Oppo A31 vs ZTE Axon 30S

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 2100

HSDPA 850, 900, 1900, 2100
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, 3, 4, 5, 7, 8, 12, 17, 20, 34, 38, 39, 40, 41
5G network

-

5G band 1, 3, 28, 38, 41, 78 SA/NSA
HSDPA speed

42 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

-

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE-A

LTE-A (CA), 1200 Mbps download, 210 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic

Glass front, plastic back, plastic frame
SIM

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

Hybrid Dual SIM (Nano-SIM, dual stand-by)
Height

163.9 mm

170.2 mm
Width

75.5 mm

77.8 mm
Thickness

8.3 mm

7.8 mm
Weight

180 g

189 g
Colors

Black, White

Black, Blue

Display
Display type

IPS capacitive touchscreen

AMOLED
Physical size

6.5 inches

6.92 inches
Resolution

720 x 1600 pixels

1080 x 2460 pixels
Pixel density

270 ppi

400 ppi
Display colors

16777216

1073741824
Protection

Scratch resistant

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass
Multitouch

Yes

-
Display features

-

Always-on display, 120Hz

Main camera
Camera type

Triple

Quad
Main camera

12 MP, f/1.8

64 MP, f/1.8 , (wide) , 25 mm, 1/1.73" , 0.8 µm
2 MP, f/2.4 , 27 mm

8 MP, f/2.2 , 16 mm, (ultrawide) , 120˚
2 MP, f/2.4

5 MP, f/2.4 , (macro)
(depth) , 2 MP, f/2.4
Primary camera resolution

4096 x 3072 pixels

9280 x 6920 pixels
Primary camera video

1080p@30fps

4K@30/60fps, 1080p@30fps, gyro-EIS, HDR, 10-bit video
Primary camera flash

LED flash

dual-LED flash
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 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, laser 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

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

Yes

Yes
USB

microUSB 2.0

Type-C 3.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

Yes

Yes