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Compare 5 products

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Asus Padfone 2 Mobile Phone
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Xiaomi MI 9 Mobile Phone
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Xiaomi Redmi Note 4 Mobile Phone
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Xiaomi Redmi Note 8 Mobile Phone
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Xiaomi Redmi Note 9 Pro Mobile Phone

Hardware

Operating systemAndroid 4.1
N/A
Android 6.0
N/A
Android 10
CPU clock speed1.5 GHz2.84 GHz2.1 GHz2.0 GHz2.3 GHz
CPU coresQuad-core8-core10-core8-core8-core
CPU modelQualcomm Snapdragon S4 Pro APQ8064Qualcomm Snapdragon 855MediaTek Helio X MT6797Qualcomm Snapdragon 665Qualcomm Snapdragon 720G
GPU modelQualcomm Adreno 320
N/A
ARM Mali-T880 MP4
N/A
N/A
RAM memory2 GB6 GB
  • 2 GB
  • 3 GB
  • 4 GB
  • 3 GB
  • 4 GB
6 GB

Display

Screen size4.7 in6.39 in5.5 in6.3 in6.67 in
Panel typeLCD
N/A
LCD
N/A
N/A
Resolution1280 x 720 px2340 x 1080 px1920 x 1080 px2340 x 1080 px2400 x 1080 px
TechnologyIPS LCDAMOLEDIPS TFT
N/A
IPS
Pixel density312.0 ppi403.0 ppi401.0 ppi
N/A
N/A
Multi touchyes
N/A
N/A
N/A
N/A
Screen material
N/A
  • Corning Gorilla Glass 6.0
  • Fingerprint-resistant coating
Corning Gorilla Glass
Corning Gorilla Glass 5
Corning Gorilla Glass 5.0
HDR
N/A
yesno
N/A
N/A
Touchscreen
N/A
N/A
yes
N/A
N/A
Number of colors
N/A
N/A
16.7M
N/A
16.7M
Dual screen support
N/A
N/A
no
N/A
N/A
Scratch resistant display
N/A
N/A
no
N/A
N/A

Rear camera

Primary sensor resolution13.0 Mpx48.0 Mpx13.0 Mpx48.0 Mpx64.0 Mpx
Primary lens aperture2.4 f
N/A
2.0 f
N/A
N/A
Highest video resolution1920 x 1080 px
N/A
1920 x 1080 px
N/A
N/A
Autofocusyes
N/A
yes
N/A
N/A
Burst Modeyes
N/A
N/A
N/A
N/A
Digital zoomyes
N/A
N/A
N/A
N/A
Face detectionyesFace recognition
N/A
Face recognitionFace recognition
Geo-taggingyes
N/A
yes
N/A
N/A
LED Flashyes
N/A
yes
N/A
N/A
Panoramayes
N/A
N/A
N/A
N/A
Touch focusyes
N/A
yes
N/A
N/A
Resolution (second camera)
N/A
12.0 Mpx
N/A
8.0 Mpx8.0 Mpx
Resolution (third camera)
N/A
16.0 Mpx
N/A
2.0 Mpx5.0 Mpx
Lens aperture (second camera)
N/A
F/2.2
N/A
F/2.2F/2.2
Lens aperture (third camera)
N/A
F/2.2
N/A
F/2.4F/2.4
Focus adjustment
N/A
Automatic
N/A
AutomaticAutomatic
Optical zoom
N/A
2x
N/A
N/A
N/A
Video recording
N/A
N/A
yes
N/A
N/A
Maximum FPS at the highest resolution
N/A
N/A
30.0 fps
N/A
N/A
Primary sensor size
N/A
N/A
N/A
1/2"1/1.72"
Resolution (fourth camera)
N/A
N/A
N/A
2.0 Mpx2.0 Mpx
Lens aperture (fourth camera)
N/A
N/A
N/A
F/2.4F/2.4
Primary Field of View (FoV)
N/A
N/A
N/A
79.4 °79.8 °
Field of View (FoV) (second camera)
N/A
N/A
N/A
120.0 °119.0 °
Sensor size (second camera)
N/A
N/A
N/A
N/A
1/4"

Front camera

Primary resolution1.2 Mpx20.0 Mpx5.0 Mpx13.0 Mpx16.0 Mpx
Face detectionyesFace recognition
N/A
Face recognitionFace recognition
Lens aperture
N/A
F/2.0
N/A
F/2.0F/2.48
Primary sensor size
N/A
N/A
N/A
1/2"1/1.72"
Primary Field of View (FoV)
N/A
N/A
N/A
79.4 °79.8 °
Light source
N/A
N/A
N/A
N/A
Display flash

Dimensions

Height5.43 in6.2 in5.94 in6.23 in6.53 in
Width2.71 in2.94 in2.99 in2.96 in3.04 in
Depth0.35 in0.3 in0.33 in0.33 in0.35 in
Weight4.76 oz6.1 oz6.17 oz6.7 oz7.37 oz

Connectivity

Sim card sizeMicro-SIMNano-SIMNano-SIMNano SIMNano-SIM
DLNA certifiedyes
N/A
no
N/A
N/A
Bluetoothyesyesyes
N/A
yes
Bluetooth version4.05.04.24.25.0
NFCyesyesno
N/A
yes
Charging connectionHDMIUSBUSBUSBUSB
Headphone connection3.5 mm
N/A
3.5 mm3.5 mm3.5 mm
Type of USB connectorMicro-USBUSB Type-C
N/A
USB Type-CUSB Type-C
Dual sim support
N/A
yesyes
N/A
yes
Bluetooth profile
N/A
N/A
A2DP
N/A
  • HFP
  • HSP
Bluetooth codec
N/A
N/A
SBC
N/A
N/A
USB version
N/A
N/A
2.0
N/A
N/A
USB On-The-Go (OTG)
N/A
N/A
yes
N/A
N/A
Video output
N/A
N/A
No
N/A
N/A

Cellular

Wireless network (Wi-Fi)yes
N/A
yes
N/A
N/A
Data transmissionHSPA+
  • GPRS
  • EDGE
  • EV-DO
  • HSDPA
  • HSUPA
  • HSPA+
  • VoLTE
  • FDD-LTE
  • TDD-LTE
HSPA+
  • VoLTE
  • FDD-LTE
  • TDD-LTE
  • GPRS
  • EDGE
  • HSDPA
  • HSUPA
  • HSPA+
  • VoLTE
  • FDD-LTE
  • TDD-LTE
Navigation systemGPS
  • GPS
  • A-GPS
  • GLONASS
  • BeiDou
  • Galileo
GLONASS
  • GPS
  • A-GPS
  • GLONASS
  • BeiDou
  • GPS
  • A-GPS
  • GLONASS
  • BeiDou
  • Galileo
2G GSMyes
N/A
yes
N/A
N/A
GSM frequencies
  • 850 MHz
  • 900 MHz
  • 1800 MHz
  • 1900 MHz
N/A
  • 850 MHz
  • 900 MHz
  • 1800 MHz
  • 1900 MHz
  • 1900 MHz
  • 2100 MHz
  • 850 MHz
  • 900 MHz
  • 1900 MHz
  • 2100 MHz
  • 850 MHz
  • 900 MHz
4G LTEyes
N/A
yes
N/A
N/A
LTE frequencies
  • 800 MHz
  • 1800 MHz
  • 2600 MHz
N/A
  • 800 MHz
  • 900 MHz
  • 1800 MHz
  • 1900 MHz
  • 2100 MHz
  • 2600 MHz
  • 2300 MHz
  • 2500 MHz
N/A
N/A
UMTS frequences
N/A
  • 1700 MHz
  • 1900 MHz
  • 2100 MHz
  • 850 MHz
  • 900 MHz
  • 850 MHz
  • 900 MHz
  • 1900 MHz
  • 2100 MHz
  • 2100 MHz
  • 1900 MHz
  • 1700 MHz
  • 850 MHz
  • 900 MHz
  • 1700 MHz
  • 1900 MHz
  • 2100 MHz
  • 850 MHz
  • 900 MHz
Wireless networking standard
N/A
N/A
  • 802.11a
  • 802.11ac
  • 802.11b
  • 802.11g
  • 802.11n
N/A
N/A
3G UMTS
N/A
N/A
yes
N/A
N/A

Battery

Battery typeLithium ion
N/A
Lithium PolymerLithium PolymerLithium Polymer
Battery capacity2140.0 mAh3300.0 mAh4100.0 mAh4000.0 mAh5020.0 mAh
Standby time352.0 h
N/A
N/A
N/A
428.0 h
Talk time16.0 h
N/A
N/A
N/A
33.0 h
Wireless charging standard
N/A
  • WPC
  • Qi
N/A
N/A
N/A
Replaceable battery
N/A
N/A
no
N/A
N/A
Fast charging
N/A
N/A
no
N/A
N/A
Wireless charging
N/A
N/A
no
N/A
N/A

Often compared with Xiaomi MI 9

Often compared with Xiaomi Redmi Note 4

Often compared with Xiaomi Redmi Note 8

Often compared with Xiaomi Redmi Note 9 Pro