would running 400x6 or 400x7 be hotter than 375x8? im currently on 375x8 at 1.281volts in bios on ds3r. wanting to reach 400fsb but if its gonna make more heat then ill give up now.

p35-ds3r
2gb gskill pc6400 (cheap stuff) 1.8v (max 2.0v)
e4300 375x8 1.281v (max 388x6 at stock volts on p35-s3)
8800gts 320