MSI GeForce RTX 4090 Suprim X review

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Graphics card temperatures

Graphics card temperatures

So here we'll have a look at GPU temperatures. First up will be IDLE (desktop) temperatures as reported through the software on the thermal sensors of the GPU. Overall anything below 50 Degrees C is considered okay, anything below 40 Degrees C is admirable. We add some other cards at random that we have recently tested in the chart. But what happens when we are gaming? We fire off an intense game-like application at the graphics card and measure the highest temperature of the GPU. 

     

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So with the card fully stressed we kept monitoring temperatures and noted down the GPU temperature as reported by the thermal sensor. These tests have been performed with a 20~21 Degrees C room temperature, this is a peak temperature based on a GPU stress loop.

G is gaming mode with a higher fan profile, S is Silent mode.

 

Long Duration Stress Temperature and GPU Throttling clock

Always, before beginning benchmarking, the card is preheated. We monitor the dynamic clock the GPU throttle once the GPU has warmed up, this is around 2800 MHz (!), and we see this during the repeated warm-up phase of at least 15 minutes of GPU gaming stress. We do this before every evaluation because a cold card could perform better in the first few seconds of a benchmark.
 
We see that Silent mode has a fan RPM of up-to 1200 RPM, and Gaming mode 1400 RPM.
 

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Silent Mode

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Game Mode

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