Ryzen 9 5900X vs Xeon W-1390P

AMD

Ryzen 9 5900X

12 Cores24 Thrd105 WWMax: 4.8 GHz2020

Popular choices:

VS
Intel

Xeon W-1390P

8 Cores16 Thrd125 WWMax: 5.2 GHz2021

Popular choices:

Performance Spectrum - CPU

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.

Ryzen 9 5900X

2020

Why buy it

  • Better for gaming: +30.4% higher average FPS across 4 shared CPU benchmark tests.
  • +300% larger total L3 cache (64 MB vs 16 MB).
  • Costs $45 less on MSRP ($549 MSRP vs $594 MSRP).
  • Delivers 68.5% more PassMark for each dollar spent, at 71.0 vs 42.1 PassMark/$ ($549 MSRP vs $594 MSRP).
  • Draws 105W instead of 125W, a 20W reduction.

Trade-offs

  • Fewer obvious downsides in this matchup outside of normal market pricing swings.

Xeon W-1390P

2021

Why buy it

    Trade-offs

    • Worse for gaming: lower average FPS than Ryzen 9 5900X across 4 shared CPU benchmark tests.
    • Lower PassMark (25,016 vs 38,955).
    • Smaller total L3 cache (16 MB vs 64 MB).
    • Lower PassMark per dollar, at 42.1 vs 71.0 PassMark/$ ($594 MSRP vs $549 MSRP).
    • 19% higher power demand at 125W vs 105W.

    Quick Answers

    So, is Ryzen 9 5900X better than Xeon W-1390P?
    Not in a simple one-size-fits-all way. Xeon W-1390P makes more sense for workstation-style multi-core throughput, while Ryzen 9 5900X is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.
    Which one is better for gaming?
    If gaming is the priority, Ryzen 9 5900X is the better pick here. According to our tests, it delivers 30.4% more average FPS across 4 shared CPU game tests.
    Which one is better for streaming, content creation, and heavy multitasking?
    For streaming, content creation, and heavier multitasking, Ryzen 9 5900X is the better fit. You are getting 55.7% better PassMark, backed by 12 cores and 24 threads. It also carries the larger cache pool with 300% larger total L3 cache (64 MB vs 16 MB).
    Which one is the smarter buy today, not just the cheaper CPU?
    Ryzen 9 5900X is the smarter buy today. Ryzen 9 5900X is $45 cheaper on MSRP at $549 MSRP versus $594 MSRP, and it gives you a 30.4% average FPS lead across 4 shared CPU game tests in our data. It is also 68.5% better value on MSRP (71.0 vs 42.1 PassMark/$), 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 W-1390P is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2020). That makes it the safer long-term pick.

    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.

    Path of Exile 2

    Path of Exile 2

    PresetRyzen 9 5900XXeon W-1390P
    1080p
    low323 FPS259 FPS
    medium291 FPS240 FPS
    high243 FPS201 FPS
    ultra193 FPS173 FPS
    1440p
    low307 FPS225 FPS
    medium248 FPS188 FPS
    high192 FPS152 FPS
    ultra157 FPS134 FPS
    4K
    low193 FPS154 FPS
    medium156 FPS129 FPS
    high115 FPS99 FPS
    ultra103 FPS88 FPS
    Counter-Strike 2

    Counter-Strike 2

    PresetRyzen 9 5900XXeon W-1390P
    1080p
    low772 FPS420 FPS
    medium647 FPS353 FPS
    high508 FPS314 FPS
    ultra450 FPS283 FPS
    1440p
    low619 FPS373 FPS
    medium536 FPS324 FPS
    high443 FPS287 FPS
    ultra364 FPS249 FPS
    4K
    low365 FPS249 FPS
    medium318 FPS223 FPS
    high289 FPS216 FPS
    ultra255 FPS184 FPS
    League of Legends

    League of Legends

    PresetRyzen 9 5900XXeon W-1390P
    1080p
    low832 FPS625 FPS
    medium645 FPS536 FPS
    high558 FPS460 FPS
    ultra459 FPS398 FPS
    1440p
    low721 FPS598 FPS
    medium565 FPS497 FPS
    high488 FPS421 FPS
    ultra407 FPS366 FPS
    4K
    low511 FPS427 FPS
    medium421 FPS370 FPS
    high374 FPS330 FPS
    ultra308 FPS280 FPS
    Valorant

    Valorant

    PresetRyzen 9 5900XXeon W-1390P
    1080p
    low974 FPS625 FPS
    medium974 FPS625 FPS
    high934 FPS625 FPS
    ultra826 FPS625 FPS
    1440p
    low959 FPS625 FPS
    medium843 FPS625 FPS
    high726 FPS625 FPS
    ultra617 FPS625 FPS
    4K
    low694 FPS625 FPS
    medium621 FPS576 FPS
    high541 FPS515 FPS
    ultra437 FPS437 FPS

    Technical Specifications

    Side-by-side comparison of Ryzen 9 5900X and Xeon W-1390P

    AMD

    Ryzen 9 5900X

    The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.

    Intel

    Xeon W-1390P

    The Xeon W-1390P is manufactured by Intel. It was released in 6 May 2021 (4 years ago). It is based on the Rocket Lake-S (2021) architecture. It features 8 cores and 16 threads. Base frequency is 3.5 GHz, with boost up to 5.2 GHz. L3 cache: 16 MB (total). L2 cache: 512 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 125 Watt. Memory support: DDR4-3200. Passmark benchmark score: 25,016 points. Launch price was $539.

    Processing Power

    The Ryzen 9 5900X packs 12 cores / 24 threads, while the Xeon W-1390P offers 8 cores / 16 threads — the Ryzen 9 5900X has 4 more cores. Boost clocks reach 4.8 GHz on the Ryzen 9 5900X versus 5.2 GHz on the Xeon W-1390P — a 8% clock advantage for the Xeon W-1390P (base: 3.7 GHz vs 3.5 GHz). The Ryzen 9 5900X uses the Vermeer (Zen3) (2020−2022) architecture (7 nm, 12 nm), while the Xeon W-1390P uses Rocket Lake-S (2021) (14 nm). In PassMark, the Ryzen 9 5900X scores 38,955 against the Xeon W-1390P's 25,016 — a 43.6% lead for the Ryzen 9 5900X. L3 cache: 64 MB on the Ryzen 9 5900X vs 16 MB (total) on the Xeon W-1390P.

    FeatureRyzen 9 5900XXeon W-1390P
    Cores / Threads
    12 / 24+50%
    8 / 16
    Boost Clock
    4.8 GHz
    5.2 GHz+8%
    Base Clock
    3.7 GHz+6%
    3.5 GHz
    L3 Cache
    64 MB+300%
    16 MB (total)
    L2 Cache
    512K (per core)
    512 kB (per core)
    Process
    7 nm, 12 nm-50%
    14 nm
    Architecture
    Vermeer (Zen3) (2020−2022)
    Rocket Lake-S (2021)
    PassMark
    38,955+56%
    25,016
    Cinebench R23 Multi
    21,000
    Geekbench 6 Single
    2,174
    Geekbench 6 Multi
    11,888
    🧠

    Memory & Platform

    The Ryzen 9 5900X uses the AM4 socket (PCIe 4.0), while the Xeon W-1390P uses LGA1200 (PCIe 4.0) — making them incompatible on the same motherboard.

    FeatureRyzen 9 5900XXeon W-1390P
    Socket
    AM4
    LGA1200
    PCIe Generation
    PCIe 4.0
    PCIe 4.0
    Max RAM Speed
    DDR4-3200
    Max RAM Capacity
    128 GB
    RAM Channels
    2
    ECC Support
    Yes
    PCIe Lanes
    24
    🔧

    Advanced Features

    Virtualization: AMD-V (Ryzen 9 5900X) / not specified (Xeon W-1390P). Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K.

    FeatureRyzen 9 5900XXeon W-1390P
    Integrated GPU
    No
    Unlocked
    Yes
    AVX-512
    No
    Virtualization
    AMD-V
    Target Use
    Workstation
    💰

    Value Analysis

    The Ryzen 9 5900X launched at $549 MSRP, while the Xeon W-1390P debuted at $594. On MSRP ($549 vs $594), the Ryzen 9 5900X is $45 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 5900X delivers 71.0 pts/$ vs 42.1 pts/$ for the Xeon W-1390P — making the Ryzen 9 5900X the 51% better value option.

    FeatureRyzen 9 5900XXeon W-1390P
    MSRP
    $549-8%
    $594
    Performance per Dollar
    71.0+69%
    42.1
    Release Date
    2020
    2021