UMIDIGI A3S vs Xiaomi Mi Watch (China)

UMIDIGI A3S

Xiaomi Mi Watch (China)

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

W-CDMA 850, 900, 1700, 1900, 2100

HSDPA 850, 900, 1900
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(850), 19(850), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500)

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 20(800), 26(850), 39(1900), 40(2300), 41(2500)
LTE speed

LTE Cat 4, 150 Mbps download, 51 Mbps upload

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GPRS

Yes

-
EDGE

Yes

-

Main camera
Camera type

Dual

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Main camera

16 MP, f/2.0 , 0.26" , 1.132 µm
5 MP
Primary camera resolution

4608 x 3456 pixels

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Primary camera video

1080p@30fps

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Primary camera flash

dual LED flash

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Camera features

Autofocus, continuous shooting, 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

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Connectivity
WLAN

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

Wi-Fi 802.11b, 802.11g, 802.11n
WLAN WiFi Hotspot

Yes

-
WLAN WiFi Direct

Yes

-
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

Yes

-
USB

microUSB 2.0

No
USB On-The-Go

Yes

-
Bluetooth

v5.0

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth HID

Yes

-
bluetooth LE

Yes

Yes
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

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Beidou

Yes

-
BDS

-

Yes