Ryzen 2700x all core OC vs pbo Vs auto

[Davemaster84]

Hi everyone, after reading and watching everything I could on this subject I'm still confused, so here's my question. Is it better for the performance of the 2700x to be all core OC, PBO or just leave it all stock? I've a 4.1ghz 1.43v manual OC, but I've read some people believe it's better to let xfr2 do it's thing. I use it mainly for gaming on a stock cooler. Thanks! 

[Tristerin]

Having an all core, all time boosted OC is the "snappiest" way to do it.  Real world difference?  Meh.  PBO will likely allow it to power throttle and MHz throttle down when not in use, whereas an all core OC with proper windows power management will run at OC frequencies at all time queued up to hit the ground running when that core is addressed.

[Nena Trinity]

PBO is better overall... OC is pointless on Ryzen 3000 series!

[Davemaster84]

2 minutes ago, Tristerin said:

Having an all core, all time boosted OC is the "snappiest" way to do it.  Real world difference?  Meh.  PBO will likely allow it to power throttle and MHz throttle down when not in use, whereas an all core OC with proper windows power management will run at OC frequencies at all time queued up to hit the ground running when that core is addressed.

My bios had pbo set as default, it was on 4.125mhz but the voltages were crazy 1.45 to 1.5, although AMD says it's ok I'd prefer an stable, bit lower voltage. 

[Tristerin]

3 minutes ago, Davemaster84 said:

My bios had pbo set as default, it was on 4.125mhz but the voltages were crazy 1.45 to 1.5, although AMD says it's ok I'd prefer an stable, bit lower voltage. 

Update your BIOS - that's been addressed (over voltage) with BIOS updates post release of the CPUs.  That is to high.

[Davemaster84]

13 minutes ago, Tristerin said:

Update your BIOS - that's been addressed (over voltage) with BIOS updates post release of the CPUs.  That is to high.

I've an Asus strix x 470 f, with a bios that came when the 3000 cpus were released, do you think it was addressed? 

[Tristerin]

1 minute ago, Davemaster84 said:

I've an Asus strix x 470 f, with a bios that came when the 3000 cpus were released, do you think it was addressed? 

If its the BIOS from release of the CPU, then you have a BIOS that's ultimately applying way to much voltage - known issue at release - yes it has been addressed from all manufacturers - you need to BIOS update

[Davemaster84]

Thanks a lot, I'll look further into it 

[Nayr438]

59 minutes ago, Tristerin said:

Update your BIOS - that's been addressed (over voltage) with BIOS updates post release of the CPUs.  That is to high.

All of my ASUS board so far average 1.4 - 1.5v on Average stock even with a up to date bios.

My B450-F that I had would hit 1.55v when I originally got it and a update brought it down to 1.5, but still in the 1.4 - 1.5v range.

My stock x470-i with the latest update is sitting at 1.47v at currently.

 

Anyways if the 2700x is similar to a 3600 in terms of overclocking, 4.1 @ 1.32 - 1.35v is what I typically averaged for a full stressed load, 1.4v+ is way to much.

 

In terms of overclock vs stock.

locking it at 4.1 will gain you multicore performance but cost you in single core performance, so really it depends on the application / game, you have to think your going to lose that single core boost frequency. Really though 4.1 to 4.3 isn't much of a loss.

But then again you will also be locked at the frequency you set and not have to rely on your CPU to boost up to certain frequencies when needed.

 

Best thing to do is benchmark everything at stock that you would normally use then set your overclock and see how it performs vs stock. In my use case, I benefit more from all cores being locked at 4.1, anything I lost in single core boost frequencies is negligible to me. I was also able to lower my temps quite a bit compared to stock due to the drop in voltage.

[Davemaster84]

1 hour ago, Nayr438 said:

All of my ASUS board so far average 1.4 - 1.5v on Average stock even with a up to date bios.

My B450-F that I had would hit 1.55v when I originally got it and a update brought it down to 1.5, but still in the 1.4 - 1.5v range.

My stock x470-i with the latest update is sitting at 1.47v at currently.

 

Anyways if the 2700x is similar to a 3600 in terms of overclocking, 4.1 @ 1.32 - 1.35v is what I typically averaged for a full stressed load, 1.4v+ is way to much.

 

In terms of overclock vs stock.

locking it at 4.1 will gain you multicore performance but cost you in single core performance, so really it depends on the application / game, you have to think your going to lose that single core boost frequency. Really though 4.1 to 4.3 isn't much of a loss.

But then again you will also be locked at the frequency you set and not have to rely on your CPU to boost up to certain frequencies when needed.

 

Best thing to do is benchmark everything at stock that you would normally use then set your overclock and see how it performs vs stock. In my use case, I benefit more from all cores being locked at 4.1, anything I lost in single core boost frequencies is negligible to me. I was also able to lower my temps quite a bit compared to stock due to the drop in voltage.

Thanks a bunch, it would seem like Asus likes to use extra 'juice' regarding V core, anyway since auto is 1.45 to 1.5, having an all core OC for 1.42 should be better, right? 

[Davemaster84]

1 minute ago, Davemaster84 said:

Thanks a bunch, it would seem like Asus likes to use extra 'juice' regarding V core, anyway since auto is 1.45 to 1.5, having an all core OC for 1.42 should be better, right? 

BTW also I do know that the 2700x is more power hungry than the 3600

[Davemaster84]

Thanks everyone! 

[Marbo]

If its anything like the 2600 I can't see much point to oc. 

 

I had mine running at 4ghz and apart from extra points on a benchmark and shaving a few seconds off a cpu render the is no perceivable difference imo. 

[Davemaster84]

On 6/13/2020 at 7:34 AM, Marbo said:

If its anything like the 2600 I can't see much point to oc. 

 

I had mine running at 4ghz and apart from extra points on a benchmark and shaving a few seconds off a cpu render the is no perceivable difference imo. 

Thank you