LG Q9 vs Microsoft Surface Duo 2

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 850, 900, 1900, 2100
4G network

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900)

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 42, 46, 48, 66, 71
5G network

-

5G band 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77, 78, 79 SA/NSA/Sub6 - global; 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77, 78, 79, 257, 260, 261 SA/NSA/Sub6/mmWave - USA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE, Cat12, 603 Mbps download, 102 Mbps upload

LTE-A (5CA) Cat20, 2000 Mbps download, 150 Mbps upload
5G speed

-

6 Gbps download
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass, Metal

Glass front (Gorilla Glass Victus), glass back (Gorilla Glass)
SIM

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

Nano-SIM, eSIM
Height

153.2 mm

145.2 mm
Width

71.9 mm

93.1 mm
Thickness

7.9 mm

11 mm
Height unfolded

-

184.5 mm
Width unfolded

-

145.2 mm
Thickness unfolded

-

5.5 mm
Weight

159 g

284 g
Stylus

-

Yes
Waterproof

IP68, 1.5m for 30 mins

-
Dust proof

IP68

-
MIL-STD-810G

Yes

-
Colors

Black, Blue, Red

Glacier, Obsidian

Main camera
Camera type

-

Triple
Main camera

16 MP, f/2.2 , 28 mm

12 MP, f/1.7 , 27 mm, (wide) , 1.4 µm
(telephoto) , 12 MP, f/2.4 , 51 mm, 1.0 µm, 2x optical zoom
(ultrawide) , 13 MP, f/2.2 , 1.0 µm
Primary camera resolution

4608 x 3456 pixels

-
Primary camera video

2160p@30fps

4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, HDR
Primary camera flash

LED flash

-
Primary camera phase detection autofocus

phase detection autofocus

-
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, macro mode

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

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, 802.11n 5GHz, 802.11ac, 802.11ax
WLAN WiFi Hotspot

Yes

Wi-Fi hotspot
WLAN WiFi Direct

Yes

Wi-Fi direct
WLAN WiFi Dual Band

Yes

Dual-band
USB

Type-C 1.0 reversible connector

Type-C 3.2, DisplayPort
USB On-The-Go

Yes

-
Bluetooth

v5.0

v5.1
Bluetooth A2DP

Yes

A2DP
bluetooth LE

Yes

LE
Bluetooth AptX

-

aptX Adaptive
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

-
GALILEO

Yes

-
BDS

Yes

-

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Dual accelerometer, dual compass, fingerprint, dual gyroscope, dual proximity