A little advise on choosing RAM please.

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pumpjockey77

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Mar 27, 2015
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New pc build solely for gaming as follows:

cpu: i7-6700k
Board: Asus Maximus VIII HERO ATX
GPU: GTX 960 (already owned from previous rig)
Cooling: NZXT Kraken X61 Liquid
Case: Corsair 760T Full Tower
Storage: Samsung Pro Series 256GB plus HDD mass storage

Memory: Corsair Veng. LPX (4x8) DDR4-2666 OR G.Skill TridentZ (4x8) DDR4-3200


Is it even worth stressing over the minor differences in the DDR4 RAM kits or are the differences in performance going to be negligible? I'm don't want to go overboard and pay extra $$$ just for bragging rights.

I have no real interest in overclocking just yet. I picked that mobo and the liquid cooler just to keep my future options open...

Any knowledge dropped on me would be appreciated.
 
Solution
dark_lord69
"differences in performance going to be negligible?"
kinda... A high latency can slow you down though and there doesn't seem to be any hard limit on how high manufacturers will make the CL (aka latency, aka CAS Latency)

You can find out the REAL speed of ram by doing some math.

Ram speed = 3200
Divide 1 by your ram speed to get bit time in seconds.

1 / 3200 = .0003125 (Bit time in seconds)

Move the decimal 3 places to the right to get nano seconds. (or multiply by 1000)
.0003125 seconds = 0.3125 nano seconds

Lets assume the latency (CL or CAS Latency) is 16.
Multiple the latency by 2.
16 * 2 = 32
Then multiply that number by the bit time.
32 * 0.3125 = 10 nanoseconds

That final number will give you a more realistic idea of how...
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HappyGamer99

HappyGamer99

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May 27, 2015
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If the price difference is large it doesn't matter which RAM set you pick as on DDR4 the speed is so high anyways that you can not really see the difference especially in games. I wouldn't worry about it and pick the cheaper of the two.
Hope this helps! :)
 
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dark_lord69

dark_lord69

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Jun 6, 2006
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"differences in performance going to be negligible?"
kinda... A high latency can slow you down though and there doesn't seem to be any hard limit on how high manufacturers will make the CL (aka latency, aka CAS Latency)

You can find out the REAL speed of ram by doing some math.

Ram speed = 3200
Divide 1 by your ram speed to get bit time in seconds.

1 / 3200 = .0003125 (Bit time in seconds)

Move the decimal 3 places to the right to get nano seconds. (or multiply by 1000)
.0003125 seconds = 0.3125 nano seconds

Lets assume the latency (CL or CAS Latency) is 16.
Multiple the latency by 2.
16 * 2 = 32
Then multiply that number by the bit time.
32 * 0.3125 = 10 nanoseconds

That final number will give you a more realistic idea of how fast RAM really is.

But overall happygamer99 is right, typically go with the cheaper solution (as long as the latency isn't crazy high for it's rated speed) because the real world gaming differences are negligible.
 
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