Digma Citi 1578 4G vs vivo X50

Digma Citi 1578 4G

vivo X50

Network
2G network

GSM 900, 1800

GSM 850, 900, 1800, 1900
3G network

HSDPA 1900

HSDPA 900, 2100
4G network

LTE frequency band 1(2100), 3(1800), 7(2600)

LTE frequency band 1, 3, 5, 8, 40
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
LTE speed

LTE, Cat4, 150 Mbps download, 51 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Main camera
Camera type

-

Quad
Main camera

5 MP

48 MP, f/1.6
13 MP, f/2.5 , 50 mm, 1/2.8" , 0.8 µm, 2x optical zoom
8 MP, f/2.2 , 16 mm, 1/4.0" , 1.12 µm
5 MP, f/2.5
Primary camera resolution

2592 x 1944 pixels

8000 x 6000 pixels
Primary camera video

720p@30fps

4K@30fps, 1080p@30fps, gyro-EIS
Primary camera flash

LED

dual-LED dual-tone flash
Camera features

Continuous shooting, digital zoom, geotagging, HDR, face detection, scene mode

Autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

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

-

Yes
WLAN WiFi Direct

-

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C 1.0 reversible connector
USB On-The-Go

-

Yes
Bluetooth

v4.0

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
Bluetooth AptX

-

aptX HD
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes