Oppo A31 vs vivo iQOO 9 Pro

Oppo A31

vivo iQOO 9 Pro

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 2100

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

LTE frequency band 1(2100), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)

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 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

IPS capacitive touchscreen

LTPO AMOLED
Physical size

6.5 inches

6.78 inches
Resolution

720 x 1600 pixels

1440 x 3200 pixels
Pixel density

270 ppi

518 ppi
Display colors

16777216

1073741824
Protection

Scratch resistant

Scratch resistant
Multitouch

Yes

-
Display features

-

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

Main camera
Camera type

Triple

Triple
Main camera

12 MP, f/1.8

50 MP, f/1.8 , (wide) , 1/1.57" , 1.0 µm, 30x digital zoom
2 MP, f/2.4 , 27 mm

16 MP, f/2.2 , 60 mm, (telephoto) , 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

4096 x 3072 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, 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, 802.11n 5Ghz, 802.11ac

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

Yes

Yes
USB

microUSB 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD, aptX Adaptive
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

Yes

Yes
QZSS

-

Yes