Samsung Galaxy A51 vs UMIDIGI C2

Samsung Galaxy A51

UMIDIGI C2

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

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

HSDPA 900, 2100
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100)

LTE frequency band 1(2100), 3(1800), 7(2600), 18(800)
HSDPA speed

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
LTE speed

LTE, Cat12, 603 Mbps download, 102 Mbps upload

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

Yes

Yes
EDGE

Yes

Yes

Design
Build

Front glass, plastic body

Aluminium alloy
SIM

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

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

158.5 mm

142.6 mm
Width

73.6 mm

69.25 mm
Thickness

7.9 mm

9.5 mm
Weight

172 g

148 g
Colors

Black, Blue, Pink, White

Black

Display
Display type

Super AMOLED capacitive touchscreen

IGZO
Physical size

6.5 inches

5 inches
Resolution

1080 x 2400 pixels

1080 x 1920 pixels
Pixel density

405 ppi

441 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, Corning Gorilla Glass 3

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 4
Multitouch

Yes

Yes

Main camera
Camera type

Quad

-
Main camera

48 MP, f/2.0 , 26 mm, 1/2" , 0.8 µm

13 MP, 1.127 µm
12 MP, f/2.2 , 13 mm, 1.12 µm
5 MP, f/2.4 , 40 mm
5 MP, f/2.2 , 1/5.0" , 1.12 µm
Primary camera resolution

8000 x 6000 pixels

4160 x 3120 pixels
Primary camera video

2160p@30fps, 1080p@30/60/120fps

1080p@30fps
Primary camera flash

LED flash

LED flash
Primary camera phase detection autofocus

-

phase detection autofocus
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

Autofocus, continuous shooting, 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
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

-
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

Yes

-
USB

Type-C 1.0 reversible connector

microUSB 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v4.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

-
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

-
GALILEO

Yes

-
Beidou

Yes

-

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, light, proximity, in-display fingerprint sensor

Accelerometer, compass, fingerprint, gyroscope, hall, light, proximity