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ZenFone 4 Pro (ZS551KL)

10x Zoom. 8x Light Sensitivity. 6GB RAM.
Dual Rear Cameras
See a bigger and brighter world
* Compared to typical smartphone camera with 16MP resolution, F1.7 aperture and 1.12µm pixel size.
Sony flagship
IMX362
main camera
 
16MP
zoom camera
Zoom camera
10X
total zoom
ASUS SuperPixel™ Camera
8x brighter and clearer photos in low light
* Compared to typical smartphone camera with 16MP resolution, F1.7 aperture and 1.12µm pixel size.
8X
light sensitivity*
IMX362
Sony sensor
F1.7
aperture
1/2.55”
sensor size
1.4µm
pixel size
OIS
long exposure
up to 1/4 sec
6P
lens
Learn more about ASUS SuperPixel™ Camera
Large F1.7 lens aperture
F2.2 aperture
F1.8 aperture
(49% more light than F2.2)

ZenFone 4 Pro
F1.7 aperture
(67% more light than F2.2)
Large 1.4µm pixel size
1.0µm pixel size
1.22µm pixel size
(48% more light than 1.0µm)

ZenFone 4 Pro
1.4µm pixel size
(96% more light than 1.0µm)
ASUS SuperPixel™ Engine
4-Stop OIS
PixelMaster Technology
Capture reality, fast and steady
0.03S
TriTech+™
technology
dual pixel
PDAF
laser
auto-focus
subject-tracking
auto-focus
OIS & EIS
4K
UHD video
recording
RGB color
correction sensor
Learn more about PixelMaster technology
Catch the moment with speed and precision
0.03S
dual pixel PDAF
0.03S
subject-tracking auto-focus
3X
laser focus distance
dual pixel
PDAF
second-generation
laser auto-focus
subject-tracking
auto-focus
5%
600,000 pixels for light detection
Phase Detection Auto-Focus
100%
12,000,000 pixels for light detection
ASUS Dual Phase Detection Auto-Focus
Blur-free photos and steady videos
4- axis
OIS
8directions
OIS compensation
4stops
OIS stabilization
3- axis
EIS
6directions
EIS compensation
Natural colors, incredible details
RGB color correction sensor
4K
UHD video recording
PixelMaster Camera Modes
Shoot like a pro, capture the fun
RAW support
Pro mode
Learn more about PixelMaster camera modes
RAW file support
Pro mode
Up to
32S
long exposure
Modes for creative fun
Auto
Panaroma
Pro
GIF Animation
Beauty
Slow Motion
Super Resolution
Time Lapse
Selfie Panorama
2x Optical-Zoom Camera
A camera that brings you closer
16MP
Sony image sensor
2X
optical-zoom
50mm
focal length
Portrait mode
Learn more about optical-zoom camera
Portrait mode
Selfie Camera
Beautiful selfies, day or night
* Compared to typical smartphone camera with 16MP resolution, F2.0 aperture and 1µm pixel size.
IMX319
Sony sensor
F1.9
aperture
1.4µm
pixel size
140°
Selfie Panorama
2X
light sensitivity*
3- axis
EIS
PDAF
ASUS SelfieMaster technology
Learn more about ASUS SelfieMaster technology
Smart beautification
10- level
beautification
 
Photo
beautification
 
Video
beautification
 
BeautyLive
 
Collage
 
Slideshow
Livestream beautification
Performance
Efficiently powerful, effortlessly fast
Qualcomm® Snapdragon™
835
Mobile Platform
 
10nm
CPU process
Up to
6GB*
RAM
Up to
128GB*
ROM
Live fingerprint sensor
0.3S
unlock
2.4GHz & 5GHz
Dual-band
Wi-Fi
* Specs may vary by countries and models.
Learn more about performance
Fast and secure unlocking
Capacitive & infrared optical
Dualsensors
Infrared receiver Infrared emitter Capacitive sensor
CPU + GPU
Gaming made easy
20%
improved performance
Powerful Network
Ultrafast network connectivity
LTE
Cat12
600Mbps download
LTE
3CA
4x4 MIMO support
Wi-Fi
11AC
866Mbps download
Battery & BoostMaster™
Charge faster, work and play longer
 
3600mAh
battery
Fast charging
by 5 mins charged
Up to
21hrs
720p video playback
Up to
17hrs
Wi-Fi web browsing
Design
Timeless Zen design, simplicity
2.5D
Gorilla Glass
2.1mm
slim bezel
7.6mm
thin edge
NMT
metal unibody
Display
Sensational display with auto color tuning
1920X1080
resolution
500nits
brightness
100%
NTSC
Splendid technology
Learn more about display
True2Life
SonicMaster 4.0
Unrivalled smartphone audio
4X
CD quality
dual speakers
3 noise-cancelling microphones
Smart AMP
Hi-Res Audio
DTS Headphone:X
Learn more about SonicMaster 4.0
Noise reduction microphone, high fidelity headphones
ZenUI 4.0
Simpler. Faster. Smarter.
Learn more about ZenUI 4.0
Wallpaper Slideshow
Page Marker
ZenUI Safeguard
ZenFone 4 Prowith Android™ Oreo™ : A Sweet Combination!
* Android is a trademark of Google LLC; Oreo is a trademark of Mondelez International, Inc. group.
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