Two models side by side: measurements taken by the author in their reviews, and their conclusions. The better value in each row is highlighted.
In brief: Based on review measurements: Capacity: Ugreen PB107 (10160 mAh vs. 5957); Energy: Ugreen PB107 (36.78 Wh vs. 21.48); Test current: 2P 6400 pack (6.7 A vs. 2.5).
Only in one review: Voltage 5 V (Ugreen PB107); Current 2.1 A (Ugreen PB107); Weight 234 g (Ugreen PB107); Price 20.5 $ (Ugreen PB107).
2P 6400 pack: Capacity is slightly below the rating; protection trips at 6.7 A, and measured capacity is 5957 mAh.
Ugreen PB107: Capacity matches the rating and output reaches 2.5 A; recommended if Quick Charge is not needed.
Figures were taken from the review text and checked against the quoted passages. Measurement conditions differ between reviews, so read the reviews yourself before buying. Prices at the time of review.