LG Q9 vs Samsung Galaxy S21+ 5G

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800, 1900 & TD-SCDMA
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
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, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71
5G network

-

5G band SA/NSA/Sub6/mmWave
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 (CA)
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass, Metal

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

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

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

153.2 mm

161.5 mm
Width

71.9 mm

75.6 mm
Thickness

7.9 mm

7.8 mm
Weight

159 g

200 (Sub6) / 202 (mmWave) g
Payment

-

Samsung Pay (Visa, MasterCard certified)
Waterproof

IP68, 1.5m for 30 mins

IP68 (1.5m and 30 mins)
Dust proof

IP68

IP68
MIL-STD-810G

Yes

-
Colors

Black, Blue, Red

Black, Gold, Pink, Red, Silver, Violet

Display
Display type

IPS capacitive touchscreen

Dynamic AMOLED 2X
Physical size

6.1 inches

6.7 inches
Resolution

1440 x 3120 pixels

1080 x 2400 pixels
Pixel density

564 ppi

394 ppi
Display colors

16777216

16777216
Protection

Scratch resistant

Scratch resistant, Corning Gorilla Glass Victus
Multitouch

Yes

-
Display features

Always-on display, HDR10

120Hz, HDR10+, 1300 nits (peak), Infinity-O display, Always-On display

Main camera
Camera type

-

Triple
Main camera

16 MP, f/2.2 , 28 mm

12 MP, f/1.8 , 26 mm, (wide) , 1/1.76" , 1.8 µm
(telephoto) , 64 MP, f/2.0 , 1/1.72" , 0.8 µm, 1.1x optical zoom , 3x hybrid zoom
120˚ , (ultrawide) , 12 MP, f/2.2 , 1/2.55" , 1.4 µm
Primary camera resolution

4608 x 3456 pixels

4032 x 3024 pixels
Primary camera video

2160p@30fps

8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS
Primary camera flash

LED 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, 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
DxOMark photo

-

123
DxOMark zoom

-

77
DxOMark video

-

93
DxOMark camera score

-

116

Selfie camera
Selfie camera

8 MP, f/1.9 , 26 mm

10 MP, f/2.2 , 26 mm, (wide) , 80˚ , 1/3.24" , 1.22 µm
Selfie camera resolution

3264 x 2448 pixels

3648 x 2736 pixels
Selfie camera features

-

Autofocus, HDR, phase detection autofocus
Selfie camera video

1080p@30fps

4K@30/60fps, 1080p@30fps

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, 6E
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 1.0 reversible connector

Type-C 3.2
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes