon w5-2555X Technical Specifications

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

    Intel

    Xeon W-3175X

    The Xeon W-3175X is manufactured by Intel. It was released in 19 December 2018 (6 years ago). It is based on the Skylake (server) (2017โˆ’2018) architecture. It features 28 cores and 56 threads. Base frequency is 3.1 GHz, with boost up to 3.8 GHz. L3 cache: 38.5 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 255 Watt. Memory support: DDR4-2666. Passmark benchmark score: 46,125 points. Launch price was $2,999.

    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 Intelยฎ 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.

    โšก

    Processing Power

    The Xeon W-3175X packs 28 cores / 56 threads, while the Xeon w5-2555X offers 14 cores / 28 threads โ€” the Xeon W-3175X has 14 more cores. Boost clocks reach 3.8 GHz on the Xeon W-3175X versus 4.8 GHz on the Xeon w5-2555X โ€” a 23.3% clock advantage for the Xeon w5-2555X (base: 3.1 GHz vs 3.3 GHz). The Xeon W-3175X is built on the Skylake (server) (2017โˆ’2018) architecture. In PassMark, the Xeon W-3175X scores 46,125 against the Xeon w5-2555X's 47,638 โ€” a 3.2% lead for the Xeon w5-2555X. L3 cache: 38.5 MB (total) on the Xeon W-3175X vs 33.75 MB Intelยฎ Smart Cache on the Xeon w5-2555X.

    FeatureXeon W-3175XXeon w5-2555X
    Cores / Threads
    28 / 56+100%
    14 / 28
    Boost Clock
    3.8 GHz
    4.8 GHz+26%
    Base Clock
    3.1 GHz
    3.3 GHz+6%
    L3 Cache
    38.5 MB (total)+14%
    33.75 MB Intelยฎ Smart Cache
    L2 Cache
    1 MB (per core)
    โ€”
    Process
    14 nm
    Intel 7 nm-50%
    Architecture
    Skylake (server) (2017โˆ’2018)
    โ€”
    PassMark
    46,125
    47,638+3%
    Cinebench R23 Multi
    31,350
    โ€”
    Geekbench 6 Single
    1,467
    โ€”
    Geekbench 6 Multi
    17,358
    โ€”
    ๐Ÿง 

    Memory & Platform

    The Xeon W-3175X uses the LGA3647 socket (PCIe 3.0), while the Xeon w5-2555X uses LGA4677 (PCIe 5.0) โ€” making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Xeon W-3175X versus 4800 on the Xeon w5-2555X โ€” the Xeon w5-2555X supports 80% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon w5-2555X supports up to 4096 GB of RAM compared to 512 GB โ€” 700% more capacity for professional workloads. Memory channels: 6 (Xeon W-3175X) vs 8 (Xeon w5-2555X). PCIe lanes: 48 (Xeon W-3175X) vs 112 (Xeon w5-2555X) โ€” the Xeon w5-2555X offers 64 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel C621 (Xeon W-3175X) and W790 (Xeon w5-2555X).

    FeatureXeon W-3175XXeon w5-2555X
    Socket
    LGA3647
    LGA4677
    PCIe Generation
    PCIe 3.0
    PCIe 5.0+67%
    Max RAM Speed
    DDR4-2666
    4800+80%
    Max RAM Capacity
    512 GB
    4096 GB+700%
    RAM Channels
    6
    8+33%
    ECC Support
    Yes
    Yes
    PCIe Lanes
    48
    112+133%
    ๐Ÿ”ง

    Advanced Features

    Both processors feature an unlocked multiplier for overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support VT-x, VT-d virtualization. Direct competitor: Xeon w5-2555X rivals Threadripper PRO 7965WX.

    FeatureXeon W-3175XXeon w5-2555X
    Integrated GPU
    No
    No
    IGPU Model
    โ€”
    None
    Unlocked
    Yes
    Yes
    AVX-512
    Yes
    Yes
    Virtualization
    VT-x, VT-d
    VT-x, VT-d
    ๐Ÿ’ฐ

    Value Analysis

    At launch, the Xeon W-3175X was priced at $2999, while the Xeon w5-2555X came in at $1069. On launch pricing ($2999 vs $1069), Xeon w5-2555X was $1930 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon W-3175X delivers 15.4 pts/$ vs 44.6 pts/$ for the Xeon w5-2555X โ€” making the Xeon w5-2555X the 97.4% better value option.

    FeatureXeon W-3175XXeon w5-2555X
    MSRP
    $2999
    $1069-64%
    Performance per Dollar
    15.4
    44.6+190%
    Release Date
    2018
    2024

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