Spesifikasi Realme 3: Layar: IPS LCD, 6.22 inci, Gorilla Glass 3 Resolusi: 720 x 1520 pixels, 19:9 ratio (~270 ppi density) OS: Android 9.0 (Pie); ColorOS 6 Chipset: Mediatek MT6771 Helio P60 (12 nm) CPU: Octa-core (4×2.0 GHz Cortex-A73 4×2.0 GHz Cortex-A53) GPU: Mali-G72 MP3 RAM/ROM:4/64GB Memori eksternal: microSD, up to 256 GB (dedicated slot) Kamera belakang: 13 MP, f/1.8, 1/3″, 1.12µm, PDAF + 2 MP, depth sensor; HDR, Video: 1080p@30fps Kamera depan: 13 MP, f/2.0, 1/3″, 1.12µm, HDR Baterai: Li-Ion 4230 mAh, Fast battery charging 10W