MSI GTX 1080 Ti Lightning Z 11 GB Review 37

MSI GTX 1080 Ti Lightning Z 11 GB Review

Performance Summary »

Fan Noise

In past years, gamers would accept everything for a little more performance. Nowadays, users are more aware of their graphics card's fan noise and power consumption.

In order to properly test how much noise a card's fan emits, we use a Bruel & Kjaer 2236 sound-level meter (~$4,000). It has the measurement range and accuracy we are looking for.

Fan Noise Measurement Setup

The tested graphics card is installed in a system that does not emit any noise on its own, using a passive PSU, passive CPU cooler, passive cooling on the motherboard, and a solid state drive. Noise results of other cards on this page are measurements of the respective reference design.

This setup allows us to eliminate secondary noise sources and test only the video card. To be more compliant with standards like DIN 45635 (we are not claiming to be fully DIN 45635 certified), the measurement is conducted at a distance of 100 cm and 160 cm off the floor. Ambient background noise inside the room was well below 20 dBA for all measurements. Please note that the dBA scale is not linear but logarithmic. 40 dBA is not twice as loud as 20 dBA since a 6 dBA increase results in double the sound pressure. The human hearing perception is a bit different, and it is generally accepted that a 10 dBA increase doubles the perceived sound level. 3D load noise levels are tested with a stressful game, not with Furmark.
Idle fan noise is fantastic as the card completely turns its fans off in idle (at up to 60°C).

In gaming, the card is as quiet as the quietest custom GTX 1080 Tis we tested. Given the massive cooler and the low temperatures of only 66°C, I feel that MSI could have quietened the card down some more for slightly higher temperatures. But given the overclocking focus of this SKU, I can understand that temperatures were higher priority than noise.

One issue with the idle-fan-off system is that every time the temperature crosses the fan-stop threshold, all fans will spin at full speed momentarily, which according to MSI is for their dust cleaning function (other cards do this once during system startup).

Fan Noise Idle
Fan Noise Gaming
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Apr 19th, 2024 09:53 EDT change timezone

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