the audionic will be loud as output is more.
but according to me,for movies and games go for creative because the audio quality provided by it is crystal clear.
so according to me the creative is the best option if its for gaming.
TOSHIBA Satellite L50-A00V will be better for gaming.
the links provided below are the comparison of the two system's gpu:
http://gpuboss.com/gpus/Radeon-HD-7670M-vs-GeForce-GT-740M
http://www.game-debate.com/gpu/index.php?gid=1076&gid2=654&compare=radeon-hd-7670m-2gb-ddr3-vs-geforce-gt-635m...