LG K31 vs Xiaomi 12S

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800, 1900

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

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

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
4G network

LTE frequency band 2, 4, 5, 12, 13, 25, 26, 41, 66, 71

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
5G network

-

5G band 1, 3, 5, 8, 28, 38, 40, 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 2.4 Mbps download, 0.15 Mbps upload
LTE speed

LTE

LTE-A
GPRS

Yes

Class 33
EDGE

Yes

Class 33

Design
Build

Plastic

Glass front (Gorilla Glass Victus), glass back or eco leather back, aluminum frame
SIM

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

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

147.8 mm

152.7 mm
Width

71.1 mm

69.9 mm
Thickness

8.6 mm

8.2/8.7 mm
Weight

146 g

179/182 g
MIL-STD-810G

Yes

-
Colors

Silver

Gray, Green, Purple, White

Main camera
Camera type

Dual

Triple
Main camera

13 MP, f/1.8 , 27 mm, 1/3.1" , 1.12 µm

50 MP, f/1.9 , 24 mm, 1/1.28" , 1.22 µm, (wide)
5 MP, f/2.2 , 1/5.0" , 1.12 µm

13 MP, f/2.4 , 1/3.06" , 1.22 µm, (ultrawide) , 123˚ , 15 mm
(telephoto macro) , 5 MP, f/2.4 , 50 mm
Primary camera resolution

4160 x 3120 pixels

8190 x 6144 pixels
Primary camera video

1080p@30fps

8K@24fps, 4K@30/60fps, 1080p@30/60fps, 720p@1920fps, gyro-EIS
Primary camera optics

-

Leica lens
Primary camera flash

LED flash

dual-LED dual-tone flash
Camera features

Autofocus, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus

Autofocus, continuous autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, face unlock, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus, super night mode 2.0, cyberfocus

Selfie camera
Selfie camera type

-

Single
Selfie camera

5 MP, f/2.2 , 24 mm, 1/5.0" , 1.12 µm

32 MP, f/2.5 , 26 mm, 0.7 µm, (wide) , 80˚
Selfie camera resolution

2560 x 1920 pixels

-
Selfie camera features

-

Face unlock, HDR
Selfie camera video

1080p@30fps

1080p@30/60fps, 720p@120fps, HDR

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

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
Infrared

-

Yes
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes
QZSS

-

Yes
NavIC

-

Yes