Vivo Y78 5G mobile was launched on 10th May 2023. The phone comes with a 120 Hz refresh rate 6.64-inch touchscreen display offering a resolution of 2400x1080 pixels (FHD+) at a pixel density of 394 pixels per inch (ppi). Vivo Y78 5G is powered by an octa-core MediaTek Dimensity 7020 processor. It comes with 8GB of RAM. The Vivo Y78 5G runs Android 13 and is powered by a 5000mAh non-removable battery. The Vivo Y78 5G supports 44W Flash Charge fast charging.

As far as the cameras are concerned, the Vivo Y78 5G on the rear packs a dual camera setup featuring a 50-megapixel (f/1.8) primary camera, and a 2-megapixel (f/2.4) camera. It has a single front camera setup for selfies, featuring an 8-megapixel sensor.

The Vivo Y78 5G runs Origin OS 3 is based on Android 13 and packs 256GB of inbuilt storage. The Vivo Y78 5G is a dual-SIM mobile that accepts Nano-SIM and Nano-SIM cards. The Vivo Y78 5G measures 164.06 x 76.17 x 7.98mm (height x width x thickness) and weighs 190.00 grams. It was launched in Bright Night Black, Jade Porcelain Blue, and Phoenix Feather Gold colours.

Connectivity options on the Vivo Y78 5G include Wi-Fi, GPS, Bluetooth v5.30, NFC, Infrared, and USB Type-C. Sensors on the phone include accelerometer, ambient light sensor, compass/ magnetometer, proximity sensor, and fingerprint sensor. The Vivo Y78 5G supports face unlock.