Lava Z90 vs Oppo A1k

Network
2G network

GSM 900, 1800

GSM 850, 900, 1800, 1900
3G network

HSDPA 900, 2100

WCDMA 850, 900, 2100
4G network

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

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 28(700), 38(2600), 40(2300), 41(2500)
HSDPA speed

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
LTE speed

LTE, Cat4, 150 Mbps download, 50 Mbps upload

LTE Cat 4, 150.8 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

-

Plastic body
SIM

Dual SIM (Micro-SIM, dual stand-by)

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

148.5 mm

154.5 mm
Width

73.1 mm

73.8 mm
Thickness

8.1 mm

8.4 mm
Weight

159 g

170 g
Colors

Blue, Gold

Black, Red

Display
Display type

IPS LCD capacitive touchscreen

IPS capacitive touchscreen
Physical size

5.2 inches

6.1 inches
Resolution

720 x 1280 pixels

720 x 1560 pixels
Pixel density

282 ppi

282 ppi
Display colors

16777216

16777216
Protection

Corning Gorilla Glass 3

2.5D curved glass screen, scratch resistant, Corning Gorilla Glass 3
Multitouch

Yes, max 5 fingers

Yes

Main camera
Camera type

Dual

Single
Main camera

8 MP, f/2.0

8 MP, f/2.2 , 1/3.2" , 1.4 µm
2 MP
Primary camera resolution

-

3264 x 2448 pixels
Primary camera video

1080p@30fps

1080p@30fps
Primary camera flash

LED flash

LED flash
Camera features

Geo-tagging

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

Connectivity
WLAN

Wi-Fi 802.11a, 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

-
Wi-Fi display

-

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
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
Beidou

-

Yes

Features
Messaging SMS

SMS(threaded view)

-
Messaging MMS

MMS

-
Messaging Email

Email

-
Messaging IM

IM

-
Java

No

-
Sensors

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

Accelerometer, proximity, light, compass, fingerprint