A8-3820 vs Celeron J3455E
A8-3820
Celeron J3455E
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. The A8-3820 is positioned at rank #1032 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. 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 A8-3820
Performance Per Dollar
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | A8-3820 | Celeron J3455E |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($200) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Llano (2011−2012) / 32 nm) | ✨ Modern (Legacy / 14 nm) |
💎 Value Proposition
| Insight | A8-3820 | Celeron J3455E |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($200) | ✅ 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 A8-3820 and Celeron J3455E
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.
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.
Processing Power
Both the A8-3820 and Celeron J3455E share an identical 4-core/4-thread configuration. Boost clocks reach 2.8 GHz on the A8-3820 versus 2.3 GHz on the Celeron J3455E — a 19.6% clock advantage for the A8-3820 (base: 2.5 GHz vs 1.5 GHz). The A8-3820 is built on the Llano (2011−2012) architecture. In PassMark, the A8-3820 scores 2,178 against the Celeron J3455E's 2,193 — a 0.7% lead for the Celeron J3455E. Geekbench 6 single-core — the metric most relevant to gaming — records 354 vs 450, a 23.9% lead for the Celeron J3455E that directly translates to higher frame rates. L3 cache: 0 kB on the A8-3820 vs 2 MB on the Celeron J3455E.
| Feature | A8-3820 | Celeron J3455E |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 2.8 GHz+22% | 2.3 GHz |
| Base Clock | 2.5 GHz+67% | 1.5 GHz |
| L3 Cache | 0 kB | 2 MB |
| L2 Cache | 1 MB (per core) | — |
| Process | 32 nm | 14 nm-56% |
| Architecture | Llano (2011−2012) | — |
| PassMark | 2,178 | 2,193 |
| Geekbench 6 Single | 354 | 450+27% |
| Geekbench 6 Multi | — | 850 |
Memory & Platform
Maximum memory speed reaches DDR3-1866 on the A8-3820 versus DDR4-2400 on the Celeron J3455E — 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: 20 (A8-3820) vs 6 (Celeron J3455E) — the A8-3820 offers 14 more lanes for additional GPUs or NVMe drives. Chipset compatibility: A55,A75 (A8-3820) and N/A (SoC) (Celeron J3455E).
| Feature | A8-3820 | Celeron J3455E |
|---|---|---|
| Socket | FM1 | — |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1866 | DDR4-2400+33% |
| Max RAM Capacity | 32 GB+300% | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 20+233% | 6 |
Advanced Features
Neither processor supports overclocking. Virtualization support: AMD-V (A8-3820) vs VT-x (Celeron J3455E). Both include integrated graphics — Radeon HD 6550D (A8-3820) and HD Graphics 500 (Celeron J3455E) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: A8-3820 targets Budget Desktop, Celeron J3455E targets Low Power. Direct competitor: A8-3820 rivals Core i3-2120; Celeron J3455E rivals Pentium J4205.
| Feature | A8-3820 | Celeron J3455E |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Radeon HD 6550D | HD Graphics 500 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | AMD-V | VT-x |
| Target Use | Budget Desktop | Low Power |
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