
Pentium 987 vs Athlon II Neo K125

Pentium 987

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 987 is positioned at rank 1052 and the Athlon II Neo K125 is on rank 982, so the Athlon II Neo K125 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium 987
Performance Per Dollar Athlon II Neo K125
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium 987 | Athlon II Neo K125 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($20) | ⚠️ Higher cost ($100) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Geneva (2010) / 45 nm) |
💎 Value Proposition
| Insight | Pentium 987 | Athlon II Neo K125 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+399%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($20) | ⚠️ 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 987 and Athlon II Neo K125

Pentium 987
The Pentium 987 is manufactured by Intel. It was released in 1 February 2013 (12 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 1.5 GHz, with boost up to 1.5 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: BGA1023. Thermal design power (TDP): 17 Watt. Memory support: DDR3. Passmark benchmark score: 1,487 points. Launch price was $134.

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 987 packs 2 cores / 2 threads, while the Athlon II Neo K125 offers 1 cores / 1 threads — the Pentium 987 has 1 more core. Boost clocks reach 1.5 GHz on the Pentium 987 versus 1.7 GHz on the Athlon II Neo K125 — a 12.5% clock advantage for the Athlon II Neo K125. The Pentium 987 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Athlon II Neo K125 uses Geneva (2010) (45 nm). In PassMark, the Pentium 987 scores 1,487 against the Athlon II Neo K125's 1,491 — a 0.3% lead for the Athlon II Neo K125.
| Feature | Pentium 987 | Athlon II Neo K125 |
|---|---|---|
| Cores / Threads | 2 / 2+100% | 1 / 1 |
| Boost Clock | 1.5 GHz | 1.7 GHz+13% |
| Base Clock | 1.5 GHz | — |
| L3 Cache | 2 MB (total) | — |
| L2 Cache | 256K (per core) | 1 MB+300% |
| Process | 32 nm-29% | 45 nm |
| Architecture | Sandy Bridge (2011−2013) | Geneva (2010) |
| PassMark | 1,487 | 1,491 |
Memory & Platform
The Pentium 987 uses the BGA1023 socket (PCIe 2.0), while the Athlon II Neo K125 uses S1 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium 987 | Athlon II Neo K125 |
|---|---|---|
| Socket | BGA1023 | S1 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | — | DDR3-800 |
| Max RAM Capacity | — | 4 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 0 |
Value Analysis
The Pentium 987 launched at $134 MSRP, while the Athlon II Neo K125 debuted at $100. At current prices ($20 vs $100), the Pentium 987 is $80 cheaper. In terms of value (PassMark points per dollar), the Pentium 987 delivers 74.3 pts/$ vs 14.9 pts/$ for the Athlon II Neo K125 — making the Pentium 987 the 133.2% better value option.
| Feature | Pentium 987 | Athlon II Neo K125 |
|---|---|---|
| MSRP | $134 | $100-25% |
| Avg Price (30d) | $20-80% | $100 |
| Performance per Dollar | 74.3+399% | 14.9 |
| Release Date | 2013 | 2010 |
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