The Oppo A3 is powered by the octa-core 6nm Snapdragon 695 5G chipset, coupled with 12GB of LPDDR4X RAM and 512GB of UFS 2.2 storage. It is a dual-SIM smartphone running on ColorOS 14.0. The phone features a 6.7-inch full-HD+ (1,080×2,412 pixels) AMOLED Display with a refresh rate of up to 120Hz and a Pixel density of 394ppi.
The display has a touch sampling rate of up to 240Hz and can achieve 600 nits of manual peak brightness, with a maximum brightness of 1,200 nits under direct sunlight.