The Mac is likely background processing, e.g. Spotlight indexing. Give it a few hours to settle down before making judgements on performance.
Standard vs Retina display :
I've blown the standard one up to 200% (using resize in Preview) for as near a straight comparison as you'll get
menus really do look awful on a normal monitor
Standard vs Retina display :
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I've blown the standard one up to 200% (using resize in Preview) for as near a straight comparison as you'll get
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