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Article: AMD Ryzen DRAM Timings, Frequency and Ranks performance effect in games
The impact of memory timings and frequency on AMD Ryzen 3000 systems in games has been a topic of discussion. In this article, we'll zoom in on specifically that. The DDR4 memory controller is located in the processor's 12 nm I/O controller die. What's the game performance effect with frequencies, latencies, and ranks.
Read the article right here.
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squalles
Senior Member
Posts: 953
Joined: 2003-06-10
Senior Member
Posts: 953
Joined: 2003-06-10
#5801285 Posted on: 06/19/2020 05:45 PM
weird, this is the unique article in the world who shows 3733mhz not causing major improvements
weird, this is the unique article in the world who shows 3733mhz not causing major improvements
wavetrex
Senior Member
Posts: 2034
Joined: 2008-07-16
Senior Member
Posts: 2034
Joined: 2008-07-16
#5801286 Posted on: 06/19/2020 05:51 PM
This test is one year too late.. but better late then never, huh?
I've been touting on various forums (including this one) about optimized RAM settings on Zen 2 since launch last year, but usually hit a wall of fanboyism and naysayers and gave up.
DDR4-3800 CL16 1:1 can be achieved on some chips and not on others... Infinity Fabric silicon "lottery".
I am lucky that mine IS stable at IF = 1900 Mhz, and loving it with Crucial Ballistix Elite memory tuned to the edge.
1170
I also have 4 sticks, which enables Dual-Rank access, improving the performance that tiny bit further.
The effect of fast and tuned RAM is VERY noticeable in some applications (especially certain games), but also in various professional applications that use a lot of RAM in a chaotic fashion.
The opposite type of software that has no variance is Cinebench, which seems to fit inside the CPU cache resulting in no performance gains at all from faster RAM.
---------
@Hilbert Hagedoorn
It would be interesting to add another chart to compare, for example, a 3800X + PBO & scalar X7, with tuned RAM vs 10700K with 5Ghz OC (which probably anyone can achieve).
I'm quite sure the "gap" between the two is very tiny when not intentionally crippling AMD chip with default loose memory timings and low clocks.
This test is one year too late.. but better late then never, huh?
I've been touting on various forums (including this one) about optimized RAM settings on Zen 2 since launch last year, but usually hit a wall of fanboyism and naysayers and gave up.
DDR4-3800 CL16 1:1 can be achieved on some chips and not on others... Infinity Fabric silicon "lottery".
I am lucky that mine IS stable at IF = 1900 Mhz, and loving it with Crucial Ballistix Elite memory tuned to the edge.
1170
I also have 4 sticks, which enables Dual-Rank access, improving the performance that tiny bit further.
The effect of fast and tuned RAM is VERY noticeable in some applications (especially certain games), but also in various professional applications that use a lot of RAM in a chaotic fashion.
The opposite type of software that has no variance is Cinebench, which seems to fit inside the CPU cache resulting in no performance gains at all from faster RAM.
---------
@Hilbert Hagedoorn
It would be interesting to add another chart to compare, for example, a 3800X + PBO & scalar X7, with tuned RAM vs 10700K with 5Ghz OC (which probably anyone can achieve).
I'm quite sure the "gap" between the two is very tiny when not intentionally crippling AMD chip with default loose memory timings and low clocks.
Captain_Hook
Administrator
Posts: 93
Joined: 2018-04-17
Administrator
Posts: 93
Joined: 2018-04-17
#5801289 Posted on: 06/19/2020 05:57 PM
As I was for years using mainly the Intel, AMD Ryzen platform was a new experience for me (at least in making experiments in the RAM department) - so I've set it according to the SAFE recommendations from Ryzen DRAM Calculator for B-Die memories. So nothing spectacular here, as I would have to have spent much more time to dig into the super-hiper-best settings there.
Already this article took a couple of nights from my life (and I have a normal job + wife + 2 kids), please - have mercy on me, haha.
2% on average and 3.3% improvement is too low? Please show me the article where it's significantly better. How much should it be - 10%? (when you divide 3733/3600 you get 3.7% more) . Of course I'm comparing the 3733 CL16 vs 3600 CL16.
Can u add subtimings table pls?
As I was for years using mainly the Intel, AMD Ryzen platform was a new experience for me (at least in making experiments in the RAM department) - so I've set it according to the SAFE recommendations from Ryzen DRAM Calculator for B-Die memories. So nothing spectacular here, as I would have to have spent much more time to dig into the super-hiper-best settings there.
`d really appreciate if someone can experiment and make a summary.
Already this article took a couple of nights from my life (and I have a normal job + wife + 2 kids), please - have mercy on me, haha.
weird, this is the unique article in the world who shows 3733mhz not causing major improvements
2% on average and 3.3% improvement is too low? Please show me the article where it's significantly better. How much should it be - 10%? (when you divide 3733/3600 you get 3.7% more) . Of course I'm comparing the 3733 CL16 vs 3600 CL16.
Captain_Hook
Administrator
Posts: 93
Joined: 2018-04-17
Administrator
Posts: 93
Joined: 2018-04-17
#5801292 Posted on: 06/19/2020 06:01 PM
Back then I didn't even think about possessing the AMD Ryzen (in the primary PC I had an 8700K, now 9900K), so that can be shown as an excuse
This test is one year too late.. but better late then never, huh?
Back then I didn't even think about possessing the AMD Ryzen (in the primary PC I had an 8700K, now 9900K), so that can be shown as an excuse
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Senior Member
Posts: 1068
Joined: 2012-04-18
Very nice article indeed HH