![]() There are some performance benefits to be had from an AMD64 (圆4) processor operating in 64-bit mode but they're mostly down to extra features that are only available to 64-bit code rather than the "bitness" (word length) itself.Ĭonversely, 64-bit code tends to use more memory which can harm performance in some cases (there's a special "hybrid" mode called "x32" that has been developed in the Linux world to mitigate this by allowing the extra features to be used from "pseudo-32-bit" code that doesn't need to access large amounts of memory). It used to be mainly relevant to big database servers and scientific computing applications but modern games are beginning to exploit it to allow much larger and more detailed worlds. Programs that don't need to access 4GB+ of RAM at one time don't really benefit from this. Everything is an imposing and advanced file finder that has been equipped with a very wide variety of options as well as configuration properties. 64-bit code has a much larger "window" to look through. 32-bit code can only "see" a maximum of 4GB at one time, kind of like looking through a small window, and has to move the "window" around to access other memory. ![]() The main benefit of 64-bit mode is the ability to access more memory at one time. It's a fallacy perpetuated mainly by computer salesmen (and school ICT textbooks & teachers, at least in the UK) that "64-bit PCs are twice as fast as 32-bit ones because they process twice as much data at once". ![]() ![]() Some games also have 64-bit support they should make use of it automatically on your system. There is a 64-bit version of Chrome available but I'm not sure what difference it really makes for a web browser apart from using more memory. Most things will be 32-bit - it's normal.
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