Xeon E-2278G vs Xeon Platinum 8256

Intel

Xeon E-2278G

8 Cores16 Thrd80 WWMax: 5 GHz2019

Popular choices:

VS
Intel

Xeon Platinum 8256

4 Cores8 Thrd105 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 E-2278G

2019

Why buy it

  • Better for gaming: +19.4% higher average FPS across 4 shared CPU benchmark tests.
  • Draws 80W instead of 105W, a 25W reduction.
  • 100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
  • Integrated graphics onboard with Intel UHD Graphics P630, while Xeon Platinum 8256 needs a discrete GPU.

Trade-offs

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

Xeon Platinum 8256

2019

Why buy it

    Trade-offs

    • Worse for gaming: lower average FPS than Xeon E-2278G across 4 shared CPU benchmark tests.
    • Lower PassMark (16,787 vs 16,825).
    • 31.3% higher power demand at 105W vs 80W.
    • No integrated graphics, while Xeon E-2278G can still boot and troubleshoot without a discrete GPU.

    Quick Answers

    So, is Xeon E-2278G better than Xeon Platinum 8256?
    Yes. Xeon E-2278G is the better overall CPU here. You are getting a 19.4% average FPS lead across 4 shared CPU game tests in our data and 0.2% better PassMark, which makes it the stronger all-around choice.
    Which one is better for gaming?
    If gaming is the priority, Xeon E-2278G is the better pick here. According to our tests, it delivers 19.4% 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, Xeon E-2278G is the better fit. You are getting 0.2% better PassMark, backed by 8 cores and 16 threads.
    Which one is the smarter buy today, not just the cheaper CPU?
    Xeon E-2278G still looks like the safer overall buy. Xeon E-2278G is at an unclear MSRP at unclear MSRP versus unclear MSRP, and it gives you a 19.4% average FPS lead across 4 shared CPU game tests in our data.
    Which one is more future-proof for 2026 and beyond?
    Xeon Platinum 8256 is the safer long-term CPU choice because it gives you more overall headroom and a better platform outlook.

    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 E-2278GXeon Platinum 8256
    1080p
    low265 FPS213 FPS
    medium240 FPS167 FPS
    high201 FPS134 FPS
    ultra173 FPS95 FPS
    1440p
    low233 FPS180 FPS
    medium192 FPS139 FPS
    high155 FPS110 FPS
    ultra137 FPS77 FPS
    4K
    low160 FPS72 FPS
    medium134 FPS59 FPS
    high103 FPS46 FPS
    ultra91 FPS36 FPS
    Counter-Strike 2

    Counter-Strike 2

    PresetXeon E-2278GXeon Platinum 8256
    1080p
    low417 FPS242 FPS
    medium348 FPS202 FPS
    high308 FPS181 FPS
    ultra276 FPS140 FPS
    1440p
    low369 FPS211 FPS
    medium324 FPS179 FPS
    high285 FPS159 FPS
    ultra246 FPS127 FPS
    4K
    low248 FPS151 FPS
    medium223 FPS132 FPS
    high216 FPS110 FPS
    ultra185 FPS83 FPS
    League of Legends

    League of Legends

    PresetXeon E-2278GXeon Platinum 8256
    1080p
    low421 FPS420 FPS
    medium421 FPS420 FPS
    high421 FPS420 FPS
    ultra414 FPS420 FPS
    1440p
    low421 FPS420 FPS
    medium421 FPS420 FPS
    high421 FPS420 FPS
    ultra362 FPS420 FPS
    4K
    low421 FPS420 FPS
    medium390 FPS355 FPS
    high341 FPS305 FPS
    ultra275 FPS246 FPS
    Valorant

    Valorant

    PresetXeon E-2278GXeon Platinum 8256
    1080p
    low421 FPS420 FPS
    medium421 FPS420 FPS
    high421 FPS420 FPS
    ultra421 FPS420 FPS
    1440p
    low421 FPS420 FPS
    medium421 FPS420 FPS
    high421 FPS420 FPS
    ultra421 FPS420 FPS
    4K
    low421 FPS420 FPS
    medium421 FPS420 FPS
    high421 FPS420 FPS
    ultra364 FPS409 FPS

    Technical Specifications

    Side-by-side comparison of Xeon E-2278G and Xeon Platinum 8256

    Intel

    Xeon E-2278G

    The Xeon E-2278G is manufactured by Intel. It was released in 29 May 2019 (6 years ago). It is based on the Coffee Lake-S WS (2018−2019) architecture. It features 8 cores and 16 threads. Base frequency is 3.4 GHz, with boost up to 5 GHz. L3 cache: 16 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 80 Watt. Memory support: DDR4-2666. Passmark benchmark score: 16,825 points. Launch price was $494.

    Intel

    Xeon Platinum 8256

    The Xeon Platinum 8256 is manufactured by Intel. It was released in 11 December 2018 (6 years ago). It is based on the Cascade Lake-SP (2018) architecture. It features 4 cores and 8 threads. Base frequency is 3.8 GHz, with boost up to 3.9 GHz. L3 cache: 16.5 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 105 Watt. Memory support: DDR4-2933. Passmark benchmark score: 16,787 points. Launch price was $7,007.

    Processing Power

    The Xeon E-2278G packs 8 cores / 16 threads, while the Xeon Platinum 8256 offers 4 cores / 8 threads — the Xeon E-2278G has 4 more cores. Boost clocks reach 5 GHz on the Xeon E-2278G versus 3.9 GHz on the Xeon Platinum 8256 — a 24.7% clock advantage for the Xeon E-2278G (base: 3.4 GHz vs 3.8 GHz). The Xeon E-2278G uses the Coffee Lake-S WS (2018−2019) architecture (14 nm), while the Xeon Platinum 8256 uses Cascade Lake-SP (2018) (14 nm). In PassMark, the Xeon E-2278G scores 16,825 against the Xeon Platinum 8256's 16,787 — a 0.2% lead for the Xeon E-2278G. L3 cache: 16 MB (total) on the Xeon E-2278G vs 16.5 MB (total) on the Xeon Platinum 8256.

    FeatureXeon E-2278GXeon Platinum 8256
    Cores / Threads
    8 / 16+100%
    4 / 8
    Boost Clock
    5 GHz+28%
    3.9 GHz
    Base Clock
    3.4 GHz
    3.8 GHz+12%
    L3 Cache
    16 MB (total)
    16.5 MB (total)+3%
    L2 Cache
    256 kB (per core)
    1 MB (per core)+300%
    Process
    14 nm
    14 nm
    Architecture
    Coffee Lake-S WS (2018−2019)
    Cascade Lake-SP (2018)
    PassMark
    16,825
    16,787
    🧠

    Memory & Platform

    The Xeon E-2278G uses the LGA1151 socket (PCIe 3.0), while the Xeon Platinum 8256 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard.

    FeatureXeon E-2278GXeon Platinum 8256
    Socket
    LGA1151
    LGA3647
    PCIe Generation
    PCIe 3.0
    PCIe 3.0
    Max RAM Speed
    DDR4-2666
    Max RAM Capacity
    128 GB
    RAM Channels
    2
    ECC Support
    Yes
    PCIe Lanes
    16
    🔧

    Advanced Features

    Virtualization: VT-x / VT-d / EPT (Xeon E-2278G) / not specified (Xeon Platinum 8256). The Xeon E-2278G includes integrated graphics (Intel UHD Graphics P630), while the Xeon Platinum 8256 requires a dedicated GPU. Primary use case: Xeon E-2278G targets Server.

    FeatureXeon E-2278GXeon Platinum 8256
    Integrated GPU
    Yes
    IGPU Model
    Intel UHD Graphics P630
    Unlocked
    No
    AVX-512
    No
    Virtualization
    VT-x / VT-d / EPT
    Target Use
    Server