![]() ![]() There were some examinations/benchmarks of 64-bit to 32-bit on the Pi. 64-bit code may run quicker – depends on the application This shows that using a 32-bit OS version should be the better choice for these types of smaller applications. Using DietPi, the increase is less but still to 162 %. Looking on the OS base system: In case of a Raspbian OS Lite system, the 64-bit version increases RAM memory consumption to 206 % compared to the 32-bit version. This can be essential when operating on a small RAM layout. programs) has the drawback of larger memory consumption. Larger code size of 64-bit – consumes more RAMįurthermore 64-bit code (kernels resp. In smaller appliances like the Raspberry Pi Zero (or generally Linux systems with less than 2 GiB RAM memory) there is no need to switch to a 64-bit system caused by the larger addressing feature. As a result, there is no need for a larger addressing capability. Raspberry Pi Zero 2 only 512 MiB RAM is available. 64-bit processes (programs) can address a larger memory (16 Exabytes) compared to 32-bit programs (4 GiB). The DietPi usage over the last 3 months shows this: DietPi OS type usage (aarch64: 64-bit, armv7l: 32-bit, armv6l: 32-bit) Larger RAM addressing of 64-bit – useless for Pi Zeroīasically, 64-bit OS kernels resp. Since Bullseye, the ratio of 64-bit Debian kernel versions compared to 32-bit Debian kernel versions raise more and more. 32-bit fits better for smaller appliances Of the RAM Raspbian OS lite uses (see also there).Īs a result, the DietPi base system optimises the use of the limited RAM of your Pi. Compared to the well known Raspbian OS lite, the RAM amount of DietPi is only DietPi was especially optimized to achieve a small RAM footprint in your system. The first thing is to use as few RAM as possible with your base OS installation. DietPi basically has a small RAM footprint The base figures explained below where taken from the OS comparison stats page (e.g. Prefer an ARMv7 image to ARMv6 if using 32-bit OS (if your Raspberry Pi hardware supports this).Stay at 32-bit OS instead going to 64-bit OS. ![]() Use DietPi as a lightweight Debian based distribution.There are three main directions of impact we want to propose: How to use your RAM efficiently on your Raspberry Pi Zero / Zero 2 to 1 GiB) and that this does not fit to the CPU performance boost of the Raspberry Pi Zero 2. Some of the available postings in the Internet complain that the RAM was not increased (e.g. Buyzero: “ Alles rund um Raspberry Pi Zero 2 W – inklusive FAQ und Tipps“. ![]() IT Info: “ Raspberry Pi Zero 2 W vs Raspberry Pi Zero W: Welche Upgrades bringt es?“.Hackaday: “ The Pi Zero 2 W Is The Most Efficient Pi“.Hackster: “ Raspberry Pi Zero 2 W Review - Hands-on with the Fastest Zero Ever“.CNX Software: “ Raspberry Pi Zero 2 W and Zero W features comparison“.There are several comparisons which give an overview about the differences between the Raspberry Pi Zero and the Raspberry Pi Zero 2. (By SparkFun Electronics –, CC BY 2.0, ) Motivation This article describes how to use the limited RAM on your Raspberry Pi Zero family efficiently for your applications. ![]() Due to the fact that the new Raspberry Pi Zero 2 keeps having only 512 MiB RAM, DietPi is a great choice with its small default memory footprint. The newly available Raspberry Pi Zero 2 is a nice boost for the Raspberry Pi Zero family which is often used for smaller and headless applications. ![]()
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