Redmi k40 and vivos9e support wireless.
1. Performance
The vivoS9e is equipped with a Tiguet 820 processor, a 7nm production process, four Cortex-A76 cores of 2.6GHz and four Cortex-A55 energy-efficient cores of 2.0GHz, with a single-core run score of 2975 and a multi-core run score of 10550
Redmi K40 Snapdragon 870 processor, 7nm process technology, 2GHz A77 large core x1, 2.42GHz A77 large core x3, 1.80GHz A55\/ core x4
2. Photography
The vivoS9e has a rear triple lens 64 million, main lens 8 million, 2 million lens combination, and a front 32 million pixel lens
Redmi K40 front is 20 million selfie lens, the rear 48 million 8 million 5 million, support macro photography
Neither supports wireless charging.
vivoS9e battery capacity, equipped with 4100mAh battery, support 33W fast charge.
Redmi K40 battery capacity, equipped with 4520mAh large battery, battery charging, is to support 33W charging rate, does not support wireless charging.