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I have a rather dated laptop (Core i3) so I'm wondering if using Photoshop CS3 or CS4 would be lighter than CS5-6..

I have 4GB of RAM.

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It sounds like most of your performance problems with Photoshop are because you run it within a Virtual Machine. Photoshop has always been a resource hog. – Ramhound Apr 22 '13 at 11:49

I have a 2006 MacBook Pro with only 2 Gb RAM (yes, it's still alive and working ;-).

I tried Photoshop CS5 and it run well, but I'm back to CS2. I know, this is a little extreme, that's not Intel ready, but I'm working a little better, I can open another apps while Photoshop is in the background.

I downgraded the VM to a 40-50% and the Cache level to 1, reduced the history to the minnimum (as described in and other tweaks.

I need empty cache each hour or half hour, when the RAM is under 150 Mb, depending if I need to open the browser to search any image o something else.

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I have a Core I3 CPU, 4GB ram, Intel 4000 Graphic Card and Photoshop CS6 works fine for template designing. But if you want to work with PS professionally you should certainly try old PS versions with this computer configuration.

It is often true that old software needs less resources than new software.

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The thing I run Photoshop also on a VM so I got less resources.. – George Katsanos Apr 21 '13 at 17:36
It's too bad, Try old version of PS. – Sepahrad Salour Apr 21 '13 at 18:01
although the basic problem is the PSD file I'm working on is made up from many groups of layers.. lighter files are easier – George Katsanos Apr 21 '13 at 21:22

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