Memory upgrade question 2133 DDR3 or 2400 DDR3

J

Jason2001

New Member
I have a computer with a Gigabyte GA-F2A78M-D3H (rev. 4.0) motherboard and in the manual it says it can take up to DDR3 2400 RAM, I am wanting to upgrade to 16GB of RAM and I am a bit confused, as I will in the next month or 2 also upgrade my processor from an AMD A4 6399 to an AMD A10 7890K. The AMD A10 7890k says it takes 2133 speed RAM, but has a built in GPU, I am wondering if I should get DDR3 2400 Ram, of if I should get DDR3 2133 RAM? I will be getting two 8GB sticks. There is virtually no price difference between 2133 and 2400 RAM, so price is not a concern. Would it be good to go ahead and get 2400 DDR3 in case AMD put out faster processors that are compatible with that speed RAM in the future for my motherboard?
 
6399? I assume you mean 6400k?

If there's no price difference you might as well just get the faster component.
 
Since they're the same price the higher speed RAM probably has a higher cas latency making it perform pretty much the same as the lower speed one.
 
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