g skill sniper ram 2 4gigs or corsair vengeance 8gig

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cmichaels119
I agree, from those two choices I would pick the snipers. Also, stay away from loading 1 DDR3 channel with a big stick like that 8 gig stick you are looking at. Always use 2 rather than one to take advantage of dual channel. Also, I would move towards 1600 clocked sticks instead of 1866. RAM performance is based on clock AND CAS latency. I would look for a pair of 4 gig sticks with 1600 and a lower CAS latency (the first number in the timings listed)

Think of clock is how many actions can happen in a given amount of time, CAS latency is how many actions it takes to get data from a memory address on the stick. So if you are running at a higher clock but the stick takes 10 actions to get data from an address(CAS 10) then you are not...
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cmichaels119

cmichaels119

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Dec 27, 2013
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I agree, from those two choices I would pick the snipers. Also, stay away from loading 1 DDR3 channel with a big stick like that 8 gig stick you are looking at. Always use 2 rather than one to take advantage of dual channel. Also, I would move towards 1600 clocked sticks instead of 1866. RAM performance is based on clock AND CAS latency. I would look for a pair of 4 gig sticks with 1600 and a lower CAS latency (the first number in the timings listed)

Think of clock is how many actions can happen in a given amount of time, CAS latency is how many actions it takes to get data from a memory address on the stick. So if you are running at a higher clock but the stick takes 10 actions to get data from an address(CAS 10) then you are not necessarily getting better performance.
 
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firo40

firo40

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Jul 16, 2011
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Yeah but its proven higher frequencys always benefit more then tighter timing which makes 1866 better in the long run with that cpu. And the internal memory controller even suppourts 1866 natively, which doesnt void the warranty like previous generations of processors.But when you do get your ram make sure its 2 sticks dual channel is alot better.
 
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cmichaels119

cmichaels119

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Dec 27, 2013
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Considering DDR3 1866 = 933 Clock speed.
933,000,000 cycles per second. 933,000,000/10 = 93,300,000
800,000,000 cycles per second. 800,000,000/7 = 114,285,714

Where the total is expressed in the number of random memory accesses per second. How do you figure higher frequency is always better? For sequential memory access yes there will be better performance with the higher clock, but for anything else nope.
 
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cmichaels119

cmichaels119

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Dec 27, 2013
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You will see better overall performance with the lower CAS latency. I'm not discounting clock speed, simply stating that its unwise to discount CAS latency in favor of higher clock speed as the Sniper stick posted above does.
 
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Tradesman1

Tradesman1

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Jun 5, 2013
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It's a combination of the two, while 1600/10 has a lower CAS than say 2400/11 the 2400/11 equates to a 1600/8 stick - for performance sticks look to 1600/7, 1866/8, 2133/9, 2400/10 or any of those freqs with an even tighter CL here you have 1866/9 vs 1600/10 so not only do the 1866 perform more actions in a given period of time each action encompasses using more DRAM (Bandwidwith) the 1866 sticks should easily run at 1600/8 which is much faster at 1600 also
 
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