Best IMU for position tracking of hand-held devices? BMI088 vs BMI260? or something else ?

What is the best IMU for position tracking of hand-held devices?  Goal  Hand motion 6DoF tracking ; to see movement difference between two sensors. 

I am looking at the BMI088 vs BMI260 (and others); possibly BHI380, but I can't find details specs on its IMU.

BMI088 :  Bias Instability 2°/h ; zero-offset A:30mg   G: 1dps ; Noise Density A: 230uG/Hz  G: 0.015dps/hz ; A/G sensitivity error ???%
BMI260 :  Bias Instability ?°/h ; zero-offset A:20mg   G: 0.5dps ; Noise Density A: 160uG/Hz  G: 0.008dps/hz ; A/G sensitivity error 0.4%

The BMI260 has self-calibrating gyroscope. 

Suggestions for best IMU for position tracking of hand-held devices ; human hand-held motion. 20 minutes max time tracking. 

And are there any examples of IMU position tracking that we can build on ?

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