Honor Magic4 Pro vs Realme C21

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

GSM 850, 900, 1800, 1900
3G network

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO

HSDPA 850, 900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41 - China

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

5G band 1, 3, 5, 8, 28, 38, 41, 77, 78, 79 SA/NSA - China

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HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A

LTE, Cat4, 150 Mbps download, 51 Mbps upload
GPRS

Class 12

Yes
EDGE

Class 12

Yes

Design
Build

Aluminium aloy, glass, faux leather

Glass front, plastic back, plastic frame
SIM

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

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

163.6 mm

165.2 mm
Width

74.7 mm

76.4 mm
Thickness

9.1 mm

8.9 mm
Weight

209/215 g

190 g
Waterproof

IP68 (1.5m and 30 mins)

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Dust proof

IP68

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Colors

Black, Cyan, Gold, Orange, White

Black, Blue

Display
Display type

LTPO OLED

IPS LCD
Physical size

6.81 inches

6.5 inches
Resolution

1312 x 2848 pixels

720 x 1600 pixels
Pixel density

460 ppi

270 ppi
Display colors

1073741824

16777216
Protection

Aluminosilicate glass

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

120Hz, HDR10+, 1000 nits (peak)

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OS
OS

Android 12, Magic UI 6, Google Play Services (market dependent)

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

Main camera
Camera type

Quad

Triple
Main camera

(wide) , 50 MP, f/1.8 , 23 mm, 1/1.56" , 1.0 µm, 100x digital zoom

(wide) , 13 MP, f/2.2 , 26 mm, 1/3.06" , 1.12 µm
(ultrawide) , 50 MP, f/2.2 , 122˚ , 1/2.5"

(macro) , 2 MP, f/2.4
TOF 3D , 64 MP, f/3.5 , 90 mm, 1/2.0" , 0.7 µm, 3.5x optical zoom

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

8192 x 6144 pixels

2560 x 1920 pixels
Primary camera video

4K@30/60fps, 1080p@30/60fps, gyro-EIS, HDR10, 10-bit video

1080p@30fps
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, continuous autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, face unlock, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus, laser autofocus, telephoto picture-in-picture, multi-spectrum color temperature sensor, flicker sensor, honor image engine, 3D LUTs by IMAX for videos, audio zoom, audio focus, audio HDR

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

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(ultrawide) , 12 MP, f/2.4 , 100˚ , 1.22 µm

(wide) , 5 MP, f/2.2 , 1.12 µm, 1/5.0"
TOF 3D
Selfie camera resolution

4032 x 3024 pixels

2560 x 1920 pixels
Selfie camera features

Face unlock, HDR, digital image stabilization, AI anti-distortion

Face unlock, HDR, panorama
Selfie camera video

4K@30fps, 1080p@30fps

1080p@30fps

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11n ac, 802.11n ax

Wi-Fi 802.11b, 802.11g, 802.11n
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

-
WLAN WiFi Dual Band

Yes

-
USB

Type-C 3.1

microUSB 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

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Infrared

Yes

-
NFC

Yes

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

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BDS

Yes

Yes