Athlon 64 FX-51 vs Sempron 150
Athlon 64 FX-51
Sempron 150
Performance Spectrum - CPU
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.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money. The Athlon 64 FX-51 is positioned at rank 1133 and the Sempron 150 is on rank 810, so the Sempron 150 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon 64 FX-51
Performance Per Dollar Sempron 150
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon 64 FX-51 | Sempron 150 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($733) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (SledgeHammer (2003−2005) / 130 nm) | 🛑 Legacy (Sargas (2009−2011) / 45 nm) |
💎 Value Proposition
| Insight | Athlon 64 FX-51 | Sempron 150 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($733) | ✅ More affordable ($0) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Athlon 64 FX-51 and Sempron 150
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.
Sempron 150
The Sempron 150 is manufactured by AMD. It was released in 7 December 2010 (14 years ago). It is based on the Sargas (2009−2011) architecture. It features 1 cores and 1 threads. Base frequency is 2.9 GHz, with boost up to 2.9 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 579 points. Launch price was $73.
Processing Power
Both the Athlon 64 FX-51 and Sempron 150 share an identical 1-core/1-thread configuration. Boost clocks reach 2.2 GHz on the Athlon 64 FX-51 versus 2.9 GHz on the Sempron 150 — a 27.5% clock advantage for the Sempron 150. The Athlon 64 FX-51 uses the SledgeHammer (2003−2005) architecture (130 nm), while the Sempron 150 uses Sargas (2009−2011) (45 nm). In PassMark, the Athlon 64 FX-51 scores 615 against the Sempron 150's 579 — a 6% lead for the Athlon 64 FX-51. Both processors carry 0 kB of L3 cache.
| Feature | Athlon 64 FX-51 | Sempron 150 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 2.2 GHz | 2.9 GHz+32% |
| Base Clock | — | 2.9 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 1 MB | 1 MB (per core) |
| Process | 130 nm | 45 nm-65% |
| Architecture | SledgeHammer (2003−2005) | Sargas (2009−2011) |
| PassMark | 615+6% | 579 |
Memory & Platform
The Athlon 64 FX-51 uses the 940 socket (PCIe 1.1), while the Sempron 150 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Athlon 64 FX-51 | Sempron 150 |
|---|---|---|
| Socket | 940 | AM3 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR-400 | — |
| Max RAM Capacity | 4 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 0 | — |
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