Ram issue for high levels.

Wall71

Wall71

Wall71

Associate
Joined
20 Oct 2018
Posts
3
Hello everybody.
I am about to buy new rams and i got one question which asked on several shops and none couldnt asnwer to me.
The question is that :
What is better to buy : a ram with high spd speed (ex. 2933 ) and then try to OC her
OR to buy a ram with (ex. 2133 spd speed) but already OCed by xmp on 3200 ?
And why ?
To be more spesific the issue is between G.skill Flare x cas 14 3200speed with xmp spd 2133
and G skill Flare x cas 16 2933 spd and normal speed too.
I ll also use a X470 Taichi as mobo and a ryzen Cpu.
Best regards !
 
Hi and welcome to the forums. :)

To get the best out of Ryzen you need fast memory and 3000-3200mhz is the sweet spot. The 3200mhz kit that you are considering is better than the 2933mhz kit in both speed and tighter timings. Not sure how compatible they are with the Ryzen platform though as it can be very picky.
 
Thank your respand and your answer.
I know that ryzen needs high speed rams , But still i cant understand why a 3200 OCed ram with 2133 spd Speed 16gb cas 14 costs -25$ than a Ram NOT OCed but with spd and normal speed 2933 cas 16 16gb same seireis of ram (flare x -g.skill). Spd speed is the base speed of ram or is the lowest speed that might ram caughts if fail the xmp ?
 
Wall71 said:
Thank your respand and your answer.
I know that ryzen needs high speed rams , But still i cant understand why a 3200 OCed ram with 2133 spd Speed 16gb cas 14 costs -25$ than a Ram NOT OCed but with spd and normal speed 2933 cas 16 16gb same seireis of ram (flare x -g.skill). Spd speed is the base speed of ram or is the lowest speed that might ram caughts if fail the xmp ?
Click to expand...

The 2933mhz CL16 kit is probably Hynix chips

and the 3200mhz CL14 will be Samsung B-Die, better for RyZen and more expensive chips

They are all 2133mhz, every DDR4 kit, then loaded with an XMP profile (factory overclocked) to there advertised speeds.
 
As said above. All DDR4 is rated (in the offical JEDEC spec) to a particular speed. Those speeds are all in the 2,000MHz range. Anything above that (eg 3,200MHz, 3,600MHz etc) are factory overclocks. The difference between the kits you're talking about is that one is guaranteed from factory to overclock to 3,200MHz using XMP/AMP profiles via the motherboard. The 2,933MHz kit are just that - rated to 2,933MHz. They may not overclock a single MHz let alone several hundred. They will have been pre-binned at the factory usually. So, in short you want Samsung B-Die RAM (like these) around 3,200MHz for Ryzen. These are guaranteed to operate at the stated speed and timings. The cheaper kits are only guaranteed to the displayed (lower) speed and may not overclock at all. Ryzen prefers Samsung B-Die memory.
 
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