THL Knight 1 vs Ulefone Gemini vs UMiDIGI C2 vs UMiDIGI S: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: THL Knight 1 vs Ulefone Gemini vs UMiDIGI C2 vs UMiDIGI S. The complete information of specifications to decide which to buy.

Compare
Technical data sheets

Basics

THL Knight 1
THL Knight 1
China · 3GB · 32GB
View datasheet
vs
Ulefone Gemini
Ulefone Gemini
Global · 3GB · 32GB
View datasheet
vs
UMiDIGI C2
UMiDIGI C2
Global · 3GB · 32GB
View datasheet
vs
UMiDIGI S
UMiDIGI S
Global · 4GB · 64GB
View datasheet
vs

Score

Ki Cost-effective
Score
-- Not available 5.8 Ki Cost-effective
Score
6.0 Ki Cost-effective
Score
-- Not available
Design and Screen score --Design & Materials 5.1Design & Materials 5.8Design & Materials --Design & Materials
Performance and Hardware score --Performance & Hardware 4.6Performance & Hardware 4.6Performance & Hardware --Performance & Hardware
Camera score --Camera 4.6Camera 4.6Camera --Camera
Connectivity score -- Connectivity 4.8 Connectivity 4.7 Connectivity -- Connectivity
Battery score --Battery 4.8 Battery 4.9 Battery --Battery

User reviews

User score
--
1 review
5.5
12 reviews
7.1
8 reviews
--
3 reviews

Technical specifications of the THL Knight 1 vs Ulefone Gemini vs UMiDIGI C2 vs UMiDIGI S

Specs THL Knight 1 prices THL Knight 1
China · 3GB · 32GB
Ulefone Gemini price compare Ulefone Gemini
Global · 3GB · 32GB
UMiDIGI C2 price comparison UMiDIGI C2
Global · 3GB · 32GB
where to buy UMiDIGI S UMiDIGI S
Global · 4GB · 64GB
Inches 5.5" 5.5" 5" 5.5"
Resolution FHD FHD FHD FHD
Usable surface 69% useful 70% useful 69% useful 72% useful
Aspect Ratio 16:9 16:9 16:9 16:9
Dimensions 77.2 mm
155.5 mm
8.2 mm
76.8 mm
154.0 mm
9.1 mm
69.3 mm
142.6 mm
9.5 mm
74.0 mm
156.0 mm
8.2 mm
Weight 174 g 185 g 148 g 168 g
Micro MT6750
Octa-Core
MT6737
Quad-Core
MT6750
Octa-Core
Helio P20
Octa-Core
RAM 3 GB RAM 3 GB RAM 3 GB RAM 4 GB RAM
Storage 32 GB 32 GB 32 GB 64 GB
AnTuTu 39.000
v?
38.913
v6
41.005
v?
67.532
v?
Battery 3100 mAh 3250 mAh 4000 mAh 4000 mAh
Main Camera 1
13 Mpx · ƒ/2.2

2
1
13 Mpx · Unknow

2
1
13 Mpx · Unknow
S5K3L8
1
13 Mpx · Unknow
S5K3L8
2
Selfie Camera SELF 8 Mpx · ƒ/-- SELF 5 Mpx · ƒ/-- SELF 5 Mpx · ƒ/-- SELF 5 Mpx · ƒ/--
Bands
OS Android 7.0 Nougat Android 6.0 Marshmallow Android 7.0 Nougat Android 7.0 Nougat

Brand

Brand THL Ulefone UMiDIGI UMiDIGI
Aliases -- -- -- --

Release Date

Release date April 2017,
7 years ago
January 2017,
7 years ago
July 2017,
6 years ago
July 2017,
6 years ago
State Not available On Sale On Sale Not available
Market China Global Global Global

Design & Materials

Structure

THL Knight 1
Ulefone Gemini
UMiDIGI C2
UMiDIGI S
THL Knight 1
Ulefone Gemini
UMiDIGI C2
UMiDIGI S
Size
77.2 mm 155.5 mm 8.2 mm
Print 3D Model
76.8 mm 154.0 mm 9.1 mm
Print 3D Model
69.3 mm 142.6 mm 9.5 mm
Print 3D Model
74.0 mm 156.0 mm 8.2 mm
Print 3D Model
Weight 174 g 185 g 148 g 168 g
Usable surface 69 % 70 % 69 % 72 %
Materials Aluminium alloy Metal Aluminium alloy Aluminium alloy
Resistance - - - -
Colors
Black

Gold

Silver
Black

Gold

Silver
Black

Blue
Gold

Gray

Screen

Diagonal 5.5" 5.5" 5" 5.5"
Type LCD IPS LTPS LCD Sharp IGZO LCD IPS Sharp
Aspect Ratio 16:9 16:9 16:9 16:9
Resolution FHD
1080 x 1920 px
FHD
1080 x 1920 px
FHD
1080 x 1920 px
FHD
1080 x 1920 px
Density 401 Pixels per inch 401 Pixels per inch 441 Pixels per inch 401 Pixels per inch

Others

Others
  • Without Notch
  • 1500:1 contrast ratio
  • 85% NTSC
  • Scratch resistant
  • 2.5D curved glass screen
  • Capacitive
  • Multi-touch
  • Without Notch
  • NTSC
  • 96% NTSC
  • Capacitive
  • Multi-touch
  • LTPS (Low Temperature PolySilicon silicon)
  • VR headset support
  • Without Notch
  • 95% NTSC
  • NTSC
  • Color LED Notifications
  • Scratch resistant
  • 2.5D curved glass screen
  • Corning Gorilla Glass 4
  • Capacitive
  • Multi-touch
  • Without Notch
  • 95% NTSC
  • 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?
--
5.3
7.5
--
Do you think it's a nice phone?
--
8.2
7.5
--
Is it comfortable?
--
7.8
8.4
--
Can you see it well in the sunlight?
--
6.6
6.9
--
Number of reviews
--
12 reviews
8 reviews
--

Performance & Hardware

Processor

Model MediaTek MT6750T MediaTek MT6737T MediaTek MT6750T MediaTek Helio P20 (MT6757)
CPU 4x Cortex-A53 1.5 GHz + 4x Cortex-A53 1.0 GHz 4x Cortex-A53 1.5 GHz 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 Quad-Core Octa-Core Octa-Core
Manufacturing 28 nm 28 nm 28 nm 16 nm
64 Bits Yes Yes Yes Yes

Graphics

GPU ARM Mali-T860 MP2 ARM Mali-T720 MP2 ARM Mali-T860 MP2 ARM Mali-T880 MP2 900MHz

RAM

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

Storage

Capacity 32 GB 32 GB 32 GB 64 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, on the front Yes, on the front Yes, on the front Yes, on the front

Sensors

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

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?
--
6.9
6.5
--
Does it work smoothly in everyday use?
--
6.9
7.4
--
What's your experience been with demanding games?
--
6.3
5.5
--
Number of reviews
--
12 reviews
8 reviews
--

Camera

Main

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

Standard

Standard

Standard

Standard
Resolution 13 Mpx 13 Mpx 13 Mpx 13 Mpx
Sensor Unknown Unknown Samsung S5K3L8 Samsung S5K3L8
Type CMOS CMOS BSI ISOCELL ISOCELL
Aperture ƒ/ 2.2 Unknow Unknow Unknow
ISO -- -- 100 - 1600 --
Pixel size 1.13 µm -- 1.12 µm 1.12 µm
Pixel Binning -- -- -- --
Sensor size -- -- 1/3.1" 1/3.1"
2
Camera type


Portrait mode (depth)
--

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

Features

Flash Dual LED Dual LED 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
  • 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
  • Digital zoom
  • 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

Dedicated

Dedicated
Resolution 8 Mpx 5 Mpx 5 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
--
7.7
6.8
--
Quality of nighttime photos
--
5.5
6.1
--
Quality of selfies
--
5.8
6.6
--
Does it have a powerful flash?
--
6.5
6.8
--
Number of reviews
--
12 reviews
8 reviews
--
Kimovil Photo Lab

Ulefone Gemini vs UMiDIGI S camera: Comparison of real photos

Connectivity

Network compatibility

5G -- -- -- --
4G LTE
  • B1 (2100)
  • B3 (1800)
  • B7 (2600)
  • B20 (800)
  • B1 (2100)
  • B3 (1800)
  • B7 (2600)
  • B8 (900)
  • B20 (800)
  • B1 (2100)
  • B3 (1800)
  • B7 (2600)
  • B20 (800)
  • B1 (2100)
  • B3 (1800)
  • B7 (2600)
  • B20 (800)
3G
  • B1 (2100)
  • B5 (850)
  • B1 (2100)
  • B8 (900)
  • B1 (2100)
  • B8 (900)
  • B1 (2100)
  • 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 Dual Standby Dual Sim Dual Standby Dual Sim Dual Standby Dual Sim Dual Standby
Type
  • Micro SIM
  • Micro SIM
  • Micro 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
  • 802.11a
  • 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 Hotspot
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Display

Bluetooth

Version Bluetooth 4.0 Bluetooth 4.0 Bluetooth 4.0 Bluetooth 4.1
Others
  • A2DP (Advanced Audio Distribution Profile)
  • A2DP (Advanced Audio Distribution Profile)
  • A2DP (Advanced Audio Distribution Profile)
  • A2DP (Advanced Audio Distribution Profile)

Navigation

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

USB

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

-- -- -- 0.250 W/Kg on head
0.855 W/Kg on body
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.
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • VoLTE
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • VoLTE

User reviews

Does it have good coverage for calls?
--
7.3
7.1
--
Quality of the GPS
--
6.6
7.1
--
And the WiFi?
--
7.8
8.0
--
Number of reviews
--
12 reviews
8 reviews
--

Battery

Battery

Capacity
3100 mAh
3250 mAh
4000 mAh
4000 mAh
Type Li-Polymer Li-Polymer Li-Polymer Li-Polymer
Fast charge Yes Yes No Yes
Others
  • Non-removable
  • Non-removable
  • Non-removable
  • Non-removable

User reviews

How long does the battery last?
--
  • 18%
    Less than half day
  • 36%
    Less than a day
  • 27%
    One day
  • 18%
    More than one day
  • 0%
    Two days or more
  • 0%
    Less than half day
  • 0%
    Less than a day
  • 13%
    One day
  • 63%
    More than one day
  • 25%
    Two days or more
--
Number of reviews
--
12 reviews
8 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
  • UMI OS (Android 7.0 Nougat)
    Android 7.0 Nougat, 7 years ago
  • Android 7.0 Nougat
    Android 7.0 Nougat, 7 years ago
Google Services (official) Yes Yes Yes Yes

User reviews

Did it come with preinstalled applications?
--
  • 8%
    It comes with a clean operating system
  • 83%
    It has preinstalled apps but they don't bother me
  • 8%
    It has preinstalled apps that I can't uninstall
  • 0%
    It comes with a clean operating system
  • 63%
    It has preinstalled apps but they don't bother me
  • 38%
    It has preinstalled apps that I can't uninstall
--
Do you regularly receive updates?
--
  • 36%
    Never
  • 18%
    Once a year
  • 18%
    Every six months
  • 27%
    Every two months or less
  • 25%
    Never
  • 13%
    Once a year
  • 38%
    Every six months
  • 13%
    Every two months or less
--
Number of reviews
--
12 reviews
8 reviews
--