Xiaomi Redmi K30 vs vivo X9s Plus

Network
2G network

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

GSM 900, 1800
3G network

HSDPA 850, 900, 2100; CDMA2000 1xEV-DO

HSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DO & TD-SCDMA
4G network

LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)

LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)
HSDPA speed

42 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A

-
LTE-A speed

-

LTE-A, (2CA) Cat6, 300 Mbps download, 50 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Aluminium alloy, glass

-
SIM

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

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

165.3 mm

162.6 mm
Width

76.6 mm

78.9 mm
Thickness

8.8 mm

7.3 mm
Weight

208 g

183.2 g
Colors

Blue, Purple, Red

Black, Gold, Rose Gold

Display
Display type

IPS LCD capacitive touchscreen

AMOLED capacitive touchscreen
Physical size

6.67 inches

5.85 inches
Resolution

1080 x 2400 pixels

1080 x 1920 pixels
Pixel density

395 ppi

377 ppi
Display colors

16777216

16777216
Protection

2.5D curved glass screen, Scratch resistant, Corning Gorilla Glass 5, Oleophobic coating

-
Multitouch

Yes

Yes
Display features

HDR10, 120Hz sampling rate

-

Main camera
Camera type

Quad

-
Main camera

64 MP, f/1.9 , 26 mm, 1/1.7" , 0.8 µm

16 MP
8 MP, f/2.2 , 13 mm, 1/4" , 1.12 µm
2 MP, f/2.4 , 1/5" , 1.75 µm
2 MP, f/2.4 , 1/5" , 1.75 µm
Primary camera resolution

9248 x 6944 pixels

-
Primary camera video

2160p@30fps, 1080p@30/120fps, 720p@960fps

1080p@30fps
Primary camera Autofocus

-

phase detection autofocus
Primary camera flash

dual LED flash

LED 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, phase detection autofocus

1/2.8" sensor size, HDR, face detection, geo-tagging, panorama, touch focus

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, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C reversible connector

microUSB 2.0
USB On-The-Go

Yes

-
USB host

-

Yes
Bluetooth

v5.0

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

Yes

-
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

-
GALILEO

Yes

-
Beidou

Yes

-

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging Push Email

-

Push Email
Java

-

No
Sensors

Accelerometer, barometer, compass, geomagnetic, gravity, gyroscope, pedometer, proximity, light, side-mounted fingerprint sensor

Fingerprint (front-mounted), accelerometer, compass, proximity