Athlon II Neo K125
Athlon II X3 415e
Athlon II Neo K125 vs Athlon II X3 415e 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 II Neo K125 vs Athlon II X3 415e 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
Baldur's Gate 3
Call of Duty: Black Ops 6
Athlon II Neo K125 vs Athlon II X3 415e: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Athlon II Neo K125
2010Why buy it
- ✅+0.7% higher PassMark.
- ✅Draws 1W instead of 45W, a 44W reduction.
Trade-offs
- ❌Lower PassMark per dollar, at 14.9 vs 19.7 PassMark/$ ($100 MSRP vs $75 MSRP).
Athlon II X3 415e
2010Why buy it
- ✅Costs $25 less on MSRP ($75 MSRP vs $100 MSRP).
- ✅Delivers 32.4% more PassMark for each dollar spent, at 19.7 vs 14.9 PassMark/$ ($75 MSRP vs $100 MSRP).
Trade-offs
- ❌Lower PassMark (1,481 vs 1,491).
- ❌4400% higher power demand at 45W vs 1W.
Quick Answers
So, is Athlon II Neo K125 better than Athlon II X3 415e?
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 II Neo K125 vs Athlon II X3 415e Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
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. Maximum memory speed reaches DDR3-800 on the Athlon II Neo K125 versus DDR3-1333 on the Athlon II X3 415e — the Athlon II X3 415e supports 66.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Athlon II X3 415e supports up to 32 GB of RAM compared to 4 GB — 700% 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+67% |
| Max RAM Capacity | 4 GB | 32 GB+700% |
| RAM Channels | 2 | 2 |
| ECC Support | No | No |
| PCIe Lanes | 0 | 0 |
Value Analysis
At launch, the Athlon II Neo K125 was priced at $100, while the Athlon II X3 415e came in at $75. On launch pricing ($100 vs $75), Athlon II X3 415e was $25 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon II Neo K125 delivers 14.9 pts/$ vs 19.7 pts/$ for the Athlon II X3 415e — making the Athlon II X3 415e the 27.9% better value option.
| Feature | Athlon II Neo K125 | Athlon II X3 415e |
|---|---|---|
| MSRP | $100 | $75-25% |
| Performance per Dollar | 14.9 | 19.7+32% |
| Release Date | 2010 | 2010 |
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