Athlon 64 FX-51 vs Opteron 150

AMD

Athlon 64 FX-51

1 Cores1 Thrd89 WWMax: 2.2 GHz2003
VS
AMD

Opteron 150

1 Cores1 Thrd85 WWMax: 2.4 GHz2005

Athlon 64 FX-51 vs Opteron 150 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 FX-51 vs Opteron 150 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 FX-51 vs Opteron 150: 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 FX-51

2003

Why buy it

  • βœ…+5.1% higher PassMark.

Trade-offs

  • ❌Launch MSRP is still $733 MSRP, while Opteron 150 mostly shows up through inconsistent older-market listings.

Opteron 150

2005

Why buy it

    Trade-offs

    • ❌Lower PassMark (585 vs 615).

    Quick Answers

    So, is Athlon 64 FX-51 better than Opteron 150?
    Not really, because they are built for different jobs. Opteron 150 makes more sense for workstation-style multi-core throughput, while Athlon 64 FX-51 is the more practical desktop choice for gaming, platform cost, and everyday use.
    Which one is better for streaming, content creation, and heavy multitasking?
    For streaming, content creation, and heavier multitasking, Athlon 64 FX-51 is the stronger fit. You are getting 5.1% better PassMark, backed by 1 cores and 1 threads.
    Which one is the smarter buy today, not just the cheaper CPU?
    Athlon 64 FX-51 is the better buy right now. Athlon 64 FX-51 comes in at an unclear MSRP at $733 MSRP versus unclear MSRP, and it still gives you 5.1% better PassMark. The compromise is that Opteron 150 is still the better pure gaming CPU with a 0.2% average FPS lead across 39 shared CPU game tests in our data. It is also 100.0% better value on MSRP (0.8 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
    Which one is more future-proof for 2026 and beyond?
    Opteron 150 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2005 vs 2003). That makes it the safer long-term bet.

    Athlon 64 FX-51 vs Opteron 150 Technical Specifications

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

    AMD

    Athlon 64 FX-51

    The Athlon 64 FX-51 is manufactured by AMD. It was released in 2009-01-01. It is based on the SledgeHammer (2003βˆ’2005) architecture. It features 1 cores and 1 threads. Max frequency: 2.2 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 130 nm process technology. Socket: 940. Thermal design power (TDP): 89 Watt. Passmark benchmark score: 615 points. Launch price was $149.

    AMD

    Opteron 150

    The Opteron 150 is manufactured by AMD. It was released in 2015-01-01. It is based on the Venus (2004βˆ’2005) architecture. It features 1 cores and 1 threads. Base frequency is 2.4 GHz, with boost up to 2.4 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 130 nm process technology. Socket: 939. Thermal design power (TDP): 85 Watt. Memory support: DDR1. Passmark benchmark score: 585 points. Launch price was $800.

    ⚑

    Processing Power

    Both the Athlon 64 FX-51 and Opteron 150 share an identical 1-core/1-thread configuration. Boost clocks reach 2.2 GHz on the Athlon 64 FX-51 versus 2.4 GHz on the Opteron 150 β€” a 8.7% clock advantage for the Opteron 150. The Athlon 64 FX-51 uses the SledgeHammer (2003βˆ’2005) architecture (130 nm), while the Opteron 150 uses Venus (2004βˆ’2005) (130 nm). In PassMark, the Athlon 64 FX-51 scores 615 against the Opteron 150's 585 β€” a 5% lead for the Athlon 64 FX-51. Both processors carry 0 kB of L3 cache.

    FeatureAthlon 64 FX-51Opteron 150
    Cores / Threads
    1 / 1
    1 / 1
    Boost Clock
    2.2 GHz
    2.4 GHz+9%
    Base Clock
    β€”
    2.4 GHz
    L3 Cache
    0 kB
    0 kB
    L2 Cache
    1 MB
    1 MB
    Process
    130 nm
    130 nm
    Architecture
    SledgeHammer (2003βˆ’2005)
    Venus (2004βˆ’2005)
    PassMark
    615+5%
    585
    🧠

    Memory & Platform

    The Athlon 64 FX-51 uses the 940 socket (PCIe 1.1), while the Opteron 150 uses 939 (PCIe 2.0) β€” making them incompatible on the same motherboard.

    FeatureAthlon 64 FX-51Opteron 150
    Socket
    940
    939
    PCIe Generation
    PCIe 1.1
    PCIe 2.0+82%
    Max RAM Speed
    DDR-400
    β€”
    Max RAM Capacity
    4 GB
    β€”
    RAM Channels
    2
    β€”
    ECC Support
    Yes
    β€”
    PCIe Lanes
    0
    β€”