Scratch 3 Desktop, a programming app for kids, brought the total to 900MB by itself. Opening Chrome with a single tab brought the usage to 645MB. The bare 32-bit operating system with just some background apps like VNC running took up a mere 440 MB. So I was shocked to see how many applications and tabs I could have open in Raspberry Pi OS (32-bit) without surpassing 4GB. If you use a PC or Mac, even 8GB of RAM is usually too little in fact, if you’re buying a desktop, we think 32GB is ideal. (Image credit: Tom's Hardware) How Much Raspberry Pi RAM Can You Really Use? See the picture below for a comparison of the 8GB to the non-8GB boards.Ī face-shaped set of chips near the USB-C port distinguishes the 8GB Raspberry Pi 4 from other models. On other capacities, the power supply is near the USB 2.0 ports, but doesn't sit in a face shape. ![]() In order to provide more power for the RAM, the Raspberry Pi 4 (8GB) has a switch-mode power supply - a constellation of three small black chips that's shaped like eyes and a mouth - that sits just to the left of the USB-C connector. However, the 8GB Raspberry Pi 4 has a tell-tale physical sign that lets you know that you have the 8GB capacity. If you've got several Raspberry Pi 4 B boards in your office and you reach for one, it's difficult to tell how much RAM the model has, just by looking at the PCB. How to Tell a Raspberry Pi 4 (8GB) From Other Models It’s not too difficult to install Ubuntu on a Raspberry Pi, but in my experience using it on a 4GB Raspberry Pi 4 B, it could be kind of sluggish. I didn’t test them on the 8GB model, but it’s worth mentioning that both Ubuntu and Gentoo already have 64-bit operating systems that are compatible with the Raspberry Pi. For example, the 64-bit OS now uses KMS (Kernel Mode Switching) for display management, which Upton says could result in problems during beta, but will ultimately lead to a more efficient OS. However, it’s important to note that this early beta build is just a starting point and most of the changes we’ll see are under the hood. You'll then need to use Raspberry Pi Imager or Etcher to burn the img to a microSD card. If you want to try the new 64-bit Raspberry Pi OS beta, check out Pi CEO Eben Upton's forum post, which contains a direct link to download the latest img file for it. I was able to use more than 4GB of RAM in both operating systems, with a series of nearly 60 tabs with many actively playing 4K video (along with video editor OneShot) taking me over the 4GB threshold. Strangely, there’s slightly less available RAM in the 64-bit OS than in 32-bit, with 32-bit Raspberry Pi OS showing 7.8GB available while the 64-bit version has 7.6GB available. ![]() ![]() All the preloaded apps are 32-bit, so they don’t really take advantage of the 64-bit capability. So far, I didn’t find a single thing you could do with the 64-bit Raspberry Pi OS that you can’t do with regular 32-bit Raspberry Pi OS (aka Raspbian). The familiar Raspberry Pi logo sits on the start menu, the fonts and colors are the same, the Raspberry Pi Configuration app is the same and even the default desktop wallpaper is the same at this point. Raspberry Pi 4 B (8GB) running 64-bit Raspberry Pi OS (Image credit: Tom's Hardware)Īs part of my testing, I got early access to Raspberry Pi OS (64-bit), which looks and feels just like its 32-bit counterpart has for a long time.
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