Qualcomm Xiaolong 820 and Ruixinwei RK3288, what about their VR technology?

Far beyond the standard of 60Hz refresh rate of ordinary consumer VR products. Support two left and right split screen modes: software and hardware. The overall design of Xiaolong 820 is excellent, providing richer visual effects, higher audio clarity and more intuitive device interaction, and the immersive experience is more vivid; RK3288 introduced by Ruixinwei is a low-latency technology optimized for VR depth, which is generally less than 20 ms ... and supports a screen refresh rate above 75Hz.