Atom C3858 vs Ryzen Embedded V2A46

Intel

Atom C3858

12 Cores12 Thrd25 WWMax: 2 GHz2017
Similar parts
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VS
AMD

Ryzen Embedded V2A46

6 Cores12 Thrd35 WWMax: 3.2 GHz2023
Similar parts
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Atom C3858 vs Ryzen Embedded V2A46 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.

Atom C3858 vs Ryzen Embedded V2A46 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.

Atom C3858 vs Ryzen Embedded V2A46: Pros, Cons & Final Verdict

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

Atom C3858

2017

Why buy it

  • Better for gaming: +5.9% higher average FPS across 49 shared CPU benchmark tests.
  • +50% larger total L3 cache (12 MB vs 8 MB).
  • Draws 25W instead of 35W, a 10W reduction.
  • 100+% more PCIe lanes (12 vs 0) for storage and expansion-heavy builds.

Trade-offs

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

Ryzen Embedded V2A46

2023

Why buy it

    Trade-offs

    • Worse for gaming: lower average FPS than Atom C3858 across 49 shared CPU benchmark tests.
    • Lower PassMark (4,999 vs 5,040).
    • Smaller total L3 cache (8 MB vs 12 MB).
    • 40% higher power demand at 35W vs 25W.

    Quick Answers

    So, is Atom C3858 better than Ryzen Embedded V2A46?
    Yes. Atom C3858 is the better all-around CPU here. It gives you a 5.9% average FPS lead across 49 shared CPU game tests in our data and 0.8% better PassMark, which is enough to make it the stronger overall pick.
    Which one is better for gaming?
    If gaming is the priority, Atom C3858 is the better pick. According to our tests, it delivers 5.9% more average FPS across 49 shared CPU game tests.
    Which one is better for streaming, content creation, and heavy multitasking?
    For streaming, content creation, and heavier multitasking, Atom C3858 is the stronger fit. You are getting 0.8% better PassMark, backed by 12 cores and 12 threads. It also has the larger cache pool with 50% larger total L3 cache (12 MB vs 8 MB).
    Which one is the smarter buy today, not just the cheaper CPU?
    Atom C3858 still makes the most sense overall. Atom C3858 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 5.9% average FPS lead across 49 shared CPU game tests in our data.
    Which one is more future-proof for 2026 and beyond?
    Ryzen Embedded V2A46 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2017). That makes it the safer long-term bet.

    Atom C3858 vs Ryzen Embedded V2A46 Technical Specifications

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

    Intel

    Atom C3858

    The Atom C3858 is manufactured by Intel. It was released in 15 August 2017 (8 years ago). It is based on the Goldmont (2016−2017) architecture. It features 12 cores and 12 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 12 MB. L2 cache: 12 MB. Built on 14 nm process technology. Socket: FCBGA1310. Thermal design power (TDP): 25 Watt. Memory support: DDR4: 2400. Passmark benchmark score: 5,040 points. Launch price was $332.

    AMD

    Ryzen Embedded V2A46

    The Ryzen Embedded V2A46 is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Renoir (2020−2023) architecture. It features 6 cores and 12 threads. Base frequency is 3 GHz, with boost up to 3.2 GHz. L3 cache: 8 MB (total). L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: FP6. Thermal design power (TDP): 35 Watt. Memory support: DDR4. Passmark benchmark score: 4,999 points. Launch price was $69.

    Processing Power

    The Atom C3858 packs 12 cores / 12 threads, while the Ryzen Embedded V2A46 offers 6 cores / 12 threads — the Atom C3858 has 6 more cores. Boost clocks reach 2 GHz on the Atom C3858 versus 3.2 GHz on the Ryzen Embedded V2A46 — a 46.2% clock advantage for the Ryzen Embedded V2A46 (base: 2 GHz vs 3 GHz). The Atom C3858 uses the Goldmont (2016−2017) architecture (14 nm), while the Ryzen Embedded V2A46 uses Renoir (2020−2023) (7 nm). In PassMark, the Atom C3858 scores 5,040 against the Ryzen Embedded V2A46's 4,999 — a 0.8% lead for the Atom C3858. L3 cache: 12 MB on the Atom C3858 vs 8 MB (total) on the Ryzen Embedded V2A46.

    FeatureAtom C3858Ryzen Embedded V2A46
    Cores / Threads
    12 / 12+100%
    6 / 12
    Boost Clock
    2 GHz
    3.2 GHz+60%
    Base Clock
    2 GHz
    3 GHz+50%
    L3 Cache
    12 MB+50%
    8 MB (total)
    L2 Cache
    12 MB+2300%
    512 kB (per core)
    Process
    14 nm
    7 nm-50%
    Architecture
    Goldmont (2016−2017)
    Renoir (2020−2023)
    PassMark
    5,040
    4,999
    🧠

    Memory & Platform

    The Atom C3858 uses the FCBGA1310 socket (PCIe 3.0), while the Ryzen Embedded V2A46 uses FP6 (PCIe 3.0) — making them incompatible on the same motherboard.

    FeatureAtom C3858Ryzen Embedded V2A46
    Socket
    FCBGA1310
    FP6
    PCIe Generation
    PCIe 3.0
    PCIe 3.0
    Max RAM Speed
    DDR4-2400
    Max RAM Capacity
    256 GB
    RAM Channels
    2
    ECC Support
    Yes
    PCIe Lanes
    12