DEXP G250 vs Oppo R15

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

-

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
HSDPA speed

21 Mbps

-
HSUPA speed

5.76 Mbps

-
HSPA speed

-

HSPA
LTE speed

-

LTE
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic, metal

Front glass, aluminum body
SIM

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

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

146 mm

155.1 mm
Width

72 mm

75.2 mm
Thickness

8.4 mm

7.4 mm
Weight

147 g

175 g
Colors

Black, Gold

Hot Red, Snow White, Star Purple

Main camera
Camera type

-

Dual
Main camera

5 MP

16 MP, f/1.7 , 1/2.6" , 1.22 µm
5 MP, f/2.2
Interpolated resolution

8 MP

-
Primary camera resolution

2592 x 1944 pixels

4608 x 3456 pixels
Primary camera video

1080p@30fps

2160p@30fps
Primary camera Autofocus

-

phase detection autofocus
Primary camera flash

LED

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

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

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

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

Yes

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

microUSB 2.0
USB On-The-Go

-

Yes
Bluetooth

v4.0

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
Bluetooth EDR

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging Push Email

-

Push Email
Sensors

Accelerometer, light, proximity

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