
Pentium 4405Y

Athlon II Neo K125
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 Pentium 4405Y is positioned at rank 910 and the Athlon II Neo K125 is on rank 982, so the Pentium 4405Y offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium 4405Y
Performance Per Dollar Athlon II Neo K125
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium 4405Y | Athlon II Neo K125 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($100) |
| Longevity | 🛑 Legacy (NetBurst (2000−2006) / 14 nm) | 🛑 Legacy (Geneva (2010) / 45 nm) |
💎 Value Proposition
| Insight | Pentium 4405Y | Athlon II Neo K125 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($100) |
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 Pentium 4405Y and Athlon II Neo K125

Pentium 4405Y
The Pentium 4405Y is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the NetBurst (2000−2006) architecture. It features 2 cores and 4 threads. Base frequency is 1.5 GHz, with boost up to 1.5 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: FCBGA1515. Thermal design power (TDP): 6 Watt. Memory support: DDR3. Passmark benchmark score: 1,490 points. Launch price was $161.

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.
Processing Power
The Pentium 4405Y packs 2 cores / 4 threads, while the Athlon II Neo K125 offers 1 cores / 1 threads — the Pentium 4405Y has 1 more core. Boost clocks reach 1.5 GHz on the Pentium 4405Y versus 1.7 GHz on the Athlon II Neo K125 — a 12.5% clock advantage for the Athlon II Neo K125. The Pentium 4405Y uses the NetBurst (2000−2006) architecture (14 nm), while the Athlon II Neo K125 uses Geneva (2010) (45 nm). In PassMark, the Pentium 4405Y scores 1,490 against the Athlon II Neo K125's 1,491 — a 0.1% lead for the Athlon II Neo K125.
| Feature | Pentium 4405Y | Athlon II Neo K125 |
|---|---|---|
| Cores / Threads | 2 / 4+100% | 1 / 1 |
| Boost Clock | 1.5 GHz | 1.7 GHz+13% |
| Base Clock | 1.5 GHz | — |
| L3 Cache | 2 MB | — |
| L2 Cache | 512 kB | 1 MB+100% |
| Process | 14 nm-69% | 45 nm |
| Architecture | NetBurst (2000−2006) | Geneva (2010) |
| PassMark | 1,490 | 1,491 |
Memory & Platform
The Pentium 4405Y uses the FCBGA1515 socket (PCIe 3.0), while the Athlon II Neo K125 uses S1 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium 4405Y | Athlon II Neo K125 |
|---|---|---|
| Socket | FCBGA1515 | S1 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | — | DDR3-800 |
| Max RAM Capacity | — | 4 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 0 |
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