Samsung Galaxy M21s vs UMIDIGI Z2

Samsung Galaxy M21s

UMIDIGI Z2

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, 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(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 18(800), 39(1900); LTE-TDD 1900, 2300, 2500, 2600 MHz
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, 603 Mbps download, 150 Mbps upload

LTE, Cat7, 301 Mbps download, 102 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

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

Aluminium alloy, glass
SIM

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

Dual SIM (Nano-SIM/Nano-SIM(microSD))
Height

159.2 mm

153.4 mm
Width

75.1 mm

74.4 mm
Thickness

8.9 mm

8.3 mm
Weight

191 g

165 g
Colors

Black, Blue

Black, Blue

Display
Display type

Super AMOLED

IPS capacitive touchscreen
Physical size

6.4 inches

6.2 inches
Resolution

1080 x 2340 pixels

1080 x 2284 pixels
Pixel density

403 ppi

407 ppi
Display colors

16777216

16777216
Protection

2.5D curved glass screen, Corning Gorilla Glass 3

Scratch resistant, 2.5D curved glass screen
Multitouch

-

Yes
Display features

420 nits (typ), Infinity U Display

-

Main camera
Camera type

Triple

Dual
Main camera

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

16 MP, f/2.0 , 1.0 µm
(ultrawide) , 8 MP, f/2.2 , 1/4.0" , 1.12 µm

8 MP
(depth) , 5 MP, f/2.2
Primary camera resolution

9280 x 6920 pixels

4608 x 3456 pixels
Primary camera video

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

2160p@30fps
Primary camera flash

LED 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, 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

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 5 GHz
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C reversible connector
USB On-The-Go

-

Yes
Bluetooth

v5.0

v4.0
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

-
BDS

Yes

-