Athlon II Neo K125 vs Pentium 2129Y
Athlon II Neo K125
Pentium 2129Y
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 Pentium 2129Y is on rank 590, so the Pentium 2129Y 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 Pentium 2129Y
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II Neo K125 | Pentium 2129Y |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($100) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Geneva (2010) / 45 nm) | 🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm) |
💎 Value Proposition
| Insight | Athlon II Neo K125 | Pentium 2129Y |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($100) | ✅ 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 II Neo K125 and Pentium 2129Y
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.
Pentium 2129Y
The Pentium 2129Y is manufactured by Intel. It was released in 1 September 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 2 threads. Base frequency is 1.1 GHz, with boost up to 1.1 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: BGA1023. Thermal design power (TDP): 10 Watt. Memory support: DDR3. Passmark benchmark score: 1,502 points. Launch price was $150.
Processing Power
The Athlon II Neo K125 packs 1 cores / 1 threads, while the Pentium 2129Y offers 2 cores / 2 threads — the Pentium 2129Y has 1 more core. Boost clocks reach 1.7 GHz on the Athlon II Neo K125 versus 1.1 GHz on the Pentium 2129Y — a 42.9% clock advantage for the Athlon II Neo K125. The Athlon II Neo K125 uses the Geneva (2010) architecture (45 nm), while the Pentium 2129Y uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Athlon II Neo K125 scores 1,491 against the Pentium 2129Y's 1,502 — a 0.7% lead for the Pentium 2129Y.
| Feature | Athlon II Neo K125 | Pentium 2129Y |
|---|---|---|
| Cores / Threads | 1 / 1 | 2 / 2+100% |
| Boost Clock | 1.7 GHz+55% | 1.1 GHz |
| Base Clock | — | 1.1 GHz |
| L3 Cache | — | 2 MB (total) |
| L2 Cache | 1 MB+300% | 256K (per core) |
| Process | 45 nm | 22 nm-51% |
| Architecture | Geneva (2010) | Ivy Bridge (2012−2013) |
| PassMark | 1,491 | 1,502 |
Memory & Platform
The Athlon II Neo K125 uses the S1 socket (PCIe 2.0), while the Pentium 2129Y uses BGA1023 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Athlon II Neo K125 | Pentium 2129Y |
|---|---|---|
| Socket | S1 | BGA1023 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-800 | — |
| Max RAM Capacity | 4 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 0 | — |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Athlon II Neo K125 and Pentium 2129Y
