ASUS GeForce RTX 3090 STRIX OC Review 127

ASUS GeForce RTX 3090 STRIX OC Review

Performance Summary »


Graphics Card Temperatures

Temperature & Noise Comparison
ASUS RTX 3090 STRIX OC43°CFan Stop68°C42 dBA2175 RPM
ASUS RTX 3090 STRIX OC (Quiet BIOS)45°CFan Stop75°C34 dBA1615 RPM
Gigabyte RTX 3090 Eagle OC51°CFan Stop71°C36 dBA1809 RPM
MSI RTX 3090 Gaming X Trio55°CFan Stop77°C33 dBA1543 RPM
MSI RTX 3090 Gaming X Trio (Low Temp BIOS)43°CFan Stop67°C37 dBA2016 RPM
ZOTAC RTX 3090 Trinity55°CFan Stop76°C37 dBA1700 RPM

Testing notes & interpretation
  • GPU temperatures listed here are based on GPU-Z measurements of the on-chip temperature sensor.
  • We report these GPU temperatures under a constant load for ease of comparison, as well as an idle state most end users will experience often. This combination helps dictate cooling needs and provides context for how well the thermal solution performs.
  • Please note that GPU temperature is contingent on a variety of factors. Some, including clock speed, voltage settings, cooler design, and production variances, are beyond the control of the end user. Others, such as ambient temperature, case design, and airflow pathway affecting the GPU, can be mitigated to certain extents.
  • The data in the table above shows results for similar cards, achieved in identical conditions during previous TechPowerUp reviews.

Fan Noise

Noise Testing Details

In past years, gamers would accept everything for a little bit 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.

Just like the Founders Edition, the ASUS GeForce RTX 3090 STRIX OC has fan stop, which is ideal for keeping system noise levels low outside of gaming as they shut down completely.

Gaming noise levels with the default BIOS are a bit high; it seems ASUS focused too much on temperatures. I would have preferred a quieter default setting. The ASUS dual-BIOS feature has you covered though, as the "quiet" BIOS is just a button switch away and runs much better noise levels that are very quiet, especially considering the performance this beast offers. Only the MSI Gaming X is quieter, but it's also running a lower power limit, which means less heat output for the cooler to handle.

Fan Noise Idle
Fan Noise Gaming
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