[dvhardware] AMD Ryzen has issues with high-frequency DDR4, fix expected in 1-2 months - Page 21 - Overclock.net - An Overclocking Community

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[dvhardware] AMD Ryzen has issues with high-frequency DDR4, fix expected in 1-2 months

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post #201 of 563 (permalink) Old 02-26-2017, 07:37 AM
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You pulling trigger on ryzen?

On RAM yes. Its not going to get any cheaper. Just waiting to either get a good ITX MB or just go ATX and buy a new Case.

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post #202 of 563 (permalink) Old 02-26-2017, 07:58 AM
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I do not understand why ppl are upset. Omg my intel board can do blah blah blah. Ok cool so far ryzen is still performing amazing with slower ram.... so if the performance is there who cares? If ryzen matched intel with only 800mhz ram who cares? If the overall performance is not lacking it is a non issue.
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post #203 of 563 (permalink) Old 02-26-2017, 08:13 AM
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I do not understand why ppl are upset. Omg my intel board can do blah blah blah. Ok cool so far ryzen is still performing amazing with slower ram.... so if the performance is there who cares? If ryzen matched intel with only 800mhz ram who cares? If the overall performance is not lacking it is a non issue.

The issue is that Ryzen is able to do very well in terms of memory overclocking during the right conditions, but it's arbitrarily limited because of locked options and missing implementations from AMD. It's all fixable by future firmware updates however, just a matter of what they've been prioritizing for launch.
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post #204 of 563 (permalink) Old 02-26-2017, 08:39 AM
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post #205 of 563 (permalink) Old 02-26-2017, 08:54 AM
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http://m.imgur.com/a/inXFN

 

 

I love how people still continually say memory speed doesn't matter, or how it will be any different on RyZen compared to Intel.

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post #206 of 563 (permalink) Old 02-26-2017, 09:01 AM
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I love how people still continually say memory speed doesn't matter, or how it will be any different on RyZen compared to Intel.

They do not know how to test. You can not take a GPU limited game / resolution and test for memory speed difference. You have to make the game CPU limited and then you see memory making huge difference.
There are cases like FX CPU because of terrible memory controller where faster ram does nothing.

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post #207 of 563 (permalink) Old 02-26-2017, 09:07 AM
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I love how people still continually say memory speed doesn't matter, or how it will be any different on RyZen compared to Intel.

Memory performance matters where memory performance is a bottleneck and we have no idea if memory scaling will be significantly different on RyZen vs. Intel or not because there has been no remotely detailed investigation of RyZen's memory subsystem, yet.

That graph doesn't really say much. Indeed, the most standout aspect of it is that scaling is precisely the opposite of what one would expect...gains are increasing faster than the clock speed of the memory...which doesn't make any sense at all. As you alleviate a bottleneck, you run into diminishing, not accelerating, returns.

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post #208 of 563 (permalink) Old 02-26-2017, 09:08 AM
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I love how people still continually say memory speed doesn't matter, or how it will be any different on RyZen compared to Intel.

Kind of like how people keep saying you dont need more then 4 cores for gaming...

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post #209 of 563 (permalink) Old 02-26-2017, 09:12 AM
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go look at z270 msi boards on msi website. they have the same scaling or marketing picture up to 4000mhz. lol
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post #210 of 563 (permalink) Old 02-26-2017, 09:21 AM
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http://m.imgur.com/a/inXFN


I love how people still continually say memory speed doesn't matter, or how it will be any different on RyZen compared to Intel.

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Quote:
Originally Posted by dmasteR View Post


I love how people still continually say memory speed doesn't matter, or how it will be any different on RyZen compared to Intel.

They do not know how to test. You can not take a GPU limited game / resolution and test for memory speed difference. You have to make the game CPU limited and then you see memory making huge difference.
There are cases like FX CPU because of terrible memory controller where faster ram does nothing.

That's not correct in my experience with the FX , for example going from Cl 6 1600 mhz to cl 12 2400 mhz ram will gain about the exact same percentage as shown in the slide above in futuremark's api feature test draw calls. ( 780ti )
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