There are two major things that differentiate GPUs within the same family from each other: the PCB design and the cooling system, both of which provide either headroom for overclocking or cool and quiet operation. Hardcore enthusiasts can switch coolers for something custom – Colorful has released a GeForce RTX 2080 Ti video card that comes without any cooling solution, allowing these users some comfort in not killing a GPU when removing the cooler.

Source: AnandTech – Colorful Offers GeForce RTX 2080 Ti Without A Cooler