
Athlon II Neo K125

Athlon II X3 415e
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 II X3 415e is on rank 798, so the Athlon II X3 415e 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 II X3 415e
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II Neo K125 | Athlon II X3 415e |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($100) | ✅ More affordable ($15) |
| Longevity | 🛑 Legacy (Geneva (2010) / 45 nm) | 🛑 Legacy (Rana (2009−2011) / 45 nm) |
💎 Value Proposition
| Insight | Athlon II Neo K125 | Athlon II X3 415e |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+562%) |
| 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 II X3 415e

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 II X3 415e
The Athlon II X3 415e is manufactured by AMD. It was released in 11 May 2010 (15 years ago). It is based on the Rana (2009−2011) architecture. It features 3 cores and 3 threads. Base frequency is 2.5 GHz, with boost up to 2.5 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 1,481 points. Launch price was $75.
Processing Power
The Athlon II Neo K125 packs 1 cores / 1 threads, while the Athlon II X3 415e offers 3 cores / 3 threads — the Athlon II X3 415e has 2 more cores. Boost clocks reach 1.7 GHz on the Athlon II Neo K125 versus 2.5 GHz on the Athlon II X3 415e — a 38.1% clock advantage for the Athlon II X3 415e. The Athlon II Neo K125 uses the Geneva (2010) architecture (45 nm), while the Athlon II X3 415e uses Rana (2009−2011) (45 nm). In PassMark, the Athlon II Neo K125 scores 1,491 against the Athlon II X3 415e's 1,481 — a 0.7% lead for the Athlon II Neo K125.
| Feature | Athlon II Neo K125 | Athlon II X3 415e |
|---|---|---|
| Cores / Threads | 1 / 1 | 3 / 3+200% |
| Boost Clock | 1.7 GHz | 2.5 GHz+47% |
| Base Clock | — | 2.5 GHz |
| L3 Cache | — | 0 kB |
| L2 Cache | 1 MB+100% | 512 kB (per core) |
| Process | 45 nm | 45 nm |
| Architecture | Geneva (2010) | Rana (2009−2011) |
| PassMark | 1,491 | 1,481 |
Memory & Platform
The Athlon II Neo K125 uses the S1 socket (PCIe 2.0), while the Athlon II X3 415e uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-800 memory speed. The Athlon II X3 415e supports up to 32 GB of RAM compared to 4 GB — 155.6% 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 AM3 (Athlon II X3 415e).
| Feature | Athlon II Neo K125 | Athlon II X3 415e |
|---|---|---|
| Socket | S1 | AM3 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-800 | DDR3-1333 |
| Max RAM Capacity | 4 GB | 32 GB+700% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 0 |
Value Analysis
The Athlon II Neo K125 launched at $100 MSRP, while the Athlon II X3 415e debuted at $75. At current prices ($100 vs $15), the Athlon II X3 415e is $85 cheaper. In terms of value (PassMark points per dollar), the Athlon II Neo K125 delivers 14.9 pts/$ vs 98.7 pts/$ for the Athlon II X3 415e — making the Athlon II X3 415e the 147.5% better value option.
| Feature | Athlon II Neo K125 | Athlon II X3 415e |
|---|---|---|
| MSRP | $100 | $75-25% |
| Avg Price (30d) | $100 | $15-85% |
| Performance per Dollar | 14.9 | 98.7+562% |
| Release Date | 2010 | 2010 |
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