I can still make do on my macBook that only has 8gb's of ram but i have to work differently and it does cost me some more time. As a result for game dev i would recommend 16gb. If buying some new parts saves me a lot of time in the long run i will always do it. If you ask me, there's simply no way to work efficiently with less than 16GB RAM (at the very least), but that's just my personal opinion and obviously heavily depends on your workflow and tools. Overhead from debug-assemblies, the Unity-Editor and its Profiler, extra applications that you'll need (VisualStudio or at least MonoDevelop, and maybe some image editor) all contribute.Įven if you're "just" making a small 2D game, the normal development overhead alone will quickly eat up all your RAM. Sure you could close some things but a development computer generally has to be a lot more powerful than a normal users computer. When I just have my browser open, multiple visual studio instances, and Unity, I'm already at 10GB. The OS just won't be able to recognize/use it and due to some other technical details the real usable space is sometimes even less than those 4GB. Let assume for a moment that Unity would still publish 32bit builds.ģ2-bit systems can only address up to 2^32 bytes (4GB) of memory even if you have more installed in your computer. Putting the fact aside that Unity stopped building 32bit builds for the editor, the main problem is RAM and "address space".
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