Chuwi Hi9 Air or Teclast Master T10 or Alldocube X ?

[rayasha]

1. Chuwi Hi9 Air
OS: Android Oreo | Screen size: 10.1-inch | Resolution: 2560 x 1600 pixels | MT6797 ( Helio X20 ) Deca Core | RAM: 4GB | Storage: 64GB | Battery: 8000mAh | Rear camera: 13MP | Front camera: 5MP

2. Teclast Master T10
OS: Android Nougat | Screen size: 10.1-inch | Resolution: 2560 x 1600 pixels | MTK8176 Hexa Core | RAM: 4GB | Storage: 64GB | Battery: 8100mAh | Rear camera: 8MP | Front camera: 13MP

3. Alldocube X
OS: Android Oreo | Screen size: 10.5-inch | Resolution: 2560 x 1600 pixels | Hexa-core MediaTek MT8176 | RAM: 4GB | Storage: 64GB | Battery: 8000mAh | Rear camera: 8MP | Front camera:8MP

Thickness

Alldocube X : 6.4 mm
Teclast Master T10: 7.5mm
Chuwi Hi9 Air: 8.4mm

Weight

Alldocube X : 500 grams
Teclast Master T10: 550 grams
Chuwi Hi9 Air: 560 grams

which one you will be prefer ?