Athlon 64 FX-51 vs Opteron 250

Athlon 64 FX-51 vs Opteron 250 Performance Spectrum

Athlon 64 FX-51

1 / 1

615

0.0%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Opteron 250

1 / 1

620

+0.8%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen 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.

Athlon 64 FX-51 vs Opteron 250 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 250: 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

Trade-offs

❌Worse for gaming: lower average FPS than Opteron 250 across 46 shared CPU benchmark tests.
❌Lower PassMark (615 vs 620).
❌Launch MSRP is still $733 MSRP, while Opteron 250 mostly shows up through inconsistent older-market listings.

Opteron 250

2004

Why buy it

✅Better for gaming: +6.6% higher average FPS across 46 shared CPU benchmark tests.

Trade-offs

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

Quick Answers

So, is Opteron 250 better than Athlon 64 FX-51?

Not really, because they are built for different jobs. Opteron 250 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 gaming?

If gaming is the priority, Opteron 250 is the better pick. According to our tests, it delivers 6.6% more average FPS across 46 shared CPU game tests.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Opteron 250 is the stronger fit. You are getting 0.8% better PassMark, backed by 1 cores and 1 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Opteron 250 is still the much better call for a fresh build. Opteron 250 comes in at an unclear MSRP at unclear MSRP versus $733 MSRP, and it still gives you a 6.6% average FPS lead across 46 shared CPU game tests in our data. Athlon 64 FX-51 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2003 platform. Even with 100.0% better value on paper (0.8 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on 940.

Which one is more future-proof for 2026 and beyond?

Opteron 250 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2004 vs 2003) 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 FX-51 vs Opteron 250 Technical Specifications

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

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 (2003−2005) 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.

Opteron 250

The Opteron 250 is manufactured by AMD. It was released in Dezembro 2004 (21 years ago). It is based on the SledgeHammer (2003−2005) architecture. It features 1 cores and 1 threads. Max frequency: 2.4 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: 620 points. Launch price was $12.

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Processing Power

Both the Athlon 64 FX-51 and Opteron 250 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 250 — a 8.7% clock advantage for the Opteron 250. Both are built on the SledgeHammer (2003−2005) architecture using a 130 nm process. In PassMark, the Athlon 64 FX-51 scores 615 against the Opteron 250's 620 — a 0.8% lead for the Opteron 250. Both processors carry 0 kB of L3 cache.

Feature	Athlon 64 FX-51	Opteron 250
Cores / Threads	1 / 1	1 / 1
Boost Clock	2.2 GHz	2.4 GHz+9%
L3 Cache	0 kB	0 kB
L2 Cache	1 MB	1 MB
Process	130 nm	130 nm
Architecture	SledgeHammer (2003−2005)	SledgeHammer (2003−2005)
PassMark	615	620