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Zen and slower ddr4

eyetrip

eyetrip

eyetrip

Soldato
Joined
8 Nov 2006
Posts
9,237
While I know it is not yet released, I was wondering what people think about using slower ddr4 with it...

I have:
Corsair CMY32GX3M4A2133C11 Vengeance Pro Series 32GB (4x8GB) DDR3 2133Mhz CL11 XMP Performance Desktop Memory Kit Black/Silver

If it was worth sticking with that, I may consider moving from 4790k to an 8 core Zen.

If it will likely hold back the system noticeably , will likely just stick with the 4790k for some time longer.

It's for photo (hopefully again one day video, including 4k), gaming.
 
Personally,I think you will be fine - sure there might be some indications during reviews running out of spec 3000MHZ DDR4 will gain extra performance,but AFAIK Ryzen is probably rated officially at 2133MHZ/2400MHZ DDR4 as standard anyway. In the end if an 8 core Ryzen is outperforming your current CPU in the software you run with stock RAM,it will do the job.

However,with photographic work,from my own experience,the discs tend to be as much a limitation as anything else,so it might be worth optimising that part IMHO OFC.
 
eyetrip said:
While I know it is not yet released, I was wondering what people think about using slower ddr4 with it...

I have:
Corsair CMY32GX3M4A2133C11 Vengeance Pro Series 32GB (4x8GB) DDR3 2133Mhz CL11 XMP Performance Desktop Memory Kit Black/Silver

If it was worth sticking with that, I may consider moving from 4790k to an 8 core Zen.

If it will likely hold back the system noticeably , will likely just stick with the 4790k for some time longer.

It's for photo (hopefully again one day video, including 4k), gaming.
Click to expand...

All speculation.

It seems like Ryzen performance will fall somewhere between your DC chip and KB depending. If the memory isn't holding back the 4790K then chances are you'll be good with Ryzen.

Top and bottom is we don't know anything about Ryzen yet. We do know memory performance varies greatly from from chip to chip and system to system depends on what you're doing with the system. As CAT says disc performance would be a big factor in your case.
 
That is what I thought. The OP labelled the thread with DDR4 but used a DDR3 part number.
 
ns400r said:
That is what I thought. The OP labelled the thread with DDR4 but used a DDR3 part number.
Click to expand...

Oh hell. I'll put it down to a combination of pain and strong pain killers. For some reason I was thinking I had ddr4.

It is indeed ddr3 as is z97 chipset.

I've never been this out of date in pc's before :/
 
I think ddr4 is still much the minority. Isnt Zen dual not quad channel. For big multi core performance I thought they'd want quad channel, maybe some gains would come from high speed dual channel then
 
silversurfer said:
I think ddr4 is still much the minority. Isnt Zen dual not quad channel. For big multi core performance I thought they'd want quad channel, maybe some gains would come from high speed dual channel then
Click to expand...

I was surprised it was only dual-channel at first, although if you look up reviews of Haswell-E & Broadwell-E they don't seem to gain anything over the mainstream platform by having double the bandwidth.

I guess we'll find out soon if, say, 2400 MHz DDR4 is sufficient to drive 8 strong cores in things like editing and gaming (I'll be looking for reviews with titles in this article)
 
Is there much difference gaming with ddr4 2400 and say 3200, if it's only 1 or 2 fps I would be inclined to save a few quid and go with 2400
 
2133MHz isn't slow, 2133MHz/2400MHz are the 1333MHz/1600MHz of this generation. They may not be as fast as the overclocked sticks with 5 foot heat spreaders but they are faster than the slow chips and just like with DDR 1/2/3 it's unlikely you would ever notice the difference outside of benchmarks.
 
I'm currently on Z97 with 2x 4gb's of 2133 vengeance pro, When I move up to a ddr4 platform I'll be going with either 2 x 8gb's or 2 x 16gb's of ram with a 3000 mhz minimum, It makes sense to move up to faster ram now it's available with ddr4, There's been plenty of articles showing how the different speeds affect Skylake performance so I doubt there'll be much of a difference with Ryzen.
 
Just randomly saw a chart for DDR4 prices not in sterling but dollars and it indicated they had nearly doubled. I'd forgotten from years back just how far the ram prices can move, I believe its down to supply constraints. I got x99 and ddr4 in september so I got lucky there
Just a guess but if we know Zen is going to be good ahead of time, maybe buy the DDR4 earlier rather then later after the masses jump on the band wagon and start buying systems. Of course I dont know if ram makers already are redirecting production away from ddr3, I guess its more to do with mobile also now
 
Tempted to buy DDR4 right now because I can get it cheap, but I'm concerned for some reason it won't be compatible with Ryzen. It's pretty bog standard 3000mhz stuff though.
 
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