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sbacchetta
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Posts: 141
Joined: 2015-12-21
#5801264 Posted on: 06/19/2020 04:43 PM
These recommendations are not going to be good for boards with Daisy chain layout (almost all X570).
Especially the 4 sticks with Dual Rank, hard to have them working with low timings and/or high clock.
Daisy chain board will pose problems with 4 sticks only at really high frequency (higher than the IF can go).
I have an aorus master (Daisy chain) with 4 stick of DR 16gb Samsung B die (64 total, need it for photo editing). it run perfectly at 3733 (1 to 1 if ratio) at Cl 16-16-16-16 (1.37v). And yes 8gb SR stick could probably go to cl 15 (maybe 14) but that's not because of the board layout but because of the stick themselves.
These recommendations are not going to be good for boards with Daisy chain layout (almost all X570).
Especially the 4 sticks with Dual Rank, hard to have them working with low timings and/or high clock.
Daisy chain board will pose problems with 4 sticks only at really high frequency (higher than the IF can go).
I have an aorus master (Daisy chain) with 4 stick of DR 16gb Samsung B die (64 total, need it for photo editing). it run perfectly at 3733 (1 to 1 if ratio) at Cl 16-16-16-16 (1.37v). And yes 8gb SR stick could probably go to cl 15 (maybe 14) but that's not because of the board layout but because of the stick themselves.
gerardfraser
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Joined: 2008-03-08
Senior Member
Posts: 3343
Joined: 2008-03-08
#5801272 Posted on: 06/19/2020 05:04 PM
Great article thank you, some good information in there.
people should read the conclusion and especially about resolution they are running.
Great article thank you, some good information in there.
people should read the conclusion and especially about resolution they are running.
mannix
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Posts: 70
Joined: 2010-12-07
Member
Posts: 70
Joined: 2010-12-07
#5801273 Posted on: 06/19/2020 05:05 PM
Daisy chain board will pose problems with 4 sticks only at really high frequency (higher than the IF can go).
I have an aorus master (Daisy chain) with 4 stick of DR 16gb Samsung B die (64 total, need it for photo editing). it run perfectly at 3733 (1 to 1 if ratio) at Cl 16-16-16-16 (1.37v). And yes 8gb SR stick could probably go to cl 15 (maybe 14) but that's not because of the board layout but because of the stick themselves.
The different board layout changes the termination; T-Topology is 50/50 while Daisy chain is about 75/25.
Doesn't change how low you can go with timings but how reliable they can work under borderline conditions, when you want to get the best out of them.
Running Samsung B-die at 3733 CL16 is super easy; but if you want to tighter the timings or raise the clock you'll reach the limit much before than with a T-Topology.
Good B-die can go down to 3800 CL12 but not DR, not 4 sticks in a Daisy chain.
If you have much cheaper RAM, like my G.Skill modules using Hynix DJR, stability problems will come out much earlier with lower speed and higher timings.
It's a good article but I'd like to see a comparison with a similar X470 with Daisy chain topology and also GDM enabled/disabled.
On my AORUS Master these G.Skill modules are faster in CL16 1T GDM-Enabled than CL15 1T GDM-Disabled.
Daisy chain board will pose problems with 4 sticks only at really high frequency (higher than the IF can go).
I have an aorus master (Daisy chain) with 4 stick of DR 16gb Samsung B die (64 total, need it for photo editing). it run perfectly at 3733 (1 to 1 if ratio) at Cl 16-16-16-16 (1.37v). And yes 8gb SR stick could probably go to cl 15 (maybe 14) but that's not because of the board layout but because of the stick themselves.
The different board layout changes the termination; T-Topology is 50/50 while Daisy chain is about 75/25.
Doesn't change how low you can go with timings but how reliable they can work under borderline conditions, when you want to get the best out of them.
Running Samsung B-die at 3733 CL16 is super easy; but if you want to tighter the timings or raise the clock you'll reach the limit much before than with a T-Topology.
Good B-die can go down to 3800 CL12 but not DR, not 4 sticks in a Daisy chain.
If you have much cheaper RAM, like my G.Skill modules using Hynix DJR, stability problems will come out much earlier with lower speed and higher timings.
It's a good article but I'd like to see a comparison with a similar X470 with Daisy chain topology and also GDM enabled/disabled.
On my AORUS Master these G.Skill modules are faster in CL16 1T GDM-Enabled than CL15 1T GDM-Disabled.
Captain_Hook
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Posts: 93
Joined: 2018-04-17
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Posts: 93
Joined: 2018-04-17
#5801278 Posted on: 06/19/2020 05:17 PM
Maybe a review from 1usmus before publishing would have been helpful
The Aorus X470 Gaming 7 WIFI is a board with T-Topology layout...
These recommendations are not going to be good for boards with Daisy chain layout (almost all X570).
Especially the 4 sticks with Dual Rank, hard to have them working with low timings and/or high clock.
Also it should have been mentioned Gear Down mode, what it means, what it does, etc
For most of the users it won't be a problem, as for the usual 3600 MHz, even the Daisy Chain MoBo will do good work with 4 sticks. It's not an extreme overclockers guide, but rather something for "Average Joe" type of guys.
Interesting... seems Zen2 is a lot less bandwidth-hungry than 1st gen.
Also, great to see the mins and average FPS. I hope to see that more in future benchmarks.
I'll try to follow that routine in the next reviews as well.
Great article thank you,
One of the most in depth I've seen and puts the memory argument to rest. Perhaps the only thing I would've like to see would've been minimum frames on 1440p but I assume the 1080p highlights that benefit that would partially translate to 1440p.
Much appreciated!
Thanks. 1440p would make it flatter, as usually, the GPU would be the bottleneck (even RTX 2080 Ti) in some of the games/scenarios.
Extremely interesting & I have to say excellent article, very in-depth credit to Krzysztof Hukalowicz for the time it woould have taken to gether all these results!
Thanks
Maybe a review from 1usmus before publishing would have been helpful
The Aorus X470 Gaming 7 WIFI is a board with T-Topology layout...
These recommendations are not going to be good for boards with Daisy chain layout (almost all X570).
Especially the 4 sticks with Dual Rank, hard to have them working with low timings and/or high clock.
Also it should have been mentioned Gear Down mode, what it means, what it does, etc
For most of the users it won't be a problem, as for the usual 3600 MHz, even the Daisy Chain MoBo will do good work with 4 sticks. It's not an extreme overclockers guide, but rather something for "Average Joe" type of guys.
Interesting... seems Zen2 is a lot less bandwidth-hungry than 1st gen.
Also, great to see the mins and average FPS. I hope to see that more in future benchmarks.
I'll try to follow that routine in the next reviews as well.
Great article thank you,
One of the most in depth I've seen and puts the memory argument to rest. Perhaps the only thing I would've like to see would've been minimum frames on 1440p but I assume the 1080p highlights that benefit that would partially translate to 1440p.
Much appreciated!
Thanks. 1440p would make it flatter, as usually, the GPU would be the bottleneck (even RTX 2080 Ti) in some of the games/scenarios.
Extremely interesting & I have to say excellent article, very in-depth credit to Krzysztof Hukalowicz for the time it woould have taken to gether all these results!
Thanks
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Kick ass write up! To see that today how things have changed where more does actually equal better?!?
I truly remember we're having more dimms populated could potentially impact gaming performance in a negative way. You had to have some fast ram to truly make the difference then.
@Krzysztof Hukalowicz great job putting this together and @Hilbert Hagedoorn of course.
This is quite a bit of information thank you so much guys.