Who was stronger Between Goku and Gohan?

im talking about the BUU SAGA....ssj3 goku( end of DBZ) would kill ultimate gohan in seconds...but who was stornger in the buu saga?? Kid Buu>>>ssj3 goku because Kid Buu was toying the whole time and never got serious until the spirit bomb came energy/power packed with Ultimate Gohan,Piccolo,Goten,Trunks...Rest of Z-Fighters,Namekians,Humans,People from other World and it wasnt enough until goku had restore to full health and went ssj...so who was stornger int he buu saga ssj3 goku or ultimate gohan?