Hardware Setup for Slam and OpenCV

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Hi, currently I am running Ros Kinetic on a Raspberry Pi 3 and using rtabmap with Kinect V1 for mapping and localization. I am also trying to run face and human recognition with OpenCV. For that I want to buy a new computing board and camera. Could anybody recommend a good setup? I am thinking about the Nvidia Jetson TX1 and the Intel RealSense SR300. My budget for both is around 500$.