It's not stated in the first two graphs, but based on the following ones, it appears your 4-DIMM configuration also has twice the ram as the 2-DIMM configuration (32GB vs. 16). Wouldn't that give a potential performance boost that distorts the results? Also, as far as I know, you can also get a four-rank/dual channel configuration simply by using two sticks of dual-rank ram, no?This can give the four DIMM module configuration an advantage as it allows several open DRAM pages in each rank
you mean 4 dims/dual ranks ?So, 4 ranks are faster than 2 WHEN they run at the same speed, but that's not an answer to the question that most of your readers want an answer for: If the RAM isn't able to run at the same speed after adding 2 more ranks, will the system still be faster?
Right, exactly. But the article indicates it's hard to determine if they're dual rank, and anyway would be useful to see confirmation testing of 2 DIMM dual rank vs. 4 DIMM dual rank at same capacities...32GB modules very well may be dual-rank anyway. So unless you're using this on an (Intel) quad-channel mobo, you're may already be getting the benefits.
The previous generations of Ryzen have been very sensitive to RAM speed. I can't say the same yet for Ryzen 5000, but I imagine you'll see a performance hit.I was hoping to see the memory scaling performance all the way down to 2133mhz, for science.
My 5900x is going to be paired with my existing 64GB of 2400mhz RAM, hopefully without too much of a performance hit.
I think that is a fantastic idea to add Zen timing + voltage for the tuned setups if there is a future update on this article.Interesting, but honestly with the changes coming to fclk in the next agesa core, it is premature to make any recommendations on memory. 3600 is very slow by modern standards when more CPU's hit 2000mhz, or even 2100mhz fclk, 3600C16 is leaving a lot of performance on the table.
Also, could you post a "Zentimings" screenshot of your tuned memory profile and tell us at what voltage you are running? That would be very helpful in determining how "tuned" the sub-timings are.
For example, Is this a mildly tuned profile like you find in the Ryzen dram calc running moderate voltages (1.45ish), or is this a really tight tune running 1.7v?
Without that context of what you consider to be very tight sub timings it is hard to judge how insightful this article really is.
They do not support Quad channel. Go for 2x16GB to get dual rank memory as most are.Great article but I'm a little confused...
So dual rank setups provide better results for CPU and memory intensive scenarios. Which would suggest that 4x8GB single rank memory sticks is the way to go, since it would operate as dual rank, but at the end Steve recommends 2x8Gb (which are single rank sticks from what I found online). In the beginning of the article he states that two single rank sticks will always operate as single rank.
I get it that 16GB in total should suffice but that is beyond the scope. I also understand that at higher resolutions (1440p) which is what I'll be doing see a smaller difference. Is that why the 2 single rank 8GB sticks are being recommended?
I'm undecided if 2x16Gb (dual rank sticks) or 4x8Gb (single rank sticks) are the way to go. 2x16 would be nice as I could expand in the future but would adding an extra 2x16 to that 64 running as dual rank or quad rank?
Any help would be appreciated. Thanks a million.
My current planned setup is:
MSI Tomahawk x570
AMD Ryzen 5600x
M.2 Samsung 970 Evo 1tb
RAM is a big ?????
Thanks for your answer, however am I understanding this correctly?They do not support Quad channel. Go for 2x16GB to get dual rank memory as most are.
Don't over think it. Today's 16GB sticks are mostly dual rank so stick with 2 of those to be safe. A lot depends on individual motherboards and other factors like the article says...then yes you can upgrade later if desired and you will get either dual rank or quad rank but it still won't be quad channel.Thanks for your answer, however am I understanding this correctly?
- 2 single rank sticks = single rank
- 4 single rank sticks = dual rank
- 2 dual rank sticks = dual rank
- 4 dual rank sticks = dual rank (or is this quad rank??)
I know The MSI Tomahawk x570 doesn't support quad channel so I would gain no benefit if it is quad rank but is it quad rank if I use 4 dual rank sticks or does it remain dual rank?
Given your suggestion to go with 2x16GB I would imagine you are allowing future expansion with an extra 2x16 GB sticks? Is that the thinking behind your answer?