F4-3000C15D-16GVKB - My Ryzen Experience

[johndms]

F4-3000C15D-16GVKB - G.Skill Ripjaws V Series 16GB (2x8GB) Single Rank containing Hynix M-Die - JEDEC

 

I've often claimed to have had very good luck with my choice of ram with my Ryzen build, regardless of the fact that I didn't choose from QVL or do any sort of research prior to purchasing. When I assembled my build, I updated my ASRock AB350 Pro4 bios to the newest version at the time (I think 2.60) before I even installed Windows, and it loaded XMP 2933 without fault. The only problem being the odd-numbered CAS Latency issue with Ryzen boards; 15 defaulted to 16. That being said, I've even had fairly good luck overclocking the kit to 3200 with timings: 16-16-16-37-55-CR1 at 1.40v, but I haven't went into the secondary or tertiary timings yet to see how far I can push it.

 

I wanted to show my current progress at 2933. I've tightened the timings from the XMP default 16-16-16-35-51-CR1 at 1.35v to 14-14-15-35-51-CR1 at 1.35v with secondary or tertiary timings tightened as much as I can get them. I verify stability with Memtest86 - 10 passes of test #6 all cores parallel (takes about 20 minutes). I'll post screenshots of Ryzen Timing Checker along with Aida64's Cache and Memory Benchmark. I'm pretty sure my math is correct, feel free to double-check.

 

Default

 

Results

 

I am interested in knowing what sort of results others have achieved, and even if my progress is correct. I'm no expert so any advice or further adjustments you can offer will be tried. I rather consider myself a novice. I'm following a Calculator I found to help with all the timings. Please note, if you decide to use this spreadsheet, please don't modify this one. Make a copy of it to your own Google Drive folder and edit YOURS. Ryzen system calculator v 0.9.5 by 1usmus (Standard disclaimers apply, I'm not responsible if you screw up your system). I'll probably move on to tweaking this 3000MHz rated kit while overclocked to 3200 soon. I doubt I'll get very far on my particular board, though. I do wish I were able to adjust my SOC Voltage beyond it's default 1.1v.

 

I also assume Samsung B-Die chips could do far greater than this, but I'm kind of excited to have done this well with a Hynix kit. Note: I had to enable GearDownMode, though. I couldn't get anywhere with it disabled. I don't really understand its meaning, to be honest, but I'm learning as I go.

@MageTank Your two cents is always appreciated.

 

Edit: I initially tightened my 2933 timings with a DRAM Voltage of 1.40v to see how far I could push things, but after improving my timings as much as I could, I found I was still stable at 1.35v.

[Santo22]

I'm running G-Skill TridentZ RGB 3000mhz. It's CL 15 and my C6H does the same thing reverting to 16 no matter if I enter 15 manually. I just started to mess with timings today actually and am running 16-16-16-35 at 3022mhz. I was very surprised that just adjusting timings jumped my Cinebench score up by 15 points and then going up to 3022mhz added another 30 for a total of 1735 now. I was pretty happy with the current settings, but now I'm wondering if I can push it to 3200 as well. If you continue to go forward I'm curious to see how you make out!

[johndms]

8 minutes ago, Santo22 said:

I'm running G-Skill TridentZ RGB 3000mhz. It's CL 15 and my C6H does the same thing reverting to 16 no matter if I enter 15 manually. I just started to mess with timings today actually and am running 16-16-16-35 at 3022mhz. I was very surprised that just adjusting timings jumped my Cinebench score up by 15 points and then going up to 3022mhz added another 30 for a total of 1735 now. I was pretty happy with the current settings, but now I'm wondering if I can push it to 3200 as well. If you continue to go forward I'm curious to see how you make out!

Oddly enough, my Cinebench scores haven't really changed that much with the altered timings. At 3.8GHz, I'm hovering around 1270. I gain about 10 points, however, when I overclock to 3200. Doesn't really seem worth it. But I've not done too much to my 3200 timings yet.

[MageTank]

9 hours ago, johndms said:

@MageTank Your two cents is always appreciated.

That is a very substantial improvement in bandwidth efficiency, especially on your copy speeds. You went from being almost 80% efficient on copy, to 89%. That's no easy task, as copy bandwidth is mostly dependent on how many ranks you have.

 

Everything looks good so far. tFAW might be able to go as low as 20 (tRRD_S x 4 = tFAW) but if it brings about any instability, I wouldn't go for it. I know on Intel that as long as you keep tFAW at tRRD x 4, it's stable, but Ryzen is completely different in that regard. This is definitely one of the more tweaked Hynix kits I have ever seen on Ryzen, and the fact that you did it on a budget B350 board makes it even more impressive. This is exactly what I plan to do when I build a Ryzen test bench, to prove you don't need the best ram or board to get some improvements on Ryzen out of memory overclocking. 

[johndms]

4 minutes ago, MageTank said:

I know on Intel that as long as you keep tFAW at tRRD x 4, it's stable, but Ryzen is completely different in that regard.

I enjoy this kind of stuff, so I'll probably continue testing lower numbers just to see how far I can push things. I've been following an AMD link which I should include in my original post. It confirms your tFAW at rRRD x4 statement, as well. https://community.amd.com/community/gaming/blog/2017/05/25/community-update-4-lets-talk-dram

[johndms]

I've been working on the same tweaks while overclocked to 3200MHz. Interesting results so far. I believe I can do better.

(I know some don't like Userbenchmark, but I like the numbers)

[hansmuff]

Any tips on getting this memory to run at plain old 2933 MHz on a Ryzen 2400G, Gigabyte GA-AB350N Gaming WiFi board?

The only memtest stable speed I can use is 2133 MHz. Tried everything above that and it fails.

Tried with and without XMP.

I even typed in your settings that you posted above, all the timings, manually in the BIOS, still no dice.

 

Runs perfectly stable at 2133 MHz though

 

I do have the latest BIOS for this board installed.

BIOS notes from manufacturer:

Update AGESA 1.0.0.2a + SMU FW 43.18

 

And yes, I am using the exact same RAM you have, 2x8GB of this exact model.

 

Any hints very much appreciated. Thank you!

[Frenky]

Dude create a new topic, don't revive old posts please