Comparison between:
- Xiaomi Redmi Note 7
- Xiaomi Redmi 8
- Xiaomi Redmi 7
- Xiaomi Redmi Note 8T

Brand and model

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

Xiaomi Redmi Note 7Xiaomi Redmi 8Xiaomi Redmi 7Xiaomi Redmi Note 8T
Xiaomi Redmi Note 7
Prices
Xiaomi Redmi 8
Prices
Xiaomi Redmi 7
Prices
Xiaomi Redmi Note 8T
Prices
Model aliasRedmi Note7
Red Rice Note 7
Red Rice Note7
Redmi8
Red Rice 8
Red Rice8
M1908C3IC
MZB8257IN; M1908C3II
M1908C3IG
M1908C3IH
Redmi7
Red Rice 7
Red Rice7
Redmi Note8T
Red Rice Note 8T
Red Rice Note8 T
M1908C3JH
M1908C3JG
M1908C3JI

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
75.41 mm
7.54 cm
0.25 ft
2.97 in
75.58 mm
7.56 cm
0.25 ft
2.98 in
75.4 mm
7.54 cm
0.25 ft
2.97 in
Height159.21 mm
15.92 cm
0.52 ft
6.27 in
156.48 mm
15.65 cm
0.51 ft
6.16 in
158.73 mm
15.87 cm
0.52 ft
6.25 in
161.15 mm
16.12 cm
0.53 ft
6.34 in
Thickness8.1 mm
0.81 cm
0.03 ft
0.32 in
9.4 mm
0.94 cm
0.03 ft
0.37 in
8.47 mm
0.85 cm
0.03 ft
0.33 in
8.6 mm
0.86 cm
0.03 ft
0.34 in
Weight186 g
0.41 lbs
6.56 oz
188 g
0.41 lbs
6.63 oz
180 g
0.4 lbs
6.35 oz
199 g
0.44 lbs
7.05 oz
Volume96.99 cm³
5.89 in³
110.92 cm³
6.74 in³
101.61 cm³
6.17 in³
104.5 cm³
6.35 in³
ColorsBlue
Red
Black
Onyx Black
Ruby Red
Sapphire Blue
Red
Black
Blue
Neptune Blue
Moonlight White
Space Black
Body materialsGlass
Plastic
PlasticPlasticGlass
Plastic
Certification---IP52

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)Dual SIM stand-by (Both cards are active. When one is busy, the other is not active)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 (B5)
GSM 900 MHz (B8)
GSM 1800 MHz (B3)
GSM 1900 MHz (B2)
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
GSM 850 MHz (B5)
GSM 900 MHz (B8)
GSM 1800 MHz (B3)
GSM 1900 MHz (B2)
CDMACDMA 800 MHzCDMA 800 MHz (BC0)
CDMA 1900 MHz (BC1)
CDMA 800 MHzCDMA 800 MHz (BC0)
W-CDMAW-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
W-CDMA 850 MHz (B5)
W-CDMA 900 MHz (B8)
W-CDMA 1900 MHz (B2)
W-CDMA 2100 MHz (B1)
W-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
W-CDMA 850 MHz (B5)
W-CDMA 900 MHz (B8)
W-CDMA 2100 MHz (B1)
TD-SCDMATD-SCDMA 1900 MHz
TD-SCDMA 2000 MHz
TD-SCDMA 2000 MHzTD-SCDMA 1900 MHz
TD-SCDMA 2000 MHz
TD-SCDMA 1900 MHz
TD-SCDMA 2000 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-FDD 850 MHz (B5)
LTE-FDD 900 MHz (B8)
LTE-FDD 1800 MHz (B3)
LTE-FDD 2100 MHz (B1)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 1900 MHz (B39)
LTE-TDD 2000 MHz (B34)
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-FDD 850 MHz (B5)
LTE-FDD 900 MHz (B8)
LTE-FDD 1800 MHz (B3)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
LTE-TDD 1900 MHz (B39)
LTE-TDD 2000 MHz (B34)
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
UMTS
EDGE
GPRS
HSPA+
LTE
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 12
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
---3CA
256-QAM
4x4 MIMO

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 V10.2 (Android 9.0 Pie)MIUI 10 (Android 9.0 Pie)MIUI V10 (Android 9.0 Pie)MIUI V10 (Android 9.0 Pie)

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 439Qualcomm Snapdragon 632Qualcomm Snapdragon 665
Process technology14 nm12 nm14 nm11 nm
CPU4x 2.2 GHz Kryo 260, 4x 1.84 GHz Kryo 2604x 1.95 GHz ARM Cortex-A53, 4x 1.45 GHz ARM Cortex-A534x 1.8 GHz Kryo 250, 4x 1.8 GHz Kryo 2504x 2.0 GHz Kryo 260, 4x 1.8 GHz Kryo 260
CPU bits64 bit64 bit64 bit64 bit
Instruction setARMv8ARMv8ARMv8ARMv8
CPU cores8888
CPU frequency2200 MHz1950 MHz1800 MHz2000 MHz
GPUQualcomm Adreno 512Qualcomm Adreno 505Qualcomm Adreno 506Qualcomm Adreno 610
GPU frequency-650 MHz--
RAM capacity3 GB
4 GB
6 GB
3 GB
4 GB
2 GB
3 GB
4 GB
4 GB
6 GB
RAM typeLPDDR4XLPDDR3LPDDR3LPDDR4X
RAM channelsDouble channelSingle channelSingle channelDouble channel
RAM frequency1866 MHz933 MHz933 MHz1866 MHz

Storage

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

Storage32 GB
64 GB
128 GB
32 GB
64 GB
16 GB
32 GB
64 GB
64 GB
128 GB
eMMC 5.1eMMC 5.1eMMC 5.1-

Memory cards

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

TypesmicroSD
microSDHC
microSDXC
microSD
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/technologyIPSIPSIPSIPS
Diagonal size6.3 in
160.02 mm
16 cm
6.22 in
157.99 mm
15.8 cm
6.26 in
159 mm
15.9 cm
6.3 in
160.02 mm
16 cm
Width2.64 in
67.06 mm
6.71 cm
2.66 in
67.63 mm
6.76 cm
2.68 in
68.07 mm
6.81 cm
2.64 in
67.06 mm
6.71 cm
Height5.72 in
145.29 mm
14.53 cm
5.62 in
142.78 mm
14.28 cm
5.66 in
143.7 mm
14.37 cm
5.72 in
145.29 mm
14.53 cm
Aspect ratio2.167:12.111:12.111:12.167:1
Resolution1080 x 2340 pixels720 x 1520 pixels720 x 1520 pixels1080 x 2340 pixels
Pixel density409 ppi
160 ppcm
270 ppi
106 ppcm
269 ppi
105 ppcm
409 ppi
160 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area81.63 %82.1 %81.79 %80.44 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Scratch resistant
Display manufacturer - Tianma
Corning Gorilla Glass 5
2.5D curved glass screen
LTPS (Low Temperature PolySilicon)
1500:1 contrast ratio
450 cd/m²
84% NTSC
In-cell
2.5D curved glass screen
Corning Gorilla Glass 5
1500:1
70.8% NTSC
Corning Gorilla Glass 5
2.5D curved glass screen
LTPS (Low Temperature PolySilicon)
1500:1 contrast ratio
84% NTSC
2.5D curved glass screen
Corning Gorilla Glass 5
TÜV Rheinland certification for low blue light emissions
1500:1 contrast ratio
500 cd/m²
84% NTSC

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
Fingerprint
Proximity
Light
Accelerometer
Compass
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Fingerprint sensor model - Fingerprint Cards FPC1511---

Rear camera

The primary camera of the mobile device is usually placed on its back and can be combined with one or more additional cameras.

Sensor modelSamsung S5KGM1Sony IMX363 Exmor RS-Samsung S5KGM1
Sensor type-CMOSCMOSISOCELL
Sensor format1/2"1/2.55"-1/2.25"
Pixel size0.8 µm
0.000800 mm
1.4 µm
0.001400 mm
1.25 µm
0.001250 mm
0.8 µm
0.000800 mm
ISO100 - 3200---
Aperturef/1.79f/1.8f/2.2f/1.79
Focal length and 35 mm equivalent4.74 mm--13 mm *(35 mm / full frame)
Field of view---79.4 °
Number of lenses66-6
Flash typeDual LEDDual LEDDual LEDLED
Image resolution8000 x 6000 pixels
48 MP
4032 x 3024 pixels
12.19 MP
4032 x 3024 pixels
12.19 MP
8000 x 6000 pixels
48 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
3840 x 2160 pixels
8.29 MP
Video FPS60 fps60 fps60 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
Phase detection autofocus (PDAF)
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
Phase detection autofocus (PDAF)
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
RAW
Phase detection autofocus (PDAF)
Autofocus
Digital zoom
Digital image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Macro mode
Phase detection autofocus (PDAF)
Pixel size - 1.6 μm (4-in-1 pixel binning)
Sensor type - ISOCELL PLUS
Phase detection with Dual Pixel
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)
Phase detection with Dual Pixel
Secondary rear camera - 2 MP (depth-sensing)
720p @ 120 fps
Secondary rear camera - 2 MP
Pixel size - 1.6 μm (4-in-1 pixel binning)
Sensor type - ISOCELL PLUS
Super Phase Detection
1080p @ 120 fps
720p @ 240 fps
Secondary rear camera - 8 MP (ultra-wide)
Sensor size - 1/4" (#2)
Pixel size - 1.12 μm (#2)
Aperture size - f/2.2 (#2)
Angle of view - 120° (#2)
Third rear camera - 2MP (depth-sensing)
Sensor size - 1/5" (#3)
Pixel size - 1.75 μm (#3)
Aperture size - f/2.4 (#3)
Fourth rear camera - 2MP (macro)
Sensor size - 1/5" (#4)
Pixel size - 1.75 μm (#4)
Aperture size - f/2.4 (#4)

Front camera

Modern smartphones have one or more front cameras and their positioning has led to various design concepts – pop-up camera, rotating camera, notch, punch hole, under-display camera, etc.

Sensor modelOmniVision OV13855--OmniVision OV13855
Sensor typePureCel--PureCel
Sensor size4.75 x 3.54 mm
0.23 in
--4.75 x 3.54 mm
0.23 in
Pixel size1.124 µm
0.001124 mm
1.12 µm
0.001120 mm
-1.12 µm
0.001120 mm
Crop factor7.31--7.31
Aperturef/2f/2-f/2
Focal length and 35 mm equivalent3.86 mm
28.21 mm *(35 mm / full frame)
--3.86 mm
28.21 mm *(35 mm / full frame)
Image resolution4224 x 3136 pixels
13.25 MP
3264 x 2448 pixels
7.99 MP
3264 x 2448 pixels
7.99 MP
4224 x 3136 pixels
13.25 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
FeaturesFace unlockFace unlockFace unlockFace unlock

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Stereo speakers
Smart PASmart PASmart PASmart PA
Stereo speakers model - 1217SLS

Radio

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

RadioYesYesYesYes

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
BeiDou
GPS
A-GPS
BeiDou
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
802.11b
802.11g
802.11n
Wi-Fi Hotspot
Wi-Fi Direct
802.11b
802.11g
802.11n
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

Bluetooth

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

Version5.04.24.25.0
FeaturesA2DP
LE
A2DP
LE
A2DP
LE
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 USBUSB Type-C
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
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 jackYesYesYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Infrared
Tethering
VoLTE
Computer sync
OTA sync
Tethering
VoLTE
Computer sync
OTA sync
Infrared
Tethering
VoLTE
Computer sync
OTA sync
Infrared
Tethering
NFC
VoLTE
ViLTE
---NXP-SN100T chip for NFC

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
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
AMR-WB
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
AMR-WB
aptX
aptX HD
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC

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
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

Battery

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

Capacity4000 mAh5000 mAh4000 mAh4000 mAh
TypeLi-PolymerLi-PolymerLi-PolymerLi-Ion
2G talk time23 h
1380 min
1 days
-27 h
1620 min
1.1 days
-
2G stand-by time251 h
15060 min
10.5 days
-400 h
24000 min
16.7 days
-
3G talk time23 h
1380 min
1 days
-27 h
1620 min
1.1 days
-
3G stand-by time251 h
15060 min
10.5 days
-400 h
24000 min
16.7 days
-
Charger output power5 V / 2 A5 V / 2 A
9 V / 2 A
5 V / 2 A9 V / 2 A
Quick charge technologyQualcomm Quick Charge 4.0--Qualcomm Quick Charge 3.0
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)0.591 W/kg0.231 W/kg0.577 W/kg0.19 W/kg
Body SAR (EU)1.274 W/kg1.48 W/kg1.251 W/kg1.98 W/kg
Head SAR (USA)1.19 W/kg0.478 W/kg1.1 W/kg0.26 W/kg
Body SAR (USA)1.18 W/kg1.074 W/kg1.02 W/kg1.09 W/kg

Additional features

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

Additional features-M1908C3II - SAR (Specific Absorption Rate) India: head - 0.339 W/kg; body - 1.000 W/kg
P2i nano-coating
M1810F6LI - SAR (Specific Absorption Rate) India: head - 1.031 W/kg; body - 0.573 W/kg
P2i nano-coating
Splash-resistant nano-coating
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