Asus ZenFone 2 ZE551ML vs Samsung Galaxy J7 vs UMi Rome vs UMi Touch: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Asus ZenFone 2 ZE551ML vs Samsung Galaxy J7 vs UMi Rome vs UMi Touch. The complete information of specifications to decide which to buy.

Compare
Asus ZenFone 2 ZE551MLAsus ZenFone 2 ZE551MLGlobal · 4GB · 32GB
Samsung Galaxy J7Samsung Galaxy J7Global · 1.5GB · 16GB · J700F
UMi RomeUMi RomeGlobal · 3GB · 16GB
UMi TouchUMi TouchGlobal · 3GB · 16GB
Technical data sheets

Basics
Asus ZenFone 2 ZE551ML
Asus ZenFone 2 ZE551ML
Global · 4GB · 32GB
View datasheet
vs
Samsung Galaxy J7
Samsung Galaxy J7
Global · 1.5GB · 16GB · J700F
View datasheet
vs
UMi Rome
UMi Rome
Global · 3GB · 16GB
View datasheet
vs
UMi Touch
UMi Touch
Global · 3GB · 16GB
View datasheet
vs

Score
Ki Cost-effective
Score		 -- Not available 5.8 Ki Cost-effective
Score 		-- Not available -- Not available
Design and Screen score --Design & Materials 5.1Design & Materials --Design & Materials --Design & Materials
Performance and Hardware score --Performance & Hardware 4.6Performance & Hardware --Performance & Hardware --Performance & Hardware
Camera score --Camera 4.8Camera --Camera --Camera
Connectivity score -- Connectivity 4.8 Connectivity -- Connectivity -- Connectivity
Battery score --Battery 4.6 Battery --Battery --Battery

User reviews
User score
7.6
36 reviews
6.1
34 reviews
5.0
21 reviews
6.6
30 reviews

Technical specifications of the Asus ZenFone 2 ZE551ML vs Samsung Galaxy J7 vs UMi Rome vs UMi Touch

Specs where to buy Asus ZenFone 2 ZE551ML Asus ZenFone 2 ZE551ML
Global · 4GB · 32GB 		Samsung Galaxy J7 prices Samsung Galaxy J7
Global · 1.5GB · 16GB · J700F 		UMi Rome prices UMi Rome
Global · 3GB · 16GB 		stores to buy UMi Touch UMi Touch
Global · 3GB · 16GB
Inches 5.5" 5.5" 5.5" 5.5"
Resolution FHD HD HD FHD
Usable surface 70% useful 69% useful 70% useful 71% useful
Aspect Ratio 16:9 16:9 16:9 16:9
Dimensions 77.2 mm
152.5 mm
10.9 mm 		78.6 mm
152.4 mm
7.5 mm 		77.0 mm
153.8 mm
8.3 mm 		76.0 mm
154.5 mm
8.8 mm
Weight 170 g 171 g 181 g 190 g
Micro Atom Z3580
Quad-Core 		SnapD. 615
Octa-Core 		MT6753
Octa-Core 		MT6753
Octa-Core
RAM 4 GB RAM 1.5 GB RAM 3 GB RAM 3 GB RAM
Storage 32 GB 16 GB 16 GB 16 GB
AnTuTu 41.380
v? 		40.000
v6 		34.598
v6 		34.598
v6
Battery 3000 mAh 3000 mAh 2500 mAh 4000 mAh
Main Camera 1
13 Mpx · ƒ/2.0
T4K37
1
13 Mpx · ƒ/1.9

1
8 Mpx · ƒ/2.0
IMX179 Exmor
1
13 Mpx · ƒ/2.2
IMX328
Selfie Camera SELF 4.9 Mpx · ƒ/-- SELF 5 Mpx · ƒ/-- SELF 2 Mpx · ƒ/-- SELF 5 Mpx · ƒ/--
Bands
OS Android 5.0 Lollipop Android 6.0 Marshmallow Android 5.0 Lollipop Android 6.0 Marshmallow

Brand
Brand Asus Samsung UMi UMi
Aliases ZE550ML SM-J700F -- --

Release Date
Release date August 2015,
8 years ago 		September 2015,
8 years ago 		November 2015,
8 years ago 		December 2015,
8 years ago
State Not available On Sale Not available Not available
Market Global Global Global Global

Design & Materials

Structure

Asus ZenFone 2 ZE551ML
Samsung Galaxy J7
UMi Rome
UMi Touch
Asus ZenFone 2 ZE551ML
Samsung Galaxy J7
UMi Rome
UMi Touch
Size
77.2 mm • 152.5 mm • 10.9 mm
See more details
 Print 3D Model
78.6 mm • 152.4 mm • 7.5 mm
See more details
 Print 3D Model
77.0 mm • 153.8 mm • 8.3 mm
See more details
 Print 3D Model
76.0 mm • 154.5 mm • 8.8 mm
See more details
 Print 3D Model
Weight 170 g 171 g 181 g 190 g
Usable surface 70 % 69 % 70 % 71 %
Materials - Plastic Plastic, Metal Plastic, Metal
Resistance - - - -
Colors
Black

White

Gold

Red

Gray
Black

White

Gold
Black

Gold
Black

White

Screen
Diagonal 5.5" 5.5" 5.5" 5.5"
Type LCD IPS Super AMOLED LCD IPS LCD IPS • Sharp
Aspect Ratio 16:9 16:9 16:9 16:9
Resolution FHD
1080 x 1920 px 		HD
720 x 1280 px 		HD
720 x 1280 px 		FHD
1080 x 1920 px
Density 401 Pixels per inch 267 Pixels per inch 267 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
  • Capacitive
  • Multi-touch
  • Without Notch
  • Brightnes 450 cd/m² (typ)
  • Scratch resistant
  • Full Lamination Technology
  • 2.5D curved glass screen
  • GFF full lamination
  • Capacitive
  • Without Notch
  • 95% NTSC
  • Scratch resistant
  • Corning Gorilla Glass 3
  • 2.5D curved glass screen
  • GFF full lamination
  • 2.5D curved glass glass
  • Capacitive

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
7.5
6.6
5.5
6.0
Do you think it's a nice phone?
7.9
6.1
7.3
7.9
Is it comfortable?
7.6
6.9
6.9
6.7
Can you see it well in the sunlight?
6.5
7.5
6.2
7.6
Number of reviews
36 reviews
34 reviews
21 reviews
30 reviews

Performance & Hardware

Processor
Model Intel Atom Z3580 Qualcomm Snapdragon 615 MSM8939 MediaTek MT6753 (1.3GHz) MediaTek MT6753 (1.3GHz)
CPU Intel Silvermont 4x Cortex-A53 1.7 GHz + 4x Cortex-A53 1.0 GHz 8x Cortex-A53 1.3 GHz 8x Cortex-A53 1.3 GHz
Type Quad-Core Octa-Core Octa-Core Octa-Core
Manufacturing 22 nm 28 nm 28 nm 28 nm
64 Bits Yes Yes Yes Yes

Graphics
GPU PowerVR G6430 MP4 Qualcomm Adreno 405 ARM Mali-T720 MP3 ARM Mali-T720 MP3

RAM
RAM 4 GB 1.5 GB 3 GB 3 GB
Type -- -- -- --

Antutu
Score
41.380
Antutu v?
Overall performance better than 24% of devices
See more details
40.000
Antutu v6
Overall performance better than 42% of devices
See more details
34.598
Antutu v6
Overall performance better than 14% of devices
See more details
34.598
Antutu v6
Overall performance better than 24% of devices
See more details

Storage
Capacity 32 GB 16 GB 16 GB 16 GB
Type -- -- -- --
SD Slot Yes ,
Independent SD slot 		Yes ,
Independent SD slot 		Yes ,
Independent SD slot 		Yes ,
Slot for SD or second SIM card

Security
Fingerprint No No No Yes, on the front

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

Audio

Audio
-
-
-
-

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

User reviews

Does it have good sound?
7.0
6.5
5.0
7.0
Does it work smoothly in everyday use?
8.9
5.8
6.7
8.1
What's your experience been with demanding games?
8.0
4.6
5.5
5.4
Number of reviews
36 reviews
34 reviews
21 reviews
30 reviews

Camera

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

Standard

Standard

Standard

Standard
Resolution 13 Mpx 13 Mpx 8 Mpx 13 Mpx
Sensor Toshiba T4K37 Unknown Sony IMX179 Exmor Sony IMX328
Type CMOS CMOS BSI CMOS CMOS
Aperture ƒ/ 2.0 ƒ/ 1.9 ƒ/ 2.0 ƒ/ 2.2
ISO -- -- -- --
Pixel size 1.12 µm 1.13 µm 1.40 µm 1.12 µm
Pixel Binning -- -- -- --
Sensor size 1/3.07" -- 1/3.2" 1/3.06"

Features
Flash Dual LED LED Dual LED Dual LED
Optical Stabilisation No No No No
Slow Motion Video No,
30 fps 		No,
30 fps 		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
  • Digital image stabilization
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • Front Flash
  • Digital zoom
  • Digital image stabilization
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Front Flash
  • Digital zoom
  • Digital image stabilization
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode

Selfie
SELF
Camera type

Dedicated

Dedicated

Dedicated

Dedicated
Resolution 4.9 Mpx 5 Mpx 2 Mpx 5 Mpx
Sensor Unknown Unknown Unknown Unknown
Type -- -- -- --
Aperture ƒ/ -- ƒ/ -- ƒ/ -- ƒ/ --
Pixel size -- -- -- --
Pixel Binning -- -- -- --
Sensor size -- -- -- --
Others
--
--
--
--

DxOMark Score
DxOMark Score -- -- -- --

User reviews

Quality of daytime photos
8.4
7.2
6.5
7.5
Quality of nighttime photos
6.5
5.2
5.2
4.7
Quality of selfies
7.5
6.2
6.3
6.0
Does it have a powerful flash?
8.3
7.6
6.4
6.6
Number of reviews
36 reviews
34 reviews
21 reviews
30 reviews

Connectivity

Network compatibility

5G -- -- -- --
4G LTE
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B20 (800)
  • B28b (700)
  • B28a (700)
  • B38 (TDD 2600)
  • B39 (TDD 1900)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B1 (2100)
  • B3 (1800)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B20 (800)
  • B40 (TDD 2300)
  • B3 (1800)
  • B7 (2600)
  • B20 (800)
  • B1 (2100)
  • B3 (1800)
  • B7 (2600)
  • B20 (800)
3G
  • B1 (2100)
  • B2 (1900)
  • B5 (850)
  • B8 (900)
  • B1 (2100)
  • B2 (1900)
  • B5 (850)
  • B8 (900)
  • B1 (2100)
  • B8 (900)
  • B1 (2100)
  • B2 (1900)
  • B8 (900)
2G
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • 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 Dual Sim Dual Standby Dual Sim Dual Standby
Type
  • Micro SIM
  • Micro SIM
  • Micro SIM
  • Micro SIM
  • 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
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
Others
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Hotspot
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct

Bluetooth
Version Bluetooth 4.0 Bluetooth 4.1 Bluetooth 4.0 LE Low energy consumption Bluetooth 4.1 LE Low energy consumption
Others
  • A2DP (Advanced Audio Distribution Profile)
  • EDR (Enhanced Data Rate)
  • A2DP (Advanced Audio Distribution Profile)
  • AVRCP (Audio/Visual Remote Control Profile)
  • DIP (Device ID Profile)
  • HFP (Hands-Free Profile)
  • HID (Human Interface Profile)
  • HSP (Headset Profile)
  • MAP (Message Access Profile)
  • PAN (Personal Area Networking Profile)
  • SAP/SIM/rSAP (SIM Access Profile)
  • OPP (Object Push Profile)
  • PBAP/PAB (Phone Book Access Profile)
  • A2DP (Advanced Audio Distribution Profile)
  • LE (Low Energy)
  • A2DP (Advanced Audio Distribution Profile)
  • LE (Low Energy)

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

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

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 		0.503 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 		1.250 W/Kg on head
1.360 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.
  • 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
7.7
6.7
7.7
Quality of the GPS
8.3
7.7
6.1
5.8
And the WiFi?
8.6
7.9
7.5
7.4
Number of reviews
36 reviews
34 reviews
21 reviews
30 reviews

Battery

Battery
Capacity
3000 mAh
See more details
3000 mAh
See more details
2500 mAh
See more details
4000 mAh
See more details
Type Li-Polymer Li-Ion Li-Ion Li-Polymer
Fast charge Yes,
18.0W 		No No No
Others
  • Non-removable
  • Removable
  • Removable
  • Non-removable

User reviews

How long does the battery last?
  • 6%
    Less than half day
  • 33%
    Less than a day
  • 44%
    One day
  • 14%
    More than one day
  • 3%
    Two days or more
  • 15%
    Less than half day
  • 26%
    Less than a day
  • 35%
    One day
  • 21%
    More than one day
  • 3%
    Two days or more
  • 29%
    Less than half day
  • 43%
    Less than a day
  • 24%
    One day
  • 5%
    More than one day
  • 0%
    Two days or more
  • 3%
    Less than half day
  • 3%
    Less than a day
  • 33%
    One day
  • 47%
    More than one day
  • 13%
    Two days or more
Number of reviews
36 reviews
34 reviews
21 reviews
30 reviews

Software

Software
Operating System
  • Android 5.0 Lollipop
    Android 5.0 Lollipop, 9 years ago
  • Android 6.0.1 Marshmallow
    Android 6.0 Marshmallow, 8 years ago
  • Android 5.1 Lollipop
    Android 5.0 Lollipop, 9 years ago
  • Android 6.0 Marshmallow
    Android 6.0 Marshmallow, 8 years ago
Google Services (official) Yes Yes Yes Yes

User reviews

Did it come with preinstalled applications?
  • 3%
    It comes with a clean operating system
  • 57%
    It has preinstalled apps but they don't bother me
  • 40%
    It has preinstalled apps that I can't uninstall
  • 3%
    It comes with a clean operating system
  • 58%
    It has preinstalled apps but they don't bother me
  • 39%
    It has preinstalled apps that I can't uninstall
  • 29%
    It comes with a clean operating system
  • 57%
    It has preinstalled apps but they don't bother me
  • 14%
    It has preinstalled apps that I can't uninstall
  • 63%
    It comes with a clean operating system
  • 37%
    It has preinstalled apps but they don't bother me
  • 0%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
  • 18%
    Never
  • 18%
    Once a year
  • 35%
    Every six months
  • 29%
    Every two months or less
  • 34%
    Never
  • 41%
    Once a year
  • 16%
    Every six months
  • 9%
    Every two months or less
  • 67%
    Never
  • 0%
    Once a year
  • 22%
    Every six months
  • 11%
    Every two months or less
  • 17%
    Never
  • 0%
    Once a year
  • 33%
    Every six months
  • 33%
    Every two months or less
Number of reviews
36 reviews
34 reviews
21 reviews
30 reviews
Prices
Prices unavailable
From $ 326 --
Prices unavailable
Prices unavailable