Xeon E5-2678 v3 vs Xeon E5-2683 v3

Intel

Xeon E5-2678 v3

12 Cores24 Thrd120 WWMax: 3.3 GHz2015
Similar parts
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VS
Intel

Xeon E5-2683 v3

14 Cores28 Thrd120 WWMax: 3 GHz2014
Similar parts
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Xeon E5-2678 v3 vs Xeon E5-2683 v3 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 E5-2678 v3 vs Xeon E5-2683 v3 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 E5-2678 v3 vs Xeon E5-2683 v3: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Xeon E5-2678 v3

2015

Why buy it

    Trade-offs

    • Worse for gaming: lower average FPS than Xeon E5-2683 v3 across 50 shared CPU benchmark tests.
    • Lower PassMark (14,653 vs 14,686).

    Xeon E5-2683 v3

    2014

    Why buy it

    • Better for gaming: +3.0% higher average FPS across 50 shared CPU benchmark tests.

    Trade-offs

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

    Quick Answers

    So, is Xeon E5-2683 v3 better than Xeon E5-2678 v3?
    Yes. Xeon E5-2683 v3 is the better all-around CPU here. It gives you a 3.0% average FPS lead across 50 shared CPU game tests in our data and 0.2% better PassMark, which is enough to make it the stronger overall pick.
    Which one is better for gaming?
    If gaming is the priority, Xeon E5-2683 v3 is the better pick. According to our tests, it delivers 3.0% 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 E5-2683 v3 is the stronger fit. You are getting 0.2% better PassMark, backed by 14 cores and 28 threads.
    Which one is the smarter buy today, not just the cheaper CPU?
    Xeon E5-2683 v3 still makes the most sense overall. Xeon E5-2683 v3 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 3.0% average FPS lead across 50 shared CPU game tests in our data.
    Which one is more future-proof for 2026 and beyond?
    Xeon E5-2678 v3 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2014). That makes it the safer long-term bet.

    Xeon E5-2678 v3 vs Xeon E5-2683 v3 Technical Specifications

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

    Intel

    Xeon E5-2678 v3

    The Xeon E5-2678 v3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell (2013−2015) architecture. It features 12 cores and 24 threads. Base frequency is 2.5 GHz, with boost up to 3.3 GHz. L3 cache: 30 MB. L2 cache: 3072 kB. Built on 22 nm process technology. Socket: LGA2011-3. Thermal design power (TDP): 120 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 14,653 points. Launch price was $800.

    Intel

    Xeon E5-2683 v3

    The Xeon E5-2683 v3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 14 cores and 28 threads. Base frequency is 2 GHz, with boost up to 3 GHz. L3 cache: 35 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 120 Watt. Memory support: DDR4-1600, DDR4-1866, DDR4-2133. Passmark benchmark score: 14,686 points. Launch price was $800.

    Processing Power

    The Xeon E5-2678 v3 packs 12 cores / 24 threads, while the Xeon E5-2683 v3 offers 14 cores / 28 threads — the Xeon E5-2683 v3 has 2 more cores. Boost clocks reach 3.3 GHz on the Xeon E5-2678 v3 versus 3 GHz on the Xeon E5-2683 v3 — a 9.5% clock advantage for the Xeon E5-2678 v3 (base: 2.5 GHz vs 2 GHz). The Xeon E5-2678 v3 uses the Haswell (2013−2015) architecture (22 nm), while the Xeon E5-2683 v3 uses Haswell-EP (2014−2015) (22 nm). In PassMark, the Xeon E5-2678 v3 scores 14,653 against the Xeon E5-2683 v3's 14,686 — a 0.2% lead for the Xeon E5-2683 v3. L3 cache: 30 MB on the Xeon E5-2678 v3 vs 35 MB (total) on the Xeon E5-2683 v3.

    FeatureXeon E5-2678 v3Xeon E5-2683 v3
    Cores / Threads
    12 / 24
    14 / 28+17%
    Boost Clock
    3.3 GHz+10%
    3 GHz
    Base Clock
    2.5 GHz+25%
    2 GHz
    L3 Cache
    30 MB
    35 MB (total)+17%
    L2 Cache
    3072 kB+1100%
    256K (per core)
    Process
    22 nm
    22 nm
    Architecture
    Haswell (2013−2015)
    Haswell-EP (2014−2015)
    PassMark
    14,653
    14,686
    🧠

    Memory & Platform

    The Xeon E5-2678 v3 uses the LGA2011-3 socket (PCIe 3.0), while the Xeon E5-2683 v3 uses LGA2011 (PCIe 4.0) — making them incompatible on the same motherboard.

    FeatureXeon E5-2678 v3Xeon E5-2683 v3
    Socket
    LGA2011-3
    LGA2011
    PCIe Generation
    PCIe 3.0
    PCIe 4.0+33%