Asus ZenFone 2 ZE551ML vs Lenovo Vibe X2: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Asus ZenFone 2 ZE551ML vs Lenovo Vibe X2. The complete information of specifications to decide which to buy.

Compare
Asus ZenFone 2 ZE551MLAsus ZenFone 2 ZE551MLGlobal · 4GB · 64GB
Lenovo Vibe X2Lenovo Vibe X2Global · 2GB · 16GB
Technical data sheets

Basics
Asus ZenFone 2 ZE551ML
Asus ZenFone 2 ZE551ML
Global · 4GB · 64GB
View datasheet
vs
Lenovo Vibe X2
Lenovo Vibe X2
Global · 2GB · 16GB
View datasheet
vs

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

User reviews
User score
7.8
65 reviews
6.9
7 reviews

Technical specifications of the Asus ZenFone 2 ZE551ML vs Lenovo Vibe X2

Specs Asus ZenFone 2 ZE551ML price comparison Asus ZenFone 2 ZE551ML
Global · 4GB · 64GB 		where to buy Lenovo Vibe X2 Lenovo Vibe X2
Global · 2GB · 16GB
Inches 5.5" 5"
Resolution FHD FHD
Usable surface 70% useful 71% useful
Aspect Ratio 16:9 16:9
Dimensions 77.2 mm
152.5 mm
10.9 mm 		68.6 mm
140.2 mm
7.3 mm
Weight 170 g 120 g
Micro Atom Z3580
Quad-Core 		MT6595
Octa-Core
RAM 4 GB RAM 2 GB RAM
Storage 64 GB 16 GB
AnTuTu 50.401
v? 		40.962
v?
Battery 3000 mAh 2300 mAh
Main Camera 1
13 Mpx · ƒ/2.0
T4K37
1
13 Mpx · Unknow

Selfie Camera SELF 4.9 Mpx · ƒ/-- SELF 4.9 Mpx · ƒ/--
Bands
OS Android 5.0 Lollipop Android 4.4 KitKat

Brand
Brand Asus Lenovo
Aliases ZE551ML --

Release Date
Release date August 2015,
8 years ago 		September 2014,
9 years ago
State Not available Not available
Market Global Global

Design & Materials

Structure

Asus ZenFone 2 ZE551ML
Lenovo Vibe X2
Asus ZenFone 2 ZE551ML
Lenovo Vibe X2
Size
77.2 mm • 152.5 mm • 10.9 mm
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 Print 3D Model
68.6 mm • 140.2 mm • 7.3 mm
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 Print 3D Model
Weight 170 g 120 g
Usable surface 70 % 71 %
Materials - -
Resistance - -
Colors
Black

White

Gold

Red

Gray
White

Gold

Red

Gray

Screen
Diagonal 5.5" 5"
Type LCD IPS LCD IPS
Aspect Ratio 16:9 16:9
Resolution FHD
1080 x 1920 px 		FHD
1080 x 1920 px
Density 401 Pixels per inch 441 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
  • Capacitive
  • Multi-touch

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
7.5
7.4
Do you think it's a nice phone?
7.9
7.7
Is it comfortable?
7.9
8.0
Can you see it well in the sunlight?
6.9
6.4
Number of reviews
65 reviews
7 reviews

Performance & Hardware

Processor
Model Intel Atom Z3580 MediaTek MT6595M
CPU Intel Silvermont 4x Cortex-A15 2.0 GHz + 4x Cortex-A7 1.5 GHz
Type Quad-Core Octa-Core
Manufacturing 22 nm 28 nm
64 Bits Yes No

Graphics
GPU PowerVR G6430 MP4 PowerVR 6200

RAM
RAM 4 GB 2 GB
Type -- --

Antutu
Score
50.401
Antutu v?
Overall performance better than 5% of devices
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40.962
Antutu v?
Overall performance better than 38% of devices
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Storage
Capacity 64 GB 16 GB
Type -- --
SD Slot Yes ,
Independent SD slot 		No

Security
Fingerprint No No

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

Audio

Audio
-
-

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

User reviews

Does it have good sound?
7.9
7.7
Does it work smoothly in everyday use?
8.7
6.9
What's your experience been with demanding games?
7.8
5.3
Number of reviews
65 reviews
7 reviews

Camera

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

Standard

Standard
Resolution 13 Mpx 13 Mpx
Sensor Toshiba T4K37 Unknown
Type CMOS Unknown
Aperture ƒ/ 2.0 Unknow
ISO -- --
Pixel size 1.12 µm --
Pixel Binning -- --
Sensor size 1/3.07" --

Features
Flash Dual LED LED
Optical Stabilisation No Yes
Slow Motion Video No,
30 fps 		No,
30 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
  • Digital zoom
  • Optical Stabilization (OIS)
  • Autofocus
  • Touch focus
  • Geotagging
  • Panorama
  • HDR
  • Face detection

Selfie
SELF
Camera type

Dedicated

Dedicated
Resolution 4.9 Mpx 4.9 Mpx
Sensor Unknown Unknown
Type -- --
Aperture ƒ/ -- ƒ/ --
Pixel size -- --
Pixel Binning -- --
Sensor size -- --
Others
--
--

DxOMark Score
DxOMark Score -- --

User reviews

Quality of daytime photos
8.5
7.6
Quality of nighttime photos
6.5
5.4
Quality of selfies
7.9
6.6
Does it have a powerful flash?
8.2
8.1
Number of reviews
65 reviews
7 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)
  • B7 (2600)
  • B20 (800)
  • 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)
  • B34 (TD 2000)
  • B39 (TD 1900+)
2G
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)

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

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

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

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

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

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 		0.339 W/Kg on head
0.373 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 		0.589 W/Kg on head
0.375 W/Kg on body

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

User reviews

Does it have good coverage for calls?
8.2
7.9
Quality of the GPS
8.6
6.1
And the WiFi?
8.2
7.0
Number of reviews
65 reviews
7 reviews

Battery

Battery
Capacity
3000 mAh
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2300 mAh
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Type Li-Polymer Li-Polymer
Fast charge Yes No
Others
  • 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
  • 29%
    Less than half day
  • 14%
    Less than a day
  • 43%
    One day
  • 0%
    More than one day
  • 14%
    Two days or more
Number of reviews
65 reviews
7 reviews

Software

Software
Operating System
  • Android 5.0 Lollipop
    Android 5.0 Lollipop, 9 years ago
  • Android 4.4.2 KitKat
    Android 4.4 KitKat, 10 years ago
Google Services (official) Yes Yes

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
  • 0%
    It comes with a clean operating system
  • 71%
    It has preinstalled apps but they don't bother me
  • 29%
    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
  • 71%
    Never
  • 0%
    Once a year
  • 14%
    Every six months
  • 14%
    Every two months or less
Number of reviews
65 reviews
7 reviews
Prices
Prices unavailable
Prices unavailable