ddr3 ram upgrade

ashmal

Reputable
Oct 15, 2014
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I'm going to update my laptop to 8GB ram
Its currently 3gb DDR3 1333mhz CL7
my laptop motherboard only supports 1333mhz ram

so what I want to know is;
Would there be any big difference between CL7 and CL9? (I know what clock latency is but would there be any difference in actual gaming performance)
Is Samsung a good manufacture of ram?