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8GB 2x4 VS 8GB 4x2

I know this is probably a redundant question but i really just want to make sure i get the best for what i am buying. Basically i just want to know if having 16 GB (2)2X4GB or (2)4x2GB would benefit me better. I am new to building computers so any helpful information would be great.

CORSAIR Vengeance 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1866 (PC3 15000) vs CORSAIR Vengeance 8GB (4 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600

ASUS P9X79 PRO LGA 2011 Intel X79
Intel Core i7-3820 Sandy Bridge-E 3.6GHz (3.8GHz Turbo Boost) LGA 2011 130W Quad-Core
SAPPHIRE 100351SR Radeon HD 7970
CORSAIR Hydro Series H100
CORSAIR GS800 800W PSU
WD VelociRaptor WD6000HLHX 600GB 10000 RPM 32MB
Corsair Graphite Series 600T
4 answers Last reply Best Answer
More about 8gb 2x4 8gb 4x2
  1. 2x4GB, less stress on the MC (memory controller)
  2. I thought that X79 was quad channel so would benefit from four sticks? Or is it not enough in real life to matter?
  3. Best answer
    Less modules, less workload for memory controller = better timings and more stable OC's

    So for 1155, 1150 that's dual channel, so 2 x 4GB

    On X79 / quad channel, I'd be using 4 x 4GB

    I couldn't justify the cost increase of X79 w/o also being able to not justify < 16 GB
  4. Was also looking in your instance of 1866 vs 1600, the greater bandwidth should over ride the base of quad in this instance
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