So, this is what I starting out with (adopted from here http://www.d20srd.org/srd/monsters/giant.htm ):
+18 Strength -2 Dexterity +10 Constitution, +4 Wisdom.
Large size. -1 penalty to Armor Class, -1 penalty on attack rolls, -4 penalty on Hide checks, +4 bonus on grapple checks, lifting...