Samsung Gear S2 classic 3G vs UMIDIGI A3 Pro

Samsung Gear S2 classic 3G

UMIDIGI A3 Pro

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA

HSDPA 850, 900, 1700, 1900, 2100
4G network

-

LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 18(800), 39(1900); LTE-TDD 2300, 2500, 2600 MHz
LTE speed

-

LTE, Cat4, 150 Mbps download, 51 Mbps upload
GPRS

No

Yes
EDGE

No

Yes

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n, 802.11e

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

-

Yes
WLAN WiFi Direct

-

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0
Bluetooth

v4.1

v4.0
Bluetooth A2DP

-

Yes
NFC

Yes

-
GPS

No

Yes, with A-GPS
GLONASS

-

Yes
Beidou

-

Yes

Features
Messaging SMS

SMS(threaded view)

-
Messaging MMS

MMS

-
Messaging Email

Email

-
Messaging IM

IM

-
Java

No

-
Sensors

Accelerometer, barometer, gyro, heart rate

Accelerometer, compass, fingerprint, gyroscope, light, proximity

Main camera
Camera type

-

Dual
Main camera

12 MP, f/2.0 , 1.25 µm
5 MP
Primary camera resolution

-

4032 x 3024 pixels
Primary camera video

-

1080p@30fps
Primary camera flash

-

dual-LED flash
Primary camera phase detection autofocus

-

phase detection autofocus
Camera features

-

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