XFX True Clock Technology BIOS Controlled overclocking Software controlled clock speeds can be hindered by overall computer performance. XFX's True Clock however is hardware controlled clock speed performance optimization, so your card is always running at an optimized performance level. Radeon CHILL Technology Smart GPU control Radeon Chill is an intelligent power-saving feature for Radeon graphics that dynamically regulates framerate based on model : RX-560D4SFG5 tag : Video - Graphic Cards