Realme C21 vs TCL 403

Realme C21

TCL 403

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800
3G network

HSDPA 850, 900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

LTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 26, 28, 38, 40, 66
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

11.5 Mbps
LTE speed

LTE, Cat4, 150 Mbps download, 51 Mbps upload

LTE, Cat4, 150 Mbps download, 75 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front, plastic back, plastic frame

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SIM

Dual SIM (Nano-SIM, dual stand-by)

Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Height

165.2 mm

159.2 mm
Width

76.4 mm

78.2 mm
Thickness

8.9 mm

9.6 mm
Weight

190 g

182 g
Colors

Black, Blue

Black, Mauve Mist

Display
Display type

IPS LCD

TFT LCD
Physical size

6.5 inches

6.0 inches
Resolution

720 x 1600 pixels

480 x 960 pixels
Pixel density

270 ppi

179 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3

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OS
OS

Android 10, Realme UI 1.0 / Android 11, Realme UI 2.0

Android 12 Go Edition

Main camera
Camera type

Triple

Single
Main camera

(wide) , 13 MP, f/2.2 , 26 mm, 1/3.06" , 1.12 µm

(wide) , 8 MP, f/2.0 , 27 mm, 1/5" , 1.12 µm
(macro) , 2 MP, f/2.4
(depth) , 2 MP, f/2.4
Primary camera resolution

2560 x 1920 pixels

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Primary camera video

1080p@30fps

1080p@30fps
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus

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