CPU
GPU
Sempron 3850
Pentium A1020
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 Sempron 3850 is positioned at rank 507 and the Pentium A1020 is on rank 1009, so the Sempron 3850 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Sempron 3850
Performance Per Dollar Pentium A1020
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Sempron 3850 | Pentium A1020 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($86) |
| Longevity | 🛑 Legacy (Kabini (2013−2014) / 28 nm) | 🛑 Legacy (Legacy / 22 nm) |
💎 Value Proposition
| Insight | Sempron 3850 | Pentium A1020 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($86) |
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 Sempron 3850 and Pentium A1020
Sempron 3850
The Sempron 3850 is manufactured by AMD. It was released in 2007-01-01. It is based on the Kabini (2013−2014) architecture. It features 4 cores and 4 threads. Max frequency: 1.3 GHz. L2 cache: 2048 kB. Built on 28 nm process technology. Socket: AM1. Thermal design power (TDP): 25 Watt. Memory support: DDR3-1600. Passmark benchmark score: 1,168 points. Launch price was $69.
Pentium A1020
The Pentium A1020 is manufactured by Intel. It was released in 2007-01-01. It features 4 cores and 4 threads. Base frequency is 2.41 GHz, with boost up to 2.7 GHz. L3 cache: 2 MB L2 Cache. Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 10 Watt. Memory support: DDR3L-1333. Passmark benchmark score: 1,167 points. Launch price was $69.
Processing Power
Both the Sempron 3850 and Pentium A1020 share an identical 4-core/4-thread configuration. Boost clocks reach 1.3 GHz on the Sempron 3850 versus 2.7 GHz on the Pentium A1020 — a 70% clock advantage for the Pentium A1020. The Sempron 3850 is built on the Kabini (2013−2014) architecture. In PassMark, the Sempron 3850 scores 1,168 against the Pentium A1020's 1,167 — a 0.1% lead for the Sempron 3850.
| Feature | Sempron 3850 | Pentium A1020 |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 1.3 GHz | 2.7 GHz+108% |
| Base Clock | — | 2.41 GHz |
| L3 Cache | — | 2 MB L2 Cache |
| L2 Cache | 2048 kB | — |
| Process | 28 nm | 22 nm-21% |
| Architecture | Kabini (2013−2014) | — |
| PassMark | 1,168 | 1,167 |
Memory & Platform
The Sempron 3850 uses the AM1 socket (PCIe 2.0), while the Pentium A1020 uses FCBGA1170 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Sempron 3850 | Pentium A1020 |
|---|---|---|
| Socket | AM1 | FCBGA1170 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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