Ulefone Tab A7 vs vivo NEX Dual Display

Ulefone Tab A7

vivo NEX Dual Display

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, 1900, 2100
4G network

LTE frequency band 1, 2, 3, 5, 7, 8, 20

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 19(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500)
HSDPA speed

21.1 Mbps

-
HSUPA speed

5.76 Mbps

-
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE, Cat4, 301 Mbps download, 102 Mbps upload

LTE-A (4CA), Cat16, 1024 Mbps download, 150 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Main camera
Camera type

Single

Triple
Main camera

13 MP, f/2.2 , 1/4" , 1.4 µm

12 MP, f/1.8 , 1/2.55" , 1.4 µm
2 MP, f/1.8
TOF(time of flight) , f/1.3
Primary camera resolution

4160 x 3120 pixels

4032 x 3024 pixels
Primary camera video

4K@30fps, 1080p@30fps

2160p@30fps, 1080p@30fps
Primary camera flash

LED flash

LED flash
Primary camera phase detection autofocus

-

dual pixel phase detection autofocus
Camera features

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

Autofocus, continuous shooting, digital zoom, 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, 802.11ac

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

Wi-Fi hotspot

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

Dual-band

Yes
USB

Type-C 2.0

Type-C 1.0 reversible connector
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

A2DP

Yes
bluetooth LE

LE

Yes
NFC

No

-
GPS

Yes

Yes, with A-GPS
GLONASS

Yes

Yes
Beidou

-

Yes
BDS

Yes

-