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manuleka

Real Advantage Of 64Bit Vs 32Bit Applications On 64Bit System

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I've just upgraded on PC to Windowns 7 x64 and i notice quite a lot of the applications i use are still on 32bit, only a handful has 64bit versions available...so i'm curious whether there is a real advantage today on using 64bit vs 32bit version of softwares?

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In my own opinion, 32 bit to 64 bit is a normal evolution.The correct way would have been (like on PowerPC) to keep strict downward compatibility, 32 bits application should always be able to run on a 64 bit machine, which is not always the case today.Adressing memory in a 64-bit word instead of a 32-bit word makes acces to huge memory applications easier, you will need twice less memory accesses. However, with the small machines you probably have (far less than 64 gigs memory) I don't think this will make any difference.

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