Athlon 64 3800+ vs Opteron 154

AMD

Athlon 64 3800+

1 Cores1 Thrd89 WWMax: 2.4 GHz2004
Similar parts
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VS
AMD

Opteron 154

1 Cores1 Thrd104 WWMax: 2.8 GHz2005
Similar parts
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Athlon 64 3800+ vs Opteron 154 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 64 3800+ vs Opteron 154 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 64 3800+ vs Opteron 154: Pros, Cons & Final Verdict

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

Athlon 64 3800+

2004

Why buy it

  • Draws 89W instead of 104W, a 15W reduction.

Trade-offs

  • Lower PassMark (648 vs 655).
  • Launch MSRP is still $354 MSRP, while Opteron 154 mostly shows up through inconsistent older-market listings.

Opteron 154

2005

Why buy it

    Trade-offs

    • 16.9% higher power demand at 104W vs 89W.

    Quick Answers

    So, is Opteron 154 better than Athlon 64 3800+?
    Not really, because they are built for different jobs. Opteron 154 makes more sense for workstation-style multi-core throughput, while Athlon 64 3800+ is the more practical desktop choice for gaming, platform cost, and everyday use.
    Which one is better for gaming?
    If gaming is the priority, Opteron 154 has the edge because it leads the single-thread side of this matchup with 16.7% higher max boost clock.
    Which one is better for streaming, content creation, and heavy multitasking?
    For streaming, content creation, and heavier multitasking, Opteron 154 is the stronger fit. You are getting 1.1% better PassMark, backed by 1 cores and 1 threads.
    Which one is the smarter buy today, not just the cheaper CPU?
    Opteron 154 is still the much better call for a fresh build. Opteron 154 comes in at an unclear MSRP at unclear MSRP versus $354 MSRP, and it still gives you 1.1% higher PassMark. Athlon 64 3800+ only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2004 platform. Even with 100.0% better value on paper (1.8 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on 939.
    Which one is more future-proof for 2026 and beyond?
    Opteron 154 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2005 vs 2004) and 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 64 3800+ vs Opteron 154 Technical Specifications

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

    AMD

    Athlon 64 3800+

    The Athlon 64 3800+ is manufactured by AMD. It was released in Junho 2004 (21 years ago). It is based on the Venice (2004−2005) architecture. It features 1 cores and 1 threads. Max frequency: 2.4 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 130 nm process technology. Socket: 939. Thermal design power (TDP): 89 Watt. Memory support: DDR1. Passmark benchmark score: 648 points. Launch price was $160.

    AMD

    Opteron 154

    The Opteron 154 is manufactured by AMD. It was released in 2015-01-01. It is based on the Venus (2004−2005) 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. Built on 90 nm process technology. Socket: 939. Thermal design power (TDP): 104 Watt. Memory support: DDR1. Passmark benchmark score: 655 points. Launch price was $800.

    Processing Power

    Both the Athlon 64 3800+ and Opteron 154 share an identical 1-core/1-thread configuration. Boost clocks reach 2.4 GHz on the Athlon 64 3800+ versus 2.8 GHz on the Opteron 154 — a 15.4% clock advantage for the Opteron 154. The Athlon 64 3800+ uses the Venice (2004−2005) architecture (130 nm), while the Opteron 154 uses Venus (2004−2005) (90 nm). In PassMark, the Athlon 64 3800+ scores 648 against the Opteron 154's 655 — a 1.1% lead for the Opteron 154. Both processors carry 0 kB of L3 cache.

    FeatureAthlon 64 3800+Opteron 154
    Cores / Threads
    1 / 1
    1 / 1
    Boost Clock
    2.4 GHz
    2.8 GHz+17%
    Base Clock
    2.8 GHz
    L3 Cache
    0 kB
    0 kB
    L2 Cache
    512 kB
    1 MB+100%
    Process
    130 nm
    90 nm-31%
    Architecture
    Venice (2004−2005)
    Venus (2004−2005)
    PassMark
    648
    655+1%
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    Memory & Platform

    Both processors use the 939 socket with PCIe 1.1.

    FeatureAthlon 64 3800+Opteron 154
    Socket
    939
    939
    PCIe Generation
    PCIe 1.1
    PCIe 2.0+82%
    Max RAM Speed
    DDR2-800
    Max RAM Capacity
    16 GB
    RAM Channels
    2
    ECC Support
    No
    PCIe Lanes
    0