Vivo Y21s comes with a 6.51 inches IPS LCD along with a resolution of 720 x 1600 pixels. The bezel-less display of the smartphone also gets a pixel density of 270ppi and an aspect ratio of 20:9. Vivo Y21s is packed with a MediaTek Helio G80 chipset and a Mali-G52 MC2 GPU. It also includes an Octa-core Dual-core 2GHz Cortex A75 and Hexa-Core 1.8GHz Cortex A55 layout backed by 4GB RAM, enabling seamless operations. The smartphone comes loaded with a massive 5000mAh Li-Polymer battery that is non-removable by nature. In addition, the device is also compatible with an 18W Fast Charging system, eliminating prolonged waiting hours. Vivo Y21s gets 64GB internal storage which can be extended up to 1TB.