CPU
GPU
Pentium 2129Y
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 2129Y is positioned at rank 590 and the Athlon II Neo K125 is on rank 982, 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 Pentium 2129Y
Performance Per Dollar Athlon II Neo K125
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium 2129Y | Athlon II Neo K125 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($100) |
| Longevity | 🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm) | 🛑 Legacy (Geneva (2010) / 45 nm) |
💎 Value Proposition
| Insight | Pentium 2129Y | 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 2129Y and Athlon II Neo K125
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.
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 2129Y packs 2 cores / 2 threads, while the Athlon II Neo K125 offers 1 cores / 1 threads — the Pentium 2129Y has 1 more core. Boost clocks reach 1.1 GHz on the Pentium 2129Y versus 1.7 GHz on the Athlon II Neo K125 — a 42.9% clock advantage for the Athlon II Neo K125. The Pentium 2129Y uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Athlon II Neo K125 uses Geneva (2010) (45 nm). In PassMark, the Pentium 2129Y scores 1,502 against the Athlon II Neo K125's 1,491 — a 0.7% lead for the Pentium 2129Y.
| Feature | Pentium 2129Y | Athlon II Neo K125 |
|---|---|---|
| Cores / Threads | 2 / 2+100% | 1 / 1 |
| Boost Clock | 1.1 GHz | 1.7 GHz+55% |
| Base Clock | 1.1 GHz | — |
| L3 Cache | 2 MB (total) | — |
| L2 Cache | 256K (per core) | 1 MB+300% |
| Process | 22 nm-51% | 45 nm |
| Architecture | Ivy Bridge (2012−2013) | Geneva (2010) |
| PassMark | 1,502 | 1,491 |
Memory & Platform
The Pentium 2129Y uses the BGA1023 socket (PCIe 3.0), while the Athlon II Neo K125 uses S1 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium 2129Y | Athlon II Neo K125 |
|---|---|---|
| Socket | BGA1023 | 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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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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