Humphries beasts him in rebounds, blocks, assists, steals
Landry had a much higher usage than Humphrise, 23% vs 17%. Landry's higher usage plus higher points per minute, about the same point average in 10 fewer minutes, is probably what puts him ahead of Humphries. Assuming he could keep producing at the same rate, give Landry the same 35 minutes per game as Humphries instead of just 24 and the comparison goes from 12.5/5.2 to 17.7/7.5 which is a little better than Humphries 13.8/11
Landry shoots just 2% better
Landry's True Shooting Percentage is almost 4% better because he hits his free throws a little better, 80% vs 75%.