Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > alt.os.linux.mint > #45618

Re: GPU advise?

Show all headers | View raw

Am 24.10.25 um 15:38 schrieb Paul:
> On Fri, 10/24/2025 4:51 AM, Peter McD wrote:
> 
>> All in all I agree that the average power requirements are much lower than that
>> what my power supply could deliver. My computer uses a 65W processer (so to say)
>> and it temperature is currently around 38°C, so I estimate the whole system may
>> normally use around 50 W.
>>
>> But I also read that the RX6600 power consumption may spike to more than 500W
>> under certain conditions and I want that covered.
>>
> 
> That suggests a rather large regulator block on the RX6600.
> (The RTX5090 can hit 600W on its regulator, but more square
> inches would be put aside for it.
> 
> It doesn't look that big here.
> 
> https://www.techspot.com/articles-info/2343/images/2021-10-12-image-j.webp
> 
>     ( https://www.techspot.com/review/2343-amd-radeon-rx-6600/ )
> 
> This one has 25 phases for 600 watts.
> 
>     "RTX5090 takeapart"
> 
>     https://www.youtube.com/watch?v=mClh3SDF2SM
> 
> Your card has a 150W connector on the upper right. There
> are six phases showing. If we pulled a number out of the air,
> of 35 watts per phase, maybe it could supply 210 watts.
> 
> It's supposed to limit at 132W.
> ...

I already upgraded the power supply to 800W when I changed the card 
about two years ago. So the money is spent.
Next time I will lock closer to what is required when I change parts.

Thank you for your answer anyway, I know now a lot more  about graphics 
card power requirements which might come in handy when I need an other one.

Peter





> GPU-Z shows the power-state, so that you can figure out
> what limit the card has hit. There is a text label identifying
> the name of the state. Detection of overcurrent should be
> automatic, unless the user has a software that disables a limiter.
> 
>     https://www.techpowerup.com/download/techpowerup-gpu-z/
> 
>     # Check under the Sensors tab, play a game and see what it says
> 
> The 5+1 phase regulator, looks like it would "squawk" if the
> GPU attempted to draw 500W.
> 
> Before modern cards got these features, when Furmark first
> came out, you could damage a video card with Furmark. Then
> the drivers got "recognition" of Furmark, and they would
> turn down the clock on purpose, to prevent Furmark from
> breaking something. This is open loop control, implemented
> with software. And it's pretty sloppy.
> 
> But eventually the hardware people said enough is enough,
> and they put all sorts of controls in. There should also be
> one for temperature. NVidia released a couple drivers,
> where a mistake to one of the source files resulted in
> the fans not spinning. Which makes cards hot. When that
> happens on the CPU, the "THERMTRIP" feature causes the
> entire PC power to go off. But the GPU back then
> was not protected. The introduction of closed loop
> control, having what was supposed to be an automatic
> fan response curve, these were things invented to put
> a stop to "low quality product behaviors".
> 
> To hit 500W, I think someone would have to hack the
> controls and turn off the power limiter. Then, you need
> a stimulus capable of driving the card that hard.
> 
> Also, if the card was doing that, the loom feeding the
> 2x4, it would have an overcurrent detection on it.
> The PSU is going to go off if that transient lasts
> for enough milliseconds. When a PSU has a large amperage
> on +12V, the wiring is split into separate looms, and
> the looms can have limits around 20 amps or so.
> 
>     Paul
> 
> 
> 

Back to alt.os.linux.mint | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

GPU advise? Edmund <nomail@hotmail.com> - 2025-10-21 10:46 +0200
  Re: GPU advise? Paul <nospam@needed.invalid> - 2025-10-21 06:27 -0400
    Re: GPU advise? Edmund <nomail@hotmail.com> - 2025-10-21 14:37 +0200
    Re: GPU advise? Peter McD <peter.posts@gmx.net> - 2025-10-23 20:01 +0200
      Re: GPU advise? Edmund <nomail@hotmail.com> - 2025-10-23 23:13 +0200
      Re: GPU advise? Paul <nospam@needed.invalid> - 2025-10-24 00:08 -0400
        Re: GPU advise? Peter McD <peter.posts@gmx.net> - 2025-10-24 10:51 +0200
          Re: GPU advise? Paul <nospam@needed.invalid> - 2025-10-24 09:38 -0400
            Re: GPU advise? Peter McD <peter.posts@gmx.net> - 2025-10-25 13:13 +0200

csiph-web