Amazfit gtr 4 vs gt 3 pro July 8, 2019 16 32 64 128 Amazfit gtr 4 vs huawei gt 3 pro Amazfit gtr 4 vs huawei gt3 pro reddit Amazfit gtr 4 vs gtr Amazfit gtr 4 vs gts 3 Amazfit gtr 3 pro vs amazfit gtr 3 Xiaomi amazfit gtr 4 vs gtr 3 pro Amazfit gtr 2 vs gtr 3 vs gtr 3 pro