UMIDIGI Bison 2021 vs Xiaomi Mi Watch (China)

UMIDIGI Bison 2021

Xiaomi Mi Watch (China)

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100

HSDPA 850, 900, 1900
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 66

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)
HSDPA speed

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
LTE speed

LTE, Cat6, 301 Mbps download, 51 Mbps upload

-
GPRS

Yes

-
EDGE

Yes

-

Display
Display type

IPS TFT

Super AMOLED capacitive touchscreen
Physical size

6.3 inches

1.78 inches
Resolution

1080 x 2340 pixels

368 x 448 pixels
Pixel density

409 ppi

326 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass

-
Display features

Glove mode

-

Main camera
Camera type

Quad

-
Main camera

(standard) , 48 MP, f/1.79 , 1/2" , 0.8 µm
(ultrawide) , 16 MP, 120˚
(depth) , 5 MP
(macro) , 5 MP
Primary camera resolution

8000 x 6000 pixels

-
Primary camera video

1080p@30fps

-
Primary camera flash

dual-LED flash

-
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, macro-mode, phase detection autofocus

-

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

-
WLAN WiFi Dual Band

Yes

-
USB

Type-C 2.0

No
USB On-The-Go

Yes

-
Bluetooth

v4.2

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth HID

Yes

-
bluetooth LE

-

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
BDS

-

Yes

Features
Sensors

Altimeter, accelerometer, barometer, compass, fingerprint, geomagnetic, gyroscope, light, magnetometer, pedometer, proximity

Accelerometer, barometer, gyro, heart rate