LG K31 vs Samsung Galaxy Z Flip4

LG K31

Samsung Galaxy Z Flip4

Network
2G network

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

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

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

HSDPA 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, 12, 13, 14, 17, 18, 19, 20, 25, 28, 29, 34, 38, 39, 40, 41, 66
5G network

-

5G band 1, 3, 20, 41, 77, 78, 79, 81 SA/NSA/Sub6/mmWave
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE

LTE-A (6CA)
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic

Plastic front (opened), glass back (Gorilla Glass Victus+), aluminum frame
SIM

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

Nano-SIM, eSIM
Height

147.8 mm

84.9 mm
Width

71.1 mm

71.9 mm
Thickness

8.6 mm

15.9-17.1 mm
Height unfolded

-

165.2 mm
Width unfolded

-

71.9 mm
Thickness unfolded

-

6.9 mm
Weight

146 g

187 g
Payment

-

Samsung Pay (Visa, MasterCard certified)
Waterproof

-

IPX8, 1.5m and 30 minutes
MIL-STD-810G

Yes

-
Colors

Silver

Blue, Pink Gold, Graphite, Khaki, Navy, Purple, Red, Yellow

Main camera
Camera type

Dual

Dual
Main camera

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

12 MP, f/1.8 , 24 mm, 1.8 µm, (wide) , 83˚ , 10x digital zoom
5 MP, f/2.2 , 1/5.0" , 1.12 µm

12 MP, f/2.2 , 1.12 µm, (ultrawide) , 123˚
Primary camera resolution

4160 x 3120 pixels

4032 x 3024 pixels
Primary camera video

1080p@30fps

4K@30/60fps, 1080p@60/240fps, 720p@960fps, HDR10+
Primary camera flash

LED flash

LED 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 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, phase detection autofocus, tracking autofocus

Selfie camera
Selfie camera type

-

Single
Selfie camera

5 MP, f/2.2 , 24 mm, 1/5.0" , 1.12 µm

10 MP, f/2.4 , 26 mm, 1.22 µm, (wide) , 80˚
Selfie camera resolution

2560 x 1920 pixels

-
Selfie camera features

-

Autofocus, face unlock, HDR
Selfie camera video

1080p@30fps

4K@30fps

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
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes