What would be a good setup to run Inventor without it bogging down?

What would be a good setup to run Inventor without it bogging down. Like how much RAM do i need (6GB) and would an i5 or i7 Intel core processor make it work at its best.

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More memory, more CPU power, more efficiency. If you can, look at (now cheap) 4x4G RAM packages, I7 2600K, be sure you pick a good workstation GPU as well.

 
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It will mainly bog down when making large assemblies. So ensure some parts therein are not "enabled". Specifically remove the tick from the "Enabled" state of individual parts that you are not working on in an assembly. A ghost image of the part still remains so as you can still retain overview of the assembly. Disabling those parts that contain circular or rectangular patterns such as holes is especially effective. Note that "suppress" part also works but
this removes the part from view completely and I find its
response is slower

 
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Not sure about Inventor, with SW (SolidWorksRX report) and 16G RAM + ATI FirePro V4800 I can work with assemblies up to 2500 parts. Of course, it will also depend on the parts, the quality of each and number of features (some can rebuild in 0.03sec, some need 50 seconds) so it's very relative... Anyway, it's worth investing into the best hardware you can afford for the job you expect to do with it...

 
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I would also advise working on large assemblies on your local drive where possible. Working with large 3D files on networks has proved unpredictable for me. Overall If you are on a tight hardware budget I believe you can work with large assemblies on 4-5 GB RAM comfortably - providing you a) disable assembly parts where possible when working and b) keep the files on your personal drive . Then when you have to share or review/present files, "enable" everything and copy files to network at this stage. Any "bog" down at this stage will be tolerable as youll have all the work done and saved and you only need to carry out limited actions at this stage.

 
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Depends on your budget, I would go for the i7 2600k but the i5 2400k is close enough if you prefer. RAM is cheap and also depends on your project's size, go for the mid-priced ones, an 8GB won't cost much. Lastly, you need a good workstation GPU, the FirePro V4800 would suite me but it might not suit you.

 
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