Comparison between:
- Xiaomi Redmi Note 4X
- Xiaomi Redmi Note 5 Pro SD636 India
- Xiaomi Redmi Note 6 Pro
- Xiaomi Redmi Note 7

Brand and model

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

Xiaomi Redmi Note 4XXiaomi Redmi Note 5 Pro SD636 IndiaXiaomi Redmi Note 6 ProXiaomi Redmi Note 7
Xiaomi Redmi Note 4X
Prices
Xiaomi Redmi Note 5 Pro SD636 India
Prices
Xiaomi Redmi Note 6 Pro
Prices
Xiaomi Redmi Note 7
Prices
Model aliasRedmi Note 4X Hatsune Miku Special Edition
Red Rice Note 4X
-Redmi Note 6ProRedmi Note7
Red Rice Note 7
Red Rice Note7

Design

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

Width76 mm
7.6 cm
0.25 ft
2.99 in
75.4 mm
7.54 cm
0.25 ft
2.97 in
76.38 mm
7.64 cm
0.25 ft
3.01 in
75.21 mm
7.52 cm
0.25 ft
2.96 in
Height151 mm
15.1 cm
0.5 ft
5.94 in
158.6 mm
15.86 cm
0.52 ft
6.24 in
157.9 mm
15.79 cm
0.52 ft
6.22 in
159.21 mm
15.92 cm
0.52 ft
6.27 in
Thickness8.45 mm
0.85 cm
0.03 ft
0.33 in
8.05 mm
0.81 cm
0.03 ft
0.32 in
8.2 mm
0.82 cm
0.03 ft
0.32 in
8.1 mm
0.81 cm
0.03 ft
0.32 in
Weight165 g
0.36 lbs
5.82 oz
181 g
0.4 lbs
6.38 oz
181 g
0.4 lbs
6.38 oz
186 g
0.41 lbs
6.56 oz
Volume96.97 cm³
5.89 in³
96.27 cm³
5.85 in³
98.9 cm³
6.01 in³
96.99 cm³
5.89 in³
ColorsPink
Green
Champagne
Black
Silver
Black
Gold
Blue
Rose-gold
Black
Blue
Rose-gold
Red
Blue
Red
Black
Body materialsAluminium alloy
Plastic
Aluminium alloyAluminium alloy
Plastic
Aluminium alloy
Glass

SIM card

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

SIM card typeMicro-SIM
Nano-SIM / microSD
Nano-SIM / microSD
Nano-SIM
Nano-SIM
Nano-SIM / microSD
Nano-SIM
Nano-SIM / microSD
Number of SIM cards2222

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 MHz-CDMA 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 1900 MHz
W-CDMA 2100 MHz
W-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 1900 MHz
W-CDMA 2100 MHz
TD-SCDMATD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
-TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
TD-SCDMA 1900 MHz
TD-SCDMA 2000 MHz
LTELTE 850 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 1800 MHz
LTE 2100 MHz
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
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)
LTE-TDD 2000 MHz (B34)

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 6
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 18
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 V8.2 (Android 6.0.1 Marshmallow)
MIUI V8.x (Android 7.0 Nougat)
MIUI V9
MIUI V10
MIUI V9.2 (Android 7.1.1 Nougat)
MIUI V9.5 (Android 8.1 Oreo)
MIUI V10.0 (Android 8.1 Oreo)
MIUI V9.6 (Android 8.1 Oreo)
MIUI V10 (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 625 MSM8953Qualcomm Snapdragon 636Qualcomm Snapdragon 636Qualcomm Snapdragon 660 MSM8976 Plus
Process technology14 nm14 nm14 nm14 nm
CPUARM Cortex-A534x 1.8 GHz Kryo 260, 4x 1.6 GHz Kryo 2604x 1.8 GHz Kryo 260, 4x 1.6 GHz Kryo 2604x 2.2 GHz Kryo 260, 4x 1.84 GHz Kryo 260
CPU bits64 bit64 bit64 bit64 bit
Instruction setARMv8ARMv8ARMv8ARMv8
CPU cores8888
CPU frequency2000 MHz1800 MHz1800 MHz2200 MHz
GPUQualcomm Adreno 506Qualcomm Adreno 509Qualcomm Adreno 509Qualcomm Adreno 512
GPU frequency650 MHz---
RAM capacity3 GB
4 GB
4 GB
6 GB
3 GB
4 GB
3 GB
4 GB
6 GB
RAM typeLPDDR3LPDDR4XLPDDR4XLPDDR4X
RAM channelsSingle channelDouble channelDouble channelDouble channel
RAM frequency933 MHz1333 MHz1333 MHz1866 MHz

Storage

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

Storage16 GB
32 GB
64 GB
64 GB32 GB
64 GB
32 GB
64 GB
eMMC 5.0eMMC 5.1eMMC 5.0eMMC 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 size5.5 in
139.7 mm
13.97 cm
5.99 in
152.15 mm
15.21 cm
6.26 in
159 mm
15.9 cm
6.3 in
160.02 mm
16 cm
Width2.7 in
68.49 mm
6.85 cm
2.68 in
68.04 mm
6.8 cm
2.68 in
68.07 mm
6.81 cm
2.64 in
67.06 mm
6.71 cm
Height4.79 in
121.76 mm
12.18 cm
5.36 in
136.08 mm
13.61 cm
5.66 in
143.7 mm
14.37 cm
5.72 in
145.29 mm
14.53 cm
Aspect ratio1.778:1
16:9
2:1
2:1 (18:9)
2.111:12.167:1
Resolution1080 x 1920 pixels1080 x 2160 pixels1080 x 2280 pixels1080 x 2340 pixels
Pixel density401 ppi
157 ppcm
403 ppi
158 ppcm
403 ppi
158 ppcm
409 ppi
160 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area72.9 %77.68 %81.36 %81.63 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Display manufacturer - Boe / Tianma
2.5D curved glass screen
1000:1 contrast ratio
450 cd/m²
72% NTSC
Corning Gorilla Glass
2.5D curved glass screen
1000:1 contrast ratio
450 cd/m²
84% NTSC
Corning Gorilla Glass
2.5D curved glass screen
1500:1 contrast ratio
450 cd/m²
Corning Gorilla Glass 5
2.5D curved glass screen
LTPS (Low Temperature PolySilicon)
1500:1 contrast ratio
450 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
Hall
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Hall
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Hall
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Fingerprint sensor model - Fingerprint Cards FPC1035 / Goodix---

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 modelSony IMX258 Exmor RSSony IMX486 Exmor RSSamsung S5K2L7Samsung Bright GM1
Sensor typeCMOSCMOSISOCELL-
Sensor size4.71 x 3.49 mm
0.23 in
---
Pixel size1.133 µm
0.001133 mm
---
Crop factor7.37---
ISO100 - 1600--100 - 3200
Aperturef/2f/2.2f/1.9f/1.8
Focal length3.57 mm
26.33 mm *(35 mm / full frame)
3.81 mm3.94 mm-
Flash typeDual LEDDual LEDDual LEDDual LED
Image resolution4160 x 3120 pixels
12.98 MP
4000 x 3000 pixels
12 MP
4000 x 3000 pixels
12 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
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps60 fps
FeaturesAutofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Autofocus
Continuous shooting
Digital zoom
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
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
Available also with Samsung S5K3L8 (ISOCELL)
Phase detection
5-element lens
720p @ 120 fps
Sensor size - 1/2.9"
Pixel size - 1.25 μm
Phase detection
Secondary rear camera - 5 MP
Pixel size - 1.12 μm (#2)
Aperture size - f/2.0 (#2)
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)
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)

Secondary camera

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

Sensor modelSamsung S5K5E8Sony IMX376 Exmor RSSamsung S5K3T1-
Sensor typeCMOS BSICMOS BSIISOCELL-
Sensor size2.9 x 2.15 mm
0.14 in
---
Pixel size1.119 µm
0.001119 mm
---
Crop factor11.99---
Aperturef/2f/2.2f/2f/2.2
Focal length2.64 mm
31.63 mm *(35 mm / full frame)
-3.52 mm3.86 mm
Flash type-LED--
Image resolution2592 x 1944 pixels
5.04 MP
5384 x 3752 pixels
20.2 MP
5184 x 3880 pixels
20.11 MP
4160 x 3120 pixels
12.98 MP
Video resolution1280 x 720 pixels
0.92 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
Wide-angle lens - 85°Sensor size - 1/2.78"
Pixel size - 1.0 μm
Face unlock
Pixel 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)
Face unlock

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
---Smart PA

Radio

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

RadioYesYesYesNo

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
BeiDou
GPS
A-GPS
GLONASS
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
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

Bluetooth

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

Version4.25.05.05.0
FeaturesA2DP
HID
LE
A2DP
EDR
HID
LE
A2DP
EDR
HID
LE
A2DP
LE

USB

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

Connector typeMicro USBMicro USBMicro 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
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 jackYesYesYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Infrared
Tethering
VoLTE
Computer sync
OTA sync
Infrared
VoLTE
Computer sync
OTA sync
Infrared
VoLTE
Computer sync
OTA sync
Infrared
Tethering
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
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
AMR-WB
aptX
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
H.263
H.264
H.265
MKV
QuickTime
VC-1
Xvid
3GPP
AVI
DivX
H.263
H.264
H.265
MKV
QuickTime
MP4
WebM
WMV
Xvid
3GPP
AVI
DivX
H.263
H.264
H.265
MKV
QuickTime
MP4
VC-1
WebM
WMV
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.

Capacity4100 mAh4000 mAh4000 mAh4000 mAh
TypeLi-PolymerLi-PolymerLi-PolymerLi-Polymer
2G talk time18 h
1080 min
0.8 days
--23 h
1380 min
1 days
2G stand-by time264 h
15840 min
11 days
--251 h
15060 min
10.5 days
3G talk time18 h
1080 min
0.8 days
--23 h
1380 min
1 days
3G stand-by time264 h
15840 min
11 days
--251 h
15060 min
10.5 days
Charger output power5 V / 2 A5 V / 2 A5 V / 2 A5 V / 2 A
Quick charge technology-Qualcomm Quick Charge 2.0Qualcomm Quick ChargeQualcomm Quick Charge 4.0
FeaturesNon-removableFast charging
Non-removable
Fast charging
Non-removable
Fast charging
Non-removable
Battery model: BN43---

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)0.724 W/kg-0.755 W/kg-
Body SAR (EU)0.674 W/kg-1.476 W/kg-
Head SAR (USA)0.85 W/kg1.188 W/kg0.75 W/kg-
Body SAR (USA)0.69 W/kg0.334 W/kg1.14 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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