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G.SKILL Trident Z RGB (For AMD) 16GB (2 x 8GB) 288-Pin DDR4 SDRAM DDR4 3600 (PC4 28800) Desktop Memory Model F4-3600C18D-16GTZRX $144.99

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Should work on Intel as well. Normally over $200.

https://www.newegg.com/Product/Pr...6820232728
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Created 11-21-2018 at 01:51 AM by jgrossmac
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#2
Latency is 18....
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#3
Quote from Rocksoup
:
Latency is 18....
On AMD Ryzen / Threadripper the speed of the infinity fabric (basically the interconnect between the individual CPU "cores") runs at half the speed of the RAM. So the higher frequency, the better overall performance regardless of latency. 3600 C18 will be faster than 3200 C14

Also generally speaking even on Intel higher frequency is better for performance than lower frequency even with tighter timings.
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#4
Quote from Dopamin3
:
On AMD Ryzen / Threadripper the speed of the infinity fabric (basically the interconnect between the individual CPU "cores") runs at half the speed of the RAM. So the higher frequency, the better overall performance regardless of latency. 3600 C18 will be faster than 3200 C14

Also generally speaking even on Intel higher frequency is better for performance than lower frequency even with tighter timings.
Didn't know that. Thanks for the info !!

correct me if I'm wrong but it will do fine with a hero vii with 2700x.
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#5
Quote from Rocksoup
:
Didn't know that. Thanks for the info !!

correct me if I'm wrong but it will do fine with a hero vii with 2700x.
Quote from Rocksoup
:
Didn't know that. Thanks for the info !!

correct me if I'm wrong but it will do fine with a hero vii with 2700x.
https://www.gskill.com/en/configurator

Yea you can always check G.Skill RAM configurator. Should be fine unless you get really unlucky and have a terrible IMC (integrated memory controller) on the CPU in which case you could probably still run something like 3466 C17 or 3200 C16 something like that.
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#6
Quote from Dopamin3
:
On AMD Ryzen / Threadripper the speed of the infinity fabric (basically the interconnect between the individual CPU "cores") runs at half the speed of the RAM. So the higher frequency, the better overall performance regardless of latency. 3600 C18 will be faster than 3200 C14

Also generally speaking even on Intel higher frequency is better for performance than lower frequency even with tighter timings.
Source on intel being faster with tighter timings?

Every time I find an article, it seems intel ram benchmarks change depending on benchmark. So for one game certain ram will be faster, for a different game other tlram speeds and timings will be faster...
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#7
Quote from Rocksoup
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Didn't know that. Thanks for the info !!

correct me if I'm wrong but it will do fine with a hero vii with 2700x.
That's my exact setup, and no, it won't. X470 ddr4 stability tops out at 3466, no matter what you get. It's either hardware limited or AGESA limited. I don't know which, but that's the reality. You just drop the timings a tick lower at 3466 and it's stable. At 3600, you'll get bios resets. And expect the ram to need 1.38-1.40 volts above 3200.

The Asus C7H has tested presets(Stilt) for each frequency, so you won't have to mess with it as long as 3466 is the target. Another thing is that with XMP(3600), the subtimings do not carry over. You have to enter it manually. But I believe that's true for all ryzen mobo's.

The best ram kit for ryzen that I've found is the g.skill Flare X at cas 14. But it's craptastically expensive. This kit above is decent, but it's not as flexible/plug n play as the 3600 would suggest.
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Last edited by Jack6457 November 21, 2018 at 08:17 AM.
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#8
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The best ram kit for ryzen that I've found is the g.skill Flare X at cas 14. But it's craptastically expensive.
Not that much more $180 for 16GBs: https://www.newegg.com/Product/Pr...6820232530
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#9
Ram already going back up?? Lol
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#10
Looking to pair this with Ryzen 2600x and ASRock X470 Master SLI/AC AM4 AMD Promontory. Any thoughts on this setup?
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#11
Wish 32GB (2x 16GB) is on sale again...
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#12
Quote :
Quote from Jack6457
:
That's my exact setup, and no, it won't. X470 ddr4 stability tops out at 3466, no matter what you get. It's either hardware limited or AGESA limited. I don't know which, but that's the reality. You just drop the timings a tick lower at 3466 and it's stable. At 3600, you'll get bios resets. And expect the ram to need 1.38-1.40 volts above 3200.

The Asus C7H has tested presets(Stilt) for each frequency, so you won't have to mess with it as long as 3466 is the target. Another thing is that with XMP(3600), the subtimings do not carry over. You have to enter it manually. But I believe that's true for all ryzen mobo's.

The best ram kit for ryzen that I've found is the g.skill Flare X at cas 14. But it's craptastically expensive. This kit above is decent, but it's not as flexible/plug n play as the 3600 would suggest.
Jack6457That's my exact setup, and no, it won't. X470 ddr4 stability tops out at 3466, no matter what you get. It's either hardware limited or AGESA limited. I don't know which, but that's the reality. You just drop the timings a tick lower at 3466 and it's stable. At 3600, you'll get bios resets. And expect the ram to need 1.38-1.40 volts above 3200.

The Asus C7H has tested presets(Stilt) for each frequency, so you won't have to mess with it as long as 3466 is the target. Another thing is that with XMP(3600), the subtimings do not carry over. You have to enter it manually. But I believe that's true for all ryzen mobo's.

The best ram kit for ryzen that I've found is the g.skill Flare X at cas 14. But it's craptastically expensive. This kit above is decent, but it's not as flexible/plug n play as the 3600 would suggest.
Just because it doesn't work for you, doesn't mean it won't work for others. Motherboard does play a role especially as AGESA updates have progressed; but ultimately the biggest factor is the strength of your CPU's IMC. 2nd Gen Ryzen officially support 2933mhz IIRC? Maybe 2667mhz. It's all silicon lottery. Maybe your CPU has a poor memory controller and can't go past 3466mhz. But it should work for some / most people and especially people willing to tweak.

I have a 2 x 16GB kit of Samsung B Die (3200mhz C14). My 1700X surprisingly had a better IMC than my 2700X. I could do 3466mhz on 1700X and only 3333mhz on 2700X. All silicon lottery. I bet you could get to 3600mhz with the right settings like subtimings and especially tweaking VDDP and VCCIO voltages.

Same premise on why the same model of anything all behave differently. Take 10 of the same model graphics card- they will achieve different stable core and memory overclocks. Take 10 different 2700X, they could differentiate slightly but saying 3466mhz is the highest you can go on AM4 (whether first or second gen Ryzen) is rubbish.

Also 1.38v in the BIOS or software might not be 1.38v. Have to test with a multimeter (although the C7H has more accurate readings than most.) 1.38v is baby voltage and you can easily run 1.5v 24/7 with limited airflow in the case. You can even go higher than that with better airflow but it gets to a point of diminishing returns on pushing crazy RAM volts.
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Last edited by Dopamin3 November 21, 2018 at 12:24 PM.
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#13
Quote from HisLordship
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Source on intel being faster with tighter timings?

Every time I find an article, it seems intel ram benchmarks change depending on benchmark. So for one game certain ram will be faster, for a different game other tlram speeds and timings will be faster...
No, I was saying Intel is generally better in performance with having higher frequency and looser timings, as opposed to lower frequency and tighter timings. Also "generally" because as you suggested it could vary between games or programs.
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#14
Quote from Dopamin3
:
Just because it doesn't work for you, doesn't mean it won't work for others. Motherboard does play a role especially as AGESA updates have progressed; but ultimately the biggest factor is the strength of your CPU's IMC. 2nd Gen Ryzen officially support 2933mhz IIRC? Maybe 2667mhz. It's all silicon lottery. Maybe your CPU has a poor memory controller and can't go past 3466mhz. But it should work for some / most people and especially people willing to tweak.

I have a 2 x 16GB kit of Samsung B Die (3200mhz C14). My 1700X surprisingly had a better IMC than my 2700X. I could do 3466mhz on 1700X and only 3333mhz on 2700X. All silicon lottery. I bet you could get to 3600mhz with the right settings like subtimings and especially tweaking VDDP and VCCIO voltages.

Same premise on why the same model of anything all behave differently. Take 10 of the same model graphics card- they will achieve different stable core and memory overclocks. Take 10 different 2700X, they could differentiate slightly but saying 3466mhz is the highest you can go on AM4 (whether first or second gen Ryzen) is rubbish.

Also 1.38v in the BIOS or software might not be 1.38v. Have to test with a multimeter (although the C7H has more accurate readings than most.) 1.38v is baby voltage and you can easily run 1.5v 24/7 with limited airflow in the case. You can even go higher than that with better airflow but it gets to a point of diminishing returns on pushing crazy RAM volts.
Anyone who's going over 3466 on ryzen knows about B die, knows about timings , and has zero need to ask about ram. Telling someone its possible to hit 3600 on ryzen without saying just how unlikely it really it is more rubbish than just saying it's just not possible. The effort and time as well as luck of the draw on agesa bios version and imc added in means 3466 is pretty much the top end general consumers should expect. Even then tons of chip specially first gen chips struggle and top out at 3200 unless you relax the timings past the point where it even makes sense. Tighter timings on lower speed have also proven to be faster so while 3600c18 has the bandwidth advantage to 3200cl14 it won't compare favorably to 3200cl12/11 with stilts sub timings.
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#15
Well holy crap. For the layman, I want a good setup for gaming and streaming and all the confusion about mobo/cpu/ram compatibility has me ... confused. If I'm willing to spend $700 dollars (excluding GPU of course) what's a good trio combo of parts to buy?
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