Realme C21 vs ZTE nubia Red Magic 9 Pro

Realme C21

ZTE nubia Red Magic 9 Pro

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800, 1900
3G network

HSDPA 850, 900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
4G network

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

LTE frequency band 1, 2, 3, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66
5G network

-

5G band 1, 3, 5, 7, 8, 20, 28, 38, 41, 77, 78 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

11.52 Mbps
LTE speed

LTE, Cat4, 150 Mbps download, 51 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front, plastic back, plastic frame

Aluminium alloy, glass
SIM

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

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

165.2 mm

164 mm
Width

76.4 mm

76.4 mm
Thickness

8.9 mm

8.9 mm
Weight

190 g

229 g
Build features

-

Pressure sensitive zones (520Hz touch-sensing), built-in cooling fan, aviation aluminum middle frame
Colors

Black, Blue

Black, Black/Transparent, Silver

Display
Display type

IPS LCD

AMOLED
Physical size

6.5 inches

6.8 inches
Resolution

720 x 1600 pixels

1116 x 2480 pixels
Pixel density

270 ppi

400 ppi
Display colors

16777216

1073741824
Protection

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

Scratch resistant
Display features

-

120Hz, 1600 nits (peak)

OS
OS

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

Android 14, Redmagic OS 9

Main camera
Camera type

Triple

Triple
Main camera

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

(wide) , 50 MP, 1/1.57" , 1.0 µm
(macro) , 2 MP, f/2.4

(ultrawide) , 50 MP, 1/2.76" , 0.64 µm
(depth) , 2 MP, f/2.4

(macro) , 2 MP, f/2.4
Primary camera resolution

2560 x 1920 pixels

8190 x 6120 pixels
Primary camera video

1080p@30fps

8K@30fps, 4K@30/60fps, 1080p@30/60/120/240fps
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

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

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 5 MP, f/2.2 , 1/5.0" , 1.12 µm

(wide) , 16 MP, f/2.0 , 1.12 µm
Selfie camera resolution

2560 x 1920 pixels

4608 x 3456 pixels
Selfie camera features

Face unlock, HDR, panorama

Face unlock, face detection
Selfie camera video

1080p@30fps

1080p@30/60fps

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax, 802.11be
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

-

Yes
WiFi Tri-Band

-

Yes
USB

microUSB 2.0

Type-C 3.2, DisplayPort
USB connector

-

Accessory connector
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.3
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

-

Yes
NFC

No

Yes (market dependent)
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
BDS

Yes

Yes