I think you are not serious, iPod is a disaster in any of those attributes. The tiny uDAC-2, when connected via RCA to my car audio amplifier (!) not to mention active monitors, literally beats the iPod in every conceivable way.. dynamics, level of micro details, pretty much everything improves compared to the iPod.. but that's just my ears.
Actually the early gen IPods were measured by Stereophile and with lossless files they measured as well if not better than several boutique CD players, the performance was so good in fact that Wilson used them (hidden) in speaker demos at CES and punters believed that they were listening to $20K CD players and not one golden eared listener noticed that they were actually listening to a DAP. It is trivial to test whether the iPod and Udac are very different, just connect the line-outs and record a couple of samples then you can use Audacity or CEP to compare them, run a few DBTs or even do an invert and subtract which will show just how different they are...the biggest single cause of perceived differences is small level differences, I have done many DBT tests of digital items and when level-matched startling differences become much less pronounced