Gtr 3 vs gts 4 July 8, 2019 16 32 64 128 Gtr 3 vs gts 4 mini Amazfit gts 2 vs gtr 3 vs gts 4 Amazfit gts 4 mini vs amazfit gtr 3 Amazfit gts 4 vs gtr 3 Gtr 3 pro vs gts 4 Amazfit gtr 3 pro vs gts 4 Gtr 3 pro vs gts 4 mini Amazfit gtr 3 pro vs amazfit gts 4 specs Gtr 3 vs Gtr 3 vs 3 pro Gtr 4 vs garmin