Product
Realme C51
Realme C51
Xiaomi Redmi
Xiaomi Redmi
Battery
Charging 33W wired, 0-50% in 28 min -
Type 5000 mAh Li-Po 2000 mAh, removable
Body
Build Glass front, plastic frame, plastic back -
Dimensions 167.2 x 76.7 x 8 mm (6.58 x 3.02 x 0.31 in) 137 x 69 x 9.9 mm (5.39 x 2.72 x 0.39 in)
SIM Nano-SIM + Nano-SIM Dual SIM
Weight 186 g (6.56 oz) 158 g (5.57 oz)
Comms
Bluetooth 5.0, A2DP, LE 4.0, A2DP, LE
NFC Yes, 360˚ (market/region dependent) No
Positioning GPS, GLONASS, GALILEO GPS
Radio Unspecified FM radio
USB USB Type-C 2.0, OTG microUSB 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Display
Protection - Corning Gorilla Glass 2
Resolution 720 x 1600 pixels, 20:9 ratio (~260 ppi density) 720 x 1280 pixels, 16:9 ratio (~312 ppi density)
Size 6.74 inches, 109.7 cm2 (~85.5% screen-to-body ratio) 4.7 inches, 60.9 cm2 (~64.4% screen-to-body ratio)
Type IPS LCD, 90Hz, 560 nits (peak) IPS LCD
Features
Sensors Fingerprint (side-mounted), accelerometer, proximity, compass Accelerometer, gyro, proximity, compass
Launch
Announced 2023, July 24 2013, July. Released 2013, August
Status Available. Released 2023, August Discontinued
Main Camera
Features LED flash, HDR, panorama Dual-LED flash, HDR
Single 50 MP, f/1.8, 27mm (wide), 1/2.76", 0.64µm, PDAF 0.08 MP, f/3.0 ,(auxiliary lens) 8 MP, f/2.2, 28mm (wide), 1/3.2", 1.4µm, AF
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDHC (dedicated slot)
Internal 64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM, 256GB 6GB RAM 4GB 1GB RAM
  еMMC 5.1 -
Misc
Colors Mint Green, Carbon Black Black, Chinese Red, Metallic Gray/ blue, green, yellow panels
Models RMX3830 -
SAR 1.18 W/kg (head)     0.78 W/kg (body)     -
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 HSDPA 900 / 2100
4G bands 1, 3, 5, 8, 38, 40, 41 - Africa, India -
Speed HSPA, LTE HSPA
Technology GSM / HSPA / LTE GSM / HSPA
  1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - Asia -
Platform
Chipset Unisoc Tiger T612 (12 nm) Mediatek MT6589T (28 nm)
CPU Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) Quad-core 1.5 GHz Cortex-A7
GPU Mali-G57 PowerVR SGX544MP2
OS Android 13, Realme UI T Android 4.2 (Jelly Bean)
Selfie camera
Features HDR -
Single 5 MP, f/2.2, 28mm (wide), 1/5.0", 1.12µm 1.3 MP
Video 720p@30fps 720p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes