64-bit processors

By morpheus
Aug 18, 2005
  1. I'm thinking of putting a 64-bit processor into my computer. Can I run 32-bit applications/OS's on a 64-bit processor without run an emulation program or taking a hit in performance (I heard somewhere that you needed an emulator that hogs resources)? Thanks.
  2. howard_hopkinso

    howard_hopkinso TS Rookie Posts: 24,177   +19

    As far as I`m aware, there should be no problem running 32bit apps with a 64bit processor. And as for an emulator I`ve never heard of one being needed.

    Regards Howard :)
  3. MrGaribaldi

    MrGaribaldi TechSpot Ambassador Posts: 2,512

    As long as you stay with "mainstream" 64-bit cpus (like AMD og Intel) it shouldn't be a problem. That's because they're an extension of the 32-bit instruction set, meaning they they natively support 32-bit applications.

    But if you're going for some of the more exotic versions from Sun & co, then you might be in for a problem...
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