After turning in one of his worst career performances Saturday when he hit only three of his 21 shots against New Orleans, Bryant returned to all-star form as the Lakers bested the Warriors for the 15th time in 16 meetings.
Bynum exited the game in the first quarter after sustaining a sprained left ankle. The team said X-rays were negative and indicated the pivotman would be re-evaluated Monday.
Ramon Sessions supplied 23 points and nine assists in the victory.
David Lee led Golden State with 27 points as the Warriors dropped their fifth straight.