Berikut spesifikasi lengkap dari Handphone realme C21Y:
- Body Dimensi 164,5 x 76 x 9,1 mm, Berat 200g gr
- Layar 6,5 inci, 720 x 1600 pixel, LCD IPS
- Chipset & OS Unisoc T610, GPU Mali-G52, Android 10, Realme UI
- Memori RAM 3GB + ROM 32GB, RAM 4GB + ROM 64GB, Memori eksternal sampai 256GB
- Kamera utama Triple camera 13MP, f/2.2, 26mm (wide); 2MP, f/2.4, (macro); 2MP, f/2.4, (depth), Perekaman video sampai 1080p@30fps
- Kamera depan Single camera 5MP, f/2.2, (wide), Perekaman video sampai 1080p@30fps
- Baterai 5.000 mAh
- Fitur Dual SIM, microUSB, Fingerprint, Audio jack 3,5mm.***