
Celeron 3867U vs A8-3520M

Celeron 3867U

A8-3520M
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 3867U is positioned at rank 132 and the A8-3520M is on rank 806, so the Celeron 3867U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron 3867U
Performance Per Dollar A8-3520M
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron 3867U | A8-3520M |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Kaby Lake (2016−2019) / 14 nm) | 🛑 Legacy (Llano (2011−2012) / 32 nm) |
💎 Value Proposition
| Insight | Celeron 3867U | A8-3520M |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 3867U and A8-3520M

Celeron 3867U
The Celeron 3867U is manufactured by Intel. It was released in 1 March 2019 (6 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 2 cores and 2 threads. Base frequency is 1.8 GHz, with boost up to 1.8 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 15 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 1,449 points. Launch price was $107.

A8-3520M
The A8-3520M 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 1.6 GHz, with boost up to 2.5 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 32 nm process technology. Socket: FS1. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,441 points. Launch price was $90.
Processing Power
The Celeron 3867U packs 2 cores / 2 threads, while the A8-3520M offers 4 cores / 4 threads — the A8-3520M has 2 more cores. Boost clocks reach 1.8 GHz on the Celeron 3867U versus 2.5 GHz on the A8-3520M — a 32.6% clock advantage for the A8-3520M (base: 1.8 GHz vs 1.6 GHz). The Celeron 3867U uses the Kaby Lake (2016−2019) architecture (14 nm), while the A8-3520M uses Llano (2011−2012) (32 nm). In PassMark, the Celeron 3867U scores 1,449 against the A8-3520M's 1,441 — a 0.6% lead for the Celeron 3867U. L3 cache: 2 MB on the Celeron 3867U vs 0 kB on the A8-3520M.
| Feature | Celeron 3867U | A8-3520M |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 1.8 GHz | 2.5 GHz+39% |
| Base Clock | 1.8 GHz+12% | 1.6 GHz |
| L3 Cache | 2 MB | 0 kB |
| L2 Cache | 512 kB | 1 MB (per core)+100% |
| Process | 14 nm-56% | 32 nm |
| Architecture | Kaby Lake (2016−2019) | Llano (2011−2012) |
| PassMark | 1,449 | 1,441 |
| Geekbench 6 Single | — | 255 |
Memory & Platform
The Celeron 3867U uses the BGA1356 socket (PCIe 3.0), while the A8-3520M uses FS1 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2133 on the Celeron 3867U versus DDR3-1333 on the A8-3520M — the Celeron 3867U supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron 3867U supports up to 32 GB of RAM compared to 16 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 12 (Celeron 3867U) vs 20 (A8-3520M) — the A8-3520M offers 8 more lanes for additional GPUs or NVMe drives.
| Feature | Celeron 3867U | A8-3520M |
|---|---|---|
| Socket | BGA1356 | FS1 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR4-2133+33% | DDR3-1333 |
| Max RAM Capacity | 32 GB+100% | 16 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 12 | 20+67% |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Celeron 3867U) vs AMD-V (A8-3520M). Both include integrated graphics — HD Graphics 610 (Celeron 3867U) and Radeon HD 6620G (A8-3520M) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron 3867U targets Budget, A8-3520M targets Budget Laptop. Direct competitor: Celeron 3867U rivals Pentium Gold 4417U; A8-3520M rivals Core i3-2330M.
| Feature | Celeron 3867U | A8-3520M |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | HD Graphics 610 | Radeon HD 6620G |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | AMD-V |
| Target Use | Budget | Budget Laptop |
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