Smartisan U1 VS. Xiaomi Redmi Note 4X: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Smartisan U1 VS. Xiaomi Redmi Note 4X. The complete information of specifications to decide which to buy.

Devices

Ki Note

Ki Cost-effectiveness
No price,
no Ki
7.4
Cost-effectiveness
Design & Materials
6
6.1
Performance & Hardware
3.6
5.8
Camera
5
6.3
Connectivity
5.8
6.4
Battery
3.9
7.9

Basics

Brand

Aliases
--
--

Release Date

Release date
August 2015, 4 years ago
February 2017, 2 years ago
State
Not available
On Sale

Design & Materials

Structure

Size
76.9 mm
152.9 mm
8.8 mm
76.0 mm
151.0 mm
8.4 mm
Weight
155 g
165 g
Usable surface
71 %
72 %
Materials
Plastic
Metal, Plastic
Resistance
-
-
Colors
Blue

Cyan

Green

Orange

Purple

Red

Yellow
Black

Gold

Screen

Diagonal
5.5"
5.5"
Type
LCD IPS Sharp
LCD IPS
Resolution
1080 x 1920 px
1080 x 1920 px
Density
401 Pixels per inch
401 Pixels per inch
Others
  • 1000:1 contrast ratio
  • 400 cd/m2
  • 80
  • Capacitive
  • Corning Gorilla Glass 3
  • Multi-touch
  • Without Notch
  • NTSC
  • Scratch resistant
  • 1000:1 contrast ratio
  • 2.5D curved glass screen
  • 450 cd/m2
  • 72% NTSC
  • Capacitive
  • Color LED Notifications
  • Multi-touch
  • Without Notch
  • NTSC
  • Scratch resistant
  • Viewing angle - 178°

Prototypes





Prototypes
Smartisan U1
Print 3D Model
Xiaomi Redmi Note 4X
Print 3D Model

Photos

Performance & Hardware

Processor

Model
Qualcomm Snapdragon 615 MSM8939 1.5Ghz
Qualcomm Snapdragon 625 MSM8953
CPU
Cortex A53 4X1.5GHz + 4x1GHz
ARM Cortex-A53
Type
Octa-Core
Octa-Core
Frequency
1.5 GHz
2 GHz
64 Bits
Yes
Yes

Graphics

GPU
Qualcomm Adreno 405 550 Mhz
Qualcomm Adreno 506

RAM

RAM
2 GB
3 GB

Antutu

Score
28.400
Overall performance better than 30% of devices
61.718 (Antutu v6)
Overall performance better than 61% of devices

Storage

Capacity
16 GB
32 GB
SD Slot
No
Yes
Slot for SD or second SIM card

Security

Fingerprint
No
Yes, in the back

Sensors

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

Others

Notifications LED
No
Color LED Notifications

Camera

Main

Resolution
12.8 Mpx
13 Mpx
Pixel size
1.136 µm
1.133 µm
Sensor
Samsung Unknown
Omnivision OV13855
Type
CMOS BSI
CMOS BSI
Aperture
f/2.2
f/2.0
Flash
LED
Dual LED
Features
  • Autofocus
  • Continuous shooting
  • Digital image stabilization
  • Digital zoom
  • Exposure compensation
  • Face detection
  • Geotagging
  • HDR
  • ISO settings
  • Macro mode
  • Panorama
  • Scene mode
  • Self-timer
  • Touch focus
  • White balance settings
  • Autofocus
  • Continuous shooting
  • Digital image stabilization
  • Digital zoom
  • Exposure compensation
  • Face detection
  • Geotagging
  • HDR
  • ISO settings
  • Macro mode
  • Panorama
  • Scene mode
  • Self-timer
  • Touch focus
  • White balance settings
Slow Motion Video
No
30 fps
Yes
120 fps
Optical Stabilisation
No
No

Selfie

Resolution
5 Mpx
5 Mpx

Connectivity

Networks

5G
-
-
4G LTE
  • B1 (2100)
  • B3 (1800)
  • B7 (2600)
  • B38 (TDD 2600)
  • B39 (TDD 1900)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B1 (2100)
  • B3 (1800)
  • B5 (850)
  • B7 (2600)
  • B38 (TDD 2600)
  • B39 (TDD 1900)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
3G
  • B1 (2100)
  • B2 (1900)
  • B5 (850)
  • B8 (900)
  • B34 (TD 2000)
  • B39 (TD 1900+)
  • B1 (2100)
  • B2 (1900)
  • B5 (850)
  • B8 (900)
  • B34 (TD 2000)
  • B39 (TD 1900+)
2G
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • CDMA BC0 (800)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)

SIM card

Dual SIM
Dual Sim Dual Standby
Dual Sim Dual Standby
Type
Micro SIM
Micro SIM
Nano SIM
Micro SIM

Wi-Fi

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

Bluetooth

Version
Bluetooth 4.0
Bluetooth 4.2 LE Low energy consumption
Others
  • A2DP (Advanced Audio Distribution Profile)
  • A2DP (Advanced Audio Distribution Profile)
  • HID (Human Interface Profile)
  • LE (Low Energy)

Navigation

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

USB

USB
  • 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.

--
--
American measurement

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

--
--

Others

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

Battery

Battery
Capacity
2900 mAh
4100 mAh
Type
Li-Polymer
Li-Polymer
Others
Non-removable
Non-removable

Software

Software
Operating System
Smartisan 2.0 (Android 4.4.2 KitKat)
MIUI V9 (Android 7.1 Nougat)

Prices

Prices unavailable

Prices