Oppo A1k vs Zoji Z9

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

WCDMA 850, 900, 2100

W-CDMA 900, 2100
4G network

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

LTE frequency band 1(2100), 3(1800), 7(2600), 18(800), 38(2600), 39(1900), 40(2300), 41(2500)
LTE speed

LTE Cat 4, 150.8 Mbps download, 51 Mbps upload

LTE Cat 4, 301.5 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

IPS capacitive touchscreen

IPS capacitive touchscreen
Physical size

6.1 inches

5.7 inches
Resolution

720 x 1560 pixels

720 x 1440 pixels
Pixel density

282 ppi

282 ppi
Display colors

16777216

16777216
Protection

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

Scratch resistant, Corning Gorilla Glass, In-cell
Multitouch

Yes

Yes

Main camera
Camera type

Single

Single
Main camera

8 MP, f/2.2 , 1/3.2" , 1.4 µm

22 MP, f/2
Primary camera resolution

3264 x 2448 pixels

5344 x 4008 pixels
Primary camera video

1080p@30fps

1080p@30fps
Primary camera flash

LED flash

dual 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, phase detection

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 802.11b, 802.11g, 802.11n

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

Yes

Yes
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C reversible connector
USB On-The-Go

Yes

Yes
Bluetooth

v4.2

v4.0
Bluetooth A2DP

Yes

Yes
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
Beidou

Yes

Yes