Athlon II Neo K125 vs Athlon 64 X2 5200+
Athlon II Neo K125
Athlon 64 X2 5200+
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 II Neo K125 is positioned at rank 982 and the Athlon 64 X2 5200+ is on rank 1082, so the Athlon II Neo K125 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon II Neo K125
Performance Per Dollar Athlon 64 X2 5200+
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II Neo K125 | Athlon 64 X2 5200+ |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($100) | ✅ More affordable ($15) |
| Longevity | 🛑 Legacy (Geneva (2010) / 45 nm) | 🛑 Legacy (Windsor (2006−2007) / 90 nm) |
💎 Value Proposition
| Insight | Athlon II Neo K125 | Athlon 64 X2 5200+ |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+573%) |
| Upfront Cost | ⚠️ Higher cost ($100) | ✅ More affordable ($15) |
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 II Neo K125 and Athlon 64 X2 5200+
Athlon II Neo K125
The Athlon II Neo K125 is manufactured by AMD. It was released in 2009-01-01. It is based on the Geneva (2010) architecture. It features 1 cores and 1 threads. Max frequency: 1.7 GHz. L2 cache: 1 MB. Built on 45 nm process technology. Socket: S1. Thermal design power (TDP): 1 MB. Memory support: DDR3. Passmark benchmark score: 1,491 points. Launch price was $149.
Athlon 64 X2 5200+
The Athlon 64 X2 5200+ is manufactured by AMD. It was released in 2009-01-01. It is based on the Windsor (2006−2007) architecture. It features 2 cores and 2 threads. Max frequency: 2.7 GHz. L3 cache: 0 kB. L2 cache: 512K. Built on 90 nm process technology. Socket: AM2. Thermal design power (TDP): 89 Watt. Passmark benchmark score: 1,505 points. Launch price was $149.
Processing Power
The Athlon II Neo K125 packs 1 cores / 1 threads, while the Athlon 64 X2 5200+ offers 2 cores / 2 threads — the Athlon 64 X2 5200+ has 1 more core. Boost clocks reach 1.7 GHz on the Athlon II Neo K125 versus 2.7 GHz on the Athlon 64 X2 5200+ — a 45.5% clock advantage for the Athlon 64 X2 5200+. The Athlon II Neo K125 uses the Geneva (2010) architecture (45 nm), while the Athlon 64 X2 5200+ uses Windsor (2006−2007) (90 nm). In PassMark, the Athlon II Neo K125 scores 1,491 against the Athlon 64 X2 5200+'s 1,505 — a 0.9% lead for the Athlon 64 X2 5200+.
| Feature | Athlon II Neo K125 | Athlon 64 X2 5200+ |
|---|---|---|
| Cores / Threads | 1 / 1 | 2 / 2+100% |
| Boost Clock | 1.7 GHz | 2.7 GHz+59% |
| L3 Cache | — | 0 kB |
| L2 Cache | 1 MB+100% | 512K |
| Process | 45 nm-50% | 90 nm |
| Architecture | Geneva (2010) | Windsor (2006−2007) |
| PassMark | 1,491 | 1,505 |
Memory & Platform
The Athlon II Neo K125 uses the S1 socket (PCIe 2.0), while the Athlon 64 X2 5200+ uses AM2 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-800 on the Athlon II Neo K125 versus DDR2-800 on the Athlon 64 X2 5200+ — the Athlon II Neo K125 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Athlon 64 X2 5200+ supports up to 16 GB of RAM compared to 4 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 0 PCIe lanes. Chipset compatibility: AMD ASB2 (Athlon II Neo K125) and AMD AM2 (Athlon 64 X2 5200+).
| Feature | Athlon II Neo K125 | Athlon 64 X2 5200+ |
|---|---|---|
| Socket | S1 | AM2 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR3-800+50% | DDR2-800 |
| Max RAM Capacity | 4 GB | 16 GB+300% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 0 |
Value Analysis
The Athlon II Neo K125 launched at $100 MSRP, while the Athlon 64 X2 5200+ debuted at $420. At current prices ($100 vs $15), the Athlon 64 X2 5200+ is $85 cheaper. In terms of value (PassMark points per dollar), the Athlon II Neo K125 delivers 14.9 pts/$ vs 100.3 pts/$ for the Athlon 64 X2 5200+ — making the Athlon 64 X2 5200+ the 148.2% better value option.
| Feature | Athlon II Neo K125 | Athlon 64 X2 5200+ |
|---|---|---|
| MSRP | $100-76% | $420 |
| Avg Price (30d) | $100 | $15-85% |
| Performance per Dollar | 14.9 | 100.3+573% |
| Release Date | 2010 | 2006 |
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