LG K31 vs Samsung Galaxy S21 FE SD888

LG K31

Samsung Galaxy S21 FE SD888

Network
2G network

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

GSM 850, 900, 1800, 1900; CDMA 800, 1900 & TD-SCDMA
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, 17, 20, 28, 34, 38, 39, 40, 41
5G network

-

5G band SA/NSA/Sub6 - global; SA/NSA/Sub6/mmWave - USA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE

LTE-A (5CA), Cat19, 1600 Mbps download, 200 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic

Glass front (Gorilla Glass Victus), plastic back, aluminum frame
SIM

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

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

147.8 mm

155.7 mm
Width

71.1 mm

74.5 mm
Thickness

8.6 mm

7.9 mm
Weight

146 g

177 g
Payment

-

Samsung Pay (Visa, MasterCard certified)
Waterproof

-

IP68 (1.5m and 30 mins)
Dust proof

-

IP68
MIL-STD-810G

Yes

-
Colors

Silver

Graphite, Lavender, Olive, White

Main camera
Camera type

Dual

Triple
Main camera

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

12 MP, f/1.8 , 26 mm, 1/1.76" , 1.8 µm, (wide) , 79˚ , 30x digital zoom
5 MP, f/2.2 , 1/5.0" , 1.12 µm

8 MP, f/2.4 , 1/4.5" , 1.0 µm, (telephoto) , 76 mm, 3x optical zoom , 30x digital zoom
123˚ , (ultrawide) , 12 MP, f/2.2 , 13 mm, 1/3.0" , 1.12 µm
Primary camera resolution

4160 x 3120 pixels

4032 x 3024 pixels
Primary camera video

1080p@30fps

4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, gyro-EIS
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, 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

5 MP, f/2.2 , 24 mm, 1/5.0" , 1.12 µm

32 MP, f/2.2 , 26 mm, 1/2.74" , 0.8 µm, (wide) , 81˚
Selfie camera resolution

2560 x 1920 pixels

-
Selfie camera features

-

HDR, face detection, face unlock
Selfie camera video

1080p@30fps

4K@30/60fps, 1080p@30/60fps, gyro-EIS

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

v5.0
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