Looking at their Cleaning the Glass data for this season only (lies, [dang] lies and statistics I know). The orange/blue numbers show the player's percentile rank in that stat relative to their position. Positions are defined as follows:
Offensive Overview(click to enlarge pics)

Similar usage, DW is in the 88th percentile (top 12%) among guards in Points Per Shot Attempt with 124.5 while Jrue is in the bottom 33% with 106.5. Assist rate they are about the same. DW in a higher percentile with Assist to Usage ratio as well
Shooting: Overall
Overall shooting, DW ranks in the 68th percentile or better in eFG%, 2pt% and 3pt% while Jrue is actually below median except for 3fg% where he ranks in the 60th percentile. DW also ranks higher in Assisted Rate from his shot makes (ASTD%, which is the % of times a player was assisted on made shots, at the rim, midrange and three). This suggests that DW is a better catch and shoot player or he makes less iso, or quicker decisions with the ball when he gets it.
Shooting Accuracy
More granular shooting accuracy stats...again DW ranks higher in most categories.
Defense and Rebounding
Both are great blockers for guards, ranking in the top 8% of their positions in blocked shots. Jrue is in the top 1% of guards when it comes to offensive rebounds (we have another guard in the top 1% which is PP) and Jrue is also in the 98th percentile for defensive rebounds.
There's plenty more but in the interests of not boring people I will stop

The final stat - their salaries:
Jrue is on $36.8m this season with $39m more owed next season. He is 33
Derrick is on $18.3m this season with another $19m owed next season. He is 29
It will be interesting to see if these change once we head towards the midway point of the season and Jrue gets more acclimated.