XFX Radeon RX 6700 XT Merc 319 Black Review 3

XFX Radeon RX 6700 XT Merc 319 Black Review

Cooler Performance Comparison »


Temperature & Noise Comparison
AMD RX 6700 XT46°CFan Stop80°C95°C35.2 dBA1305 RPM
ASUS RX 6700 XT STRIX OC43°CFan Stop60°C73°C36.4 dBA1760 RPM
ASUS RX 6700 XT STRIX OC (Quiet BIOS)44°CFan Stop64°C77°C29.4 dBA1353 RPM
MSI RX 6700 XT Gaming X45°CFan Stop73°C89°C28.9 dBA1535 RPM
PowerColor RX 6700 XT Red Devil43°CFan Stop69°C85°C28.0 dBA1104 RPM
PowerColor RX 6700 XT Red Devil (Quiet BIOS)44°CFan Stop72°C86°C27.9 dBA828 RPM
Sapphire RX 6700 XT Nitro+44°CFan Stop70°C87°C26.9 dBA1168 RPM
Sapphire RX 6700 XT Nitro+ (Quiet BIOS)41°CFan Stop71°C89°C27.2 dBA1160 RPM
XFX RX 6700 XT Merc 31941°CFan Stop69°C85°C25.2 dBA1182 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.

Thermal Analysis

For this test, we first let the card sit idle to reach thermal equilibrium. Next, we start a constant 100% gaming load, recording several important parameters while the test is running. This shows you the thermal behavior of the card and how the fans ramp up as temperatures increase. Once temperatures are stable (no increase for two minutes), we stop the load and record how the card cools down over time.

GPU Clock, Voltage Temperature, Fan Speed over Time

Fan Noise

Noise Testing Details
  • The tested graphics card is installed in an open bench system. The system does not emit any noise on its own as all components are passively cooled.
  • All cards are loaded with the same test: a custom-engineered, game-like load in Unreal Engine 4 that always renders the same frame at 60 FPS to minimize variance.
  • To ensure 100% loading of the GPU, the render complexity is set dynamically so that each card operates at peak performance and won't be CPU limited.
  • We're not using Furmark because it creates too high a load that forces the fans to run faster than what is encountered during typical gameplay.
  • Noise results of other cards on this page are measurements of the respective reference design.
  • We let the card heat up and wait until fan speed no longer changes. Depending on the fan-control algorithm, this often takes quite some time.
  • Noise levels measurements are conducted using a 1/2" calibrated measurement microphone that records onto the host PC using a digital audio processing pipeline. The microphone is recalibrated at least once a month.
  • Measurement distance is 50 cm. Our previous noise-level measurements were at 1 m. We reduced the distance to be able to better distinguish acoustics of the very quiet graphics cards.

AMD finally introduced fan stop with their Radeon RX 6000 Series reference designs, so the RX 6700 XT turns off the fans in idle, browsing, and light gaming. Perfect!

Gaming noise levels are almost unbelievable. 25 dBA is one of the lowest noise results I have ever recorded. To put this into perspective, you'll have to stand right next to the card and concentrate on the spinning fans to be able to make out the noise in a completely quiet room with no other hardware running, in a quiet neighborhood. Still, since nearly everyone has at least some other noise sources running, it's unlikely you'll be able to make out a subjective difference between 25 dBA and 28 dBA.

Fan Noise Idle
Fan Noise Gaming
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