Samsung Galaxy A3 (2017) vs vivo NEX Dual Display

Samsung Galaxy A3 (2017)

vivo NEX Dual Display

Network
2G network

GSM 850, 900, 1800, 1900 - EMEA; HSDPA 850, 900, 1700(AWS), 1900, 2100 - SEA, LATAM

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

HSDPA 850, 900, 1900, 2100 - EMEA; HSDPA 850, 900, 1700(AWS), 1900, 2100 - SEA, LATAM

HSDPA 850, 900, 1900, 2100
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300) - EMEA; LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 17(700), 20(800), 28(700), 38(2600), 40(2300), 41(2500) - SEA, LATAM

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

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

-

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

LTE-A, (2CA) Cat6, 300 Mbps download, 50 Mbps upload

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

-

Aluminium alloy, glass
SIM

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

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

135.4 mm

157.2 mm
Width

66.2 mm

75.3 mm
Thickness

7.9 mm

8.1 mm
Weight

135 g

199 g
Waterproof

1.5 m and 30 minutes

-
Dust proof

Yes

-
Colors

Black Sky, Blue Mist, Gold Sand, Peach Cloud

Blue

Display
Display type

Super AMOLED capacitive touchscreen

Super AMOLED capacitive touchscreen
Physical size

4.7 inches

6.39 inches
Resolution

720 x 1280 pixels

1080 x 2340 pixels
Pixel density

312 ppi

403 ppi
Display colors

16777216

16777216
Protection

Corning Gorilla Glass

Scratch resistant
Multitouch

Yes

Yes
Secondary screen resolution

-

1080 x 1920 pixels
Secondary screen physical size

-

5.49 inches
Secondary display

-

Super AMOLED

Main camera
Camera type

-

Triple
Main camera

13 MP, f/1.9

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

-

4032 x 3024 pixels
Primary camera video

1080p@30fps

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

autofocus

-
Primary camera flash

LED flash

LED flash
Primary camera phase detection autofocus

-

dual pixel phase detection autofocus
Camera features

Geo-tagging, face detection, panorama, touch focus

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

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C reversible connector

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

-

Yes
Bluetooth

v4.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
Beidou

-

Yes
BDS

Yes

-

Features
Messaging SMS

SMS(threaded view)

-
Messaging MMS

MMS

-
Messaging Email

Email

-
Messaging IM

IM

-
Messaging Push Mail

Push Mail

-
Java

No

-
Sensors

Fingerprint (front-mounted), accelerometer, barometer, compass, gyro, proximity

Accelerometer, compass, fingerprint, gyroscope, light, proximity