Question GPU reaching power limit

Jun 12, 2019
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What does it mean when the GPU reaches power limit? Does it mean the PSU can't supply the GPU the power it needs? Or is it something else?
 
In general the Power Limit tells the driver the maximum power the card can draw before throttling back. Usually there are two competing limits, TDP (power) and temperature (though in a practical sense they are two sides to the same coin). So for a simple example (picking number out of the air) lets say at 100% the card is allowed to draw 100W before throttling. If you move the slider to 125%, then you are telling the driver that it can pull 125W before downclocking.

As for whether your PSU has enough headroom to accomplish this, that depends on the rest of the system. If you are already close to the limit of your supply and / or you have a low quality supply, then the answer may be no. Which PSU do you have ?

Rest of your PC specs ?
 
Jun 12, 2019
46
0
30
0
In general the Power Limit tells the driver the maximum power the card can draw before throttling back. Usually there are two competing limits, TDP (power) and temperature (though in a practical sense they are two sides to the same coin). So for a simple example (picking number out of the air) lets say at 100% the card is allowed to draw 100W before throttling. If you move the slider to 125%, then you are telling the driver that it can pull 125W before downclocking.

As for whether your PSU has enough headroom to accomplish this, that depends on the rest of the system. If you are already close to the limit of your supply and / or you have a low quality supply, then the answer may be no. Which PSU do you have ?

Rest of your PC specs ?
PSU: Corsair RM860X
Processor: I7-9700
GPU: RTX 2080
RAM: 16GB
 
Jun 12, 2019
46
0
30
0
In general the Power Limit tells the driver the maximum power the card can draw before throttling back. Usually there are two competing limits, TDP (power) and temperature (though in a practical sense they are two sides to the same coin). So for a simple example (picking number out of the air) lets say at 100% the card is allowed to draw 100W before throttling. If you move the slider to 125%, then you are telling the driver that it can pull 125W before downclocking.

As for whether your PSU has enough headroom to accomplish this, that depends on the rest of the system. If you are already close to the limit of your supply and / or you have a low quality supply, then the answer may be no. Which PSU do you have ?

Rest of your PC specs ?
Also, what does throttle down? The core frequency?
 

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