As our number have shown, with most titles that use traditional rasterization techniques, the Radeon RX 6600 XT is clearly faster than the GeForce RTX 3060 and previous-gen cards like the Radeon RX 5700 XT or GeForce RTX 2060 Super.
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Gamers looking for a solid mainstream GPU for smooth 1080p gaming have a new contender to consider with the Radeon RX 6600 XT. Under load, the fans on both cards do spin up to audible levels, but they remain quiet and only produce a dull whir.ĪMD Radeon RX 6600 XT: Summary And Verdict And the Red Devil is effectively silent, because its fans completely stop when the GPU temperature is below 60☌. At idle both cards were inaudible over the other fans in our test rig. With such low power consumption, and relatively large coolers, we can also report that both PowerColor Radeon RX 6600 XT cards remain quiet under normal operation. And both cards are among the most power friendly of the bunch.
Our power consumption numbers show the new PowerColor Radeon RX 6600 XT cards consuming similar power to the GeForce RTX 3060 - only a few watts separate the cards under both idle and load conditions.
Finding the highest stable memory and GPU clocks, at the lowest voltage possible, while simultaneously increasing the max power target and keeping temperatures low, will yield the best overall overclocking results.
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The tuning options built into AMD's Radeon Software suite offer manual controls, along with automatic under-volting and automatic GPU and Memory overclocking. Data gathered from the sensors is used to determine what is called the "Junction Temperature", and it's the Junction Temperature that is used to tune the card's power and thermal profiles (the Junction Temperature is effectively the hottest part of the GPU die at any given time). AMD claims the increased resolution and accuracy from the additional thermal sensors allows it to increase overall sustained performance, because throttling based on the Junction Temperature is more reliable and effective. With newer GPUs, like the Navi 23 used on the PowerColor Radeon RX 6600 XT Red Devil, AMD has incorporated a network of multiple thermal sensors at strategic locations across the die. With previous-generation Radeons, though the GPUs had multiple sensors built-in, a single sensor had been used to determine the GPU temperature, and data from that lone sensor was used to control the card's thermal profile. PowerColor Radeon RX 6600 XT Fighter Stock Hardware Health Data
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