Celeron J3455E vs A8-3820
Celeron J3455E
A8-3820
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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar
Performance Per Dollar A8-3820
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron J3455E | A8-3820 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($200) |
| Longevity | ✨ Modern (Legacy / 14 nm) | 🛑 Legacy (Llano (2011−2012) / 32 nm) |
💎 Value Proposition
| Insight | Celeron J3455E | A8-3820 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($200) |
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 J3455E and A8-3820
Celeron J3455E
The Celeron J3455E is manufactured by Intel. It was released in 2007-01-01. It features 4 cores and 4 threads. Base frequency is 1.5 GHz, with boost up to 2.3 GHz. L3 cache: 2 MB. Built on 14 nm process technology. Thermal design power (TDP): 10 Watt. Memory support: DDR3L/LPDDR3 up to 1866 MT/s; LPDDR4 up to 2400 MT/s. Passmark benchmark score: 2,193 points. Launch price was $69.
A8-3820
The A8-3820 is manufactured by AMD. It was released in 2014-01-01. It is based on the Llano (2011−2012) architecture. It features 4 cores and 4 threads. Base frequency is 2.5 GHz, with boost up to 2.8 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 32 nm process technology. Socket: FM1. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 2,178 points. Launch price was $90.
Processing Power
Both the Celeron J3455E and A8-3820 share an identical 4-core/4-thread configuration. Boost clocks reach 2.3 GHz on the Celeron J3455E versus 2.8 GHz on the A8-3820 — a 19.6% clock advantage for the A8-3820 (base: 1.5 GHz vs 2.5 GHz). The A8-3820 is built on the Llano (2011−2012) architecture. In PassMark, the Celeron J3455E scores 2,193 against the A8-3820's 2,178 — a 0.7% lead for the Celeron J3455E. Geekbench 6 single-core — the metric most relevant to gaming — records 450 vs 354, a 23.9% lead for the Celeron J3455E that directly translates to higher frame rates. L3 cache: 2 MB on the Celeron J3455E vs 0 kB on the A8-3820.
| Feature | Celeron J3455E | A8-3820 |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 2.3 GHz | 2.8 GHz+22% |
| Base Clock | 1.5 GHz | 2.5 GHz+67% |
| L3 Cache | 2 MB | 0 kB |
| L2 Cache | — | 1 MB (per core) |
| Process | 14 nm-56% | 32 nm |
| Architecture | — | Llano (2011−2012) |
| PassMark | 2,193 | 2,178 |
| Geekbench 6 Single | 450+27% | 354 |
| Geekbench 6 Multi | 850 | — |
Memory & Platform
Maximum memory speed reaches DDR4-2400 on the Celeron J3455E versus DDR3-1866 on the A8-3820 — the Celeron J3455E supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The A8-3820 supports up to 32 GB of RAM compared to 8 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 6 (Celeron J3455E) vs 20 (A8-3820) — the A8-3820 offers 14 more lanes for additional GPUs or NVMe drives. Chipset compatibility: N/A (SoC) (Celeron J3455E) and A55,A75 (A8-3820).
| Feature | Celeron J3455E | A8-3820 |
|---|---|---|
| Socket | — | FM1 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR4-2400+33% | DDR3-1866 |
| Max RAM Capacity | 8 GB | 32 GB+300% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 6 | 20+233% |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x (Celeron J3455E) vs AMD-V (A8-3820). Both include integrated graphics — HD Graphics 500 (Celeron J3455E) and Radeon HD 6550D (A8-3820) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron J3455E targets Low Power, A8-3820 targets Budget Desktop. Direct competitor: Celeron J3455E rivals Pentium J4205; A8-3820 rivals Core i3-2120.
| Feature | Celeron J3455E | A8-3820 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | HD Graphics 500 | Radeon HD 6550D |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | AMD-V |
| Target Use | Low Power | Budget Desktop |
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