Koolnee K1 vs UMiDIGI S2: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Koolnee K1 vs UMiDIGI S2. The complete information of specifications to decide which to buy.

Compare
Koolnee K1Koolnee K1Global · 4GB · 64GB
UMiDIGI S2UMiDIGI S2Global · 4GB · 64GB
Technical data sheets

Basics
Koolnee K1
Koolnee K1
Global · 4GB · 64GB
View datasheet
vs
UMiDIGI S2
UMiDIGI S2
Global · 4GB · 64GB
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
6.3
12 reviews
7.5
22 reviews

Technical specifications of the Koolnee K1 vs UMiDIGI S2

Specs Koolnee K1 price compare Koolnee K1
Global · 4GB · 64GB 		where to buy UMiDIGI S2 UMiDIGI S2
Global · 4GB · 64GB
Inches 6.01" 5.99"
Resolution FHD+ HD+
Usable surface 80% useful 78% useful
Aspect Ratio 18:9 18:9
Dimensions 74.0 mm
157.0 mm
8.8 mm 		74.6 mm
158.6 mm
8.0 mm
Weight 210 g 188 g
Micro MT6750
Octa-Core 		Helio P20
Octa-Core
RAM 4 GB RAM 4 GB RAM
Storage 64 GB 64 GB
AnTuTu 44.198
v6 		60.000
v?
Battery 3190 mAh 5100 mAh
Main Camera 1
13 Mpx · ƒ/2.2
IMX135 Exmor RS
2 		1
13 Mpx · ƒ/2.0
IMX258
2
Selfie Camera SELF 8 Mpx · ƒ/-- SELF 5 Mpx · ƒ/--
Bands
OS Android 7.0 Nougat Android 6.0 Marshmallow

Brand
Brand Koolnee UMiDIGI
Aliases -- --

Release Date
Release date December 2017,
6 years ago 		August 2017,
6 years ago
State Not available Not available
Market Global Global

Design & Materials

Structure

Koolnee K1
UMiDIGI S2
Koolnee K1
UMiDIGI S2
Size
74.0 mm • 157.0 mm • 8.8 mm
See more details
 Print 3D Model
74.6 mm • 158.6 mm • 8.0 mm
See more details
 Print 3D Model
Weight 210 g 188 g
Usable surface 80 % 78 %
Materials Metal Aluminium alloy
Resistance - -
Colors
Black

Blue

Gold
Black

Silver

Red

Screen
Diagonal 6.01" 5.99"
Type LCD IPS LCD IPS
Aspect Ratio 18:9 18:9
Resolution FHD+
1080 x 2160 px 		HD+
720 x 1440 px
Density 402 Pixels per inch 269 Pixels per inch

Others

Others
  • Without Notch
  • Full Lamination Technology
  • Corning Gorilla Glass 3
  • 2.5D curved glass screen
  • 2.5D curved glass glass
  • Capacitive
  • Multi-touch
  • Frameless
  • Without Notch
  • Color LED Notifications
  • Scratch resistant
  • 2.5D curved glass screen
  • Corning Gorilla Glass 4
  • Capacitive
  • Multi-touch

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
6.9
7.1
Do you think it's a nice phone?
8.8
9.1
Is it comfortable?
8.3
8.9
Can you see it well in the sunlight?
6.8
8.3
Number of reviews
12 reviews
22 reviews

Performance & Hardware

Processor
Model MediaTek MT6750T MediaTek Helio P20 (MT6757)
CPU 4x Cortex-A53 1.5 GHz + 4x Cortex-A53 1.0 GHz 4x Cortex-A53 2.39 GHz + 4x Cortex-A53 1.6 GHz
Type Octa-Core Octa-Core
Manufacturing 28 nm 16 nm
64 Bits Yes Yes

Graphics
GPU ARM Mali-T860 MP2 ARM Mali-T880 MP2 900MHz

RAM
RAM 4 GB 4 GB
Type -- --

Antutu
Score
44.198
Antutu v6
Overall performance better than 26% of devices
See more details
60.000
Antutu v?
Overall performance better than 25% of devices
See more details

Storage
Capacity 64 GB 64 GB
Type -- --
SD Slot Yes ,
Independent SD slot 		Yes ,
Slot for SD or second SIM card

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

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

Audio

Audio
-
-

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

User reviews

Does it have good sound?
6.3
8.1
Does it work smoothly in everyday use?
6.3
8.4
What's your experience been with demanding games?
3.3
8.1
Number of reviews
12 reviews
22 reviews

Camera

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

Standard

Standard
Resolution 13 Mpx 13 Mpx
Sensor Sony IMX135 Exmor RS Sony IMX258
Type CMOS CMOS
Aperture ƒ/ 2.2 ƒ/ 2.0
ISO -- --
Pixel size 1.12 µm 1.12 µm
Pixel Binning -- --
Sensor size 1/3.06" 1/3.06"
2
Camera type


Portrait mode (depth)
Resolution
2 Mpx
5 Mpx
Sensor
Unknown
Unknown
Type
--
--
Aperture
ƒ/ --
ƒ/ --
Pixel size
--
--
Pixel Binning
--
--
Sensor size
--
--

Features
Flash Dual LED Dual LED
Optical Stabilisation No No
Slow Motion Video No,
30 fps 		No,
30 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

Selfie
SELF
Camera type

Dedicated

Dedicated
Resolution 8 Mpx 5 Mpx
Sensor GalaxyCore GC5025 Unknown
Type CMOS BSI --
Aperture ƒ/ -- ƒ/ --
Pixel size 1.12 µm --
Pixel Binning -- --
Sensor size 1/5" --
Others
--
--

DxOMark Score
DxOMark Score -- --

User reviews

Quality of daytime photos
5.8
7.0
Quality of nighttime photos
4.5
4.8
Quality of selfies
4.2
5.6
Does it have a powerful flash?
6.3
7.0
Number of reviews
12 reviews
22 reviews

Connectivity

Network compatibility

5G -- --
4G LTE
  • B1 (2100)
  • B3 (1800)
  • B7 (2600)
  • B20 (800)
  • 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)
3G
  • B1 (2100)
  • B5 (850)
  • B8 (900)
  • B1 (2100)
  • B2 (1900)
  • B5 (850)
  • B8 (900)
2G
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)

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

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

Bluetooth
Version Bluetooth 4.0 Bluetooth 4.1
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
  • Charging
  • Mass Storage
  • USB Type C

SAR
European measurement

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

 -- --
American measurement

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

 -- --

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

User reviews

Does it have good coverage for calls?
8.3
8.1
Quality of the GPS
6.6
8.2
And the WiFi?
7.9
8.7
Number of reviews
12 reviews
22 reviews

Battery

Battery
Capacity
3190 mAh
See more details
5100 mAh
See more details
Type Li-Polymer Li-Polymer
Fast charge No Yes
Others
  • Non-removable
  • Non-removable

User reviews

How long does the battery last?
  • 8%
    Less than half day
  • 8%
    Less than a day
  • 42%
    One day
  • 42%
    More than one day
  • 0%
    Two days or more
  • 0%
    Less than half day
  • 0%
    Less than a day
  • 10%
    One day
  • 43%
    More than one day
  • 48%
    Two days or more
Number of reviews
12 reviews
22 reviews

Software

Software
Operating System
  • Android 7.0 Nougat
    Android 7.0 Nougat, 7 years ago
  • Android 6.0 Marshmallow
    Android 6.0 Marshmallow, 8 years ago
Google Services (official) Yes Yes

User reviews

Did it come with preinstalled applications?
  • 8%
    It comes with a clean operating system
  • 75%
    It has preinstalled apps but they don't bother me
  • 17%
    It has preinstalled apps that I can't uninstall
  • 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
Do you regularly receive updates?
  • 17%
    Never
  • 8%
    Once a year
  • 33%
    Every six months
  • 17%
    Every two months or less
  • 41%
    Never
  • 12%
    Once a year
  • 41%
    Every six months
  • 6%
    Every two months or less
Number of reviews
12 reviews
22 reviews
Prices
Prices unavailable
Prices unavailable