• Welcome to TechPowerUp Forums, Guest! Please check out our forum guidelines for info related to our community.

Ryzen Owners Zen Garden

What's the info I'd need to know to get to PBO tweaking my 7700x? Figure I should try and get the most I can out of this, since I've got the cooling for it.
 
What's the info I'd need to know to get to PBO tweaking my 7700x? Figure I should try and get the most I can out of this, since I've got the cooling for it.
Use hwinfo to record max stats

disable PBO, run cinebench record values and score
Set the values to the max, run cinebench and record those max values


Then start lowering them until you find an in-between where higher wattage doesnt result in higher temps
On zen3, it seems to be around the 100W-110W mark on the 8 core CPU's of the 140W max - so maybe take 30% off the max PBO values and see how that goes
 
PPT = that's the max. power target, kind of like Intel's PL1 and PL2 combined in one value.
TDC = Thermal Design Current.
EDC = Electric Design current.
These are current limits (as in Amperes). I don't know what the difference is between the two.

I'm also a visual (and tactile) learner myself, that's why I don't bother overclocking these modern chips. :ohwell: The benefits are very small, while the risk of me fecking up something in the process is high.
Thanks for the explanations! Appreciate that. Well with the little adjustment I made to the boost, I've beaten my previous best score in Time Spy by 800 points. I just have to test it now in CoD to see if it crashes horribly.

Edit...

Cod crashed horribly... So what I did next was a stroke of GENIUS... I went on Ryzen Master and auto-overclocked and got it to adjust the values for me as I'm so unfamiliar with it all. And it worked! Just when I restart it now from Ryzen Master I seem to get a BSOD once and then it works... Ah well...
 
Last edited:
I'd be resettings things to default and getting it stable instead of relying on BSOD's and crashes as part of your routine since you have no idea if the ryzen master or BIOS settings are even applied at that point
 
37C outside
27c inside

bleh
1672563518013.png
 
I have a question. I just upgraded to a 5700x, and power mode is balanced, however CPUZ shows 3600Mhz ish. No OC or anything. Shouldn't CnQ or whatever idle the cpu at 800-1200 mhz?

Can't find it in bios?

Any thoughts suggestions?
 
@mechtech That's normal looking from CPUz. HWInfo can show effective clock which should be much lower in idle than what CPUz shows.
 
I have a question. I just upgraded to a 5700x, and power mode is balanced, however CPUZ shows 3600Mhz ish. No OC or anything. Shouldn't CnQ or whatever idle the cpu at 800-1200 mhz?

Can't find it in bios?

Any thoughts suggestions?
That's because modern Ryzen CPUs change their clock speed so fast that monitoring software can't adapt. It may be 3600 MHz for a few milliseconds to run some background tasks, and much lower for the rest of the time. Nothing to worry about as long as your effective clock reported in HWinfo, and your idle power consumption is right. :)

Also, check the slider that shows in the power settings menu when you select balanced mode. It basically toggles how fast your CPU clock responds to such impulses.
 
I have a question. I just upgraded to a 5700x, and power mode is balanced, however CPUZ shows 3600Mhz ish. No OC or anything. Shouldn't CnQ or whatever idle the cpu at 800-1200 mhz?

Can't find it in bios?

Any thoughts suggestions?
CnQ is long dead
the cores power off completely, go use HWinfo and monitor their effective clocks and C-states
1672708218577.png
 
My X3D drops down about 100MHz lower than my 5900X, but if its not busy they will have a siesta

0.PNG
 
CnQ is long dead
the cores power off completely, go use HWinfo and monitor their effective clocks and C-states
View attachment 277263
Reason I bring it up is the cpu fan ramps up and down constantly, unless its crappy gigabyte fan control?? I was thinking cpu is running flat out??
 
Reason I bring it up is the cpu fan ramps up and down constantly, unless its crappy gigabyte fan control?? I was thinking cpu is running flat out??

Welcome to Ryzen since 2019, you must be new to these newer parts lol. You can set a longer fan control period in bios (up to 3 sec). The problem is that Gigabyte's hysteresis (ie. delaying fan-ramp) is just not that good and never really works properly unlike Asus and MSI.

Easily solved by setting a flatter fan curve. I do this on all my rigs. RPM basically constant or very shallow slope until 70 or 80C.
 
I figured I'd put this in the public record since I found zero information online about how well the Ryzen 7000 series works with 4x DS DIMMs.

AMD spec is DDR5-3600; I was able to get DDR5-4800 CL24 stable. I'm pleasantly surprised. All I had to do was enter the timings manually, set DIMM voltage to 1.35V (manufacturer's spec), and raise SOC to 1.14V. (Note: this is not the system in my specs; this is my brother's system he asked me to optimize).

1672721014854.png


The cores, on the other hand, are a total dud in terms of overclocking. Any undervolting offset causes system instability, and even setting PBO MAX frequency to +25MHz max causes instability.
 
Welcome to Ryzen since 2019, you must be new to these newer parts lol. You can set a longer fan control period in bios (up to 3 sec). The problem is that Gigabyte's hysteresis (ie. delaying fan-ramp) is just not that good and never really works properly unlike Asus and MSI.

Easily solved by setting a flatter fan curve. I do this on all my rigs. RPM basically constant or very shallow slope until 70 or 80C.
Ya I was using a 1700 cpu before this on a different mobo but still was a gigabyte. Never had an issue. Cpu also seemed to run a lower clocks at idle and low load than this cpu.

is there anyway to reduce idle/low loads clocks via pbo or other? It does seem to run hotter than the 1700 despite having same 65w rating?

does gigabyte have secure erase? I didn’t see it but I have seen it in Msi and Asus bios.
 
Reason I bring it up is the cpu fan ramps up and down constantly, unless its crappy gigabyte fan control?? I was thinking cpu is running flat out??
That's just shitty default fan settings, fix them

Ya I was using a 1700 cpu before this on a different mobo but still was a gigabyte. Never had an issue. Cpu also seemed to run a lower clocks at idle and low load than this cpu.

is there anyway to reduce idle/low loads clocks via pbo or other? It does seem to run hotter than the 1700 despite having same 65w rating?

does gigabyte have secure erase? I didn’t see it but I have seen it in Msi and Asus bios.
It's an entirely different CPU and what you're trying to do will cripple its performance
Dont fix what aint broken - fix your fan curve

The link in my sig has details on how to tweak PBO, but you do not want to cripple your performance just to get past the fact you've got bad fan settings and a loud CPU fan
 
Ya I was using a 1700 cpu before this on a different mobo but still was a gigabyte. Never had an issue. Cpu also seemed to run a lower clocks at idle and low load than this cpu.

is there anyway to reduce idle/low loads clocks via pbo or other? It does seem to run hotter than the 1700 despite having same 65w rating?

does gigabyte have secure erase? I didn’t see it but I have seen it in Msi and Asus bios.
Don't worry about idle clocks - they're not real. Unused cores are actually parked most of the time, but monitoring software, including windows task manager doesn't pick this up. Look at your power consumption instead. If it's around 12-15 W, or thereabouts, you're fine. :)
 
Don't worry about idle clocks - they're not real. Unused cores are actually parked most of the time, but monitoring software, including windows task manager doesn't pick this up. Look at your power consumption instead. If it's around 12-15 W, or thereabouts, you're fine. :)
^ HWinfo shows the C-states and effective clocks, my screenshot a few posts up is the best way to see it

3.7GHz but 95% C1 shows those cores are having sleepytimes
 
That's just shitty default fan settings, fix them

It's an entirely different CPU and what you're trying to do will cripple its performance
Dont fix what aint broken - fix your fan curve

The link in my sig has details on how to tweak PBO, but you do not want to cripple your performance just to get past the fact you've got bad fan settings and a loud CPU fan
Done
Thanks
Flattened the curve, seems to be much better now.

A few bios questions - should I leave these at default?
Resize bar - off
HPET - on
IOMMU - on
Secure boot - disabled

cheers

edit - so this all run of the mill for this cpu then?
1672759053377.png

1672759036295.png

1672759692571.png

1672760007683.png
 
Last edited:
rebar should be on
Hwinfo needs those values while you're under load/stress tests, idle readings have their use but they wont idenfity performance or thermal issues


And yes the way these chips work in general is that amperage is what harms them, not voltage
Therefore, a single thread can have a lot higher voltage and ramp up fast and hot for light tasks, while a benchmark using all threads spreads that power of a greater area, and can run colder


Some brands give no shits about actually testing their products, and ship with fan curves based on core 2 duos by the look of them. They don't suit the CPU's, stock coolers or aftermarket coolers
 
8 hour P95 run. Never seen my 1700 break 58C, looks like these 5k series run hotter, but I guess 7nm vs 14nm gets more dense and less surface area, so more heat.
 

Attachments

  • 8 hour p95 run.jpg
    8 hour p95 run.jpg
    584 KB · Views: 65
8 hour P95 run. Never seen my 1700 break 58C, looks like these 5k series run hotter, but I guess 7nm vs 14nm gets more dense and less surface area, so more heat.
Well that is really good. Mine breaks up to around 60-70C if not a bit more when running stuff like Cinemark or something. And its water cooled with the corsair closed loop Corsair H115i PRO RGB & 280mm Radiator.
 
8 hour P95 run. Never seen my 1700 break 58C, looks like these 5k series run hotter, but I guess 7nm vs 14nm gets more dense and less surface area, so more heat.
Yep. It's normal, don't worry about it. :)
 
Well that is really good. Mine breaks up to around 60-70C if not a bit more when running stuff like Cinemark or something. And its water cooled with the corsair closed loop Corsair H115i PRO RGB & 280mm Radiator.
Well it did hit 72C with about 64C average. The current temps were a few minutes after closing it. Check the max temps.
 
Last edited:
Back
Top