UMiDIGI S2 vs UMiDIGI S2 Pro vs Xiaomi Mi A1 vs Xiaomi Mi5x: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: UMiDIGI S2 vs UMiDIGI S2 Pro vs Xiaomi Mi A1 vs Xiaomi Mi5x. The complete information of specifications to decide which to buy.

Compare
UMiDIGI S2UMiDIGI S2Global · 4GB · 64GB
UMiDIGI S2 ProUMiDIGI S2 ProGlobal · 6GB · 128GB
Xiaomi Mi A1Xiaomi Mi A1Global · 4GB · 32GB
Xiaomi Mi5xXiaomi Mi5xChina · 4GB · 32GB
Technical data sheets

Basics
UMiDIGI S2
UMiDIGI S2
Global · 4GB · 64GB
View datasheet
vs
UMiDIGI S2 Pro
UMiDIGI S2 Pro
Global · 6GB · 128GB
View datasheet
vs
Xiaomi Mi A1
Xiaomi Mi A1
Global · 4GB · 32GB
View datasheet
vs
Xiaomi Mi5x
Xiaomi Mi5x
China · 4GB · 32GB
View datasheet
vs

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

User reviews
User score
7.5
22 reviews
4.5
34 reviews
8.7
323 reviews
8.9
23 reviews

Technical specifications of the UMiDIGI S2 vs UMiDIGI S2 Pro vs Xiaomi Mi A1 vs Xiaomi Mi5x

Specs where to buy UMiDIGI S2 UMiDIGI S2
Global · 4GB · 64GB 		stores to buy UMiDIGI S2 Pro UMiDIGI S2 Pro
Global · 6GB · 128GB 		Xiaomi Mi A1 price compare Xiaomi Mi A1
Global · 4GB · 32GB 		Xiaomi Mi5x prices Xiaomi Mi5x
China · 4GB · 32GB
Inches 5.99" 6" 5.5" 5.5"
Resolution HD+ FHD+ FHD FHD
Usable surface 78% useful 78% useful 70% useful 70% useful
Aspect Ratio 18:9 18:9 16:9 16:9
Dimensions 74.6 mm
158.6 mm
8.0 mm 		74.6 mm
158.1 mm
8.8 mm 		75.8 mm
155.4 mm
7.3 mm 		75.8 mm
155.4 mm
7.3 mm
Weight 188 g 186 g 165 g 165 g
Micro Helio P20
Octa-Core 		Helio P25
Octa-Core 		SnapD. 625
Octa-Core 		SnapD. 625
Octa-Core
RAM 4 GB RAM 6 GB RAM 4 GB RAM 4 GB RAM
Storage 64 GB 128 GB 32 GB 32 GB
AnTuTu 60.000
v? 		61.566
v? 		78.150
v7 		62.957
v6
Battery 5100 mAh 5100 mAh 3080 mAh 3080 mAh
Main Camera 1
13 Mpx · ƒ/2.0
IMX258
2 		1
13 Mpx · Unknow
IMX258
2 		1
12 Mpx · ƒ/2.2
OV12A10
2 		1
12 Mpx · ƒ/2.2
OV12A10
2
Selfie Camera SELF 5 Mpx · ƒ/-- SELF 16 Mpx · ƒ/-- SELF 5 Mpx · ƒ/-- SELF 5 Mpx · ƒ/--
Bands
OS Android 6.0 Marshmallow Android 7.0 Nougat Android 9.0 P Android 7.0 Nougat

Brand
Brand UMiDIGI UMiDIGI Xiaomi Xiaomi
Aliases -- -- Xiaomi MiA1 Xiaomi Mi 5x

Release Date
Release date August 2017,
6 years ago 		August 2017,
6 years ago 		September 2017,
6 years ago 		June 2017,
6 years ago
State Not available Not available Not available Not available
Market Global Global Global China

Design & Materials

Structure

UMiDIGI S2
UMiDIGI S2 Pro
Xiaomi Mi A1
Xiaomi Mi5x
UMiDIGI S2
UMiDIGI S2 Pro
Xiaomi Mi A1
Xiaomi Mi5x
Size
74.6 mm • 158.6 mm • 8.0 mm
See more details
 Print 3D Model
74.6 mm • 158.1 mm • 8.8 mm
See more details
 Print 3D Model
75.8 mm • 155.4 mm • 7.3 mm
See more details
 Print 3D Model
75.8 mm • 155.4 mm • 7.3 mm
See more details
 Print 3D Model
Weight 188 g 186 g 165 g 165 g
Usable surface 78 % 78 % 70 % 70 %
Materials Aluminium alloy Aluminium alloy Aluminium alloy, Metal Aluminium alloy
Resistance - - - -
Colors
Black

Silver

Red
Black

Silver

Red
Black

Gold

Red

Rose-gold
Black

Gold

Rose-gold

Screen
Diagonal 5.99" 6" 5.5" 5.5"
Type LCD IPS LCD IPS LCD IPS LCD IPS
Aspect Ratio 18:9 18:9 16:9 16:9
Resolution HD+
720 x 1440 px 		FHD+
1080 x 2160 px 		FHD
1080 x 1920 px 		FHD
1080 x 1920 px
Density 269 Pixels per inch 402 Pixels per inch 401 Pixels per inch 401 Pixels per inch

Others

Others
  • Without Notch
  • Color LED Notifications
  • Scratch resistant
  • 2.5D curved glass screen
  • Corning Gorilla Glass 4
  • Capacitive
  • Multi-touch
  • Without Notch
  • Scratch resistant
  • 2.5D curved glass screen
  • Corning Gorilla Glass 4
  • Capacitive
  • Multi-touch
  • Without Notch
  • Brightnes 450 cd/m² (typ)
  • 1000:1 contrast ratio
  • LED Notifications
  • Corning Gorilla Glass 3
  • 2.5D curved glass screen
  • 2.5D curved glass glass
  • Capacitive
  • Multi-touch
  • Physical buttons
  • Without Notch
  • Brightnes 450 cd/m² (typ)
  • 1000:1 contrast ratio
  • Color LED Notifications
  • 2.5D curved glass screen
  • Capacitive
  • Multi-touch
  • Physical buttons

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
7.1
5.2
7.6
7.1
Do you think it's a nice phone?
9.1
7.9
8.9
9.0
Is it comfortable?
8.9
7.3
8.6
9.0
Can you see it well in the sunlight?
8.3
6.9
7.8
8.0
Number of reviews
22 reviews
34 reviews
323 reviews
23 reviews

Performance & Hardware

Processor
Model MediaTek Helio P20 (MT6757) MediaTek Helio P25 (MT6757CD) Qualcomm Snapdragon 625 MSM8953 Qualcomm Snapdragon 625 MSM8953
CPU 4x Cortex-A53 2.39 GHz + 4x Cortex-A53 1.6 GHz 4x Cortex-A53 2.5 GHz + 4x Cortex-A53 1.6 GHz 8x Cortex-A53 2.0 GHz 8x Cortex-A53 2.0 GHz
Type Octa-Core Octa-Core Octa-Core Octa-Core
Manufacturing 16 nm 16 nm 14 nm 14 nm
64 Bits Yes Yes Yes Yes

Graphics
GPU ARM Mali-T880 MP2 900MHz ARM Mali-T880 MP2 Qualcomm Adreno 506 Qualcomm Adreno 506

RAM
RAM 4 GB 6 GB 4 GB 4 GB
Type -- -- -- --

Antutu
Score
60.000
Antutu v?
Overall performance better than 25% of devices
See more details
61.566
Antutu v?
Overall performance better than 33% of devices
See more details
78.150
Antutu v7
Overall performance better than 34% of devices
See more details
62.957
Antutu v6
Overall performance better than 39% of devices
See more details

Storage
Capacity 64 GB 128 GB 32 GB 32 GB
Type -- -- -- --
SD Slot Yes ,
Slot for SD or second SIM card 		Yes ,
Slot for SD or second SIM card 		Yes ,
Slot for SD or second SIM card 		Yes ,
Slot for SD or second SIM card

Security
Fingerprint Yes, in the back Yes, in the back Yes, in the back Yes, in the back

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

Audio

Audio
-
-
-
-

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

User reviews

Does it have good sound?
8.1
6.7
8.6
8.5
Does it work smoothly in everyday use?
8.4
6.0
9.0
8.8
What's your experience been with demanding games?
8.1
6.2
8.1
8.3
Number of reviews
22 reviews
34 reviews
323 reviews
23 reviews

Camera

Main
No. of cameras Double rear camera Double rear camera Double rear camera Double rear camera
1
Camera type

Standard

Standard

Standard

Standard
Resolution 13 Mpx 13 Mpx 12 Mpx 12 Mpx
Sensor Sony IMX258 Sony IMX258 Omnivision OV12A10 Omnivision OV12A10
Type CMOS CMOS CMOS CMOS
Aperture ƒ/ 2.0 Unknow ƒ/ 2.2 ƒ/ 2.2
ISO -- -- -- --
Pixel size 1.12 µm 1.12 µm 1.25 µm 1.25 µm
Pixel Binning -- -- -- --
Sensor size 1/3.06" 1/3.06" 1/2.9" 1/2.9"
2
Camera type

Portrait mode (depth)

Portrait mode (depth)

Telephoto lens

Telephoto lens
Resolution
5 Mpx
5 Mpx
12 Mpx
12 Mpx
Sensor
Unknown
Unknown
Omnivision OV13880
Unknown
Type
--
--
PureCel
--
Aperture
ƒ/ --
ƒ/ --
ƒ/ 2.6
ƒ/ 2.4
Pixel size
--
--
1.00 µm
--
Pixel Binning
--
--
--
--
Sensor size
--
--
1/2.4"
--

Features
Flash Dual LED Quad LED Dual LED Dual LED
Optical Stabilisation No No No No
Slow Motion Video No,
30 fps 		No,
30 fps 		Yes,
120 fps 		Yes,
120 fps
Others
  • Digital zoom
  • Dual camera
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • Digital zoom
  • Dual camera
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • 4K Video
  • Digital zoom
  • Optical zoom
  • Dual camera
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • 4K Video
  • Digital zoom
  • Optical zoom
  • Dual camera
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer

Selfie
SELF
Camera type

Dedicated

Dedicated

Dedicated

Dedicated
Resolution 5 Mpx 16 Mpx 5 Mpx 5 Mpx
Sensor Unknown Unknown Samsung S5K5E8 Samsung S5K5E8
Type -- -- CMOS CMOS
Aperture ƒ/ -- ƒ/ -- ƒ/ -- ƒ/ --
Pixel size -- -- 1.12 µm 1.12 µm
Pixel Binning -- -- -- --
Sensor size -- -- 1/5" 1/5"
Others
--
--
--
--

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

User reviews

Quality of daytime photos
7.0
5.8
8.7
9.1
Quality of nighttime photos
4.8
4.1
6.5
7.1
Quality of selfies
5.6
6.0
7.3
7.8
Does it have a powerful flash?
7.0
5.5
8.4
8.3
Number of reviews
22 reviews
34 reviews
323 reviews
23 reviews
Kimovil Photo Lab

camera: Comparison of real photos

  • UMiDIGI S2
  • UMiDIGI S2 Pro
  • Xiaomi Mi A1
  • Xiaomi Mi5x
Compare technical photos

Connectivity

Network compatibility

5G -- -- -- --
4G LTE
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B12 (700)
  • B17 (700)
  • B20 (800)
  • B38 (TDD 2600)
  • B39 (TDD 1900)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B1 (2100)
  • B3 (1800)
  • B7 (2600)
  • B20 (800)
  • B1 (2100)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B20 (800)
  • B38 (TDD 2600)
  • B39 (TDD 1900)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B1 (2100)
  • B3 (1800)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B34 (TDD 2100)
  • 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)
  • B5 (850)
  • B8 (900)
  • B1 (2100)
  • B2 (1900)
  • 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)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • CDMA2000 EV-DO
  • CDMA BC0 (800)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)

SIM card
Dual SIM Dual Sim Dual Standby Dual Sim Dual Standby Dual Sim Dual Standby Dual Sim Dual Standby
Type
  • Nano SIM
  • Nano SIM
  • Nano SIM
  • Nano SIM
  • Nano SIM
  • Nano SIM
  • Nano SIM
  • Nano SIM

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

Bluetooth
Version Bluetooth 4.1 Bluetooth 4.1 Bluetooth 4.2 Bluetooth 4.2
Others
  • A2DP (Advanced Audio Distribution Profile)
  • A2DP (Advanced Audio Distribution Profile)
  • A2DP (Advanced Audio Distribution Profile)
  • HID (Human Interface Profile)
  • A2DP (Advanced Audio Distribution Profile)
  • HID (Human Interface Profile)

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

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

SAR
European measurement

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

 -- -- 1.750 W/Kg on head
0.760 W/Kg on body 		--
American measurement

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

 -- -- 1.260 W/Kg on head
0.170 W/Kg on body 		1.000 W/Kg on head
0.290 W/Kg on body

Others
Others
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • VoLTE
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • VoLTE
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Infrared
  • Tethering.
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.

User reviews

Does it have good coverage for calls?
8.1
7.3
8.8
8.5
Quality of the GPS
8.2
6.5
8.7
8.6
And the WiFi?
8.7
6.1
8.8
8.8
Number of reviews
22 reviews
34 reviews
323 reviews
23 reviews

Battery

Battery
Capacity
5100 mAh
See more details
5100 mAh
See more details
3080 mAh
See more details
3080 mAh
See more details
Type Li-Polymer Li-Polymer Li-Polymer Li-Polymer
Fast charge Yes Yes No No
Others
  • Non-removable
  • Non-removable
  • Non-removable
  • Non-removable

User reviews

How long does the battery last?
  • 0%
    Less than half day
  • 0%
    Less than a day
  • 10%
    One day
  • 43%
    More than one day
  • 48%
    Two days or more
  • 6%
    Less than half day
  • 9%
    Less than a day
  • 15%
    One day
  • 48%
    More than one day
  • 21%
    Two days or more
  • 2%
    Less than half day
  • 16%
    Less than a day
  • 36%
    One day
  • 42%
    More than one day
  • 5%
    Two days or more
  • 0%
    Less than half day
  • 9%
    Less than a day
  • 35%
    One day
  • 48%
    More than one day
  • 9%
    Two days or more
Number of reviews
22 reviews
34 reviews
323 reviews
23 reviews

Software

Software
Operating System
  • Android 6.0 Marshmallow
    Android 6.0 Marshmallow, 8 years ago
  • UMI OS (Android 7.0 Nougat)
    Android 7.0 Nougat, 7 years ago
  • Android 9.0 Pie
    Android 9.0 P, 5 years ago
  • MIUI V9 (Android 7.1.1 Nougat)
    Android 7.0 Nougat, 7 years ago
Google Services (official) Yes Yes Yes No

User reviews

Did it come with preinstalled applications?
  • 43%
    It comes with a clean operating system
  • 48%
    It has preinstalled apps but they don't bother me
  • 10%
    It has preinstalled apps that I can't uninstall
  • 0%
    It comes with a clean operating system
  • 32%
    It has preinstalled apps but they don't bother me
  • 68%
    It has preinstalled apps that I can't uninstall
  • 56%
    It comes with a clean operating system
  • 41%
    It has preinstalled apps but they don't bother me
  • 3%
    It has preinstalled apps that I can't uninstall
  • 4%
    It comes with a clean operating system
  • 78%
    It has preinstalled apps but they don't bother me
  • 17%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
  • 41%
    Never
  • 12%
    Once a year
  • 41%
    Every six months
  • 6%
    Every two months or less
  • 59%
    Never
  • 7%
    Once a year
  • 28%
    Every six months
  • 7%
    Every two months or less
  • 1%
    Never
  • 3%
    Once a year
  • 17%
    Every six months
  • 79%
    Every two months or less
  • 5%
    Never
  • 5%
    Once a year
  • 43%
    Every six months
  • 48%
    Every two months or less
Number of reviews
22 reviews
34 reviews
323 reviews
23 reviews
Prices
Prices unavailable
Prices unavailable
Prices unavailable
Prices unavailable