Is Windows 7 compatible with systems that have only MB of RAM? - Question Info

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I never tried it with Vista Ultimate, nor would I have bothered. After making a few notes on how the setup process worked, I put the VM aside and went on to other work. Even more startling, I realized that I had inadvertently installed the bit edition of Windows 7 Ultimate in this VM.

I've pasted a screen grab of the memory gauge here. That was a pleasant surprise. I was also surprised to see that this clean install was using less than 9 GB of disk space in this VM.

With my curiosity piqued, I configured a new VM using the same settings and did a clean install of Vista Ultimate, giving me a good baseline for comparing XP to its successors. Here are the stats for all three operating systems, with memory usage measured after all update operations had completed and the system had been idle for at least one hour:. As you can see, on this low-resource configuration Windows 7 uses dramatically less RAM than Vista, and also has a smaller hard-disk footprint.

A few configuration notes can help put these results in perspective:. With identical configurations, Windows 7 was dramatically faster at starting up and shutting down than Vista, and some routine tasks that would grind the Vista machine to a halt completed without incident on the Windows 7 machine. On the Vista system,. I suspect that when Vista was being designed, this was an afterthought, with the notion that cheap RAM and hard disks would make those machines obsolete.

Why does Windows 7 use so much less disk space than Vista? A very small amount of the savings much less than I expected is in program code. The biggest savings is from the preallocated volume shadow storage space, which holds System Restore points and backs up files via the Previous Versions feature. On my Vista virtual machine, this feature was using more than 4.

Under Windows 7, the system reserved less than MB. This attention to performance when resources are less than expected on a modern desktop PC potentially has positive implications for netbooks and other cheap PCs.

I might have to haul that old era Pentium 4 out of mothballs and see how it handles Windows 7. Home Innovation Hardware. My biggest surprise so far? How well did it work? I was amazed, and you will be too. Show Comments. Log In to Comment Community Guidelines. Add Your Comment. Related Delta Air Lines is making a big change that's making rich customers angry. Delta Air Lines is making a big change that's making rich customers angry Business. How to clear the cache on your iPhone and why you should.

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