Xeon Gold 5218R vs Xeon Gold 6242

Intel

Xeon Gold 5218R

20 Cores40 Thrd125 WWMax: 4 GHz2020

Popular choices:

VS
Intel

Xeon Gold 6242

16 Cores32 Thrd150 WWMax: 3.9 GHz2019

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.

Xeon Gold 5218R

2020

Why buy it

  • +25% larger total L3 cache (28 MB vs 22 MB).
  • Draws 125W instead of 150W, a 25W reduction.
  • 100+% more PCIe lanes (48 vs 0) for storage and expansion-heavy builds.

Trade-offs

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

Xeon Gold 6242

2019

Why buy it

    Trade-offs

    • Lower PassMark (24,994 vs 25,000).
    • Smaller total L3 cache (22 MB vs 28 MB).
    • 20% higher power demand at 150W vs 125W.

    Quick Answers

    So, is Xeon Gold 5218R better than Xeon Gold 6242?
    Yes. Xeon Gold 5218R is the better overall CPU here. You are getting a 2.8% average FPS lead across 7 shared CPU game tests in our data, 0% better PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.
    Which one is better for gaming?
    If gaming is the priority, Xeon Gold 5218R is the better pick here. According to our tests, it delivers 2.8% more average FPS across 7 shared CPU game tests.
    Which one is better for streaming, content creation, and heavy multitasking?
    For streaming, content creation, and heavier multitasking, Xeon Gold 5218R is the better fit. You are getting 0% better PassMark, backed by 20 cores and 40 threads. It also carries the larger cache pool with 25% larger total L3 cache (28 MB vs 22 MB).
    Which one is the smarter buy today, not just the cheaper CPU?
    Xeon Gold 5218R still looks like the safer overall buy. Xeon Gold 5218R is at an unclear MSRP at unclear MSRP versus unclear MSRP, and it gives you a 2.8% average FPS lead across 7 shared CPU game tests in our data.
    Which one is more future-proof for 2026 and beyond?
    Xeon Gold 5218R is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2019), 25% larger total L3 cache (28 MB vs 22 MB), more multi-core headroom with 20 cores / 40 threads instead of 16/32, and AVX-512 support for heavier modern compute workloads. That extra compute headroom should age better as games, background tasks, and creator workloads get heavier.

    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

    PresetXeon Gold 5218RXeon Gold 6242
    1080p
    low186 FPS184 FPS
    medium151 FPS148 FPS
    high123 FPS120 FPS
    ultra96 FPS93 FPS
    1440p
    low146 FPS146 FPS
    medium115 FPS114 FPS
    high92 FPS92 FPS
    ultra72 FPS72 FPS
    4K
    low68 FPS68 FPS
    medium57 FPS57 FPS
    high45 FPS45 FPS
    ultra36 FPS36 FPS
    Counter-Strike 2

    Counter-Strike 2

    PresetXeon Gold 5218RXeon Gold 6242
    1080p
    low212 FPS400 FPS
    medium188 FPS346 FPS
    high161 FPS288 FPS
    ultra136 FPS242 FPS
    1440p
    low183 FPS346 FPS
    medium166 FPS307 FPS
    high143 FPS256 FPS
    ultra120 FPS213 FPS
    4K
    low119 FPS224 FPS
    medium109 FPS199 FPS
    high99 FPS177 FPS
    ultra82 FPS146 FPS
    League of Legends

    League of Legends

    PresetXeon Gold 5218RXeon Gold 6242
    1080p
    low625 FPS625 FPS
    medium625 FPS625 FPS
    high625 FPS625 FPS
    ultra625 FPS625 FPS
    1440p
    low625 FPS625 FPS
    medium625 FPS612 FPS
    high625 FPS580 FPS
    ultra559 FPS512 FPS
    4K
    low487 FPS462 FPS
    medium399 FPS361 FPS
    high352 FPS322 FPS
    ultra287 FPS261 FPS
    Valorant

    Valorant

    PresetXeon Gold 5218RXeon Gold 6242
    1080p
    low625 FPS625 FPS
    medium625 FPS625 FPS
    high625 FPS625 FPS
    ultra567 FPS576 FPS
    1440p
    low625 FPS625 FPS
    medium590 FPS598 FPS
    high508 FPS517 FPS
    ultra440 FPS444 FPS
    4K
    low468 FPS468 FPS
    medium419 FPS421 FPS
    high374 FPS377 FPS
    ultra323 FPS328 FPS

    Technical Specifications

    Side-by-side comparison of Xeon Gold 5218R and Xeon Gold 6242

    Intel

    Xeon Gold 5218R

    The Xeon Gold 5218R is manufactured by Intel. It was released in 24 February 2020 (5 years ago). It is based on the Cascade Lake (2019−2020) architecture. It features 20 cores and 40 threads. Base frequency is 2.1 GHz, with boost up to 4 GHz. L3 cache: 27.5 MB. L2 cache: 20 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 125 Watt. Memory support: DDR4-2667. Passmark benchmark score: 25,000 points. Launch price was $1,273.

    Intel

    Xeon Gold 6242

    The Xeon Gold 6242 is manufactured by Intel. It was released in 2 April 2019 (6 years ago). It is based on the Cascade Lake (2019−2020) architecture. It features 16 cores and 32 threads. Base frequency is 2.8 GHz, with boost up to 3.9 GHz. L3 cache: 22 MB. L2 cache: 16 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 150 Watt. Memory support: DDR4-2933. Passmark benchmark score: 24,994 points. Launch price was $2,529.

    Processing Power

    The Xeon Gold 5218R packs 20 cores / 40 threads, while the Xeon Gold 6242 offers 16 cores / 32 threads — the Xeon Gold 5218R has 4 more cores. Boost clocks reach 4 GHz on the Xeon Gold 5218R versus 3.9 GHz on the Xeon Gold 6242 — a 2.5% clock advantage for the Xeon Gold 5218R (base: 2.1 GHz vs 2.8 GHz). Both are built on the Cascade Lake (2019−2020) architecture using a 14 nm process. In PassMark, the Xeon Gold 5218R scores 25,000 against the Xeon Gold 6242's 24,994 — a 0% lead for the Xeon Gold 5218R. L3 cache: 27.5 MB on the Xeon Gold 5218R vs 22 MB on the Xeon Gold 6242.

    FeatureXeon Gold 5218RXeon Gold 6242
    Cores / Threads
    20 / 40+25%
    16 / 32
    Boost Clock
    4 GHz+3%
    3.9 GHz
    Base Clock
    2.1 GHz
    2.8 GHz+33%
    L3 Cache
    27.5 MB+25%
    22 MB
    L2 Cache
    20 MB+25%
    16 MB
    Process
    14 nm
    14 nm
    Architecture
    Cascade Lake (2019−2020)
    Cascade Lake (2019−2020)
    PassMark
    25,000
    24,994
    🧠

    Memory & Platform

    Both processors use the LGA3647 socket with PCIe 3.0.

    FeatureXeon Gold 5218RXeon Gold 6242
    Socket
    LGA3647
    LGA3647
    PCIe Generation
    PCIe 3.0
    PCIe 3.0
    Max RAM Speed
    2666
    Max RAM Capacity
    1024
    RAM Channels
    6
    ECC Support
    Yes
    PCIe Lanes
    48
    🔧

    Advanced Features

    Virtualization: VT-x, VT-d (Xeon Gold 5218R) / not specified (Xeon Gold 6242). Direct competitor: Xeon Gold 5218R rivals EPYC 7352.

    FeatureXeon Gold 5218RXeon Gold 6242
    Integrated GPU
    No
    IGPU Model
    None
    Unlocked
    No
    AVX-512
    Yes
    Virtualization
    VT-x, VT-d