LG Q51 vs vivo iQOO 9 Pro

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 1900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
4G network

LTE frequency 1(2100), 3(1800), 7(2600), 8(900), 20(800)

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 32, 34, 38, 39, 40, 41, 42, 66
5G network

-

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78, 79 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A (2CA), Cat6, 300 Mbps download, 75 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

IPS LCD capacitive touchscreen

LTPO AMOLED
Physical size

6.5 inches

6.78 inches
Resolution

720 x 1520 pixels

1440 x 3200 pixels
Pixel density

259 ppi

518 ppi
Display colors

16777216

1073741824
Protection

-

Scratch resistant
Multitouch

Yes

-
Display features

-

120Hz, HDR10+, Dolby Vision, 1000 nits (HBM), 1500 nits (peak)

Main camera
Camera type

Triple

Triple
Main camera

13 MP, f/2.2

50 MP, f/1.8 , (wide) , 1/1.57" , 1.0 µm, 30x digital zoom
5 MP, 13 mm

16 MP, 60 mm, (telephoto) , f/2.2 , 1/3.1" , 1.0 µm, 2.5x optical zoom
2 MP, f/2.4

50 MP, f/2.3 , 150˚ , (ultrawide) , 15 mm
Primary camera resolution

4160 x 3120 pixels

8160 x 6144 pixels
Primary camera video

1080p@30fps

8K@30fps, 4K@30fps, 1080p@30fps, gyro-EIS
Primary camera flash

LED flash

Dual-LED lash
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, phase detection autofocus

Autofocus, continuous autofocus, continuous shooting, digital zoom, optical 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, phase detection autofocus, night mode

Connectivity
WLAN

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

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

Yes
USB

Type-C 1.0 reversible connector

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.0

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD, aptX Adaptive
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
Beidou

Yes

-
BDS

-

Yes
QZSS

-

Yes