Mini PC vs All-in-One Desktop: Which Should You Choose?

Mini PC vs All-in-One Desktop: Understanding the Choice

When shopping for a compact computing solution in 2025, two categories dominate the market: mini PCs and all-in-one (AIO) desktops. Both promise to save space compared to traditional tower PCs, but they approach the problem from fundamentally different angles. A mini PC is a standalone computing unit typically measuring 4-8 inches on each side, requiring you to add your own monitor, keyboard, and mouse. An all-in-one desktop, by contrast, integrates the computer directly into a display—usually 24 inches or larger—creating a single unified device that’s ready to use out of the box.

The question of which is better isn’t straightforward. Your choice depends on your specific needs, budget, workspace setup, and whether you value flexibility over convenience. This comprehensive guide breaks down every major difference to help you make an informed decision.

Mini PCs: Compact Computing Powerhouses

Mini PCs are standalone computer units designed to occupy minimal desk space. They typically feature modern processors (Intel Core i7/i9 or AMD Ryzen 7/9), 16GB to 128GB of RAM, and fast storage options. Popular models range from compact options like the GMKtec EVO-X2 ($1,499) to budget alternatives under $500. These devices require external peripherals: a monitor, keyboard, and mouse. You can choose display sizes and resolutions to match your preferences, making mini PCs highly flexible. They’re powered by external PSUs and often support expansion via USB4, PCIe, or external GPU docks.

All-in-One Desktops: Integrated Systems

All-in-one desktops combine the computer and monitor into a single unit. Brands like Lenovo, HP, and Apple offer AIOs with 24-inch or larger displays, integrated speakers, and webcams. They’re designed for users who want a complete, ready-to-use system without shopping for separate components. AIOs typically range from $600 to $3,000+ depending on specifications. They occupy more desk footprint than mini PCs (due to the large display) but eliminate the need for a separate monitor stand and reduce cable clutter. Some models offer touchscreen functionality, while premium options (like Apple iMac) feature premium build quality and design.

This is counterintuitive. Many assume all-in-one desktops are more space-efficient because they’re “all in one,” but the math tells a different story.

Mini PC Space Requirements

• Mini PC unit: ~5-7 inches wide, 4-6 inches deep (roughly the size of a book or console)
• Monitor: 24-27 inches (takes horizontal desk space)
• Total desk footprint: ~24-30 inches wide × 18-22 inches deep (monitor-dominated)
• Vertical height: Monitor height (~20-25 inches) + mini PC (~3 inches if mounted on monitor arm or behind desk)

All-in-One Desktop Space Requirements

• AIO unit with integrated monitor: ~24-32 inches wide (display size determines width)
• Desk depth: ~20-28 inches (stand occupies space)
• Total desk footprint: ~24-32 inches wide × 20-28 inches deep
• Vertical height: ~22-30 inches (full screen plus stand)

The secret advantage of mini PCs: You can mount them on monitor arms using VESA mounts or place them behind monitors, effectively hiding them from view. This leaves your desktop almost entirely clear. AIOs cannot be hidden—they’re always visible and occupy the full footprint.

Additionally, mini PCs allow flexible monitor placement. Use a 21-inch display for a compact setup, or scale to 32 inches for multitasking. AIOs lock you into a fixed display size.

Specific Professional Scenarios

Video Editors & Content Creators: Mini PC + eGPU dock wins. Upgrade GPU independently, add multiple displays effortlessly, expand storage as projects grow. Total flexibility justifies the setup complexity.

Office Workers & Students: AIO is ideal. Plug in, start working. No peripheral shopping, integrated tools (webcam, microphone), maintenance-free experience.

AI Enthusiasts & Data Scientists: Mini PC is superior. Run large language models locally, leverage high RAM configurations (up to 128GB), access advanced I/O (USB4, 2.5GbE Ethernet) for cluster setups.

Gamers: Mini PC with eGPU dock flexibility or high-end mini PC with integrated GPU. AIOs cannot accommodate external GPUs and offer suboptimal cooling under sustained gaming loads.

Remote Work & Video Calls: AIO edge. Integrated microphone, speaker, webcam, and professional stand make it meeting-ready without accessory purchases.

Premium All-in-One Desktops

Why Consider a Mini PC Instead?

If you already own a monitor or need maximum upgradability, a mini PC delivers superior long-term value. Explore options like the GMKtec EVO-X2 (AMD Strix Halo, 1440p gaming) or more affordable alternatives in the $400-$800 range that offer excellent performance for office work, browsing, and light creative tasks.