
Athlon 64 FX-51

Opteron 150
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.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Civilization VI

Cyberpunk 2077
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
2003Why buy it
- β +5.1% higher PassMark.
Trade-offs
- βLaunch MSRP is still $733 MSRP, while Opteron 150 mostly shows up through inconsistent older-market listings.
Opteron 150
2005Why buy it
Trade-offs
- βLower PassMark (585 vs 615).
Quick Answers
So, is Athlon 64 FX-51 better than Opteron 150?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Athlon 64 FX-51 vs Opteron 150 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 (2003β2005) 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 150
The Opteron 150 is manufactured by AMD. It was released in 2015-01-01. It is based on the Venus (2004β2005) 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 (2003β2005) architecture (130 nm), while the Opteron 150 uses Venus (2004β2005) (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.
| Feature | Athlon 64 FX-51 | Opteron 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 (2003β2005) | Venus (2004β2005) |
| 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.
| Feature | Athlon 64 FX-51 | Opteron 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 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.















