Lava Z91 vs Vertex Impress Vira

Lava Z91

Vertex Impress Vira

Network
2G network

GSM 900, 1800

GSM 850, 900, 1800, 1900
3G network

HSDPA 900, 2100

HSDPA 900, 2100
4G network

LTE frequency band 1(2100), 3(1800), 5(850), 40(2300), 41(2500)

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

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
LTE speed

LTE, Cat4, 150 Mbps download, 50 Mbps upload

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

Yes

Yes
EDGE

Yes

Yes

Main camera
Camera type

-

Dual
Main camera

13 MP, f/2.0 , 1.12 µm

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
Camera features

Geo-tagging, face detection, 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, 802.11ac

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
Bluetooth

v4.0

v4.0
Bluetooth A2DP

Yes

Yes
NFC

-

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 IM

IM

-
Sensors

Fingerprint (rear-mounted), accelerometer, proximity

Accelerometer, light, proximity