Realme C51: Tinggi: 167,2 mm, Lebar: 76,7 mm, Ketebalan: 7,99 mm, Bobot: 186 gram

Layar

Samsung Galaxy A05: Layar PLS 6,7 inci berponi Infinity-U, resolusi HD Plus, refresh rate 60 Hz

Realme C51: Layar IPS LCD 6,7 inci, resolusi HD Plus, refresh rate 90 Hz.

Warna

Samsung Galaxy A05: Light Green, Black, Silver

Realme C51: Mint Green, Carbon Black

Kamera Belakang

Samsung Galaxy A05: Kamera utama 50 MP (f/1.8), autofokus
Kamera kedalaman 2 MP (f/2.4)

Realme C51: Kamera utama 50 MP (f/1.8, AI)
Kamera makro 2 MP (f/2.4)

Kamera Depan

Samsung Galaxy A05: Kamera 8 MP (f/2.0)

Realme C51: Kamera 8 MP (f/2.0)

Chipset

Samsung Galaxy A05: MediaTek Helio G85 (12 nm)
CPU clock speed sampai 2.0 Ghz
GPU Mali-G25