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**AMD 5700 X3D Owners CLub**

This is what I have but it's currently out of stock.
I had a look earlier and personally I would go for the Team Group 8Pack RIPPED Edition 16GB (2x8GB) DDR4 PC4-28800C14 that's linked.
CL14 vs CL18 would give a more noticeable difference although hard to say now with X3D.

Cost per frame the Corsair kit may be the better option (just guessing here really), but trying to get the most out of AM4 on a sensible budget I'd spend the extra £15 for the peace of mind (if it were in stock...)
 
Hello All,

I'm after a little advise for RAM to pair with 5700X3D.

I was stuck between Corsair Vengeance 32GB 3600 CL16 or 3600 CL18?
Is it worth the price difference? Is there other RAM you could recommend?

Thanks
Sam

Go with what fits your use case and budget, X3D doesn't benefit significantly with higher RAM MT/s (ie MHz) and low latency. The 5800X3D HUB review , check game FPS results, another video by HUB link. You'll find plenty of owners shares on say Reddit r/AMD also echoing that.

Thank you for the replies.

Yes I do remember with 1st or 2nd Gen of Zen, they could be picky on the RAM. I wasn't sure if it was still that case.

Thanks
Sam

1000 series was Samsung B die, 2000 series again was Samsung B die, by 3000 series there were plenty of options.

IMO some times choosing which RAM IC to go for is not about what MT/s and timings the RAM IC reaches. I went through several sets of DDR4 RAM when tinkering with Ryzen AM4 1000/2000/3000/5000 and Threadripper 1000/2000. I kept a set of Micron E, as they were less temperature sensitive then Samsung B die. I did keep a set of Samsung B die as well, for differing reasons.

So save your £ by getting the RAM kit that fits your needs, use the saved £ for some other piece of hardware you may actually see better benefit or save £ for future hardware.
 
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Well mine arrived yesterday bang on eta.

Amazing a company in the far flung comer of the world can ship to me in NI for free, while most mainland UK companies can’t/won’t or charge a fortune (relatively speaking) to deliver here.

Anyway, dipstick me didn’t think to order up more coolant to refill my loop so will probably be next weekend before I get to switch over. It’s probably sad that at almost 50 years of age that still upsets me as I’m itching to get it installed and have a tinker. What’s worse is it’s going to be bottle necked to buggery anyway until I upgrade my gpu (vega64) :cry:
 
My 5700X3D has batch number is BR 2349PGS. The IMC is pretty good IMO, only had one other ZEN3 out of the several I've tinkered with that better it.

I installed it 29th Nov, rig hasn't had any down time. Been just running benches/stability tests/folding@home (CPU/GPU).

Current profile has been up for ~22hrs and still going error free. In that time it has done Kahru RAM Text 3200%, folding@home 4hrs, Kahru RAM Text 2775%, Y-Cruncher 1hr, Kahru RAM Text 3030%, folding@home 9hrs, Kahru RAM Text 3030%. May now pause RAM test, set CB24 for 30min multi core. This imgur album has FAH 9hrs screenie from current profile. CPU did pass at lower SOC/VDDG plenty of tests (not all screenie in album), but around the 15/20hrs uptime would exhibit a few errors in Kahru RAM Test.
 
Thanks for sharing. By IMC I presume you mean flck? Are you using curve optimiser? I presume so due to 107W max draw.

No problem :) .

IMC = Integrated Memory Controller

Currently CPU is stock. The max draw your seeing in folding@home is still within stock limits. I set f@h to run 14 threads, so two are left if I wanna use rig for light things like browsing, email, etc.

Here is a video capture of my rig and you'll see CPU is stock. CPU at default has PPT of 142W, depending on what is loading CPU and if CPU isn't hitting another limit and "FIT" is determining "all is good" it could go up to 142W.

The Stilt, aka Roger Tolppola, has provided super insights into Ryzen at various stages and on various forums. Check this thread, under heading "Where is the limit?" you'll see a paragraph starting with "FIT". Yes that post is based on Pinnacle Ridge aka 2000 series, but the "FIT" info is correct and relevant to 5000 series.
 
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Apologies, I worded the question wrong. I know what an imc is, why is yours subjectively good?

No worries.

I have stated it as good due to how low SOC/VDDG voltage it's using to do 3800.

The dimms in use are also double sided, ie dual rank. Which can be more problematic than single sided dimms, ie single rank, which are easiest on IMC.

I've had 5x 5800X3D of differing batches. Only 2 of them did 3800, both needed higher SOC/VDDG then this 5700X3D.

Also had number of non 3D ZEN3 CPUs. The best IMC was on a 5900X, to date not had one as good as that. It didn't need any increases of voltage IIRC. All I did was up FCK/UCLK/MEMCLK, tweak timings and it just ran. I didn't want to sell that one, but did. I sold it when the 5800X3D came out to experience that.

I'm bit of a HW junkie.
 
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So got my 5700x3D up and running and was straightforward.

Im a bit out of the loop with regards to PBO and curve optimiser (back in 3600 days PBO didnt make a worthwhile difference)

Ive set cure optimiser to -30 all cores - should I be enabling PBO as well to gain the benefits here?
 
So got my 5700x3D up and running and was straightforward.

Im a bit out of the loop with regards to PBO and curve optimiser (back in 3600 days PBO didnt make a worthwhile difference)

Ive set cure optimiser to -30 all cores - should I be enabling PBO as well to gain the benefits here?

The X3D CPUs IMO are the most "plug & play" CPUs. Don't need high end/tuned RAM and don't gain much from CO.

Going -30 all cores is not the right way of tuning CO. Use logic and you will understand what The Stilt stated to me is right and posted here. You'll see other prominent OCN members discussing again later in that thread, either side of this post.

CO tuning outside of benching might not gain you much "real world" performance gains. Then stability testing is also a pain IMO for CO tuning.

The algorithm to maximise the silicon is so good, that what is left is so low, may even not be worth the time and effort, unless it's what floats your boat :) .
 
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It takes 30 seconds and is usually stable, to me thats a no brainer :)
No overclocks to have to worry about like non X3D chips also makes things simpler.

I'd need to read through that thread but I'm not convinced that a quick fiddle in the BIOS for potentially lower temps with better performance isn't worth it.
 
It takes 30 seconds and is usually stable, to me thats a no brainer :)
No overclocks to have to worry about like non X3D chips also makes things simpler.

I'd need to read through that thread but I'm not convinced that a quick fiddle in the BIOS for potentially lower temps with better performance isn't worth it.

I'd say stable depends on what you test stability with and what time period you test, besides test methods.

How much have you gained from CO in regard to temperature/power usage/non synthetic benchmarks?

I hope my post does not come across the wrong way, I am open to change my view :) .
 
Stable for me means it doesn't crash when I do the things I do, so in that case mine is "stable" :)
From memory I ran R23/P95 and CPUZ stress at the same time to do a mini test when I got the chip, seems to recall it was a couple of degress and a few watts lower. Nothing amazing and it wasn't throttling beforehand but always nice to see those values drop.
 
Stable for me means it doesn't crash when I do the things I do, so in that case mine is "stable" :)
From memory I ran R23/P95 and CPUZ stress at the same time to do a mini test when I got the chip, seems to recall it was a couple of degress and a few watts lower. Nothing amazing and it wasn't throttling beforehand but always nice to see those values drop.

My view is you haven't tested the CO tuning from what your stating, but as long as your happy with it that's all that matters :) .

I'm not saying that on how long you ran those tests and not discounting those tests. I myself use a variety of tests and would have used those, but my test methods would have differed. I can't say my test methods would guarantee 100% stability, but may reach high stability.

When you ran CB23 did you do single core test and test each core by setting affinity to core? If you ran single core test without setting affinity to a core, the OS based on fused performance rating of core or CPPC, will just schedule the load to the core it rates as best. Where it is more likely not to destabilise as the best core is being loaded. If you ran a multi core test, then you've tested all cores, where CPU boost behaviour will differ, so you may or may not see instability.

Corecycler is good test load for CO, but again we're only testing each core with a single application. To truly test the CO changes we need to run multiple programs, testing each core, which frankly is laborious to me.

So recently I've just been coming around to the idea that OC'ing is dead.

Even undervolting is a fickle subject. CPUs/GPUs can clock stretch, painting a false picture of gains.

Manufacturers are still touting overclocking/tweaking as an ability of the CPU/GPU/RAM/MOBO they want to sell you, as it's still taken into consideration by some purchasers, but we're so close to as good as it's gonna be "out of the box". I was once watching a video of Buildzoid's and he iterated exactly the same thing The Stilt has been posting for a while on various forums, link to moment in Buildzoids video.

Even with this view of mine, I am currently sitting here looking at an ASUS TUF Gaming X670E-Plus WiFi and ASUS Crosshair X670E Hero and thinking which do I keep. My mind knows the TUF is the better choice, my heart wants the Crosshair. TUF is gonna give the same performance as the Crosshair, as I don't think RAM will tune better on Crosshair than TUF, the CPU won't perform differently, nor is a GPU.
 
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You’re seriously overthinking things.

We’re not setting a negative CO for overclocking gains, we’re simply doing so to drop power usage by a fair chunk. -30 gets the average user a good drop, along with the associated temperature drop. These chips do not need anywhere near the 105w AMD like to push through them.
 
Keep umming and arring about picking one of these up, or just stick with 5950x until it's time for a platform upgrade (possibly 9950x3D, we'll see)

It's been a long while since I did anything productive with all these cores, but psycologically I like having them.... then again I barely ever get around to gaming any more either so realistically I probably shouldn't upgrade at all, but you know how it is :D

I definitely should get around to trying this CO thing soon though, more for power/temp savings rather than performance....

Where's a good place to start (with the 5950x)?- Just whack it on -30 and hope for the best?
Are there any voltages I should be conscious of (/set to a fixed value) when doing it?
 
You’re seriously overthinking things.

We’re not setting a negative CO for overclocking gains, we’re simply doing so to drop power usage by a fair chunk. -30 gets the average user a good drop, along with the associated temperature drop. These chips do not need anywhere near the 105w AMD like to push through them.
Not overthinking it. I was just sharing some things I knew from haunting forums and my own tinkering experience.

I haven't done negative CO on 5700X3D yet. I have on a few 5900X and 5800X3D.

They gained performance in synthetic benches, I didn't have time to check in games benchmarks. If I'm getting more performance in a synthetic benchmark, CPU must be boosting/sustaining higher or else where does the performance come from? which is overclocking.

The boost algorithm is opportunist. If it's see headroom, may that be temperature, voltage, power usage, etc, it's going to boost/sustain higher clocks. By tweaking CO we are creating headroom.
 
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