I'm trying to figure out what used or refurb Mac I should buy for my small business. I bought a Late 2014 Mac Mini (the 8gb RAM one) designed to replace a 2011 Macbook Pro. Turns out it's not fast enough, so I'm likely to return it and get something else. Trouble is, I'm not sure where to draw the line. It used to be the case that you could look at clock speed and get a pretty good idea of what was better. Or even the edition of the processor. Take a look at these two benchmarks: 2011 Macbook Pro - http://browser.primatelabs.com/geekbench3/7629399 Mac Mini - http://browser.primatelabs.com/geekbench3/7629333 As you can see, the scores are almost identical. In fact, the MBP has an i7 @ 2.8, compared to the seemingly worse Mac Mini with an i5 @ 2.6. And yet, when building our software, build times were almost 50% faster with the Mac Mini. So my question is, what is today's method of looking at a product page, particularly for a MBP/Mini/iMac, and knowing what's faster and by how much? I need to know that to make a cost-effective decision without just blowing a bunch of $$ on the latest and greatest. EDIT: Also, WHAT?! Why is a 2012 Mac Mini orders of magnitude faster (with a Quad core i7 @ 2.3) than something from 2014? EDIT2: A benchmarking tool that actually shows a proper difference in performance would be great as well. The GeekBench scores that I linked to above clearly did not communicate the 50% difference in build times.