Small ARM PCs have become essential tools for developers, makers, educators, home lab builders, and electronics hobbyists. They offer low power consumption, compact footprints, silent operation, and enough performance for coding, automation, prototyping, edge computing, media projects, and lightweight server tasks. While the Raspberry Pi family remains the most recognizable name, the market now includes a wide range of capable boards and mini PCs designed for different budgets and workloads.
TLDR: The best small ARM PC depends on the project. Raspberry Pi 5 is the strongest general-purpose choice, while Orange Pi 5 Plus and Rock 5 Model B offer more performance for advanced development. For microcontroller-style experimentation, Raspberry Pi Zero 2 W remains excellent, and for networking or always-on server use, Radxa, FriendlyELEC, and Libre Computer boards provide compelling alternatives.
Why Small ARM PCs Matter
Small ARM PCs are popular because they combine affordability, flexibility, and energy efficiency. A developer can use one as a Linux workstation, a test server, a container host, or an IoT gateway. A hobbyist can use the same type of board for robotics, retro gaming, smart home control, camera systems, or digital signage.
Unlike traditional desktop computers, these machines often run on only a few watts. That makes them practical for always-on projects where electricity cost, noise, and heat are important. Many also include GPIO pins, camera connectors, display outputs, Wi-Fi, Bluetooth, Ethernet, and USB expansion, giving them a broad range of uses beyond ordinary computing.
1. Raspberry Pi 5
The Raspberry Pi 5 is one of the best all-around small ARM PCs for developers and hobbyists. It offers a meaningful performance improvement over earlier Raspberry Pi boards, making it suitable for local development, media handling, light desktop use, scripting, and hardware projects.
Its quad-core ARM Cortex-A76 processor, improved GPU, PCIe support, dual 4K display output, and strong community ecosystem make it especially attractive. The board benefits from excellent documentation, wide accessory availability, and massive community support. For developers building educational tools, home automation systems, or embedded Linux applications, the Raspberry Pi 5 remains a safe and versatile choice.
- Best for: general development, learning Linux, robotics, automation, media projects
- Strengths: strong ecosystem, good documentation, reliable software support
- Considerations: active cooling is recommended for sustained workloads
2. Orange Pi 5 Plus
The Orange Pi 5 Plus targets users who need more computing power than a typical hobby board provides. It uses the Rockchip RK3588 processor, which includes powerful CPU cores, a capable GPU, and neural processing features. This board is a strong option for developers experimenting with AI inference, computer vision, edge computing, Android builds, and Linux server tasks.
With features such as multiple display outputs, high-speed networking options, PCIe expansion, and generous memory configurations, the Orange Pi 5 Plus can function as a compact workstation or an efficient server. It is not always as beginner-friendly as a Raspberry Pi, but its raw performance is impressive for its size and price category.
- Best for: AI experiments, edge computing, media processing, Linux server workloads
- Strengths: excellent performance, strong I/O, multiple memory options
- Considerations: software support may require more research and configuration
3. Radxa Rock 5 Model B
The Radxa Rock 5 Model B is another powerful ARM single-board computer based on the Rockchip RK3588 platform. It appeals to advanced hobbyists and developers who want a compact board with desktop-class capabilities for many embedded and server projects.
It supports fast storage through M.2, high-resolution display output, Gigabit Ethernet, and memory configurations suitable for containers, development environments, and multitasking. The Rock 5 Model B can be used for Kubernetes learning labs, NAS experiments, AI inference, video processing, and custom Linux deployments.
Its main advantage is performance density. It delivers a great amount of processing power in a small board format, making it useful where space and power efficiency matter. However, buyers should confirm operating system image maturity and peripheral support before choosing it for production-like projects.
4. Raspberry Pi Zero 2 W
The Raspberry Pi Zero 2 W is tiny, inexpensive, and surprisingly capable for its size. It is not designed to replace a full development workstation, but it is excellent for compact embedded projects. Its wireless connectivity, low power requirements, and small physical footprint make it a favorite for portable builds and hidden installations.
This board is especially well suited for sensor logging, small robots, wearable experiments, home automation nodes, and simple camera projects. Developers can run Linux, write Python scripts, interact with GPIO devices, and deploy lightweight services. Hobbyists appreciate that it fits into places where larger boards do not.
- Best for: compact IoT projects, sensors, small robotics, low-power automation
- Strengths: tiny size, low cost, strong community support
- Considerations: limited RAM and I/O compared with larger boards
5. Libre Computer Le Potato
The Libre Computer AML-S905X-CC, often called Le Potato, is a budget-friendly ARM board suitable for hobbyists who want a Raspberry Pi-style experience without relying exclusively on Raspberry Pi hardware. It is commonly used for media playback, lightweight Linux projects, education, and simple server tasks.
Le Potato is not the fastest board on the market, but it is affordable and practical. Its support for popular Linux distributions and community-driven software makes it useful for learning, experimentation, and low-cost deployment. It can serve as a small web server, DNS server, file-sharing node, or retro computing platform, depending on the software stack used.
6. FriendlyELEC NanoPi R6S
The FriendlyELEC NanoPi R6S is a compact ARM computer built with networking in mind. It is based on a powerful Rockchip processor and includes multiple Ethernet ports, making it a strong choice for developers and hobbyists who focus on routing, firewall projects, network monitoring, VPN gateways, and homelab infrastructure.
Unlike many single-board computers that emphasize GPIO expansion or display output, the NanoPi R6S is designed for network appliances. It can run specialized Linux distributions and handle tasks such as traffic filtering, secure tunneling, and lightweight edge services. Its small size and efficient power draw make it ideal for always-on networking roles.
- Best for: routers, firewalls, VPN gateways, network monitoring
- Strengths: multiple Ethernet ports, compact metal enclosure options, efficient operation
- Considerations: less suitable for display-focused or beginner electronics projects
7. NVIDIA Jetson Orin Nano
The NVIDIA Jetson Orin Nano is aimed at developers working with robotics, AI, computer vision, and machine learning at the edge. It costs more than many hobby boards, but it provides specialized hardware acceleration and access to NVIDIA’s development ecosystem.
For projects involving object detection, autonomous robots, smart cameras, industrial inspection, or real-time image analysis, the Jetson Orin Nano is far more suitable than a basic ARM board. It supports modern AI frameworks and delivers strong performance in a compact format. However, it is best suited to users with a clear AI or robotics goal rather than casual experimentation.
Its value comes from acceleration, not just CPU speed. Developers who need GPU-assisted workloads may find it worth the investment, while general hobbyists may be better served by a Raspberry Pi or Rockchip-based board.
8. Khadas VIM4
The Khadas VIM4 is a polished and compact ARM board designed for multimedia, AI, and embedded development. It includes a powerful Amlogic processor, neural processing capabilities, good display support, and a small form factor. It appeals to developers who want a premium board with strong multimedia and edge AI potential.
The VIM4 is commonly considered for digital signage, smart displays, Android development, video processing, and compact Linux systems. It also benefits from a sleek design and optional accessories that make it feel more like a refined mini PC than a bare experimental board.
Key Buying Considerations
Choosing the right small ARM PC involves more than comparing processor specifications. Developers and hobbyists should consider the entire ecosystem around the board, including operating system support, documentation, community activity, accessory compatibility, and long-term availability.
- Software support: A slightly slower board with reliable Linux images may be more useful than a faster board with unstable software.
- Memory: Projects involving containers, browsers, databases, or AI tools benefit from 8 GB or more RAM.
- Storage: Boards with M.2 or PCIe support are better for databases, servers, and frequent write operations.
- Networking: Homelab and router projects should prioritize Ethernet quality and multiple ports.
- Power and cooling: High-performance ARM boards may need good power supplies and heatsinks.
- Community: Large communities reduce troubleshooting time and improve learning outcomes.
Best Picks by Use Case
- Best overall: Raspberry Pi 5
- Best high-performance board: Orange Pi 5 Plus
- Best advanced developer board: Radxa Rock 5 Model B
- Best tiny board: Raspberry Pi Zero 2 W
- Best networking board: FriendlyELEC NanoPi R6S
- Best AI-focused option: NVIDIA Jetson Orin Nano
- Best low-cost alternative: Libre Computer Le Potato
Conclusion
Small ARM PCs now cover a wide range of needs, from beginner-friendly education boards to powerful AI and edge computing platforms. The Raspberry Pi 5 remains the most balanced option for general use, thanks to its ecosystem and documentation. Boards such as the Orange Pi 5 Plus and Radxa Rock 5 Model B provide impressive performance for advanced users, while the Raspberry Pi Zero 2 W and Libre Computer Le Potato remain excellent for budget-conscious and compact projects.
The best choice depends on the task. A hobbyist building a sensor node does not need the same board as a developer testing AI inference or running a homelab server. By matching the board to the workload, software requirements, and expansion needs, developers and hobbyists can build reliable, efficient, and creative ARM-based systems.
FAQ
Which small ARM PC is best for beginners?
The Raspberry Pi 5 is generally the best beginner choice because it has strong documentation, broad accessory support, and a large community.
Which ARM board is best for AI projects?
The NVIDIA Jetson Orin Nano is the strongest option for AI, robotics, and computer vision. The Orange Pi 5 Plus is also a capable lower-cost option for some edge AI experiments.
Can small ARM PCs replace a desktop computer?
Some can handle light desktop tasks, coding, browsing, and media playback, but they may not fully replace a modern desktop for heavy workloads. High-end boards such as the Orange Pi 5 Plus and Rock 5 Model B come closest.
Are ARM PCs good for home servers?
Yes. Many ARM PCs are excellent for home servers, especially for DNS, file sharing, web hosting, automation, monitoring, and lightweight container workloads.
What should developers prioritize when buying one?
Developers should prioritize software support, reliable storage options, memory capacity, networking, and community resources over raw specifications alone.
Is Raspberry Pi still the best option?
The Raspberry Pi remains the best general-purpose choice for many users, but alternatives may offer better performance, networking, or AI capabilities for specialized projects.
