Realme C21 vs Xiaomi Black Shark 5 RS

Realme C21

Xiaomi Black Shark 5 RS

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
3G network

HSDPA 850, 900, 2100

HSDPA 800, 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, 4, 5, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41
5G network

-

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

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

-

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE, Cat4, 150 Mbps download, 51 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

IPS LCD

AMOLED
Physical size

6.5 inches

6.67 inches
Resolution

720 x 1600 pixels

1080 x 2400 pixels
Pixel density

270 ppi

395 ppi
Display colors

16777216

1073741824
Protection

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

Scratch resistant
Display features

-

Always-on display, 144Hz, 1300 nits (peak)

OS
OS

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

Android 12, Joy UI 12.8

Main camera
Camera type

Triple

Triple
Main camera

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

(wide) , 64 MP, f/1.8 , 1/1.97" , 0.7 µm, 79˚
(macro) , 2 MP, f/2.4

(ultrawide) , 8 MP, f/2.2 , 120˚
(depth) , 2 MP, f/2.4

(telephoto macro) , 5 MP, f/2.4
Primary camera resolution

2560 x 1920 pixels

9280 x 6920 pixels
Primary camera video

1080p@30fps

4K@30/60fps, 1080p@30/60/240fps, 1080p@960fps; HDR10+
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, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus

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
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C 2.0
USB On-The-Go

Yes

-
Bluetooth

v5.0

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD, aptX Adaptive
NFC

No

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
BDS

Yes

Yes
QZSS

-

Yes