so a lvl 2 crossbow of death is still better then the GG?
9-13 damage more isn't a huge deal(in favor of the crossbow l2)
The 4 attack, defense adds hp/damage itself. The dex, strength, and charisma is only better by 1. Damage wise it might be slightly better for using crossbow. Survivability, it is most likely in favor of the new GG. Reason being is due to the 6 mobility, 4 defense/attack.
Edit: Note, this is only just my opinion and no practical use was tested(I don't have a level 2 crossbow to try and compare em)
Certainly though, a level 3 will do a lot more damage and have more hp as it has 2 extra str, dex and char.
41-47 more damage difference.