Here is a way to quickly generate a listing of key attributes for every Connect IQ device (153 currently). You can re-generate this anytime the SDK Manager updates devices.
https://docs.google.com/document/d/1ZjLqq4BQOxTBTqrxAy6rwkCetu0rEHuDM9NsnZAukvo/edit?usp=sharing
And here is the output of the script as of today.
https://docs.google.com/spreadsheets/d/1whmBUIELOuJ064H9GEGg8algIqbmis4Vj-xG7lS7cEs/edit?usp=sharing
It looks like this...