ASUS GeForce RTX 4080 Noctua OC Edition review

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The ASUS GeForce RTX 4080 Noctua OC Edition features a proprietary cooling system that improves performance while reducing noise. The card is built on the RTX 3080 TUF PCB, with a 4.3-slot design that measures 310mm in length, 145mm in height, and 88mm in thickness. The impressive size is due to the custom shroud designed by Noctua to house two 120mm NF-A12x25 PWM fans in their trademark beige and cream color scheme. Despite its size, the ASUS GeForce RTX 4080 Noctua OC Edition promises efficient and quiet performance. The dual BIOS allows users to switch between Quiet (2595 MHz boost) and Performance (2625 MHz boost) modes, giving the product a mild overclock. Both versions have 10GB of memory and operate at a standard reference frequency rate. While the lack of RGB lighting in the shroud may disappoint some, the card's sturdy construction more than makes up for it. The sample weighs just roughly 2kg, indicating its durability and build quality. The ADA series will replace the Ampere lineup, which will be phased out of the market as these cards are priced similarly but are significantly quicker. GeForce RTX 3080 Ti was equipped with 10240 stream/Shader processors, and the GeForce RTX 4080 kicks in at 9728 shading cores whilst being significantly faster. The GPU boost frequency has been increased to at least 2,640 MHz in gaming, but you'll likely see it hovering in a 2825 MHz domain. The TDP of the RTX 4080 rises to 300~325 watts while remaining within the parameters of the 12VHWPR dual wires, which will be utilized on this model instead of four 8-pin connections. 


GeForce RTX 4080 is equipped with 16 Gigabytes of GDDR6X memory, which operates at 22.4 Gbps (effective data rate). This provides a substantial amount of volume and bandwidth combined it's 256-bit wide memory bus. With a 325W+ TGP, we advise a 750 Watt power supply as a minimum. Realistically through, we did not hit that value. You're looking at roughly 275-300 Watts.


ASUS' latest graphics card features Noctua branding and a distinct brown color scheme that is sure to catch the eye. The card is powered by there new power header. The graphics card also comes equipped with a microswitch located slightly to the left of the PCIe PEG power connectors, allowing you to toggle between the default quiet mode and the more aggressive Overclocking (OC) BIOS mode. While there is little difference in game performance between the two modes, the OC setting offers a slightly boosted frequency increase and more active fans, resulting in lower temperatures.


The cooler extends from the PCB, and the graphics card itself follows a slightly larger form factor, measuring 31cm in length. The rest of the real estate on the card is dedicated to cooling, with a dual-fan cooler and plenty of little air gaps on the backplate, allowing heat to travel away from the backplate instead of trapping it. Depending on personal preference, the Noctua branding and brown color scheme of the card can look either bad or fabulous. The card a dual-BIOS feature provided by ASUS, with the default "quiet" setting producing temperatures of around 73 degrees Celsius and noise levels of  30 decibels. Switching to the "performance" BIOS will result in a more aggressive fan curve, producing temperatures of around 65 degrees Celsius and noise levels of 40 decibels.


The card's IO panel is meshed for venting and features five display connectors, including three DisplayPort 1.4 and two HDMI 2.1 connectors capable of bringing 8K 60 Hz HDR to a single HDMI cable. The traditional power connector design of two 8-pin power headers ensures the card delivers the necessary power to operate at optimal performance levels.


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