Asus ZenFone 3 Ultra vs Asus ZenFone 6 (2019)

Display

Display size

6.8 inches
6.4 inches

Resolution

1080 x 1920 pixels
1080 x 2340 pixels

Pixel density

324 ppi
403 ppi

Technology

IPS LCD
IPS LCD

Screen-to-body ratio

72.75 %
83.82 %

Features

Scratch-resistant glass (Corning Gorilla Glass 4), Ambient light sensor, Proximity sensor
HDR video support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor

Camera

Rear

Single camera
Dual camera, Swivel

Main camera

23 megapixels
48 megapixels

Hardware Features

Optical image stabilization, Laser and Phase detection autofocus
Laser and Phase detection autofocus

Specifications

Aperture size: F2.0; Pixel size: 1.12 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera

 
13 megapixels

Hardware Features

 
Ultra-wide

Specifications

 
Focal Length: 11 mm

Flash

LED
Dual LED

Video recording

3840x2160 (4K UHD) (24 fps), 1920x1080 (Full HD) (30 fps), 1280x720 (HD) (30 fps)
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps)

Features

Time-lapse video, Continuous autofocus, Picture-taking during video recording, Digital image stabilization, Video calling, Video sharing
Time-lapse video, Picture-taking during video recording, Digital image stabilization, Video calling, Video sharing

Front

8 megapixels
 

Features

Wide Angle, Autofocus, High Dynamic Range mode (HDR)
 

Design

Dimensions

7.34 x 3.70 x 0.27 inches (186.4 x 93.9 x 6.8 mm)
6.26 x 2.97 x 0.36 inches (159.1 x 75.44 x 9.1 mm)

Weight

8.22 oz (233 g)
the average is 6 oz (172 g)
6.70 oz (190 g)
the average is 6 oz (172 g)

Materials

Back: Aluminum
Back: Glass (Corning Gorilla Glass 3)

Biometrics

Fingerprint (touch)
2D Face unlock, Fingerprint (touch)

Features

Touch sensitive control keys, Soft keys
 

Colors

Gold, Gray, Silver, Pink
Black, Silver

Hardware & Performance

System chip

Qualcomm Snapdragon 652 8976
Qualcomm Snapdragon 855 SM8150

Processor

Octa-core, 1800 MHz, ARM Cortex-A72 and ARM Cortex-A53, 64-bit
Octa-core, 2840 MHz, Kryo 485, 64-bit, 7 nm

GPU

Adreno 510
Adreno 640

RAM

4 GB
8 GB

Internal storage

128 GB
256 GB

Storage expansion

up to 200 GB
up to 2000 GB

OS

Android (6.0 Marshmallow), ASUS Zen UI
Android (9.0 Pie), ASUS Zen UI

Battery

Capacity

4600 mAh
5000 mAh

Charging

Yes
Qualcomm Quick Charge 4

Talk time (3G)

 
33.30 hours
the average is 23 h (1364 min)

Stand-by time (4G)

 
26.0 days (624 hours)
the average is 24 days (570 h)

Internet use

 
 

Wi-Fi

 
21 hours

Video playback

 
24.00 hours

Cellular

LTE (FDD)

Bands 1, 3, 5, 7, 8, 18, 19, 20, 26, 28
Bands 1, 2, 3, 5, 7, 8, 20, 28

LTE (TDD)

Bands 38, 40, 41
Bands 38, 40, 41

UMTS

800, 850, 900, 1900, 2100 MHz
850, 900, 1900, 2100 MHz

GSM

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

Data

LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

Dual SIM

Yes
Yes

SIM type

Nano SIM
Nano SIM

Connectivity

Bluetooth

4.2, EDR
5.0, EDR

Wi-Fi

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

USB

USB 3.0
Yes

Connector

USB Type-C (reversible)
USB Type-C (reversible)

Features

Mass storage device, USB OTG, Video out
Mass storage device

Location

GPS, A-GPS, Glonass, BeiDou
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Other

Tethering, Computer sync, OTA sync
NFC, VoIP, Tethering, Computer sync, OTA sync

Phone features

Sensors

Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass, Hall (for flip covers)

Notifications

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

Hearing aid compatibility

 
M4, T4

Other features

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

Multimedia

Screen mirroring

Wireless screen share, SlimPort
Wireless screen share

Radio

FM
FM

Speakers

Earpiece, Multiple speakers
Earpiece, Multiple speakers

Headphones connector

3.5mm
3.5mm

Additional microphone(s)

for Noise cancellation
for Noise cancellation

Regulatory Approval

FCC approval

 
 

Date approved

 
Apr 16, 2019

 
FCC ID value: MSQI01WD link

FCC measured SAR

 
 

Head

 
1.18 W/kg

Body

 
0.93 W/kg

Simultaneous Transmission

 
1.58 W/kg

Wireless Router

 
1.18 W/kg

Shopping information

In The Box

 
18W wall charger, USB type-C cable, SIM eject tool, 3.5 mm earphones, Silicon tips for the earphones, User guide,
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