A9-9420 vs Celeron J4005
A9-9420
Celeron J4005
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 J4005 is on rank 417, 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 A9-9420
Performance Per Dollar Celeron J4005
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | A9-9420 | Celeron J4005 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($30) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Stoney Ridge (2016−2019) / 28 nm) | ✨ Modern (Goldmont Plus (2017) / 14 nm) |
💎 Value Proposition
| Insight | A9-9420 | Celeron J4005 |
|---|---|---|
| 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 J4005
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 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.
Processing Power
Both the A9-9420 and Celeron J4005 share an identical 2-core/2-thread configuration. Boost clocks reach 3.6 GHz on the A9-9420 versus 2.7 GHz on the Celeron J4005 — a 28.6% clock advantage for the A9-9420 (base: 3 GHz vs 2 GHz). The A9-9420 uses the Stoney Ridge (2016−2019) architecture (28 nm), while the Celeron J4005 uses Goldmont Plus (2017) (14 nm). In PassMark, the A9-9420 scores 1,538 against the Celeron J4005's 1,543 — a 0.3% lead for the Celeron J4005. Geekbench 6 single-core — the metric most relevant to gaming — records 497 vs 450, a 9.9% lead for the A9-9420 that directly translates to higher frame rates. Multi-core Geekbench: 950 vs 800 (17.1% advantage for the A9-9420). L3 cache: 0 kB on the A9-9420 vs 4 MB on the Celeron J4005.
| Feature | A9-9420 | Celeron J4005 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 3.6 GHz+33% | 2.7 GHz |
| Base Clock | 3 GHz+50% | 2 GHz |
| L3 Cache | 0 kB | 4 MB |
| L2 Cache | 1 MB (total) | 4 MB (total)+300% |
| Process | 28 nm | 14 nm-50% |
| Architecture | Stoney Ridge (2016−2019) | Goldmont Plus (2017) |
| PassMark | 1,538 | 1,543 |
| Geekbench 6 Single | 497+10% | 450 |
| Geekbench 6 Multi | 950+19% | 800 |
Memory & Platform
The A9-9420 uses the FT4 socket (PCIe 3.0), while the Celeron J4005 uses FCBGA1090 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR4-2133 memory speed. Both support up to 8 GB of RAM. Memory channels: 1 (A9-9420) vs 2 (Celeron J4005). PCIe lanes: 8 (A9-9420) vs 6 (Celeron J4005) — the A9-9420 offers 2 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SoC (A9-9420) and SoC (Celeron J4005).
| Feature | A9-9420 | Celeron J4005 |
|---|---|---|
| Socket | FT4 | FCBGA1090 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2133 | DDR4-2400 |
| Max RAM Capacity | 8 GB | 8 GB |
| RAM Channels | 1 | 2+100% |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 8+33% | 6 |
Advanced Features
Neither processor supports overclocking. Virtualization support: AMD-V (A9-9420) vs VT-x, VT-d, EPT (Celeron J4005). Both include integrated graphics — Radeon R5 (A9-9420) and Intel UHD Graphics 600 (Celeron J4005) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: A9-9420 targets Budget Laptop, Celeron J4005 targets Entry Level Desktop. Direct competitor: A9-9420 rivals Pentium N4200; Celeron J4005 rivals Ryzen Embedded R1102G.
| Feature | A9-9420 | Celeron J4005 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Radeon R5 | Intel UHD Graphics 600 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | AMD-V | VT-x, VT-d, EPT |
| Target Use | Budget Laptop | Entry Level Desktop |
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