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PowerColor Hellhound AMD Radeon RX 6600XT 8GB GDDR6 Video Card Review

Videocards/VGA Reviews by stefan @ 2021-09-02

The PowerColor Hellhound RX 6600 XT positions itself between the custom RX 5700 and 5700 XT cards in terms of performance, being a considerably smaller card and at the same time consuming like half of the power from the wall. This also traduces in the need of less elaborated cooling systems to keep the temperatures in check, so the card does not weight a ton. The dual-fan solution looks cool when in operation and remains silent even at high loads. In a well-ventilated case, the temperature of the GPU should not reach 60 degrees Celsius (even when watching 4K videos), which means that in “office use” mode, the fans will mostly stay off thanks to Zero-RPM technology.

Product Features Part I

Hellhound: A Cool but Powerful Beast

The PowerColor Hellhound Radeon™ RX 6600XT is built based on AMD’s latest RDNA2 architecture with enhanced performance and cooling efficiency to empower gamers to vanquish 1080p gaming. Housing two 100mm fans, the shroud is clean and sleekly crafted with silver accent, just like a hound stays calm and low-keyed but always ready to release its power inside.

The Power of Hellhound

To provide a better thermal solution, PowerColor Hellhound RX 6600 XT is equipped with a dual fan design (2x 100mm), a cooler with 3X6Φ nickel plated heatpipes, and a smooth nickel-plated copper base that enhances heat dissipation. Besides, it adopts 6+2 phase VRM with DrMOS, high polymer solid capacitors and one 8-pin PCI-E connectors to deliver advanced gaming performance.

Two-Ball Bearing - 4X greater longevity

The cooling fan utilizes two-ball bearing technology, increasing the longevity of the fans by up to 4 times.

Mute Fan Technology - 0db –Silent gaming

Mute Fan Technology intelligently turns off the fan below 60?, providing silent gaming during medium and low load while reducing power consumption.

Exclusive New Cooling-Fan Design, Advanced Cooling Solution

Compared with previous design, PowerColor Hellhound RX 6600 XT graphics card uses an exclusive new cooling-fan design to increases airflow and air pressure by up to 60%, achieving new level of thermal performance.

Dual-Fan Cooler, Lower Temperature Better Performance

The Hellhound RX 6600 XT equips with 3X6Φ nickel plated copper heatpipes and an enlarged heatsink surface for providing lower temperature but better performance.

Horizontal Aluminum Fin Design

The increased array of horizontal aluminum fins helps the copper heatpipes collect and dissipate heat with maximum efficiency.

Copper Base Direct Touch

A smooth nickel-plated copper base directly contacts the GPU to enhance exceptional heat dissipation efficiency, and to keep the card in the optimum cooling condition.

Platinum Power Kit—DrMOS

Digital controller and high polymer solid capacitor for improved reliability

Superior power efficiency

Significantly low power loss

Better thermal protection

A 6+2 phase VRM guarantees better overclocking and stability

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