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RYZEN DDR4 MEMORY, WHAT YOU NEED TO KNOW!

So it's not bull, but the higher end Z270, that have all the same garb, uber capacitors made in Japan, and extra copper in the PCB, and extra special super doopah memory traces.... but have the same support for the same level of memory as the cheaper boards that don't have those features.

yet you're saying for Zen, you have to have the boards with those features, even though you never needed them before and don't currently need those features for those memory speeds on cheaper Intel boards? If they made a monumental difference because they are fundamentally so much better, they would absolutely make the difference between cheap and uber expensive Z270 boards... but they don't.
 
drunkenmaster said:
So it's not bull, but the higher end Z270, that have all the same garb, uber capacitors made in Japan, and extra copper in the PCB, and extra special super doopah memory traces.... but have the same support for the same level of memory as the cheaper boards that don't have those features.

yet you're saying for Zen, you have to have the boards with those features, even though you never needed them before and don't currently need those features for those memory speeds on cheaper Intel boards? If they made a monumental difference because they are fundamentally so much better, they would absolutely make the difference between cheap and uber expensive Z270 boards... but they don't.
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There's no tinfoil here. High end Z270 boards hit as high as 4200, 4 DIMM 4133. Lower SKU do not go that high. So I'm not sure why you're implying that's the case. It's obviously not just trace alone, but all these things help with impedance issues.

With all that said, you still need to see some valid results on the current crop, even reviews likely won't cover this at any depth as these things can take time.
 
drunkenmaster said:
So it's not bull, but the higher end Z270, that have all the same garb, uber capacitors made in Japan, and extra copper in the PCB, and extra special super doopah memory traces.... but have the same support for the same level of memory as the cheaper boards that don't have those features.

yet you're saying for Zen, you have to have the boards with those features, even though you never needed them before and don't currently need those features for those memory speeds on cheaper Intel boards? If they made a monumental difference because they are fundamentally so much better, they would absolutely make the difference between cheap and uber expensive Z270 boards... but they don't.
Click to expand...

As you say, is there any point running the memory at very high speeds? I know on my Skylake at almost 4.8Ghz anything after 3000Mhz is questionable.
 
Silent_Scone said:
There's no tinfoil here. High end Z270 boards hit as high as 4200, 4 DIMM 4133. Lower SKU do not go that high. So I'm not sure why you're implying that's the case. It's obviously not just trace alone, but all these things help with impedance issues.

With all that said, you still need to see some valid results on the current crop, even reviews likely won't cover this at any depth as these things can take time.
Click to expand...

So first support for higher memory speeds as standard on the motherboard is only available on higher end motherboards, I show they are consistently available on cheaper motherboards, now it's well if you overclock well beyond the rated specs... so which is it.

That cheap Z270 supports out of the box 3733Mhz, as does the expensive board, you were implying that to get 3200Mhz support you'd HAVE to pay for it, and in the context of this discussion, that means having to pay £250 for a mobo to get at all decent memory speeds.

As for overclocking beyond 3733Mhz, firstly very few do it at all, second I haven't looked into it, but so many people waste money on the higher end boards so it's simply hard to find people who are overclocking the cheaper boards at all. LIkewise those who can afford to put money down on 4000Mhz+ memory are much more likely to buy a correspondingly high priced motherboard. But you're talking about 3000-3200Mhz memory which is pretty cheap, very cheap in comparison to 4000Mhz+ memory.

The simple fact is, I've proven that the kinds of speeds like 3733Mhz are the max the high end boards support and the lower end boards support the same memory speeds. So if the £250 boards support 3200Mhz memory it's very likely that £100 boards will do as well.
 
drunkenmaster said:
So first support for higher memory speeds as standard on the motherboard is only available on higher end motherboards, I show they are consistently available on cheaper motherboards, now it's well if you overclock well beyond the rated specs... so which is it.

That cheap Z270 supports out of the box 3733Mhz, as does the expensive board, you were implying that to get 3200Mhz support you'd HAVE to pay for it, and in the context of this discussion, that means having to pay £250 for a mobo to get at all decent memory speeds.

As for overclocking beyond 3733Mhz, firstly very few do it at all, second I haven't looked into it, but so many people waste money on the higher end boards so it's simply hard to find people who are overclocking the cheaper boards at all. LIkewise those who can afford to put money down on 4000Mhz+ memory are much more likely to buy a correspondingly high priced motherboard. But you're talking about 3000-3200Mhz memory which is pretty cheap, very cheap in comparison to 4000Mhz+ memory.

The simple fact is, I've proven that the kinds of speeds like 3733Mhz are the max the high end boards support and the lower end boards support the same memory speeds. So if the £250 boards support 3200Mhz memory it's very likely that £100 boards will do as well.
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Have you tried hitting over 3600 on a low end Z270 board? They don't support the same speeds. Like I said, you're comparing two different platforms. Which one hits what speed at what price point is not directly comparable. Things like impedance missmatching are at their most testing when the platform is pushed to the hilt.

To prove your point you would need to purchase a low end AM4 board and show some stability results at 3000 and higher.
 
CAT-THE-FIFTH said:
Apparently is a fake according to a poster over on AT forums.
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Ah well, we can test ourselves soon enough I hope. Tweaking RAM might be all I can do the first few weeks if I have no mounting bracket for the liquid cooler and have to use an ancient AM3 clip on tiny one! ;)


I went for some 3733 with the idea that it should also be good for lower voltages/timings at lower speeds if the extra frequency is not useful.
 
Nemesis.ie said:
Ah well, we can test ourselves soon enough I hope. Tweaking RAM might be all I can do the first few weeks if I have no mounting bracket for the liquid cooler and have to use an ancient AM3 clip on tiny one! ;)


I went for some 3733 with the idea that it should also be good for lower voltages/timings at lower speeds if the extra frequency is not useful.
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Well in the past some of the AMD CPUs have been rather sensitive to latency,rather than just pure clockspeed. I just hope reviewers explore both avenues.
 
I have bought some G.Skill Ripjaws V DDR4 RAM 16GB - 3200MHz (F4-3200C14D-16GVR) for £140 I like the CAS 14 latency although I believe that clock frequency is more important than CAS. If not, maybe these will clock at 2666Ghz at tighter settings. I will probably get a CH6 or Prime Pro mobo with a RYZEN 5.
 
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looking at a local second hand site the weekend i found a guy local to me selling 2x8gb kingston fury 2400mhz for £85 still sealed in the packaging, would have liked faster but seemed a good enough price to take a punt on and see me through for a while
 
Nelly said:
Why didn't AMD just send out the Asus Crosshair VI Hero with the 3000MHz Hynix kits as part of the AMD Ryzen test kit box that reviewers have received, instead of sending them all the Gigabyte Aorus GA-AX370-Gaming 5? AMD must be pretty confident that it will pass all the tests without fault. Like I mentioned, someone who has this is already testing it with higher rated RAM running without any changes to the BIOS.
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Pauls Hardware did an unboxing and said that reviewers were shipped one of 3 motherboards, the Gaming 5, Crossair Hero and MSI X670 XPower. They shipped the CPU and motherboards blind in a really nice walnut case so they wouldn't know which reviewer got which mobo (https://www.youtube.com/watch?v=JaTvSI0K_vA)

@AMDRyzen also tweeted a short while ago "its #MemoryOverclockMonday so here's the Ryzen 7 1700 running DDR4-3400. Enjoy!" I don't think there will be issues running memory higher than 3000MHz once the stable BIOS's become available.
 
I will be using a Crucial 32 GB (8 GB x 4) DDR4 2133 kit, It’s the generic green stuff I got when I first got my X99. I don’t think RAM speed will have much real world effect, it did not with my X99.
 
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