AGM X3 vs LG K31

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

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

HSDPA 850, 900, 1700, 1900, 2100; TD-SCDMA 1880-1920 MHz; TD-SCDMA 2010-2025 MHz

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 18(800), 39(1900); LTE-TDD 1900, 2300, 2500, 2600 MHz

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

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
EV-DO speed

3.1 Mbps download, 1.8 Mbps upload

-
LTE speed

LTE, Cat18, 1.2 Gbps download, 221 Mbps upload

LTE
GPRS

Yes

Yes
EDGE

Yes

Yes

Main camera
Camera type

Dual

Dual
Main camera

24 MP, 0.881 µm

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

5 MP, f/2.2 , 1/5.0" , 1.12 µm
Primary camera resolution

5632 x 4224 pixels

4160 x 3120 pixels
Primary camera video

1080p@30fps

1080p@30fps
Primary camera flash

dual-LED flash

LED flash
Primary camera phase detection autofocus

phase detection autofocus

-
Camera features

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

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

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5 GHz, 802.11ac

Wi-Fi 802.11b, 802.11g, 802.11n
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

-
USB

Type-C reversible connector

microUSB 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

-
Beidou

Yes

-