UMIDIGI X vs vivo Z1

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
3G network

W-CDMA 800, 850, 900, 1700, 1900, 2100; TD-SCDMA 1880-1920, 2010-2025

HSDPA 850, 900, 1900, 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), 18(800), 19(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100)

LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
LTE speed

LTE Cat 7 301.5 Mbps download, 102 Mbps upload

-
LTE-A speed

-

LTE-A, (2CA) Cat6, 300 Mbps download, 50 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic

Plastic back
SIM

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

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

158.6 mm

154.8 mm
Width

75.6 mm

75.1 mm
Thickness

8.1 mm

7.9 mm
Weight

195 g

149.3 g
Colors

Black, Blue

Black, Blue, Red

Main camera
Camera type

Triple

Dual
Main camera

48 MP, f/1.79 , 1/2" , 1.6 µm

13 MP
8 MP, 1/4" , 1.12 µm

2 MP
5 MP
Primary camera resolution

8000 x 6000 pixels

4160 x 3120 pixels
Primary camera video

1080@30fps

2160p@30fps, 1080p@30fps
Primary camera Autofocus

-

phase detection autofocus
Primary camera flash

dual LED flash

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

Geo-tagging, HDR, face detection, panorama, touch focus

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging Push Email

-

Push Email
Sensors

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

Fingerprint (rear-mounted), accelerometer, compass, gyro, proximity