DEXP T155 vs OnePlus 7

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900, CDMA 800, 1900
3G network

HSDPA 900, 2100

HSDPA 850, 900, 1700/2100, 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), 25(1900), 26(850), 28(700), 29(700), 30(2300), 32(1500), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100), 71(600)
HSDPA speed

-

42 Mbps
HSUPA speed

-

5.76 Mbps
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE, Cat4, 150 Mbps download, 51 Mbps upload

LTE Cat 16, 1 Gbps download, 150 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic, metal

Aluminium alloy, glass
SIM

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

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

163 mm

157.7 mm
Width

76.6 mm

74.8 mm
Thickness

13.9 mm

8.2 mm
Weight

270 g

182 g
Waterproof

Yes, IP68

-
Dust proof

Yes, IP68

-
Colors

Black, Gold

Gray, Red

Display
Display type

IPS

Optic AMOLED capacitive touchscreen
Physical size

5.5 inches

6.41 inches
Resolution

720 x 1440 pixels

1080 x 2340 pixels
Pixel density

293 ppi

402 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, Dragontrail glass, Oleophobic(lipophobic) coating

Corning Gorilla Glass 6, Scratch resistant, 2.5D curved glass screen
Multitouch

Yes

Yes
Display features

-

DCI-P3

Main camera
Camera type

Dual

Dual
Main camera

8 MP

48 MP, f/1.7 , 1/2" , 0.8 µm
8 MP

5 MP, f/2.4 , 1.12 µm
Interpolated resolution

13 MP

-
Primary camera resolution

3264 x 2448 pixels

8000 x 6000 pixels
Primary camera video

1080p@30fps

2160p@60fps, 1080p@240fps, 720p@480fps
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, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, RAW, phase detection

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
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C reversible connector
USB On-The-Go

-

Yes
Bluetooth

v4.1

v5.0
Bluetooth A2DP

Yes

Yes
NFC

-

Yes
GPS

Yes, with A-GPS

Yes (L1+L5), with A-GPS
GLONASS

Yes

GLONASS (L1)
GALILEO

-

Galileo (E1+E5a)
Beidou

-

Yes

Features
Sensors

Accelerometer, compass, fingerprint, light, proximity

Accelerometer, compass, gyroscope, proximity, light, fingerprint in-display, step detector, step counter, hall