
A9-9420 vs Celeron N4020

A9-9420

Celeron N4020
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 A9-9420 is positioned at rank 1074 and the Celeron N4020 is on rank 993, so the Celeron N4020 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar A9-9420
Performance Per Dollar Celeron N4020
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | A9-9420 | Celeron N4020 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($30) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Stoney Ridge (2016−2019) / 28 nm) | ✨ Modern (Gemini Lake Refresh (2019) / 14 nm) |
💎 Value Proposition
| Insight | A9-9420 | Celeron N4020 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($30) | ✅ 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 A9-9420 and Celeron N4020

A9-9420
The A9-9420 is manufactured by AMD. It was released in 31 May 2016 (9 years ago). It is based on the Stoney Ridge (2016−2019) architecture. It features 2 cores and 2 threads. Base frequency is 3 GHz, with boost up to 3.6 GHz. L3 cache: 0 kB. L2 cache: 1 MB (total). Built on 28 nm process technology. Socket: FT4. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 1,538 points. Launch price was $69.

Celeron N4020
The Celeron N4020 is manufactured by Intel. It was released in 2007-01-01. It is based on the Gemini Lake Refresh (2019) architecture. It features 2 cores and 2 threads. Base frequency is 1.1 GHz, with boost up to 2.8 GHz. L3 cache: 4 MB. L2 cache: 4 MB. Built on 14 nm process technology. Socket: FCBGA1090. Thermal design power (TDP): 6 Watt. Memory support: DDR4. Passmark benchmark score: 1,535 points. Launch price was $69.
Processing Power
Both the A9-9420 and Celeron N4020 share an identical 2-core/2-thread configuration. Boost clocks reach 3.6 GHz on the A9-9420 versus 2.8 GHz on the Celeron N4020 — a 25% clock advantage for the A9-9420 (base: 3 GHz vs 1.1 GHz). The A9-9420 uses the Stoney Ridge (2016−2019) architecture (28 nm), while the Celeron N4020 uses Gemini Lake Refresh (2019) (14 nm). In PassMark, the A9-9420 scores 1,538 against the Celeron N4020's 1,535 — a 0.2% lead for the A9-9420. L3 cache: 0 kB on the A9-9420 vs 4 MB on the Celeron N4020.
| Feature | A9-9420 | Celeron N4020 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 3.6 GHz+29% | 2.8 GHz |
| Base Clock | 3 GHz+173% | 1.1 GHz |
| L3 Cache | 0 kB | 4 MB |
| L2 Cache | 1 MB (total) | 4 MB+300% |
| Process | 28 nm | 14 nm-50% |
| Architecture | Stoney Ridge (2016−2019) | Gemini Lake Refresh (2019) |
| PassMark | 1,538 | 1,535 |
| Geekbench 6 Single | 497 | — |
| Geekbench 6 Multi | 950 | — |
Memory & Platform
The A9-9420 uses the FT4 socket (PCIe 3.0), while the Celeron N4020 uses FCBGA1090 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | A9-9420 | Celeron N4020 |
|---|---|---|
| Socket | FT4 | FCBGA1090 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2133 | — |
| Max RAM Capacity | 8 GB | — |
| RAM Channels | 1 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 8 | — |
Advanced Features
Virtualization: AMD-V (A9-9420) / not specified (Celeron N4020). The A9-9420 includes integrated graphics (Radeon R5), while the Celeron N4020 requires a dedicated GPU. Primary use case: A9-9420 targets Budget Laptop. Direct competitor: A9-9420 rivals Pentium N4200.
| Feature | A9-9420 | Celeron N4020 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Radeon R5 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | AMD-V | — |
| Target Use | Budget Laptop | — |
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