Kingbrite CREE XP-G3 vs XP-E2?

[RenaissanceBrah]

Anyone know the difference between the XP-G3 and XP-E2 on the Kingbrites?

Was thinking of getting 2 of these 240W lights for my 5'x3' grow:

https://kingbriteled.en.alibaba.com...l?spm=a2700.shop_plgr.41413.13.db567c11EWhZ8F