Oppo A83 vs Vertex Impress Vira

Oppo A83

Vertex Impress Vira

Network
2G network

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

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 2100 - India, Thailand; HSDPA 850, 900, 1900, 2100 - China

HSDPA 900, 2100
4G network

LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 40(2300), 41(2500) - India, Thailand; LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) - China

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

13 MP, f/2.2

8 MP
0.3 MP
Primary camera resolution

4160 x 3120 pixels

3264 x 2448 pixels
Primary camera video

1080p@30fps

720p@30fps
Primary camera Autofocus

autofocus

-
Primary camera flash

LED flash

LED flash
Camera features

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

Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene mode

Connectivity
WLAN

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

Wi-Fi 802.11b, 802.11g, 802.11n, 802.11n 5GHz
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

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

-
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes