
Celeron J4005 vs A9-9420

Celeron J4005

A9-9420
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 Celeron J4005 is positioned at rank 417 and the A9-9420 is on rank 1074, so the Celeron J4005 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron J4005
Performance Per Dollar A9-9420
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron J4005 | A9-9420 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($30) |
| Longevity | ✨ Modern (Goldmont Plus (2017) / 14 nm) | 🛑 Legacy (Stoney Ridge (2016−2019) / 28 nm) |
💎 Value Proposition
| Insight | Celeron J4005 | A9-9420 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($30) |
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 Celeron J4005 and A9-9420

Celeron J4005
The Celeron J4005 is manufactured by Intel. It was released in 11 December 2017 (7 years ago). It is based on the Goldmont Plus (2017) architecture. It features 2 cores and 2 threads. Base frequency is 2 GHz, with boost up to 2.7 GHz. L3 cache: 4 MB. L2 cache: 4 MB (total). Built on 14 nm process technology. Socket: FCBGA1090. Thermal design power (TDP): 10 Watt. Memory support: DDR4. Passmark benchmark score: 1,543 points. Launch price was $107.

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.
Processing Power
Both the Celeron J4005 and A9-9420 share an identical 2-core/2-thread configuration. Boost clocks reach 2.7 GHz on the Celeron J4005 versus 3.6 GHz on the A9-9420 — a 28.6% clock advantage for the A9-9420 (base: 2 GHz vs 3 GHz). The Celeron J4005 uses the Goldmont Plus (2017) architecture (14 nm), while the A9-9420 uses Stoney Ridge (2016−2019) (28 nm). In PassMark, the Celeron J4005 scores 1,543 against the A9-9420's 1,538 — a 0.3% lead for the Celeron J4005. Geekbench 6 single-core — the metric most relevant to gaming — records 450 vs 497, a 9.9% lead for the A9-9420 that directly translates to higher frame rates. Multi-core Geekbench: 800 vs 950 (17.1% advantage for the A9-9420). L3 cache: 4 MB on the Celeron J4005 vs 0 kB on the A9-9420.
| Feature | Celeron J4005 | A9-9420 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.7 GHz | 3.6 GHz+33% |
| Base Clock | 2 GHz | 3 GHz+50% |
| L3 Cache | 4 MB | 0 kB |
| L2 Cache | 4 MB (total)+300% | 1 MB (total) |
| Process | 14 nm-50% | 28 nm |
| Architecture | Goldmont Plus (2017) | Stoney Ridge (2016−2019) |
| PassMark | 1,543 | 1,538 |
| Geekbench 6 Single | 450 | 497+10% |
| Geekbench 6 Multi | 800 | 950+19% |
Memory & Platform
The Celeron J4005 uses the FCBGA1090 socket (PCIe 3.0), while the A9-9420 uses FT4 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR4-2400 memory speed. Both support up to 8 GB of RAM. Memory channels: 2 (Celeron J4005) vs 1 (A9-9420). PCIe lanes: 6 (Celeron J4005) vs 8 (A9-9420) — the A9-9420 offers 2 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SoC (Celeron J4005) and SoC (A9-9420).
| Feature | Celeron J4005 | A9-9420 |
|---|---|---|
| Socket | FCBGA1090 | FT4 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2400 | DDR4-2133 |
| Max RAM Capacity | 8 GB | 8 GB |
| RAM Channels | 2+100% | 1 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 6 | 8+33% |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x, VT-d, EPT (Celeron J4005) vs AMD-V (A9-9420). Both include integrated graphics — Intel UHD Graphics 600 (Celeron J4005) and Radeon R5 (A9-9420) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron J4005 targets Entry Level Desktop, A9-9420 targets Budget Laptop. Direct competitor: Celeron J4005 rivals Ryzen Embedded R1102G; A9-9420 rivals Pentium N4200.
| Feature | Celeron J4005 | A9-9420 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel UHD Graphics 600 | Radeon R5 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d, EPT | AMD-V |
| Target Use | Entry Level Desktop | Budget Laptop |
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