DEXP T155 vs UMIDIGI X

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 900, 2100

W-CDMA 800, 850, 900, 1700, 1900, 2100; TD-SCDMA 1880-1920, 2010-2025
4G network

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

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 speed

LTE, Cat4, 150 Mbps download, 51 Mbps upload

LTE Cat 7 301.5 Mbps download, 102 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic, metal

Plastic
SIM

Dual SIM (Nano-SIM/Nano-SIM(microSD), dual stand-by)

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

163 mm

158.6 mm
Width

76.6 mm

75.6 mm
Thickness

13.9 mm

8.1 mm
Weight

270 g

195 g
Waterproof

Yes, IP68

-
Dust proof

Yes, IP68

-
Colors

Black, Gold

Black, Blue

Display
Display type

IPS

AMOLED
Physical size

5.5 inches

6.35 inches
Resolution

720 x 1440 pixels

720 x 1548 pixels
Pixel density

293 ppi

269 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, Dragontrail glass, Oleophobic(lipophobic) coating

2.5D curved glass screen
Multitouch

Yes

Yes

Main camera
Camera type

Dual

Triple
Main camera

8 MP

48 MP, f/1.79 , 1/2" , 1.6 µm
8 MP

8 MP, 1/4" , 1.12 µm
5 MP
Interpolated resolution

13 MP

-
Primary camera resolution

3264 x 2448 pixels

8000 x 6000 pixels
Primary camera video

1080p@30fps

1080@30fps
Primary camera flash

LED

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

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 802.11b, 802.11g, 802.11n

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

Yes

Yes
WLAN WiFi Direct

-

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C reversible connector
USB On-The-Go

-

Yes
Bluetooth

v4.1

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth HID

-

Yes
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
Beidou

-

Yes

Features
Sensors

Accelerometer, compass, fingerprint, light, proximity

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