Comparison between:
- Xiaomi Redmi Note 6 Pro
- Xiaomi Redmi Note 5 SD636 China
- Xiaomi Mi A1

Brand and model

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

Xiaomi Redmi Note 6 ProXiaomi Redmi Note 5 SD636 ChinaXiaomi Mi A1
Xiaomi Redmi Note 6 Pro
Prices
Xiaomi Redmi Note 5 SD636 China
Prices
Xiaomi Mi A1
Prices
Model aliasRedmi Note 6ProRedmi Note 5 AI Dual Camera-

Design

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

Width76.38 mm
7.638 cm
0.251 ft
3.007 in
75.4 mm
7.54 cm
0.247 ft
2.969 in
75.8 mm
7.58 cm
0.249 ft
2.984 in
Height157.9 mm
15.79 cm
0.518 ft
6.217 in
158.6 mm
15.86 cm
0.52 ft
6.244 in
155.4 mm
15.54 cm
0.51 ft
6.118 in
Thickness8.2 mm
0.82 cm
0.027 ft
0.323 in
8.05 mm
0.805 cm
0.026 ft
0.317 in
7.3 mm
0.73 cm
0.024 ft
0.287 in
Weight181 g
0.4 lbs
6.38 oz
181 g
0.4 lbs
6.38 oz
168 g
0.37 lbs
5.93 oz
Volume98.9 cm³
6.01 in³
96.27 cm³
5.85 in³
85.99 cm³
5.22 in³
ColorsBlack
Blue
Rose-gold
Red
Black
Gold
Blue
Rose-gold
Gold
Black
Rose-gold
Red
Body materialsAluminium alloy
Plastic
Aluminium alloyMetal

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-SIM / microSD
Nano-SIM
Nano-SIM / microSD
Nano-SIM
Number of SIM cards222

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
CDMACDMA 800 MHzCDMA 800 MHz-
W-CDMAW-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 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 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 (B28) (M1806E7TH)
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 800 MHz
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
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 6

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 V9.6 (Android 8.1 Oreo)
MIUI V10 (Android 8.1 Oreo)
MIUI (Android 9.0 Pie)
MIUI V9.2 (Android 8.0 Oreo)
MIUI (Android 9.0 Pie)
Android 7.1.2 Nougat
Android 8.0 Oreo
Android 8.1 Oreo
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 636Qualcomm Snapdragon 636Qualcomm Snapdragon 625 MSM8953
Process technology14 nm14 nm14 nm
CPU4x 1.8 GHz Kryo 260, 4x 1.6 GHz Kryo 2604x 1.8 GHz Kryo 260, 4x 1.6 GHz Kryo 260ARM Cortex-A53
CPU bits64 bit64 bit64 bit
Instruction setARMv8ARMv8ARMv8
CPU cores888
CPU frequency1800 MHz1800 MHz2000 MHz
GPUQualcomm Adreno 509Qualcomm Adreno 509Qualcomm Adreno 506
GPU frequency--650 MHz
RAM capacity3 GB
4 GB
6 GB
3 GB
4 GB
6 GB
4 GB
RAM typeLPDDR4XLPDDR4XLPDDR3
RAM channelsDouble channelDouble channelSingle channel
RAM frequency1333 MHz1333 MHz933 MHz

Storage

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

Storage32 GB
64 GB
32 GB
64 GB
128 GB
64 GB
eMMC 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

Display

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

Type/technologyIPSIPSIPS
Diagonal size6.26 in
159 mm
15.9 cm
5.99 in
152.15 mm
15.21 cm
5.5 in
139.7 mm
13.97 cm
Width2.68 in
68.07 mm
6.81 cm
2.68 in
68.04 mm
6.8 cm
2.7 in
68.49 mm
6.85 cm
Height5.66 in
143.7 mm
14.37 cm
5.36 in
136.08 mm
13.61 cm
4.79 in
121.76 mm
12.18 cm
Aspect ratio2.111:12:1
2:1 (18:9)
1.778:1
16:9
Resolution1080 x 2280 pixels1080 x 2160 pixels1080 x 1920 pixels
Pixel density403 ppi
158 ppcm
403 ppi
158 ppcm
401 ppi
157 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area81.36 %77.68 %71.02 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Corning Gorilla Glass
2.5D curved glass screen
1500:1 contrast ratio
450 cd/m²
Corning Gorilla Glass
2.5D curved glass screen
1000:1 contrast ratio
450 cd/m²
84% NTSC
Display manufacturer - Tianma
Corning Gorilla Glass 3
2.5D curved glass screen
LTPS (Low Temperature PolySilicon)
1000:1 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
Hall
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Hall
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Hall
--Fingerprint sensor model - Fingerprint Cards FPC1035

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 S5K2L7Samsung S5K2L7OmniVision OV12A10
Sensor typeISOCELLISOCELLPureCel
Sensor size--5.11 x 3.84 mm
0.25 in
Sensor format1/2.56"1/2.56"-
Pixel size1.4 µm
0.001400 mm
1.4 µm
0.001400 mm
1.277 µm
0.001277 mm
Crop factor--6.77
ISO--100 - 3200
Aperturef/1.9f/1.9f/2.2
Focal length and 35 mm equivalent3.94 mm
24 mm *(35 mm / full frame)
3.81 mm3.81 mm
25.81 mm *(35 mm / full frame)
Number of lenses--5
Flash typeDual LEDDual LEDDual LED
Image resolution4000 x 3000 pixels
12 MP
4000 x 3000 pixels
12 MP
4000 x 3000 pixels
12 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
3840 x 2160 pixels
8.29 MP
Video 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
Phase detection autofocus (PDAF)
Autofocus
Continuous shooting
Digital zoom
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
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Phase detection autofocus (PDAF)
Phase detection with Dual Pixel
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 - 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 type - PureCel Plus
720p @ 120 fps
Secondary rear camera - 12 MP (telephoto)
Sensor model - OmniVision OV13880 (#2)
Pixel size - 1.0 μm (#2)
Aperture size - f/2.6 (#2)
5-element lens (#2)
Focal length (35 mm equivalent) - 50 mm (#2)

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 modelSamsung S5K3T1OmniVision OV13855Samsung S5K5E8
Sensor typeISOCELLPureCelCMOS BSI
Sensor size-4.75 x 3.54 mm
0.23 in
2.9 x 2.15 mm
0.14 in
Pixel size0.9 µm
0.000900 mm
1.142 µm
0.001142 mm
1.119 µm
0.001119 mm
Crop factor-7.3111.99
Aperturef/2-f/2
Focal length and 35 mm equivalent3.52 mm-3 mm
35.96 mm *(35 mm / full frame)
Auxiliary light-LED-
Image resolution5184 x 3880 pixels
20.11 MP
4160 x 3120 pixels
12.98 MP
2592 x 1944 pixels
5.04 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps
FeaturesFace unlockFace unlock-
Pixel size - 1.8 μm (4-in-1 pixel binning)
Sensor model - OmniVision OV02A10 (#2)
Pixel size - 1.75 μm (#2)
Secondary front camera - 2 MP
--

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
--Dirac HD Sound
DHS Audio Calibration Algorithm

Radio

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

RadioYesYesYes

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

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

Bluetooth

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

Version5.05.04.2
FeaturesA2DP
EDR
HID
LE
A2DP
EDR
HID
LE
A2DP
HID

USB

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

Connector typeMicro USBMicro USBUSB Type-C
Version2.02.02.0
FeaturesCharging
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 jackYesYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer 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

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+
AC3
AMR
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
QuickTime
MP4
VC-1
WebM
WMV
Xvid
3GPP
AVI
DivX
H.263
H.264
H.265
MKV
QuickTime
MP4
VC-1
WebM
WMV
Xvid
3GPP
AVI
H.263
H.264
MKV
MP4
VC-1
VP8
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 mAh4000 mAh3080 mAh
TypeLi-PolymerLi-PolymerLi-Polymer
2G talk time-23 h
1380 min
1 days
-
3G talk time-23 h
1380 min
1 days
-
Charger output power5 V / 2 A5 V / 2 A5 V / 2 A
Quick charge technologyQualcomm Quick ChargeQualcomm Quick Charge 2.0-
FeaturesFast charging
Non-removable
Fast charging
Non-removable
Fast charging
Non-removable
--Battery model: BN31

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/kg1.29 W/kg1.75 W/kg
Body SAR (EU)1.476 W/kg1.24 W/kg0.76 W/kg
Head SAR (USA)0.75 W/kg1.03 W/kg1.26 W/kg
Body SAR (USA)1.14 W/kg0.79 W/kg0.17 W/kg

Additional features

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

Additional featuresM1806E7TG - 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
--
 Xiaomi Redmi Note 6 ProXiaomi Redmi Note 5 SD636 ChinaXiaomi Mi A1