Comparing the two PUBG mobile weapons on the basis of caliber, the Groza has 7.26 while Aug A3 has 5.56. the rate of fire of Groza is heavier than that of the AUG A3. In a matter of damage, the Groza causes really heavy damage when compared to the damage of the AUG A3, though it is but not that good as the Groza. And their sound during firing is on par with their damage. So the Groza causes more noise than the other gun. The only thing that puts the AUG A3 higher than the Groza is stability while the Groza has heavy recoil the AUG A3 has decent recoil. So the AUG A3 is perfect for quiet and stealth strategy and works with medium to long ranges while the Groza is gun for wild fights and engaging enemies head-on.