Asus ZenFone 2 ZE551ML vs OnePlus One vs ZUK Z1: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Asus ZenFone 2 ZE551ML vs OnePlus One vs ZUK Z1. The complete information of specifications to decide which to buy.

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Asus ZenFone 2 ZE551MLAsus ZenFone 2 ZE551MLGlobal · 4GB · 32GB
OnePlus OneOnePlus OneGlobal · 3GB · 64GB
ZUK Z1ZUK Z1China · 3GB · 64GB
Technical data sheets

Basics
Asus ZenFone 2 ZE551ML
Asus ZenFone 2 ZE551ML
Global · 4GB · 32GB
View datasheet
vs
OnePlus One
OnePlus One
Global · 3GB · 64GB
View datasheet
vs
ZUK Z1
ZUK Z1
China · 3GB · 64GB
View datasheet
vs

Score
Ki Cost-effective
Score		 -- Not available -- Not available -- Not available
Design and Screen score --Design & Materials --Design & Materials --Design & Materials
Performance and Hardware score --Performance & Hardware --Performance & Hardware --Performance & Hardware
Camera score --Camera --Camera --Camera
Connectivity score -- Connectivity -- Connectivity -- Connectivity
Battery score --Battery --Battery --Battery

User reviews
User score
7.8
65 reviews
9.0
299 reviews
8.3
64 reviews

Technical specifications of the Asus ZenFone 2 ZE551ML vs OnePlus One vs ZUK Z1

Specs stores to buy Asus ZenFone 2 ZE551ML Asus ZenFone 2 ZE551ML
Global · 4GB · 32GB 		where to buy OnePlus One OnePlus One
Global · 3GB · 64GB 		ZUK Z1 prices ZUK Z1
China · 3GB · 64GB
Inches 5.5" 5.5" 5.5"
Resolution FHD+ FHD FHD
Usable surface 70% useful 71% useful 69% useful
Aspect Ratio 16:9 16:9 16:9
Dimensions 77.2 mm
152.5 mm
10.9 mm 		75.9 mm
152.9 mm
9.0 mm 		77.3 mm
155.7 mm
8.9 mm
Weight 170 g 162 g 175 g
Micro Atom Z3580
Quad-Core 		SnapD. 801
Quad-Core 		SnapD. 801
Quad-Core
RAM 4 GB RAM 3 GB RAM 3 GB RAM
Storage 32 GB 64 GB 64 GB
AnTuTu 50.401
v? 		46.219
v? 		48.262
v?
Battery 3000 mAh 3100 mAh 4100 mAh
Main Camera 1
13 Mpx · ƒ/2.0
T4K37
1
13 Mpx · ƒ/2.0
IMX214 Exmor RS
1
13 Mpx · ƒ/2.2
Exmor RS
Selfie Camera SELF 5 Mpx · ƒ/-- SELF 5 Mpx · ƒ/-- SELF 8 Mpx · ƒ/--
Bands
OS Android 5.0 Lollipop Android 6.0 Marshmallow Android 5.0 Lollipop

Brand
Brand Asus OnePlus Zuk
Aliases ZE551ML -- --

Release Date
Release date August 2015,
11 years ago 		April 2014,
12 years ago 		August 2015,
11 years ago
State Not available Not available Not available
Market Global Global China

Design & Materials

Structure

Asus ZenFone 2 ZE551ML
OnePlus One
ZUK Z1
Asus ZenFone 2 ZE551ML
OnePlus One
ZUK Z1
Size
77.2 mm • 152.5 mm • 10.9 mm
See more details
 Print 3D Model
75.9 mm • 152.9 mm • 9.0 mm
See more details
 Print 3D Model
77.3 mm • 155.7 mm • 8.9 mm
See more details
 Print 3D Model
Weight 170 g 162 g 175 g
Usable surface 70 % 71 % 69 %
Materials - Magnesium alloy Plastic
Resistance - - -
Colors
Black
White
Gold
Red
Gray
Black
White
White
Gray

Screen
Diagonal 5.5" 5.5" 5.5"
Type LCD IPS LCD IPS • JDI LCD IPS • IPS
Aspect Ratio 16:9 16:9 16:9
Resolution FHD+
1080 x 1920 px 		FHD
1080 x 1920 px 		FHD
1080 x 1920 px
Density 401 Pixels per inch 401 Pixels per inch 401 Pixels per inch

Others

Others
  • Without Notch
  • Brightnes 400 cd/m² (typ)
  • Color LED Notifications
  • Scratch resistant
  • Corning Gorilla Glass 3
  • Capacitive
  • Multi-touch
  • Without Notch
  • Color LED Notifications
  • LED Notifications
  • Scratch resistant
  • Corning Gorilla Glass 3
  • Capacitive
  • Multi-touch
  • TOL panel - Touch On Lens
  • Without Notch
  • 1500:1 contrast ratio
  • 100% NTSC
  • Capacitive
  • Zero Air Gap technology
  • Anti-fingerprint coating

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
7.5
8.0
7.4
Do you think it's a nice phone?
7.9
8.8
7.9
Is it comfortable?
7.9
8.4
7.8
Can you see it well in the sunlight?
6.9
7.8
8.6
Number of reviews
65 reviews
299 reviews
64 reviews

Performance & Hardware

Processor
Model Intel Atom Z3580 Qualcomm Snapdragon 801 MSM8974AC Qualcomm Snapdragon 801 MSM8974AC
CPU Intel Silvermont 4x Krait 400 2.5 GHz 4x Krait 400 2.5 GHz
Type Quad-Core Quad-Core Quad-Core
Manufacturing 22 nm 28 nm 28 nm
64 Bits Yes No No

Graphics
GPU PowerVR G6430 MP4 Qualcomm Adreno 330 Qualcomm Adreno 330

RAM
RAM 4 GB 3 GB 3 GB
Type -- -- --

Antutu
Score
50.401
Antutu v?
Overall performance better than 44% of devices
See more details
46.219
Antutu v?
Overall performance better than 50% of devices
See more details
48.262
Antutu v?
Overall performance better than 43% of devices
See more details

Storage
Capacity 32 GB 64 GB 64 GB
Type -- -- --
SD Slot Yes ,
Independent SD slot 		No No

Security
Fingerprint No No Yes, on the front

Sensors
Sensors
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Hall
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gravity
  • Hall

Audio

Audio
-
-
-

Others
Notifications LED Color LED Notifications Color LED Notifications --
Cooling system No No No
Gaming buttons No No No

User reviews

Does it have good sound?
7.9
8.7
8.1
Does it work smoothly in everyday use?
8.7
9.3
9.0
What's your experience been with demanding games?
7.8
8.9
8.7
Number of reviews
65 reviews
299 reviews
64 reviews

Camera

Main
No. of cameras Rear camera Rear camera Rear camera
1
Camera type

Standard

Standard

Standard
Resolution 13 Mpx 13 Mpx 13 Mpx
Aperture ƒ/ 2.0 ƒ/ 2.0 ƒ/ 2.2
Optical zoom -- -- --
View angle -- -- --
Sensor Toshiba T4K37 Sony IMX214 Exmor RS Sony Exmor RS
Type CMOS CMOS CMOS BSI
ISO -- -- --
Pixel size 1.12 µm 1.12 µm 1.13 µm
Pixel Binning -- -- --
Sensor size 1/3.07" 1/3.06" --

Features
Flash Dual LED Dual LED Dual LED
Optical Stabilisation No No Yes
Slow Motion Video No,
30 fps 		Yes,
120 fps 		Yes,
120 fps
Others
  • Digital zoom
  • Digital image stabilization
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Autofocus
  • Touch focus
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Optical Stabilization (OIS)
  • Autofocus
  • Manual focus
  • HDR
  • ISO settings
  • Scene mode

Selfie
SELF
Camera type

Dedicated

Dedicated

Dedicated
Resolution 5 Mpx 5 Mpx 8 Mpx
Aperture ƒ/ -- ƒ/ -- ƒ/ --
Optical zoom -- -- --
View angle -- -- --
Sensor Omnivision OV5670F Unknown Unknown
Type PureCel -- --
Pixel size 1.12 µm -- --
Pixel Binning -- -- --
Sensor size 1/3.4" -- --
Others
--
--
--

DxOMark Score
DxOMark Score -- -- --

User reviews

Quality of daytime photos
8.5
8.7
8.2
Quality of nighttime photos
6.5
6.9
6.6
Quality of selfies
7.9
7.8
7.9
Does it have a powerful flash?
8.2
8.0
7.7
Number of reviews
65 reviews
299 reviews
64 reviews

Connectivity

Network compatibility

5G -- -- --
4G LTE
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B17 (700)
  • B20 (800)
  • B38 (TDD 2600)
  • B39 (TDD 1900)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B1 (2100)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B7 (2600)
  • B17 (700)
  • B38 (TDD 2600)
  • B39 (TDD 1900)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B1 (2100)
  • B3 (1800)
  • B7 (2600)
  • B38 (TDD 2600)
  • B39 (TDD 1900)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
3G
  • B1 (2100)
  • B2 (1900)
  • B5 (850)
  • B8 (900)
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B8 (900)
  • B1 (2100)
  • B2 (1900)
  • B5 (850)
  • B8 (900)
  • B34 (TD 2000)
  • B39 (TD 1900+)
2G
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • CDMA BC0 (800)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)

SIM card
Dual SIM Dual Sim Full Active Single Sim Dual Sim Dual Standby
Type
  • Micro SIM
  • Micro SIM
  • Micro SIM
  • Nano SIM
  • Nano SIM

Wi-Fi
Wi-Fi
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11ac
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
Others
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Display
  • Wi-Fi Hotspot

Bluetooth
Version Bluetooth 4.0 Bluetooth 4.1 Bluetooth 4.1
Others
  • A2DP (Advanced Audio Distribution Profile)
  • EDR (Enhanced Data Rate)
  • A2DP (Advanced Audio Distribution Profile)
  • A2DP (Advanced Audio Distribution Profile)

Navigation
Navigation
  • GPS
  • A-GPS
  • GLONASS
  • GPS
  • A-GPS
  • GLONASS
  • GPS
  • A-GPS
  • GLONASS

USB
USB
  • Charging
  • Mass Storage
  • USB On-The-Go (OTG)
  • Charging
  • Host
  • Mass Storage
  • USB On-The-Go (OTG)
  • Charging
  • USB Type C

SAR
European measurement

The European Union sets a limit of 2 W/kg averaged over 10 grams of tissue.

 0.351 W/Kg on head
0.332 W/Kg on body 		0.290 W/Kg on head
0.440 W/Kg on body 		--
American measurement

The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue

 0.920 W/Kg on head
0.870 W/Kg on body 		0.620 W/Kg on head
0.750 W/Kg on body 		--

Others
Others
  • NFC
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • NFC
  • Audio Jack
  • Computer sync
  • OTA sync
  • Tethering.
  • DLNA
  • Audio Jack

User reviews

Does it have good coverage for calls?
8.2
8.5
8.2
Quality of the GPS
8.6
8.7
8.3
And the WiFi?
8.2
8.8
8.1
Number of reviews
65 reviews
299 reviews
64 reviews

Battery

Battery
Capacity
3000 mAh
See more details
3100 mAh
See more details
4100 mAh
See more details
Type Li-Polymer Li-Polymer Li-Polymer
Fast charge Yes No No
Others
  • Non-removable
  • Non-removable
  • Non-removable

User reviews

How long does the battery last?
  • 9%
    Less than half day
  • 42%
    Less than a day
  • 23%
    One day
  • 22%
    More than one day
  • 5%
    Two days or more
  • 1%
    Less than half day
  • 14%
    Less than a day
  • 39%
    One day
  • 43%
    More than one day
  • 3%
    Two days or more
  • 0%
    Less than half day
  • 3%
    Less than a day
  • 13%
    One day
  • 58%
    More than one day
  • 27%
    Two days or more
Number of reviews
65 reviews
299 reviews
64 reviews

Software

Software
Operating System
  • Android 5.0 Lollipop
    Android 5.0 Lollipop, 11 years ago
  • Android 6.0.1 Marshmallow
    Android 6.0 Marshmallow, 10 years ago
  • CyanogenMod 12 (Android 5.1.1)
    Android 5.0 Lollipop, 11 years ago
Google Services With Google Mobile Services With Google Mobile Services Without Google Mobile services

User reviews

Did it come with preinstalled applications?
  • 0%
    It comes with a clean operating system
  • 65%
    It has preinstalled apps but they don't bother me
  • 35%
    It has preinstalled apps that I can't uninstall
  • 36%
    It comes with a clean operating system
  • 61%
    It has preinstalled apps but they don't bother me
  • 3%
    It has preinstalled apps that I can't uninstall
  • 50%
    It comes with a clean operating system
  • 45%
    It has preinstalled apps but they don't bother me
  • 5%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
  • 10%
    Never
  • 30%
    Once a year
  • 40%
    Every six months
  • 21%
    Every two months or less
  • 6%
    Never
  • 11%
    Once a year
  • 54%
    Every six months
  • 29%
    Every two months or less
  • 20%
    Never
  • 15%
    Once a year
  • 36%
    Every six months
  • 30%
    Every two months or less
Number of reviews
65 reviews
299 reviews
64 reviews
Prices
Prices unavailable
Prices unavailable
Prices unavailable