Xiaomi Redmi 9 vs vivo NEX Dual Display

Xiaomi Redmi 9

vivo NEX Dual Display

Network
2G network

GSM 850, 900, 1800, 1900

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

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

HSDPA 850, 900, 1900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 19(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500)
HSDPA speed

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE-A

LTE-A (4CA), Cat16, 1024 Mbps download, 150 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass 3), plastic back, plastic frame

Aluminium alloy, glass
SIM

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

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

163.3 mm

157.2 mm
Width

77 mm

75.3 mm
Thickness

9.1 mm

8.1 mm
Weight

198 g

199 g
Colors

Blue/Pink, Gray, Green, Purple

Blue

Display
Display type

IPS LCD capacitive touchscreen

Super AMOLED capacitive touchscreen
Physical size

6.53 inches

6.39 inches
Resolution

1080 x 2340 pixels

1080 x 2340 pixels
Pixel density

395 ppi

403 ppi
Display colors

16777216

16777216
Protection

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

Scratch resistant
Multitouch

-

Yes
Secondary screen resolution

-

1080 x 1920 pixels
Secondary screen physical size

-

5.49 inches
Secondary display

-

Super AMOLED

Main camera
Camera type

Quad

Triple
Main camera

13 MP, f/2.2 , 28 mm, 1/3.1" , 1.12 µm

12 MP, f/1.8 , 1/2.55" , 1.4 µm
8 MP, f/2.2 , 1/4.0" , 1.12 µm

2 MP, f/1.8
5 MP, f/2.4

f/1.3 , TOF(time of flight)
2 MP, f/2.4
Primary camera resolution

4160 x 3120 pixels

4032 x 3024 pixels
Primary camera video

1080p@30fps

2160p@30fps, 1080p@30fps
Primary camera flash

LED flash

LED flash
Primary camera phase detection autofocus

-

dual pixel phase detection autofocus
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 image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode

Connectivity
WLAN

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

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

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

-

Yes
USB

Type-C 1.0 reversible connector

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

Yes

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
Beidou

Yes

Yes