Realme C21 vs Xiaomi Redmi K70

Realme C21

Xiaomi Redmi K70

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 2100

HSDPA 800, 850, 900, 1700(AWS), 2100; CDMA2000 1x
4G network

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

LTE frequency band 1, 3, 4, 5, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66
5G network

-

5G band 1, 3, 5, 8, 28, 38, 41, 48, 66, 77, 78 SA/NSA
HSDPA speed

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
LTE speed

LTE, Cat4, 150 Mbps download, 51 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

IPS LCD

OLED
Physical size

6.5 inches

6.67 inches
Resolution

720 x 1600 pixels

1440 x 3200 pixels
Pixel density

270 ppi

526 ppi
Display colors

16777216

68719476736
Protection

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

Scratch resistant
Display features

-

120Hz, Dolby Vision, HDR10+, 4000 nits (peak)

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, f/1.6 , 1/1.55" , 1.0 µm
(macro) , 2 MP, f/2.4

(ultrawide) , 8 MP
(depth) , 2 MP, f/2.4

(macro) , 2 MP
Primary camera resolution

2560 x 1920 pixels

9280 x 6920 pixels
Primary camera video

1080p@30fps

8K@24fps, 4K@24/30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS
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, optical 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, phase detection autofocus, flicker sensor

Selfie camera
Selfie camera type

Single

Single
Selfie camera

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

(wide) , 16 MP
Selfie camera resolution

2560 x 1920 pixels

4608 x 3456 pixels
Selfie camera features

Face unlock, HDR, panorama

Face unlock, HDR, face detection
Selfie camera video

1080p@30fps

1080p@30/60fps, gyro-EIS

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

-
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.3
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

-

Yes
NFC

No

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
BDS

Yes

Yes
QZSS

-

Yes
NavIC

-

Yes