BHI160B and BHI160 have exactly same HW, but different ROM image.
This means you need to dedicate RAM patch for each sensor.
You can read out the chip id of eash sensor to judge if it is BHI160B or BHI160 then load the coresponding FW to sensor.
On performance wise, they are on the same level.
If you are looking for a smart sensor with improved fuser core, it should be BHI260AB.
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