DEXP T155 vs Oppo A9

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 900, 2100

HSDPA 800, 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), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE, Cat4, 150 Mbps download, 51 Mbps upload

LTE Cat 13, 391.6 Mbps download, 150.7 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/microSD)
Height

163 mm

162 mm
Width

76.6 mm

76.1 mm
Thickness

13.9 mm

8.3 mm
Weight

270 g

190 g
Waterproof

Yes, IP68

-
Dust proof

Yes, IP68

-
Colors

Black, Gold

Purple, Green, Blue, White

Display
Display type

IPS

IPS capacitive touchscreen
Physical size

5.5 inches

6.53 inches
Resolution

720 x 1440 pixels

1080 x 2340 pixels
Pixel density

293 ppi

395 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, Dragontrail glass, Oleophobic(lipophobic) coating

2.5D curved glass screen, Scratch resistant
Multitouch

Yes

Yes

Main camera
Camera type

Dual

Dual
Main camera

8 MP

16 MP, f/1.8
8 MP

2 MP, f/2.4
Interpolated resolution

13 MP

-
Primary camera resolution

3264 x 2448 pixels

4608 x 3456 pixels
Primary camera video

1080p@30fps

2160@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, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, 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
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

microUSB 2.0
USB On-The-Go

-

Yes
Bluetooth

v4.1

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
Bluetooth EDR

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
Beidou

-

Yes