Samsung Galaxy M21s vs UMIDIGI Bison 2

Samsung Galaxy M21s

UMIDIGI Bison 2

Network
2G network

GSM 850, 900, 1800, 1900

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

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

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

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

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

42.2 Mbps

21.1 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A, 603 Mbps download, 150 Mbps upload

LTE, 301 Mbps download, 151 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass 3), plastic back, plastic frame

Metal, polycarbonate, TPU
SIM

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

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

159.2 mm

172.07 mm
Width

75.1 mm

83.82 mm
Thickness

8.9 mm

12.9 mm
Weight

191 g

280 g
Waterproof

-

IP68/IP69K
Dust proof

-

IP68/IP69K
MIL-STD-810G

-

Yes
Colors

Black, Blue

Orange, Yellow

Display
Display type

Super AMOLED

IPS TFT
Physical size

6.4 inches

6.5 inches
Resolution

1080 x 2340 pixels

1080 x 2400 pixels
Pixel density

403 ppi

405 ppi
Display colors

16777216

16777216
Protection

2.5D curved glass screen, Corning Gorilla Glass 3

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

420 nits (typ), Infinity U Display

-

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 64 MP, f/1.8 , 26 mm, 1/1.72" , 0.8 µm

(standard) , 48 MP, f/1.8 , 1/2" , 0.8 µm
(ultrawide) , 8 MP, f/2.2 , 1/4.0" , 1.12 µm

(ultrawide) , 16 MP, f/2.2 , 117˚
(depth) , 5 MP, f/2.2

(macro) , 5 MP, f/2.4 , 88˚
Primary camera resolution

9280 x 6920 pixels

8000 x 6000 pixels
Primary camera video

4K@30fps, 1080p@30fps, gyro-EIS

2160p@30fps
Primary camera flash

LED flash

dual-LED flash
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, phase detection autofocus

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 802.11a, 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 2.0

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.0

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth HID

-

Yes
bluetooth LE

Yes

-
NFC

No

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

-

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Altimeter, accelerometer, barometer, compass, fingerprint, geomagnetic, gyroscope, IR thermometer 2.0, magnetometer, pedometer, proximity