Oppo A12s vs vivo NEX 3 5G

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 800, 900, 2100

HSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DO
4G network

LTE frequency band 1, 3, 5, 8, 38, 40, 41

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800), 20(800), 26(850), 28(700), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
5G network

-

5G NSA; N41, N78
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A

LTE-A (5CA), Cat18, 1200 Mbps download, 150 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front, plastic back, plastic frame

Front/back glass, aluminum frame
SIM

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

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

155.9 mm

167.4 mm
Width

75.5 mm

76.1 mm
Thickness

8.3 mm

9.4 mm
Weight

165 g

218.5 g
Colors

Blue, Silver

Black, Blue

Display
Display type

IPS LCD capacitive touchscreen

Super AMOLED capacitive touchscreen
Physical size

6.2 inches

6.89 inches
Resolution

720 x 1520 pixels

1080 x 2256 pixels
Pixel density

271 ppi

363 ppi
Display colors

16777216

16777216
Protection

2.5D curved glass screen, Corning Gorilla Glass 3

Scratch resistant, 3D curved glass screen
Multitouch

-

Yes
Display features

450 nits typ. brightness

-

Main camera
Camera type

Dual

Triple
Main camera

13 MP, f/2.2 , 1/3.1" , 1.12 µm

64 MP, f/1.8 , 1/1.7" , 0.8 µm
2 MP, f/2.4

13 MP, f/2.5 , 13 mm
13 MP, f/2.2
Primary camera resolution

4160 x 3120 pixels

-
Primary camera video

1080p@30fps

2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS
Primary camera flash

LED flash

LED flash
Camera features

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

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

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
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 1.0 reversible connector
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
Beidou

Yes

-
BDS

-

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, gravity, gyroscope, light, proximity, in-display fingerprint sensor