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Compare 5 products

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Nextbit Robin Mobile Phone
Nextbit Robin
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Samsung Galaxy Z Fold2 5G Mobile Phone
Samsung Galaxy Z Fold2 5G
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Xiaomi Redmi Note 4 Mobile Phone
Xiaomi Redmi Note 4
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Xiaomi Redmi Note 9 Mobile Phone
Xiaomi Redmi Note 9
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Xiaomi Redmi Note 9 Pro Mobile Phone
Xiaomi Redmi Note 9 Pro

Hardware

CPU clock speed2.0 GHz3.09 GHz2.1 GHz2.0 GHz2.3 GHz
CPU cores6-core8-core10-core8-core8-core
CPU modelQualcomm Snapdragon 808 MSM8992
N/A
MediaTek Helio X MT6797MediaTek Helio G85Qualcomm Snapdragon 720G
GPU modelQualcomm Adreno 418
N/A
ARM Mali-T880 MP4
N/A
N/A
RAM memory3 GB12 GB
  • 2 GB
  • 3 GB
  • 4 GB
  • 3 GB
  • 4 GB
6 GB
Operating system
N/A
Android 10Android 6.0Android 10Android 10

Display

Screen size5.2 in7.6 in5.5 in6.53 in6.67 in
Touchscreenyes
N/A
yes
N/A
N/A
Number of colors16.7M16.7M16.7M
N/A
16.7M
Panel typeLCDOLEDLCDLCD
N/A
Resolution1920 x 1080 px2208 x 1768 px1920 x 1080 px2340 x 1080 px2400 x 1080 px
TechnologyIPS TFTInfinity Flex Dynamic AMOLED 2XIPS TFT
N/A
IPS
Pixel density424.0 ppi373.0 ppi401.0 ppi
N/A
N/A
Screen materialCorning Gorilla Glass 4.0
  • Samsung Ultra Thin Glass
  • Corning Gorilla Glass Victus
Corning Gorilla Glass
Corning Gorilla Glass 5
Corning Gorilla Glass 5.0
HDRnoyesno
N/A
N/A
Multi touchyes
N/A
N/A
N/A
N/A
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 Mpx12.0 Mpx13.0 Mpx48.0 Mpx64.0 Mpx
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 Image Stabilizationyes
N/A
N/A
N/A
N/A
Digital zoomyes
N/A
N/A
N/A
N/A
Face detectionyes
N/A
N/A
Face recognitionFace recognition
Geo-taggingyes
N/A
yes
N/A
N/A
HDR Captureyes
N/A
N/A
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
12.0 Mpx
N/A
2.0 Mpx5.0 Mpx
Lens aperture (second camera)
N/A
F/1.8
N/A
F/2.2F/2.2
Lens aperture (third camera)
N/A
F/2.4
N/A
F/2.4F/2.4
Primary Field of View (FoV)
N/A
123.0 °
N/A
79.4 °79.8 °
Field of View (FoV) (second camera)
N/A
83.0 °
N/A
118.0 °119.0 °
Field of View (FoV) (third camera)
N/A
45.0 °
N/A
N/A
N/A
Focus adjustment
N/A
Automatic
N/A
AutomaticAutomatic
Primary lens aperture
N/A
N/A
2.0 f
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"
Sensor size (second camera)
N/A
N/A
N/A
1/4"1/4"
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

Front camera

Primary resolution5.0 Mpx10.0 Mpx5.0 Mpx13.0 Mpx16.0 Mpx
Resolution (second camera)
N/A
12.0 Mpx
N/A
8.0 Mpx8.0 Mpx
Primary Field of View (FoV)
N/A
123.0 °
N/A
79.4 °79.8 °
Field of View (FoV) (second camera)
N/A
83.0 °
N/A
118.0 °119.0 °
Lens aperture
N/A
F/2.2
N/A
F/2.25F/2.48
Lens aperture (Second Camera)
N/A
F/2.2
N/A
N/A
N/A
Primary sensor size
N/A
N/A
N/A
1/2"1/1.72"
Face detectionyes
N/A
N/A
Face recognitionFace recognition
Light source
N/A
N/A
N/A
Display flashDisplay flash

Storage

Internal storage32 GB
  • 256 GB
  • 512 GB
  • 16 GB
  • 32 GB
  • 64 GB
  • 128 GB
  • 64 GB
  • 128 GB
  • 64 GB
Types of memory card supportedNo memory slot
N/A
  • microSD
  • microSDHC
  • microSDXC
N/A
N/A
Memory card reader
N/A
N/A
yes
N/A
N/A
Maximum card storage
N/A
N/A
128GB
N/A
N/A

Dimensions

Height5.87 in6.27 in5.94 in6.39 in6.53 in
Width2.83 in2.68 in2.99 in3.04 in3.04 in
Depth0.28 in0.66 in0.33 in0.35 in0.35 in
Weight5.29 oz9.95 oz6.17 oz7.02 oz7.37 oz

Connectivity

Dual sim supportno
N/A
yesyesyes
Sim card sizeNano-SIM
  • Nano SIM
  • Electronic SIM card
Nano-SIMNano SIMNano-SIM
Bluetoothyes
N/A
yesyesyes
Bluetooth version4.0
N/A
4.25.05.0
NFCyes
N/A
no
N/A
yes
Charging connectionUSB
N/A
USBUSBUSB
Headphone connection3.5 mm
N/A
3.5 mm3.5 mm3.5 mm
Type of USB connectorUSB Type-C
N/A
N/A
USB Type-CUSB Type-C
DLNA certified
N/A
N/A
no
N/A
N/A
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
Wireless networking standard
  • 802.11a
  • 802.11ac
  • 802.11b
  • 802.11g
  • 802.11n
N/A
  • 802.11a
  • 802.11ac
  • 802.11b
  • 802.11g
  • 802.11n
N/A
N/A
Data transmissionHSPA+
  • GPRS
  • EDGE
  • HSDPA
  • HSUPA
  • HSPA+
  • FDD-LTE
  • TDD-LTE
  • Gigabit LTE
  • LAA
  • 5G NR
HSPA+
  • GPRS
  • EDGE
  • HSDPA
  • HSUPA
  • HSPA+
  • VoLTE
  • FDD-LTE
  • TDD-LTE
  • GPRS
  • EDGE
  • HSDPA
  • HSUPA
  • HSPA+
  • VoLTE
  • FDD-LTE
  • TDD-LTE
Navigation systemGPS
  • GPS
  • GLONASS
  • BeiDou
  • Galileo
GLONASS
  • GPS
  • A-GPS
  • GLONASS
  • BeiDou
  • Galileo
  • 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
3G UMTSyes
N/A
yes
N/A
N/A
UMTS frequences
  • 850 MHz
  • 900 MHz
  • 1800 MHz
  • 1900 MHz
  • 2100 MHz
N/A
  • 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
CDMA frequences
  • 800 MHz
  • 1900 MHz
N/A
N/A
N/A
N/A
4G LTEyes
N/A
yes
N/A
N/A
LTE frequencies
  • 700 MHz
  • 800 MHz
  • 850 MHz
  • 900 MHz
  • 1700 MHz
  • 1800 MHz
  • 1900 MHz
  • 2100 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
Mobile hotspotyes
N/A
N/A
N/A
N/A

Battery

Battery typeLithium ion
N/A
Lithium PolymerLithium PolymerLithium Polymer
Battery capacity2680.0 mAh4500.0 mAh4100.0 mAh5020.0 mAh5020.0 mAh
Fast chargingyes
N/A
no
N/A
N/A
Talk time
N/A
35.0 h
N/A
33.0 h33.0 h
Wireless charging
N/A
yesno
N/A
N/A
Wireless charging standard
N/A
  • WPC
  • PMA
  • Qi
  • Fast Wireless Charging
  • Wireless PowerShare
N/A
N/A
N/A
Replaceable battery
N/A
N/A
no
N/A
N/A
Standby time
N/A
N/A
N/A
N/A
428.0 h

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