OnePlus 7T phone was released in October, 2019 while Vivo S1 phone was released in August, 2019.
OnePlus 7T features 6.55 inches display screen with Fluid AMOLED capacitive touchscreen, 16M colors and resolution of 1080 x 2400 pixels whereas Vivo S1 features 6.38 inches display screen with Super AMOLED capacitive touchscreen, 16M colors and resolution of 1080 x 2340 pixels. Both phones also have full support to 2G, 3G, 4G network bands.
Hardware and RAM
OnePlus 7T phone is equipped with Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485) CPU and Adreno 640 GPU powered by Qualcomm Snapdragon 855 Plus chipset while Vivo S1 phone is equipped with Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55) CPU and Mali-G52 MC2 GPU powered by Mediatek Helio P65 chipset.
OnePlus 7T phone has a RAM of 8 GB and has an internal storage of 128/256 GB. On the other hand Vivo S1 phone has a RAM of 4/6 GB and has an internal storage of 128 GB with expandable card slot microSD, up to 256 GB (dedicated slot).
OnePlus 7T has impressive 48 megapixel rear camera with 16 megapixel front-facing camera while on the other hand Vivo S1 has 16 megapixel rear camera with 32 megapixel front-facing camera to capture impressive pictures.
Battery and Other Features
OnePlus 7T mobile phone has a Non-removable battery with a capacity of 4500 mAh. The height, width and thickness of this phone measures around 160.94 x 74.44 x 8.13 mm with a weight of 190 gm. On the other hand Vivo S1 phone has a Non-removable battery with a capacity of 4500 mAh. The height, width and thickness of this Vivo phone measures around 159.53 x 75.23 x 8.13 mm with a weight of 179 gm.