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Mobile Athlon 64 3400+ vs Sempron 3800+

CPUCPUGPUGPU
AMD

Mobile Athlon 64 3400+

1 Cores1 Thrd1 WWMax: 2.2 GHz2005
Similar parts
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VS
AMD

Sempron 3800+

1 Cores1 Thrd62 WWMax: 2.2 GHz2006
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Buy on Amazon

Mobile Athlon 64 3400+ vs Sempron 3800+ Performance Spectrum

Mobile Athlon 64 3400+
1 / 1
545
+3.2%
brand logoAthlon XP 2400+
brand logoAthlon XP 2700+
brand logoAthlon XP 3100+
brand logoAthlon 64 3100+
brand logoRyzen 5 PRO 220
brand logoRyzen Threadripper PRO 3955WX
brand logoRyzen Threadripper PRO 7955WX
brand logoRyzen Threadripper 3990X
Sempron 3800+
1 / 1
528
0.0%
brand logoAthlon XP 2200+
brand logoAthlon XP 2600+
brand logoAthlon XP 3000+
brand logoAthlon 64 3000+
brand logoRyzen 5 PRO 220
brand logoRyzen Threadripper PRO 3955WX
brand logoRyzen Threadripper PRO 7955WX
brand logoRyzen Threadripper 3990X

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.

Mobile Athlon 64 3400+ vs Sempron 3800+ 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.

Path of Exile 2

Path of Exile 2

1080P
Mobile Athlon 64 3400+
low14 FPS
medium14 FPS
high14 FPS
ultra14 FPS
1080P
Sempron 3800+
low13 FPS
medium13 FPS
high13 FPS
ultra13 FPS
Counter-Strike 2

Counter-Strike 2

1080P
Mobile Athlon 64 3400+
low14 FPS
medium14 FPS
high14 FPS
ultra14 FPS
1080P
Sempron 3800+
low13 FPS
medium13 FPS
high13 FPS
ultra13 FPS
League of Legends

League of Legends

1080P
Mobile Athlon 64 3400+
low14 FPS
medium14 FPS
high14 FPS
ultra14 FPS
1080P
Sempron 3800+
low13 FPS
medium13 FPS
high13 FPS
ultra13 FPS
Valorant

Valorant

1080P
Mobile Athlon 64 3400+
low14 FPS
medium14 FPS
high14 FPS
ultra14 FPS
1080P
Sempron 3800+
low13 FPS
medium13 FPS
high13 FPS
ultra13 FPS
Among Us

Among Us

1080P
Mobile Athlon 64 3400+
low14 FPS
medium14 FPS
high14 FPS
ultra14 FPS
1080P
Sempron 3800+
low13 FPS
medium13 FPS
high13 FPS
ultra13 FPS
Apex Legends

Apex Legends

1080P
Mobile Athlon 64 3400+
low14 FPS
medium14 FPS
high14 FPS
ultra14 FPS
1080P
Sempron 3800+
low13 FPS
medium13 FPS
high13 FPS
ultra13 FPS
ARC Raiders

ARC Raiders

1080P
Mobile Athlon 64 3400+
low14 FPS
medium14 FPS
high14 FPS
ultra14 FPS
1080P
Sempron 3800+
low13 FPS
medium13 FPS
high13 FPS
ultra13 FPS
Baldur's Gate 3

Baldur's Gate 3

1080P
Mobile Athlon 64 3400+
low14 FPS
medium14 FPS
high14 FPS
ultra14 FPS
1080P
Sempron 3800+
low13 FPS
medium13 FPS
high13 FPS
ultra13 FPS
Call of Duty: Black Ops 6

Call of Duty: Black Ops 6

1080P
Mobile Athlon 64 3400+
low14 FPS
medium14 FPS
high14 FPS
ultra14 FPS
1080P
Sempron 3800+
low13 FPS
medium13 FPS
high13 FPS
ultra13 FPS
Call of Duty: Warzone

Call of Duty: Warzone

1080P
Mobile Athlon 64 3400+
low14 FPS
medium14 FPS
high14 FPS
ultra14 FPS
1080P
Sempron 3800+
low13 FPS
medium13 FPS
high13 FPS
ultra13 FPS
Check FPS with Custom Builds

Mobile Athlon 64 3400+ vs Sempron 3800+: Pros, Cons & Final Verdict

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

Mobile Athlon 64 3400+

2005

Why buy it

  • ✅Better for gaming: +7.9% higher average FPS across 50 shared CPU benchmark tests.
  • ✅Draws 1W instead of 62W, a 61W reduction.

Trade-offs

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

Sempron 3800+

2006

Why buy it

    Trade-offs

    • ❌Worse for gaming: lower average FPS than Mobile Athlon 64 3400+ across 50 shared CPU benchmark tests.
    • ❌Lower PassMark (528 vs 545).
    • ❌6100% higher power demand at 62W vs 1W.

    Quick Answers

    So, is Mobile Athlon 64 3400+ better than Sempron 3800+?
    Yes. Mobile Athlon 64 3400+ is the better all-around CPU here. It gives you a 7.9% average FPS lead across 50 shared CPU game tests in our data and 3.2% better PassMark, which is enough to make it the stronger overall pick.
    Which one is better for gaming?
    If gaming is the priority, Mobile Athlon 64 3400+ is the better pick. According to our tests, it delivers 7.9% 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, Mobile Athlon 64 3400+ is the stronger fit. You are getting 3.2% better PassMark, backed by 1 cores and 1 threads.
    Which one is the smarter buy today, not just the cheaper CPU?
    Mobile Athlon 64 3400+ still makes the most sense overall. Mobile Athlon 64 3400+ comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 7.9% average FPS lead across 50 shared CPU game tests in our data.
    Which one is more future-proof for 2026 and beyond?
    Sempron 3800+ makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2006 vs 2005). That makes it the safer long-term bet.

    Mobile Athlon 64 3400+ vs Sempron 3800+ Technical Specifications

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

    AMD

    Mobile Athlon 64 3400+

    The Mobile Athlon 64 3400+ is manufactured by AMD. It was released in Agosto 2005 (20 years ago). It is based on the Clawhammer (2001−2005) architecture. It features 1 cores and 1 threads. Max frequency: 2.2 GHz. L2 cache: 1 MB. Socket: 754. Thermal design power (TDP): 1 MB. Memory support: DDR1. Passmark benchmark score: 545 points. Launch price was $69.

    AMD

    Sempron 3800+

    The Sempron 3800+ is manufactured by AMD. It was released in Outubro 2006 (19 years ago). It is based on the Manila (2001−2006) architecture. It features 1 cores and 1 threads. Max frequency: 2.2 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 90 nm process technology. Socket: AM2. Thermal design power (TDP): 62 Watt. Passmark benchmark score: 528 points. Launch price was $21.

    ⚡

    Processing Power

    Both the Mobile Athlon 64 3400+ and Sempron 3800+ share an identical 1-core/1-thread configuration. Boost clocks reach 2.2 GHz on the Mobile Athlon 64 3400+ versus 2.2 GHz on the Sempron 3800+ — identical boost frequencies. The Mobile Athlon 64 3400+ uses the Clawhammer (2001−2005) architecture, while the Sempron 3800+ uses Manila (2001−2006) (90 nm). In PassMark, the Mobile Athlon 64 3400+ scores 545 against the Sempron 3800+'s 528 — a 3.2% lead for the Mobile Athlon 64 3400+.

    FeatureMobile Athlon 64 3400+Sempron 3800+
    Cores / Threads
    1 / 1
    1 / 1
    Boost Clock
    2.2 GHz
    2.2 GHz
    L3 Cache
    —
    0 kB
    L2 Cache
    1 MB+300%
    256 kB
    Process
    —
    90 nm
    Architecture
    Clawhammer (2001−2005)
    Manila (2001−2006)
    PassMark
    545+3%
    528
    🧠

    Memory & Platform

    The Mobile Athlon 64 3400+ uses the 754 socket (PCIe 1.1), while the Sempron 3800+ uses AM2 (PCIe 2.0) — making them incompatible on the same motherboard.

    FeatureMobile Athlon 64 3400+Sempron 3800+
    Socket
    754
    AM2
    PCIe Generation
    PCIe 1.1
    PCIe 2.0+82%
    Max RAM Speed
    400
    —
    Max RAM Capacity
    2
    —
    RAM Channels
    1
    —
    ECC Support
    No
    —
    PCIe Lanes
    0
    —
    🔧

    Advanced Features

    Virtualization: false (Mobile Athlon 64 3400+) / not specified (Sempron 3800+). Direct competitor: Mobile Athlon 64 3400+ rivals Pentium M 735.

    FeatureMobile Athlon 64 3400+Sempron 3800+
    Integrated GPU
    No
    —
    IGPU Model
    None
    —
    Unlocked
    No
    —
    AVX-512
    No
    —
    Virtualization
    false
    —