Athlon XP 1800+ vs Athlon XP 1900+

AMD

Athlon XP 1800+

1 Cores1 Thrd66 WWMax: 1.53 GHz2001
Similar parts
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VS
AMD

Athlon XP 1900+

1 Cores1 Thrd68 WWMax: 1.6 GHz2001
Similar parts
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Athlon XP 1800+ vs Athlon XP 1900+ 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.

Athlon XP 1800+ vs Athlon XP 1900+ 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.

Athlon XP 1800+ vs Athlon XP 1900+: Pros, Cons & Final Verdict

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

Athlon XP 1800+

2001

Why buy it

  • Costs $17 less on MSRP ($252 MSRP vs $269 MSRP).
  • Includes a boxed cooler (Stock), unlike Athlon XP 1900+.

Trade-offs

  • Lower PassMark (225 vs 238).

Athlon XP 1900+

2001

Why buy it

    Trade-offs

    • 6.7% HIGHER MSRP
      $269 MSRPvs$252 MSRP
    • No boxed cooler included, unlike Athlon XP 1800+.

    Quick Answers

    So, is Athlon XP 1900+ better than Athlon XP 1800+?
    Yes. Athlon XP 1900+ is the better all-around CPU here. It gives you 5.8% better PassMark and the stronger long-term platform, which is enough to make it the stronger overall pick.
    Which one is better for gaming?
    If gaming is the priority, Athlon XP 1900+ has the edge because it leads the single-thread side of this matchup with 4.6% higher max boost clock.
    Which one is better for streaming, content creation, and heavy multitasking?
    For streaming, content creation, and heavier multitasking, Athlon XP 1900+ is the stronger fit. You are getting 5.8% better PassMark, backed by 1 cores and 1 threads.
    Which one is the smarter buy today, not just the cheaper CPU?
    Athlon XP 1900+ is still the much better call for a fresh build. Athlon XP 1900+ comes in 6.7% more expensive on MSRP at $269 MSRP versus $252 MSRP, and it still gives you 5.8% higher PassMark. Athlon XP 1800+ only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2001 platform. Even with 0.9% better value on paper (0.9 vs 0.9 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on A.
    Which one is more future-proof for 2026 and beyond?
    Athlon XP 1900+ makes more sense long term for 2026 and beyond. You are getting more multi-core headroom with 1 cores / 1 threads instead of 1/1. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

    Athlon XP 1800+ vs Athlon XP 1900+ Technical Specifications

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

    AMD

    Athlon XP 1800+

    The Athlon XP 1800+ is manufactured by AMD. It was released in Janeiro 2001 (24 years ago). It is based on the Thoroughbred (2001−2002) architecture. It features 1 cores and 1 threads. Max frequency: 1.53 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 180 nm process technology. Socket: A. Thermal design power (TDP): 66 Watt. Passmark benchmark score: 225 points. Launch price was $59.

    AMD

    Athlon XP 1900+

    The Athlon XP 1900+ is manufactured by AMD. It was released in 2009-01-01. It is based on the Thoroughbred (2001−2002) architecture. It features 1 cores and 1 threads. Max frequency: 1.6 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 180 nm process technology. Socket: A. Thermal design power (TDP): 68 Watt. Passmark benchmark score: 238 points. Launch price was $149.

    Processing Power

    Both the Athlon XP 1800+ and Athlon XP 1900+ share an identical 1-core/1-thread configuration. Boost clocks reach 1.53 GHz on the Athlon XP 1800+ versus 1.6 GHz on the Athlon XP 1900+ — a 4.5% clock advantage for the Athlon XP 1900+. Both are built on the Thoroughbred (2001−2002) architecture using a 180 nm process. In PassMark, the Athlon XP 1800+ scores 225 against the Athlon XP 1900+'s 238 — a 5.6% lead for the Athlon XP 1900+. Both processors carry 0 kB of L3 cache.

    FeatureAthlon XP 1800+Athlon XP 1900+
    Cores / Threads
    1 / 1
    1 / 1
    Boost Clock
    1.53 GHz
    1.6 GHz+5%
    L3 Cache
    0 kB
    0 kB
    L2 Cache
    256 kB
    256 kB
    Process
    180 nm
    180 nm
    Architecture
    Thoroughbred (2001−2002)
    Thoroughbred (2001−2002)
    PassMark
    225
    238+6%
    Geekbench 6 Single
    180
    Geekbench 6 Multi
    651
    🧠

    Memory & Platform

    Both processors use the A socket with PCIe 1.1. Maximum memory speed reaches DDR1 on the Athlon XP 1800+ versus DDR-266 on the Athlon XP 1900+ — the Athlon XP 1800+ supports -100.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Athlon XP 1900+ supports up to 4 GB of RAM compared to 2 GB 100% more capacity for professional workloads. Both feature 1-channel memory with ECC support. Chipset compatibility: KT133,KT266,nForce2 (Athlon XP 1800+) and AMD Socket A (Athlon XP 1900+).

    FeatureAthlon XP 1800+Athlon XP 1900+
    Socket
    A
    A
    PCIe Generation
    PCIe 1.1
    PCIe 1.1
    Max RAM Speed
    DDR1
    DDR-266
    Max RAM Capacity
    2 GB
    4 GB+100%
    RAM Channels
    1
    1
    ECC Support
    No
    Yes
    PCIe Lanes
    0
    🔧

    Advanced Features

    Virtualization: No (Athlon XP 1800+) / not specified (Athlon XP 1900+). Primary use case: Athlon XP 1800+ targets Budget. Direct competitor: Athlon XP 1800+ rivals Pentium D 830.

    FeatureAthlon XP 1800+Athlon XP 1900+
    Integrated GPU
    No
    No
    Unlocked
    No
    AVX-512
    No
    Virtualization
    No
    Target Use
    Budget
    💰

    Value Analysis

    At launch, the Athlon XP 1800+ was priced at $252, while the Athlon XP 1900+ came in at $269. On launch pricing ($252 vs $269), Athlon XP 1800+ was $17 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon XP 1800+ delivers 0.9 pts/$ vs 0.9 pts/$ for the Athlon XP 1900+ — making the Athlon XP 1800+ the 0.9% better value option.

    FeatureAthlon XP 1800+Athlon XP 1900+
    MSRP
    $252-6%
    $269
    Performance per Dollar
    0.9
    0.9
    Release Date
    2001
    2001

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