Question Cooling a Ryzen 7 5800X

vwcrusher

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I am about to upgrade a few components in my 4 year old system. One of those components is the CPU. I am upgrading from a Ryzen 7 3700x to a Ryzen 7 5800x. I cooled with a Scythe Mugen 5 Rev. B 51.17 CFM. My question is whether this cooler is sufficient for the new CPU, or should I consider using the stock cooler that comes with the CPU?

Thanks
 
A quick look around says the 3700x can draw 90 to 100 watts and the 5800x close to 150.

Was the Scythe on the 3700x running up against the edge....hot enough to worry you?

I've used Scythes and did fine with them. That particular Scythe certainly looks like it would be superior to any stock AMD cooler.
 

vwcrusher

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A quick look around says the 3700x can draw 90 to 100 watts and the 5800x close to 150.

Was the Scythe on the 3700x running up against the edge....hot enough to worry you?

I've used Scythes and did fine with them. That particular Scythe certainly looks like it would be superior to any stock AMD cooler.

Thanks for the reply. I'd say that from looking at the cpu when stressed it gets upwards in the high 40s to low 50s.....
 
Your existing cooler will run it but I would favour a more powerful cooler personally. The 5800X does not come with a stock cooler, however your existing cooler would be at the very least as good but most likely better than the Wraith Prism that came with the 3700X.

I'm a bit OCD on temps but AMD does expect these newer chips to run hot. You may also want to consider a 5900X as an upgrade path as well if it's in budget. Where I live they've come down a lot in price.
 

vwcrusher

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How about just trying it out first? There's no harm in doing that.

Thanks guys, yeah, trying it out first seems to make the most sense....
I had not thought of the 5900x as it seems to have similar specs and an extra $100.

While I think of it, I do have an off topic question regarding PSUs. In looking at the proposed updated parts list below..do you think my current PSU will be ok with the addition of the new CPU and GPU?


Thanks : )
 
I had not thought of the 5900x as it seems to have similar specs and an extra $100.
I only mention it because it's well below it's original retail price where I live and is a more substantial upgrade over your 3700X. The 5800X is a significant improvement in gaming over the 3700X but it's very much an incremental improvement in overall CPU power. 23% for the 5800X vs 77% for the 5900X. The extra 4 cores of the latter will probably mean it will age better.

Also worthy of consideration is the 5800X3D, if you have an appropriate GPU and monitor it's a substantial step up in high refresh rate gaming.
 

vwcrusher

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I only mention it because it's well below it's original retail price where I live and is a more substantial upgrade over your 3700X. The 5800X is a significant improvement in gaming over the 3700X but it's very much an incremental improvement in overall CPU power. 23% for the 5800X vs 77% for the 5900X. The extra 4 cores of the latter will probably mean it will age better.

Also worthy of consideration is the 5800X3D, if you have an appropriate GPU and monitor it's a substantial step up in high refresh rate gaming.

Thanks for the recommendation and rationale; certainly something to consider.

What I was not expecting is in the power supply forum, I asked if my current 650W PSU would be sufficient for both the upgraded GPU and CPU. The technical expert advised that it was not sufficient. So the bottom line is that I will most likely move ahead with the GPU, where most of the current bottle neck exists, and deal with CPU down the road, perhaps when multiple components need upgrading.

Again, I thank you for sticking with me on this : )
 
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What I was not expecting is in the power supply forum, I asked if my current 650W PSU would be sufficient for both the upgraded GPU and CPU. The technical expert advised that it was not sufficient. So the bottom line is that I will most likely move ahead with the GPU, where most of the current bottle neck exists, and deal with CPU down the road, perhaps when multiple components need upgrading.
Your looking at a power consumption of roughly 515W for your build. That's around 80% of the capacity of your current PSU. On paper that's fine and it is a good quality unit. I think the reason people are advising it's not enough is probably due to transient spikes. In a nutshell although the GPU uses 220W, there may be times where for a fraction of a second it uses substantially more than that. For example an Nvidia 3080 uses 320W, however there are moments where it could pull over 500W. Here's an example:
That has a peak power of 489W despite being a 320W card, I believe in some of Seasonic's testing they got the 3080 to use over 500W in certain scenarios.

If there is not sufficient excess capacity on the PSU then these momentary spikes could trigger the over current protection on the PSU and the PC would cut out.

Gamers Nexus had a good video on transient spikes:
View: https://www.youtube.com/watch?v=wnRyyCsuHFQ


This was a significant problem on the 3080 and 3090. How much of a problem it would be for the 6700 XT in your particular context I'm not sure.

The recommended minimum by AMD is 650W for the 6700XT, however not all 650W PSU's were created equal and yours is one of the higher quality ones.

Going by anecdotal evidence I see many people with the 6700 XT and similar specs and PSU capacities not having an issue.
 

vwcrusher

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Your looking at a power consumption of roughly 515W for your build. That's around 80% of the capacity of your current PSU. On paper that's fine and it is a good quality unit. I think the reason people are advising it's not enough is probably due to transient spikes. In a nutshell although the GPU uses 220W, there may be times where for a fraction of a second it uses substantially more than that. For example an Nvidia 3080 uses 320W, however there are moments where it could pull over 500W. Here's an example:
That has a peak power of 489W despite being a 320W card, I believe in some of Seasonic's testing they got the 3080 to use over 500W in certain scenarios.

If there is not sufficient excess capacity on the PSU then these momentary spikes could trigger the over current protection on the PSU and the PC would cut out.

Gamers Nexus had a good video on transient spikes:
View: https://www.youtube.com/watch?v=wnRyyCsuHFQ


This was a significant problem on the 3080 and 3090. How much of a problem it would be for the 6700 XT in your particular context I'm not sure.

The recommended minimum by AMD is 650W for the 6700XT, however not all 650W PSU's were created equal and yours is one of the higher quality ones.

Going by anecdotal evidence I see many people with the 6700 XT and similar specs and PSU capacities not having an issue.

Thanks for the explanation; it is remarkably similar to the one I received over at the PSU forum, and he added that in his opinion just now worth taking the chance of damaging something.

I actually agree with this approach, so we take it one step at a time. As I noted earlier, the real need is GPU, which should not require any additional power. And beyond that, we'll see.

Again, I really appreciate everyone in the forum who are very generous with their time and expertise....thank you again : )
 
Thanks for the explanation; it is remarkably similar to the one I received over at the PSU forum, and he added that in his opinion just now worth taking the chance of damaging something.
The OCP protection cuts the power to prevent damage, I haven't come across an instance where this happened and you have a high quality PSU. I can understand wanting to air on the side of caution though.

Can I ask what GPU you have at the moment?
 

vwcrusher

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I am using an EVGA FTW2 GAMING iCX GeForce GTX 1070 Ti GPU and SeaSonic FOCUS Plus 650 Gold 650 W 80+ Gold Certified Fully Modular ATX PSU.

What I may purchase sooner is a new GPU, and the one that seems to fit my needs is: XFX Speedster SWFT 309 Radeon RX 6700 XT
 
I am using an EVGA FTW2 GAMING iCX GeForce GTX 1070 Ti GPU and SeaSonic FOCUS Plus 650 Gold 650 W 80+ Gold Certified Fully Modular ATX PSU.

What I may purchase sooner is a new GPU, and the one that seems to fit my needs is: XFX Speedster SWFT 309 Radeon RX 6700 XT
Oh ok I think that would be around another 100W if you changed both the CPU and GPU. The GPU makes sense to do first as it will probably give you the most improvement in modern titles.

There may be new AMD GPU's being released soon but I can't find an official release date.