>>299654474
>>299654639
>>299655610
>>299656567
the hexagon dps in the oculus quest does most of the tracking work, not the cpu cores. 
https://developer.qualcomm.com/hardware/snapdragon-835-vr-development-kit
> 6DoF motion tracking is done at a fast 800Hz rate using the integrated Hexagon™ DSP. This leaves the Snapdragon CPU and Adreno™ GPU free for computing and graphics processing.