Asus Zenfone 3 ZE520KL vs ZTE Quartz

Asus Zenfone 3 ZE520KL

ZTE Quartz

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 1900
3G network

HSDPA 850, 900, 1900, 2100, 800

HSDPA 850, 1700(AWS), 1900, 2100
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 26(850), 28(700), 38(2600), 39(1900), 40(2300), 41(2500)

-
HSDPA speed

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
HSPA speed

-

HSPA
LTE speed

LTE, Cat6, 300 Mbps download, 50 Mbps upload

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Hardware
CPU

Octa-core 2.0 GHz ARM Cortex-A53

Quad-core 1.1 GHz
Chipset

Qualcomm MSM8953 Snapdragon 625

Qualcomm MSM8909W Snapdragon Wear 2100
GPU

Adreno 506

-
Memory RAM

3 GB

768 MB
Internal storage

32 GB

4 GB
Memory card

microSD
Memory card max

256 GB

-

Main camera
Main camera

16 MP, f/2.0
Primary camera video

1080p@30fps

-
Primary camera flash

dual-LED (dual tone) flash

-
Primary camera optical image stabilization

4-axis optical image stabilization

-
Primary camera phase detection autofocus

phase detection autofocus

-
Primary camera laser autofocus

laser autofocus

-
Camera features

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

-

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

-
WLAN WiFi Direct

Yes

-
USB

Type-C 1.0 reversible connector
Bluetooth

v4.2

v4.1
Bluetooth A2DP

Yes

-
bluetooth LE

Yes

Yes
Bluetooth EDR

Yes

-
Infrared

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

-
BDS

Yes

-

Features
Messaging SMS

SMS(threaded view)

SMS
Messaging MMS

MMS

-
Messaging Email

Email

Email
Messaging IM

IM

IM
Messaging Push Email

Push Email

-
Java

No

No
Sensors

Fingerprint, accelerometer, compass, gyro, proximity

Accelerometer, barometer, gyro