Raspberry Pi 5 Review

The Raspberry Pi 5 is one of those products that's genuinely hard to review fairly — not because it's mediocre, but because it means something completely different depending on who's holding it. For a hobbyist, it's a $80 supercomputer. For a maker, it's the brain of their next crazy project. For an unsuspecting buyer on AliExpress... well, we'll get to that.

What People Are Actually Using This For

The community around the Pi 5 is doing genuinely wild things with it. One Reddit user built a swarm of 25 AI research agents running on a Pi 5 sitting in their closet — cron-scheduled, database-connected, doing actual pattern analysis on UFO datasets and longevity research. Another user set up on-device hand gesture control for their entire smart home using a HuskyLens V2 camera and a Pi 5, with zero cloud dependency. The open-source slicer preFlight specifically lists the Pi 5 on 64-bit Raspberry Pi OS as a supported platform. It's even been adopted as a printing and 3D toolchain host.

The point is: this board punches way above its size. It handles real workloads — local AI inference, Wayland compositors, full desktop environments — that earlier Pi generations simply couldn't touch.

Performance in the Real World

For context, even the older, much weaker Pi Zero 2 W (512MB RAM) can run Wayland + Sway + a Spotify TUI client + a file manager simultaneously, according to one Reddit user who documented the whole setup. That's the floor. The Pi 5 is leagues beyond that baseline. Users running multi-agent AI workloads, compiling software, and hosting local web services report it handles sustained loads impressively well for a board of its class.

The preFlight slicer team specifically chose to support the Pi 5 — not the Pi 4, not a generic ARM build — which signals that there's now enough headroom on this hardware for genuinely demanding desktop applications.

The Counterfeiting Problem You Need to Know About

Here's where things get serious, and this is the most important information in this review for anyone shopping outside official channels.

A Reddit user in r/raspberry_pi documented a nightmare scenario: their Pi 5 worked fine for five months, then began failing to boot after a firmware update, showing 9 green LED flashes. The investigation revealed the board had been purchased from an AliExpress seller who was likely harvesting original RAM chips and replacing them with off-spec alternatives. Older firmware (April 2024) had relaxed enough RAM timings that the fake chips could pass. Newer EEPROM updates with stricter official RAM training exposed the fraud entirely.

Another commenter confirmed a similar experience — their Pi 5 was identified in hardware strings as a 2GB model but had been physically upgraded to 8GB RAM by a third party. The firmware self-healing mechanism, rather than being a nuisance, was actually the "truth-teller" that exposed the tampered hardware.

The practical advice here is blunt: only buy from official resellers. Check the RAM branding and physical condition immediately on arrival. If your Pi 5 works on old firmware but breaks after an update, you may be a counterfeit victim, not a software issue victim.

Minor Friction Points

Even on legitimate hardware, the firmware auto-update behavior can create headaches. The Pi's "self-healing" EEPROM system is designed to keep devices current, but for users with specific, locked-down configurations, it can be frustrating to work around. Community workarounds exist, but they require comfort with terminal commands — this isn't a device that holds your hand.

The Pi ecosystem also still requires a bit of DIY tolerance. You're assembling your own setup: OS flashing, case selection, cooling decisions, power supply sourcing. For a complete beginner with no Linux experience, the learning curve is real.

Who Should Buy the Raspberry Pi 5

This board is for people who have a specific project in mind — a local AI assistant, a home automation hub, a network-attached storage box, a retro gaming console, a 3D printer host, or just a cheap Linux desktop for tinkering. It's exceptional value for that audience.

It is not the right buy if you want a simple plug-and-play computer. For that, a used mini PC or a Chromebox will serve you better with far less configuration overhead.

Frequently Asked Questions

Frequently Asked Questions

Q: Is the Raspberry Pi 5 good enough for a desktop computer replacement?

A: For light tasks like browsing, document editing, and coding, yes — it runs a full Wayland desktop and handles real applications. For demanding workloads like video editing or gaming, it will hit its limits.

Q: Can the Raspberry Pi 5 run AI workloads locally?

A: Yes. Community users have demonstrated running swarms of AI agents, on-device gesture recognition cameras, and pattern analysis pipelines directly on the Pi 5 without cloud dependencies.

Q: Where should I buy a Raspberry Pi 5 to avoid counterfeits?

A: Only purchase from official Raspberry Pi resellers. Reddit users have documented cases where AliExpress sellers replaced original RAM chips with off-spec alternatives — boards that appeared genuine but failed after firmware updates.

Q: What happens if my Raspberry Pi 5 only boots with old firmware?

A: If your Pi 5 works on older EEPROM firmware but fails on newer versions with 9 green LED flashes, this is a strong indicator of tampered or off-spec RAM. Check the hardware branding and consider whether you purchased from an authorized source.

Q: Can the Raspberry Pi 5 run 3D printing slicer software?

A: Yes — the preFlight slicer (a PrusaSlicer fork) explicitly supports Raspberry Pi 5 running 64-bit Raspberry Pi OS as of version 0.9.8.

The Pi 5 is a genuinely impressive piece of hardware — flexible, capable, and backed by one of the most active maker communities on the planet. Buy it from the right place, go in with a project in mind, and it will reward you. Buy it from a sketchy third-party storefront and you might spend a weekend debugging firmware that's actually exposing fake RAM. The board deserves better than that.

— Home Lead Editor 1, CPrice