Mobile Athlon 64 3400+ vs Sempron 145

AMD

Mobile Athlon 64 3400+

1 Cores1 Thrd1 WWMax: 2.2 GHz2005
Similar parts
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VS
AMD

Sempron 145

1 Cores1 Thrd45 WWMax: 2.8 GHz2010
Similar parts
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Mobile Athlon 64 3400+ vs Sempron 145 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.

Mobile Athlon 64 3400+ vs Sempron 145 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.

Mobile Athlon 64 3400+ vs Sempron 145: 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

  • +0.2% higher PassMark.
  • Draws 1W instead of 45W, a 44W reduction.

Trade-offs

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

Sempron 145

2010

Why buy it

    Trade-offs

    • Lower PassMark (544 vs 545).
    • 4400% higher power demand at 45W vs 1W.

    Quick Answers

    So, is Mobile Athlon 64 3400+ better than Sempron 145?
    It depends on what you want from the system. For gaming, Sempron 145 is ahead with a 0.3% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Mobile Athlon 64 3400+ pulls ahead with 0.2% better PassMark.
    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 0.2% 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 0.2% better PassMark.
    Which one is more future-proof for 2026 and beyond?
    Sempron 145 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2005). That makes it the safer long-term bet.

    Mobile Athlon 64 3400+ vs Sempron 145 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 145

    The Sempron 145 is manufactured by AMD. It was released in 1 September 2010 (15 years ago). It is based on the Sargas (2009−2011) architecture. It features 1 cores and 1 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 544 points. Launch price was $95.

    Processing Power

    Both the Mobile Athlon 64 3400+ and Sempron 145 share an identical 1-core/1-thread configuration. Boost clocks reach 2.2 GHz on the Mobile Athlon 64 3400+ versus 2.8 GHz on the Sempron 145 — a 24% clock advantage for the Sempron 145. The Mobile Athlon 64 3400+ uses the Clawhammer (2001−2005) architecture, while the Sempron 145 uses Sargas (2009−2011) (45 nm). In PassMark, the Mobile Athlon 64 3400+ scores 545 against the Sempron 145's 544 — a 0.2% lead for the Mobile Athlon 64 3400+.

    FeatureMobile Athlon 64 3400+Sempron 145
    Cores / Threads
    1 / 1
    1 / 1
    Boost Clock
    2.2 GHz
    2.8 GHz+27%
    Base Clock
    2.8 GHz
    L3 Cache
    0 kB
    L2 Cache
    1 MB
    1 MB (per core)
    Process
    45 nm
    Architecture
    Clawhammer (2001−2005)
    Sargas (2009−2011)
    PassMark
    545
    544
    🧠

    Memory & Platform

    The Mobile Athlon 64 3400+ uses the 754 socket (PCIe 1.1), while the Sempron 145 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.

    FeatureMobile Athlon 64 3400+Sempron 145
    Socket
    754
    AM3
    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 145). Direct competitor: Mobile Athlon 64 3400+ rivals Pentium M 735.

    FeatureMobile Athlon 64 3400+Sempron 145
    Integrated GPU
    No
    IGPU Model
    None
    Unlocked
    No
    AVX-512
    No
    Virtualization
    false