Apple watch ultra clone compare:step counter accuracy between iwo watch ultra2 and watch 8 ultra

Compare the hot Apple watch ultra clone smart watches, which one do you think has better step counter function, white band represents iwo watch ultra2, orange band represents watch 8 ultra, both has same look as Apple watch ultra. watch 8 ultra: https://www.aliexpress.com/item/1005004897240428.html iwo watch ultra 2 (49mm): https://www.aliexpress.com/item/1005004948984366.html