Problem with weight lifting soreness?

ok last weak i had 85% of our max 4x4 and bench press burnout various sets of weights and reps, tri dips, incline, and power clean.. i was extremely sore...then this week we had 90% of bench max 3x3 the the same thang burnout, incline, power clean, tri p dips,,, why didn't i get sore this week and the workout was more intense and heavier help