vivo V21s vs vivo X50

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100

HSDPA 900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41, 66

LTE frequency band 1, 3, 5, 8, 40
5G network

5G band 1, 28, 40, 41, 77, 78, 79 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-A, Cat12, 1200 Mbps download, 150 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic

Glass front, glass back, aluminum frame
SIM

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

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

159.7 mm

159.5 mm
Width

73.9 mm

75.4 mm
Thickness

7.3 mm

7.6 mm
Weight

176 / 177 g

173 g
Colors

Blue, Gradient

Black, Blue

Main camera
Camera type

Triple

Quad
Main camera

(wide) , 64 MP, f/1.8 , 26 mm, 0.7 µm

48 MP, f/1.6
(ultrawide) , 8 MP, f/2.2 , 120˚ , 16 mm, 1/4.0" , 1.12 µm

13 MP, f/2.5 , 50 mm, 1/2.8" , 0.8 µm, 2x optical zoom
(macro) , 2 MP, f/2.4

8 MP, f/2.2 , 16 mm, 1/4.0" , 1.12 µm
5 MP, f/2.5
Primary camera resolution

9280 x 6920 pixels

8000 x 6000 pixels
Primary camera video

4K@30fps, 1080p@30/60fps

4K@30fps, 1080p@30fps, gyro-EIS
Primary camera flash

LED flash

dual-LED dual-tone flash
Camera features

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

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

Selfie camera
Selfie camera type

Single

-
Selfie camera

(wide) , 44 MP, f/2.0 , 150 mm

32 MP, f/2.5 , 26 mm, 1/2.8" , 0.8 µm
Selfie camera resolution

-

6528 x 4896 pixels
Selfie camera features

Autofocus, face unlock, HDR, optical image stabilization

-
Selfie camera video

4K@30fps, 1080p@30fps

1080p@30fps

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

-

Yes
WLAN WiFi Direct

-

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 1.0 reversible connector
USB On-The-Go

Yes

Yes
Bluetooth

v5.1

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes