I would go with ZTE for bigger storage and better chip. But for faster charging, go with Black Shark.
Link for Black Shark 4 https://www.jbhifi.com.au/products/black-shark-4-5g-128gb-bl...
Main Specs for ZTE:
6.8" FHD+ (2400 x 1080) AMOLED display
Up to 165Hz refresh rate
Qualcomm® Snapdragon™ 888 5G
Main Specs for Black Shark:
6.67" AMOLED screen
Up to 120W Hyper Charge 4500mAh Battery
Magnetic pop-up triggers