Zoji Z9 vs vivo Z3

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800, 1900 & TD-SCDMA
3G network

W-CDMA 900, 2100

HSDPA 850, 900, 2100
4G network

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

LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE Cat 4, 301.5 Mbps download, 51 Mbps upload

LTE, Cat15, 798 Mbps download, 226 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

IPS capacitive touchscreen

IPS LCD capacitive touchscreen
Physical size

5.7 inches

6.3 inches
Resolution

720 x 1440 pixels

1080 x 2280 pixels
Pixel density

282 ppi

400 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, Corning Gorilla Glass, In-cell

2.5D curved glass screen
Multitouch

Yes

Yes

Hardware
CPU

Octa-core

Octa-core
CPU

Quad-core 2.0 GHz Cortex-A53

Dual-core 2.0 / 2.2 GHz Kryo 360 Gold
CPU(second)

quad-core 1.5 GHz Cortex-A53

Hexa-core 1.7 / 2.2 GHz Kryo 360 Silver
Chipset

MediaTek Helio P23 (MT6763V)

Qualcomm SDM670 Snapdragon 670 / Qualcomm SDM710 Snapdragon 710
GPU

Mali-G71 MP2

Adreno 615 / Adreno 616
Memory RAM

6 GB

4, 6 GB
Internal storage

64 GB

64, 128 GB
Memory card

microSD, microSDHC, microSDXC

microSD, microSDHC, microSDXC
Memory card max

256 GB

256 GB

Main camera
Camera type

Single

Dual
Main camera

22 MP, f/2

16 MP, f/2.0
2 MP, f/2.4
Primary camera resolution

5344 x 4008 pixels

4608 x 3456 pixels
Primary camera video

1080p@30fps

1080p@30fps
Primary camera flash

dual LED flash

dual-LED flash
Primary camera phase detection autofocus

-

phase detection autofocus
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

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, 802.11n 5GHz

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

Yes

Yes
WLAN WiFi Direct

-

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C reversible connector

microUSB 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v4.0

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
Bluetooth EDR

-

Yes
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
Beidou

Yes

Yes

Features
Sensors

Accelerometer, fingerprint, proximity, light, Gyroscope, Heart rate

Accelerometer, compass, fingerprint, gyroscope, infrared face recognition, light, proximity