Oppo R15 vs Vertex Impress Ra

Oppo R15

Vertex Impress Ra

Network
2G network

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

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100

HSDPA 900, 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)

LTE frequency band 1(2100), 3(1800), 7(2600), 18(800)
HSPA speed

HSPA

-
LTE speed

LTE

LTE, Cat4, 150 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Main camera
Camera type

Dual

-
Main camera

16 MP, f/1.7 , 1/2.6" , 1.22 µm

8 MP
5 MP, f/2.2
Primary camera resolution

4608 x 3456 pixels

3264 x 2448 pixels
Primary camera video

2160p@30fps

720p@30fps
Primary camera Autofocus

phase detection autofocus

-
Primary camera flash

LED flash

LED flash
Camera features

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

Autofocus, continuous shooting, geotagging, panorama, HDR, touch focus, face detection, exposure compensation, self-timer, scene mode

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac

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

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

-
USB

microUSB 2.0

microUSB 2.0
USB On-The-Go

Yes

-
Bluetooth

v4.2

v4.0
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

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

Accelerometr, light, proximity