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MAXimum01

Whats better RAM?

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Posted · Original PosterOP

Whats better out of 4000Mhz cl18 or 3600Mhz cl16? i will put this on a b450m Mortar Max...

 

Note that the 4000Mhz is $25 cheaper. Ill be running a Ryzen 7 3700X and Gigabyte rx 5700 xt

 

Thanks, Max

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I think that 3600 cl16 is the better choice here, because ryzen barely benefits from clockspeeds that high, the tighter timings will suit the ryzen chip better.

As an option, you could get the 4000mHz dimms and downclock them with tighter timing, so you might be able to match 3600 cl16.

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Go for the 4000Mhz the mobo support it


CPU:i7 9700k 5047.5Mhz All Cores Mobo: MSI MPG Z390 Gaming Edge AC, RAM:Corsair Vengeance LPX 16GB 3200MHz DDR4 OC 3467Mhz GPU:MSI RTX 2070 ARMOR 8GB OC Storage:Samsung SSD 970 EVO NVMe M.2 250GB, 2x SSD ADATA PRO SP900 256GB, HDD WD CB 2TB, HDD GREEN 2TB PSU: Seasonic focus plus 750w Gold Display(s): 1st: LG 27UK650-W, 4K, IPS, HDR10, 10bit(8bit + A-FRC). 2nd: Samsung 24" LED Monitor (SE390), Cooling:Fazn CPU Cooler Aero 120T Push/pull Corsair ML PRO Fans Keyboard: Corsair K95 Platinum RGB mx Rapidfire Mouse:Razer Naga Chroma  Headset: Razer Kraken 7.1 Chroma Sound: Logitech X-540 5.1 Surround Sound Speaker Case: Modded Case Inverted, 5 intake 120mm, one exhaust 120mm.

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Posted · Original PosterOP
Just now, Constantin said:

Go for the 4000Mhz the mobo support it

Yeah maybe i will. Thanks. But ive heard AMD doesn't benefit as much from Mhz that CAS latency

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Posted · Original PosterOP
Just now, Mephi00 said:

I think that 3600 cl16 is the better choice here, because ryzen barely benefits from clockspeeds that high, the tighter timings will suit the ryzen chip better.

As an option, you could get the 4000mHz dimms and downclock them with tighter timing, so you might be able to match 3600 cl16.

Im not that knowledgeable about RAM but i dont think the G.Skill Ripjaws V 16GB (2x8GB) 4000MHz CL18 DDR4 can down-clock to cl16? even at $25 more you'd say go for the 3600Mhz

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You're not telling us enough about the kits for us to tell you for sure.  If that 4000CL18 kit is a Hynix CJR kit then it runs faster, but you won't get the tightest timings.  If that 3600CL16 kit is Samsunb b-die then get that over the Hynix CJR kit as it will have better odds of getting the tightest timings and you won't want to run 4000MHz RAM speed.

 

If you're going for the fastest speed you can you will also want the fastest IF (Infinity Fabric) speed on the CPU as well.  What that means is you'll likely not be able to run RAM speed faster than 3800MHz and 3733MHz is more likely.  That's because 1900MHz IF (or most likely a little slower) is the limit for the majority of people.  Do note though that many folks struggle to get 1900MHz IF stable and I'm only saying it because its a nice round number.  


AMD Ryzen 2700X  |  Fractal Design S36 360 AIO w/6 Corsair SP120L fans  |  Asus Crosshair VII WiFi X470  | G.SKILL TridentZ 3636MHz 14-15-14-28 2x8GB  | EVGA 1070 Ti SC GAMING ACX 3.0 Black  |  Samsung 970 EVO M.2 NVMe 500GB - Boot Drive  |  Samsung 850 EVO SSD 1TB - Game Drive  |  Seagate 1TB HDD - Media Drive  |  EVGA 650 G3  | Thermaltake Core P3 Case 

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