Comparison between:
- Xiaomi Redmi Note 7
- Xiaomi Mi 9
- Xiaomi Mi Play
- Xiaomi Redmi Note 6 Pro

Brand and model

Information about the brand, model and model alias (if any) of a specific device.

Xiaomi Redmi Note 7Xiaomi Mi 9Xiaomi Mi PlayXiaomi Redmi Note 6 Pro
Xiaomi Redmi Note 7
Prices
Xiaomi Mi 9
Prices
Xiaomi Mi Play
Prices
Xiaomi Redmi Note 6 Pro
Prices
Model aliasRedmi Note7
Red Rice Note 7
Red Rice Note7
Mi9-Redmi Note 6Pro

Design

Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.

Width75.21 mm
7.52 cm
0.25 ft
2.96 in
75 mm
7.5 cm
0.25 ft
2.95 in
71.89 mm
7.19 cm
0.24 ft
2.83 in
76.38 mm
7.64 cm
0.25 ft
3.01 in
Height159.21 mm
15.92 cm
0.52 ft
6.27 in
155 mm
15.5 cm
0.51 ft
6.1 in
147.76 mm
14.78 cm
0.48 ft
5.82 in
157.9 mm
15.79 cm
0.52 ft
6.22 in
Thickness8.1 mm
0.81 cm
0.03 ft
0.32 in
7.6 mm
0.76 cm
0.02 ft
0.3 in
7.8 mm
0.78 cm
0.03 ft
0.31 in
8.2 mm
0.82 cm
0.03 ft
0.32 in
Weight186 g
0.41 lbs
6.56 oz
-150 g
0.33 lbs
5.29 oz
181 g
0.4 lbs
6.38 oz
Volume96.99 cm³
5.89 in³
88.35 cm³
5.37 in³
82.86 cm³
5.03 in³
98.9 cm³
6.01 in³
ColorsBlue
Red
Black
Black
Blue
White
Gold
Black
Blue
Gold
Black
Blue
Rose-gold
Red
Body materialsAluminium alloy
Glass
Aluminium alloy
Glass
Metal
Glass
Aluminium alloy
Plastic

SIM card

The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.

SIM card typeNano-SIM
Nano-SIM / microSD
Nano-SIMNano-SIMNano-SIM
Nano-SIM / microSD
Number of SIM cards2222
Features-Dual SIM stand-by (Both cards are active. When one is busy, the other is not active)--

Networks

A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other.

GSMGSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
CDMACDMA 800 MHzCDMA 800 MHzCDMA 800 MHzCDMA 800 MHz
W-CDMAW-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
W-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 1700 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
-W-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
TD-SCDMATD-SCDMA 1900 MHz
TD-SCDMA 2000 MHz
TD-SCDMA 1900 MHz
TD-SCDMA 2000 MHz
TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
UMTS--UMTS 850 MHz
UMTS 900 MHz
UMTS 1900 MHz
UMTS 2100 MHz
-
LTELTE 850 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE-TDD 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE-TDD 2000 MHz (B34)
LTE 700 MHz Class 13
LTE 800 MHz
LTE 850 MHz
LTE 900 MHz
LTE 1700/2100 MHz
LTE 1800 MHz
LTE 1900 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE-TDD 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE 700 MHz (B12)
LTE 850 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE-TDD 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE 850 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE-TDD 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)

Mobile network technologies and bandwidth

Communication between devices within mobile networks is realized via various generations of network technologies, which provide different bandwidth.

Mobile network technologiesUMTS
EDGE
GPRS
HSPA+
LTE Cat 18
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 7
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE
EV-DO Rev. A
TD-SCDMA
TD-HSDPA

Operating system

Operating system is the system software, which manages and controls the functioning of the hardware components of the device.

Operating system (OS)MIUI V10 (Android 8.1 Oreo)MIUI (Android 9.0 Pie)MIUI V10.0 (Android 8.1 Oreo)MIUI V9.6 (Android 8.1 Oreo)
MIUI V10 (Android 8.1 Oreo)

System on Chip (SoC)

A system on a chip (SoC) includes into a single chip some of the main hardware components of the mobile device.

SoCQualcomm Snapdragon 660 MSM8976 PlusQualcomm Snapdragon 855MediaTek Helio P35 MT6765Qualcomm Snapdragon 636
Process technology14 nm7 nm12 nm14 nm
CPU4x 2.2 GHz Kryo 260, 4x 1.84 GHz Kryo 2601x 2.84 GHz Kryo 485, 3x 2.42 GHz Kryo 485, 4x 1.8 GHz Kryo 4854x 2.3 GHz ARM Cortex-A53, 4x 1.8 GHz ARM Cortex-A534x 1.8 GHz Kryo 260, 4x 1.6 GHz Kryo 260
CPU bits64 bit64 bit64 bit64 bit
Instruction setARMv8ARMv8ARMv8-AARMv8
CPU cores8888
CPU frequency2200 MHz2840 MHz2300 MHz1800 MHz
GPUQualcomm Adreno 512Qualcomm Adreno 640PowerVR GE8320Qualcomm Adreno 509
GPU frequency--680 MHz-
RAM capacity3 GB
4 GB
6 GB
6 GB
8 GB
4 GB
6 GB
3 GB
4 GB
RAM typeLPDDR4XLPDDR4XLPDDR4XLPDDR4X
RAM channelsDouble channelDouble channelDouble channelDouble channel
RAM frequency1866 MHz2133 MHz1600 MHz1333 MHz

Storage

Every mobile device has a built-in storage (internal memory) with a fixed capacity.

Storage32 GB
64 GB
128 GB
256 GB
64 GB32 GB
64 GB
eMMC 5.1-eMMC 5.1eMMC 5.0

Memory cards

Memory cards are used in mobile devices for expanding their external storage capacity.

TypesmicroSD
microSDHC
microSDXC
-microSD
microSDHC
microSDXC
microSD
microSDHC
microSDXC

Display

The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.

Type/technologyIPSSuper AMOLEDIPSIPS
Diagonal size6.3 in
160.02 mm
16 cm
6.4 in
162.56 mm
16.26 cm
5.84 in
148.34 mm
14.83 cm
6.26 in
159 mm
15.9 cm
Width2.64 in
67.06 mm
6.71 cm
2.74 in
69.59 mm
6.96 cm
2.5 in
63.5 mm
6.35 cm
2.68 in
68.07 mm
6.81 cm
Height5.72 in
145.29 mm
14.53 cm
5.78 in
146.91 mm
14.69 cm
5.28 in
134.06 mm
13.41 cm
5.66 in
143.7 mm
14.37 cm
Aspect ratio2.167:12.111:12.111:12.111:1
Resolution1080 x 2340 pixels1080 x 2280 pixels1080 x 2280 pixels1080 x 2280 pixels
Pixel density409 ppi
160 ppcm
394 ppi
154 ppcm
432 ppi
169 ppcm
403 ppi
158 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area81.63 %88.23 %80.4 %81.36 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Capacitive
Multi-touch
Scratch resistant
Corning Gorilla Glass 5
2.5D curved glass screen
LTPS (Low Temperature PolySilicon)
1500:1 contrast ratio
450 cd/m²
84% NTSC
Display manufacturer - Samsung
Corning Gorilla Glass
2.5D curved glass screen
Always-On Display
60000:1 contrast ratio
HDR10
2.5D curved glass screen
1500:1 contrast ratio
Corning Gorilla Glass
2.5D curved glass screen
1500:1 contrast ratio
450 cd/m²

Sensors

Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.

SensorsProximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Barometer
Fingerprint
Hall
Infrared face recognition sensor
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Hall
-In-display fingerprint sensor
Infrared camera
Step detector
Step counter
--

Primary camera

The primary camera of the mobile device is usually placed at its back and is used for taking photos and recording videos.

Sensor modelSamsung Bright GM1Sony IMX586 Exmor RS-Samsung S5K2L7
Sensor type-CMOS BSICMOSISOCELL
ISO100 - 3200100 - 3200--
Aperturef/1.8f/1.8f/2.2f/1.9
Focal length---3.94 mm
Flash typeDual LEDDual LEDDual LEDDual LED
Image resolution8000 x 6000 pixels
48 MP
8000 x 6000 pixels
48 MP
4032 x 3024 pixels
12.19 MP
4000 x 3000 pixels
12 MP
Video resolution1920 x 1080 pixels
2.07 MP
3840 x 2160 pixels
8.29 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS60 fps30 fps30 fps30 fps
FeaturesAutofocus
Continuous shooting
Digital zoom
Digital image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
RAW
Autofocus
Continuous shooting
Digital zoom
Optical zoom
Digital image stabilization
Optical image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
RAW
Autofocus
Continuous shooting
Digital zoom
Digital image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Autofocus
Continuous shooting
Digital zoom
Digital image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Sensor size - 1/2"
Pixel size - 1.6 μm (4-in-1 pixel binning)
Sensor type - ISOCELL PLUS
Phase detection with Dual Pixel
6-element lens
1080p @ 120 fps
720p @ 120 fps
Secondary rear camera - 5 MP
Sensor model - Samsung S5K5E8 (#2)
Sensor type - CMOS BSI (#2)
Sensor size - 2.9 x 2.15 mm (#2)
Pixel size - 1.12 μm (#2)
Aperture size - f/2.0 (#2)
Sensor size - 1/2"
Pixel size - 0.8 μm
Phase detection with Dual Pixel
4-axis OIS
Focal length (35 mm equivalent) - 21 mm
1080p @ 240 fps
720p @ 960 fps
Secondary rear camera - 12 MP (telephoto)
Aperture size - f/2.4 (#2)
TOF (Time Of Flight) 3D camera
Pixel size - 1.25 μm
Phase detection
5-element lens
Secondary rear camera - 2 MP
Pixel size - 1.4 μm
Phase detection with Dual Pixel
Focal length (35 mm equivalent) - 24 mm
Secondary rear camera - 5 MP
Sensor model - Samsung S5K5E8 (#2)
Sensor type - CMOS BSI (#2)
Sensor size - 2.9 x 2.15 mm (#2)
Pixel size - 1.12 μm (#2)
Aperture size - f/2.0 (#2)

Secondary camera

Secondary cameras are placed above the screen of the device and are usually used for video calls, gesture recognition, etc.

Sensor model---Samsung S5K3T1
Sensor type---ISOCELL
Aperturef/2.2f/2f/2.2f/2
Focal length3.86 mm--3.52 mm
Image resolution4160 x 3120 pixels
12.98 MP
5120 x 3840 pixels
19.66 MP
3264 x 2448 pixels
7.99 MP
5184 x 3880 pixels
20.11 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps30 fps
Face unlockPixel size - 1.8 μm
Focal length (35 mm equivalent) - 18 mm
Face unlockPixel size - 1.8 μm (4-in-1 pixel binning)
Face unlock
Secondary front camera - 2 MP
Sensor model - OmniVision OV02A10 (#2)
Pixel size - 1.75 μm (#2)

Audio

Information about the type of speakers and the audio technologies supported by the device.

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Smart PAHeadphone adapter--

Radio

The radio in a mobile device is a built-in FM radio receiver.

RadioNoNoYesYes

Tracking/Positioning

Information about the positioning and navigation technologies supported by the device.

Tracking/PositioningGPS
A-GPS
GLONASS
BeiDou
A-GPS
GPS (L1+L5)
GLONASS (L1)
BeiDou (B1)
Galileo (E1+E5a)
GPS
A-GPS
GLONASS
BeiDou
GPS
A-GPS
GLONASS
BeiDou

Wi-Fi

Wi-Fi is a technology that provides wireless data connections between various devices within a short range.

Wi-Fi802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
-2x2 MiMO--

Bluetooth

Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.

Version5.05.04.25.0
FeaturesA2DP
LE
A2DP
LE
A2DP
HID
A2DP
EDR
HID
LE

USB

The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.

Connector typeUSB Type-CUSB Type-CMicro USBMicro USB
Version2.02.02.02.0
FeaturesCharging
Host
Mass storage
On-The-Go
Charging
Host
Mass storage
On-The-Go
Charging
Host
Mass storage
On-The-Go
Charging
Host
Mass storage
On-The-Go

Headphone jack

The headphone jack is an audio phone connector, a.k.a. an audio jack. The most widely used one in mobile devices is the 3.5 mm headphone jack.

Headphone jackYesNoYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Infrared
Tethering
VoLTE
Computer sync
OTA sync
Tethering
DLNA
NFC
VoLTE
Computer sync
OTA sync
Tethering
VoLTE
Computer sync
OTA sync
Infrared
VoLTE

Browser

A web browser is a software application for accessing, fetching, displaying and navigating through information on the World Wide Web.

BrowserHTML
HTML5
CSS 3
HTML
HTML5
CSS 3
HTML
HTML5
CSS 3
HTML
HTML5
CSS 3

Audio file formats/codecs

Mobile devices support various audio file formats and codecs, which respectively store and code/decode digital audio data.

Audio file formats/codecsAAC
AAC+
AMR
AMR-WB
aptX
aptX HD
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC
AAC
AAC+
AMR
AMR-WB
aptX
aptX HD
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC
AAC
AAC+
AC3
AMR
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
AMR-WB
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV

Video file formats/codecs

Mobile devices support various video file formats and codecs, which respectively store and code/decode digital video data.

Video file formats/codecs3GPP
AVI
DivX
H.263
H.264
H.265
MKV
MP4
VC-1
Xvid
3GPP
AVI
DivX
H.263
H.264
H.265
MKV
MP4
VC-1
Xvid
3GPP
AVI
H.263
H.264
H.265
MKV
MP4
VC-1
VP8
VP9
Xvid
3GPP
AVI
DivX
H.263
H.264
H.265
MKV
QuickTime
MP4
VC-1
WebM
WMV
Xvid

Battery

The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.

Capacity4000 mAh3500 mAh3000 mAh4000 mAh
TypeLi-PolymerLi-PolymerLi-PolymerLi-Polymer
2G talk time23 h
1380 min
1 days
---
2G stand-by time251 h
15060 min
10.5 days
---
3G talk time23 h
1380 min
1 days
---
3G stand-by time251 h
15060 min
10.5 days
---
Charger output power5 V / 2 A-5 V / 2 A5 V / 2 A
Quick charge technologyQualcomm Quick Charge 4.0Qualcomm Quick Charge 4+-Qualcomm Quick Charge
FeaturesFast charging
Non-removable
Fast charging
Non-removable
Non-removableFast charging
Non-removable

Specific Absorption Rate (SAR)

The SAR rating shows the amount of electromagnetic radiation absorbed by the human body when using a mobile device, expressed in W/kg.

Head SAR (EU)---0.755 W/kg
Body SAR (EU)---1.476 W/kg
Head SAR (USA)---0.75 W/kg
Body SAR (USA)---1.14 W/kg

Additional features

Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.

Additional features---M1806E7TG - SAR (Specific Absorption Rate) EU: head - 0.755 W/kg; body - 1.476 W/kg
M1806E7TG - SAR (Specific Absorption Rate) US: head - 0.750 W/kg; body - 1.140 W/kg
M1806E7TH - SAR (Specific Absorption Rate) EU: head - 0.557 W/kg; body - 1.070 W/kg
M1806E7TH - SAR (Specific Absorption Rate) US: head - 1.180 W/kg; body - 1.190 W/kg
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