ZTE Zmax Pro vs Samsung Galaxy J7 Star

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Display

Display size

6.0 inches
5.5 inches

Resolution

1080 x 1920 pixels
720 x 1280 pixels

Pixel density

367 ppi
267 ppi

Technology

LCD
TFT

Screen-to-body ratio

71.71 %
71.45 %

Features

Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Camera

Rear

Single camera
Single camera

Main camera

13 megapixels
13 megapixels

Hardware Features

Phase detection autofocus
Phase detection autofocus

Specifications

 
Aperture size: F1.7; Focal length: 28 mm; Sensor size: 1/3.06"; Pixel size: 1.12 μm

Flash

LED
LED

Video recording

1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)

Features

Time-lapse video, Video calling, Video sharing
Video calling, Video sharing

Front

5 megapixels
13 megapixels

Design

Dimensions

6.5 x 3.3 x 0.35 inches (165.1 x 83.8 x 8.9 mm)
6.03 x 3 x 0.34 inches (153.2 x 76.2 x 8.6 mm)

Weight

6.7 oz (190 g)
the average is 6 oz (172 g)
6.38 oz (181 g)
the average is 6 oz (172 g)

Biometrics

Fingerprint (touch)
2D Face unlock

Features

Touch sensitive control keys
Touch sensitive control keys

Colors

 
Blue

Hardware & Performance

System chip

Qualcomm Snapdragon 617 8952
Samsung Exynos 7 Octa 7870

Processor

Octa-core, 1500 MHz, ARM Cortex-A53, 64-bit
Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm

GPU

Adreno 405
Mali-T830 MP1

RAM

2 GB
2 GB

Internal storage

32 GB
32 GB

Maximum User Storage

24 GB
 

Storage expansion

up to 128 GB
up to 400 GB

OS

Android (6.0 Marshmallow)
Android (8.0 Oreo)

Battery

Capacity

3400 mAh
3300 mAh

Talk time

25.00 hours
the average is 22 h (1342 min)
27.65 hours
the average is 22 h (1342 min)

Stand-by time

16.7 days (400 hours)
the average is 20 days (480 h)
27.9 days (670 hours)
the average is 20 days (480 h)

Music playback

 
76.70 hours

Video playback

 
19.00 hours

Cellular

LTE (FDD)

Bands 2, 4, 12
Bands 2, 4, 5, 12, 66, 71

UMTS

850, 1700/2100, 1900 MHz
850, 1700/2100, 1900, 2100 MHz

GSM

850, 900, 1800, 1900 MHz
850, 900, 1800, 1900 MHz

Data

LTE Cat 4 (150/50 Mbit/s), HSPA
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

SIM type

 
Nano SIM

HD Voice

Yes
Yes

VoLTE

Yes
 

Connectivity

Bluetooth

4.1
4.2

Wi-Fi

802.11 a, b, g, n
802.11 a, b, g, n, ac, dual-band

USB

USB 2.0
USB 2.0

Connector

USB Type-C (reversible)
microUSB

Features

Mass storage device, USB charging
Mass storage device

Location

GPS, A-GPS
GPS, A-GPS, Glonass

Other

UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync
NFC, ANT+, UMA (Wi-Fi Calling), VoIP, Tethering, Computer sync, OTA sync

Phone features

Sensors

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass

Notifications

Haptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone

Hearing aid compatibility

T4
M3, T3

Other features

Voice dialing, Voice commands, Voice recording, TTY/TDD
Voice dialing, Voice commands, Voice recording, TTY/TDD

Multimedia

Screen mirroring

 
Wireless screen share

Radio

FM
 

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Headphones connector

3.5mm
3.5mm

Regulatory Approval

FCC approval

 
 

Date approved

Jun 01, 2016
May 10, 2018

FCC ID value: SRQ-Z981 link
FCC ID value: A3LSMJ737T link

FCC measured SAR

 
 

Head

0.53 W/kg
1.36 W/kg

Body

1.11 W/kg
1.01 W/kg

Simultaneous Transmission

1.54 W/kg
1.58 W/kg

Wireless Router

1.11 W/kg
1.11 W/kg

Phablet

 
3.60 W/kg

Shopping information

In The Box

 
USB cable, Wall charging adapter, Start guide, Terms & Conditions
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