Ryzen 7 7800X3D vs Xeon E5-2643 v4

AMD

Ryzen 7 7800X3D

8 Cores16 Thrd120 WWMax: 5 GHz2023

Popular choices:

VS
Intel

Xeon E5-2643 v4

6 Cores12 Thrd135 WWMax: 3.7 GHz2016

Popular choices:

Ryzen 7 7800X3D

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 7 7800X3D

2023

Why buy it

  • Better for gaming: +111.8% higher average FPS across 5 shared CPU benchmark tests.
  • Costs $1,103 less on MSRP ($449 MSRP vs $1,552 MSRP).
  • Delivers 975.3% more PassMark for each dollar spent, at 76.4 vs 7.1 PassMark/$ ($449 MSRP vs $1,552 MSRP).
  • Draws 120W instead of 135W, a 15W reduction.
  • Newer platform on AM5 with DDR5 support instead of LGA2011 and DDR4.

Trade-offs

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

Xeon E5-2643 v4

2016

Why buy it

    Trade-offs

    • Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 5 shared CPU benchmark tests.
    • Lower PassMark (11,024 vs 34,293).
    • Lower PassMark per dollar, at 7.1 vs 76.4 PassMark/$ ($1,552 MSRP vs $449 MSRP).
    • Older platform position on LGA2011 with DDR4, while Ryzen 7 7800X3D moves to AM5 and DDR5.
    • No integrated graphics, while Ryzen 7 7800X3D can still boot and troubleshoot without a discrete GPU.

    Quick Answers

    So, is Ryzen 7 7800X3D better than Xeon E5-2643 v4?
    Not in a simple one-size-fits-all way. Xeon E5-2643 v4 makes more sense for workstation-style multi-core throughput, while Ryzen 7 7800X3D 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 7 7800X3D is the better pick here. According to our tests, it delivers 111.8% more average FPS across 5 shared CPU game tests. It also has a big cache advantage at 96 MB vs 20 MB.
    Which one is better for streaming, content creation, and heavy multitasking?
    For streaming, content creation, and heavier multitasking, Ryzen 7 7800X3D is the better fit. You are getting 211.1% better PassMark, backed by 8 cores and 16 threads. It also carries the larger cache pool with 380% larger total L3 cache (96 MB vs 20 MB).
    Which one is the smarter buy today, not just the cheaper CPU?
    Ryzen 7 7800X3D is the smarter buy today. Ryzen 7 7800X3D is $1,103 cheaper on MSRP at $449 MSRP versus $1,552 MSRP, and it gives you a 111.8% average FPS lead across 5 shared CPU game tests in our data. It is also 975.3% better value on MSRP (76.4 vs 7.1 PassMark/$), 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?
    Ryzen 7 7800X3D is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2016), a healthier platform with AM5 and DDR5 instead of LGA2011, 3D V-Cache and a much larger 96 MB L3 cache instead of 20 MB, more multi-core headroom with 8 cores / 16 threads instead of 6/12, and AVX-512 support for heavier modern compute workloads. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

    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 7 7800X3DXeon E5-2643 v4
    1080p
    low266 FPS174 FPS
    medium247 FPS149 FPS
    high211 FPS119 FPS
    ultra186 FPS97 FPS
    1440p
    low258 FPS146 FPS
    medium215 FPS122 FPS
    high171 FPS96 FPS
    ultra154 FPS77 FPS
    4K
    low179 FPS65 FPS
    medium149 FPS58 FPS
    high112 FPS45 FPS
    ultra100 FPS36 FPS
    Counter-Strike 2

    Counter-Strike 2

    PresetRyzen 7 7800X3DXeon E5-2643 v4
    1080p
    low857 FPS276 FPS
    medium737 FPS269 FPS
    high580 FPS230 FPS
    ultra493 FPS191 FPS
    1440p
    low722 FPS269 FPS
    medium611 FPS232 FPS
    high500 FPS201 FPS
    ultra398 FPS169 FPS
    4K
    low396 FPS188 FPS
    medium339 FPS164 FPS
    high315 FPS144 FPS
    ultra273 FPS110 FPS
    League of Legends

    League of Legends

    PresetRyzen 7 7800X3DXeon E5-2643 v4
    1080p
    low857 FPS276 FPS
    medium857 FPS276 FPS
    high857 FPS276 FPS
    ultra857 FPS276 FPS
    1440p
    low857 FPS276 FPS
    medium851 FPS276 FPS
    high786 FPS276 FPS
    ultra656 FPS276 FPS
    4K
    low558 FPS276 FPS
    medium479 FPS276 FPS
    high427 FPS276 FPS
    ultra362 FPS246 FPS
    Valorant

    Valorant

    PresetRyzen 7 7800X3DXeon E5-2643 v4
    1080p
    low857 FPS276 FPS
    medium857 FPS276 FPS
    high857 FPS276 FPS
    ultra782 FPS276 FPS
    1440p
    low857 FPS276 FPS
    medium760 FPS276 FPS
    high669 FPS276 FPS
    ultra576 FPS276 FPS
    4K
    low618 FPS276 FPS
    medium556 FPS276 FPS
    high495 FPS276 FPS
    ultra428 FPS276 FPS

    Technical Specifications

    Side-by-side comparison of Ryzen 7 7800X3D and Xeon E5-2643 v4

    AMD

    Ryzen 7 7800X3D

    The Ryzen 7 7800X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 8 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 34,293 points. Launch price was $449.

    Intel

    Xeon E5-2643 v4

    The Xeon E5-2643 v4 is manufactured by Intel. It was released in 20 June 2016 (9 years ago). It is based on the Broadwell (2015−2019) architecture. It features 6 cores and 12 threads. Base frequency is 3.4 GHz, with boost up to 3.7 GHz. L3 cache: 20 MB. L2 cache: 1.5 MB. Built on 14 nm process technology. Socket: LGA2011. Thermal design power (TDP): 135 Watt. Memory support: DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400. Passmark benchmark score: 11,024 points. Launch price was $1,552.

    Processing Power

    The Ryzen 7 7800X3D packs 8 cores / 16 threads, while the Xeon E5-2643 v4 offers 6 cores / 12 threads — the Ryzen 7 7800X3D has 2 more cores. Boost clocks reach 5 GHz on the Ryzen 7 7800X3D versus 3.7 GHz on the Xeon E5-2643 v4 — a 29.9% clock advantage for the Ryzen 7 7800X3D (base: 4.4 GHz vs 3.4 GHz). The Ryzen 7 7800X3D uses the Raphael (Zen4) (2022−2023) architecture (5 nm), while the Xeon E5-2643 v4 uses Broadwell (2015−2019) (14 nm). In PassMark, the Ryzen 7 7800X3D scores 34,293 against the Xeon E5-2643 v4's 11,024 — a 102.7% lead for the Ryzen 7 7800X3D. L3 cache: 96 MB (total) on the Ryzen 7 7800X3D vs 20 MB on the Xeon E5-2643 v4.

    FeatureRyzen 7 7800X3DXeon E5-2643 v4
    Cores / Threads
    8 / 16+33%
    6 / 12
    Boost Clock
    5 GHz+35%
    3.7 GHz
    Base Clock
    4.4 GHz+29%
    3.4 GHz
    L3 Cache
    96 MB (total)+380%
    20 MB
    L2 Cache
    1 MB (per core)
    1.5 MB+50%
    Process
    5 nm-64%
    14 nm
    Architecture
    Raphael (Zen4) (2022−2023)
    Broadwell (2015−2019)
    PassMark
    34,293+211%
    11,024
    Cinebench R23 Multi
    18,500
    Geekbench 6 Single
    2,700
    Geekbench 6 Multi
    15,000
    🧠

    Memory & Platform

    The Ryzen 7 7800X3D uses the AM5 socket (PCIe 5.0), while the Xeon E5-2643 v4 uses LGA2011 (PCIe 5.0) — making them incompatible on the same motherboard.

    FeatureRyzen 7 7800X3DXeon E5-2643 v4
    Socket
    AM5
    LGA2011
    PCIe Generation
    PCIe 5.0
    PCIe 5.0
    Max RAM Speed
    DDR5-5200
    Max RAM Capacity
    128 GB
    RAM Channels
    2
    ECC Support
    Yes
    PCIe Lanes
    28
    🔧

    Advanced Features

    Virtualization: AMD-V (Ryzen 7 7800X3D) / not specified (Xeon E5-2643 v4). The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the Xeon E5-2643 v4 requires a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.

    FeatureRyzen 7 7800X3DXeon E5-2643 v4
    Integrated GPU
    Yes
    IGPU Model
    AMD Radeon Graphics (2-core)
    Unlocked
    Yes
    AVX-512
    Yes
    Virtualization
    AMD-V
    Target Use
    Gaming
    💰

    Value Analysis

    The Ryzen 7 7800X3D launched at $449 MSRP, while the Xeon E5-2643 v4 debuted at $1552. On MSRP ($449 vs $1552), the Ryzen 7 7800X3D is $1103 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 7 7800X3D delivers 76.4 pts/$ vs 7.1 pts/$ for the Xeon E5-2643 v4 — making the Ryzen 7 7800X3D the 166% better value option.

    FeatureRyzen 7 7800X3DXeon E5-2643 v4
    MSRP
    $449-71%
    $1552
    Performance per Dollar
    76.4+976%
    7.1
    Release Date
    2023
    2016