Comparison between:
- Realme X Master Edition
- Xiaomi Redmi K20 Pro
- Xiaomi Redmi Note 9 Pro
- POCO X2

Brand and model

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

Realme X Master EditionXiaomi Redmi K20 ProXiaomi Redmi Note 9 ProPOCO X2
Realme X Master EditionXiaomi Redmi K20 Pro
Prices
Xiaomi Redmi Note 9 Pro
Prices
POCO X2
Prices
Model alias-Redmi K20ProRedmi Note9 Pro
Red Rice Note 9 Pro
Red Rice Note9 Pro
MZB8744IN

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
0.249 ft
2.992 in
74.3 mm
7.43 cm
0.244 ft
2.925 in
76.68 mm
7.668 cm
0.252 ft
3.019 in
76.6 mm
7.66 cm
0.251 ft
3.016 in
Height161.2 mm
16.12 cm
0.529 ft
6.346 in
156.7 mm
15.67 cm
0.514 ft
6.169 in
165.75 mm
16.575 cm
0.544 ft
6.526 in
165.3 mm
16.53 cm
0.542 ft
6.508 in
Thickness9.4 mm
0.94 cm
0.031 ft
0.37 in
8.8 mm
0.88 cm
0.029 ft
0.346 in
8.8 mm
0.88 cm
0.029 ft
0.346 in
8.79 mm
0.879 cm
0.029 ft
0.346 in
Weight191 g
0.42 lbs
6.74 oz
191 g
0.42 lbs
6.74 oz
209 g
0.46 lbs
7.37 oz
208 g
0.46 lbs
7.34 oz
Volume115.16 cm³
6.99 in³
102.46 cm³
6.22 in³
111.85 cm³
6.79 in³
111.3 cm³
6.76 in³
ColorsOnion
Garlic White
Black
Blue
Red
Glacier White
Interstellar Black
Tropical Green
Atlantis Blue
Body materialsPolycarbonateAluminium alloy
Glass
Glass
Plastic
Plastic
Glass

SIM card

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

SIM card typeNano-SIMNano-SIMNano-SIMNano-SIM
Nano-SIM / microSD
Number of SIM cards2222
FeaturesDual 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)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 (B5)
GSM 900 MHz (B8)
GSM 1800 MHz (B3)
GSM 1900 MHz (B2)
GSM 850 MHz (B5)
GSM 900 MHz (B8)
GSM 1800 MHz (B3)
GSM 1900 MHz (B2)
CDMACDMA 800 MHz-CDMA 800 MHz (BC0)-
W-CDMA-W-CDMA 850 MHz (B5)
W-CDMA 900 MHz (B8)
W-CDMA 1900 MHz (B2)
W-CDMA 2100 MHz (B1)
W-CDMA 850 MHz (B5)
W-CDMA 900 MHz (B8)
W-CDMA 1900 MHz (B2)
W-CDMA 2100 MHz (B1)
W-CDMA 850 MHz (B5)
W-CDMA 900 MHz (B8)
W-CDMA 1900 MHz (B2)
W-CDMA 2100 MHz (B1)
TD-SCDMATD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
---
UMTSUMTS 850 MHz
UMTS 900 MHz
UMTS 1700/2100 MHz
UMTS 2100 MHz
---
LTELTE 850 MHz
LTE 900 MHz
LTE 1700/2100 MHz
LTE 1800 MHz
LTE 2100 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-FDD 2600 MHz (B7)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
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 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
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)

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 12
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
EDGE
GPRS
HSPA+
LTE
TD-SCDMA

Operating system

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

Operating system (OS)ColorOS 6.0 (Android 9.0 Pie)MIUI V10.2 (Android 9.0 Pie)
MIUI V10.3.5.0 (Android 9.0 Pie)
MIUI V11 (Android 10)
MIUI V11 (Android 10)MIUI 11 (Android 10)

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 710Qualcomm Snapdragon 855Qualcomm Snapdragon 720GQualcomm Snapdragon 730G
Process technology10 nm7 nm8 nm8 nm
CPU2x 2.2 GHz Kryo 360, 6x 1.7 GHz Kryo 3601x 2.84 GHz Kryo 485, 3x 2.42 GHz Kryo 485, 4x 1.8 GHz Kryo 4852x 2.3 GHz Kryo 465, 6x 1.8 GHz Kryo 4652x 2.2 GHz Kryo 470, 6x 1.8 GHz Kryo 470
CPU bits64 bit64 bit64 bit64 bit
Instruction setARMv8ARMv8-AARMv8.2-AARMv8
CPU cores8888
CPU frequency2200 MHz2840 MHz2300 MHz2200 MHz
GPUQualcomm Adreno 616Qualcomm Adreno 640Qualcomm Adreno 618Qualcomm Adreno 618
GPU frequency500 MHz-750 MHz-
RAM capacity8 GB6 GB
8 GB
12 GB
6 GB6 GB
8 GB
RAM typeLPDDR4XLPDDR4XLPDDR4XLPDDR4X
RAM channelsDouble channelDouble channelDouble channelDouble channel
RAM frequency1866 MHz2133 MHz2133 MHz1866 MHz
Hyper Boost 2.0Mi Turbo
Game Turbo 2.0
-Liquid cooling

Storage

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

Storage128 GB64 GB
128 GB
256 GB
64 GB
128 GB
64 GB
128 GB
UFS 2.1UFS 2.1UFS 2.1UFS 2.1

Memory cards

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

Types--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/technologyAMOLEDSuper AMOLEDIPSIPS
Diagonal size6.53 in
165.86 mm
16.59 cm
6.39 in
162.31 mm
16.23 cm
6.67 in
169.42 mm
16.94 cm
6.67 in
169.42 mm
16.94 cm
Width2.74 in
69.51 mm
6.95 cm
2.68 in
68.02 mm
6.8 cm
2.74 in
69.52 mm
6.95 cm
2.74 in
69.52 mm
6.95 cm
Height5.93 in
150.6 mm
15.06 cm
5.8 in
147.37 mm
14.74 cm
6.08 in
154.5 mm
15.45 cm
6.08 in
154.5 mm
15.45 cm
Aspect ratio2.167:12.167:12.222:12.222:1
Resolution1080 x 2340 pixels1080 x 2340 pixels1080 x 2400 pixels1080 x 2400 pixels
Pixel density395 ppi
155 ppcm
403 ppi
158 ppcm
395 ppi
155 ppcm
395 ppi
155 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area85.72 %86.37 %84.78 %85.1 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Corning Gorilla Glass 5
2.5D curved glass screen
60000:1 contrast ratio
430 cd/m²
100% NTSC
Corning Gorilla Glass 6
2.5D curved glass screen
60000:1 contrast ratio
430 cd/m²
Peak brightness - 600 cd/m²
103.8% NTSC
Always-On Display
DCI-P3
HDR10
2.5D curved glass screen
Corning Gorilla Glass 5
Oleophobic coating
TÜV Rheinland Low Blue Light Certification
1500:1 contrast ratio
450 cd/m² typical brightness
84% NTSC
Corning Gorilla Glass 5
2.5D curved glass screen
Oleophobic coating
120Hz
HDR10

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
Fingerprint
Hall
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Pedometer
Geomagnetic
Fingerprint
Gravity
In-display fingerprint sensorIn-display optical fingerprint sensor
Step detector
Step counter
Side-mounted fingerprint sensorSide-mounted fingerprint sensor

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 modelSony IMX586 Exmor RSSony IMX586 Exmor RS-Sony IMX686
Sensor typeCMOS BSICMOS BSICMOSCMOS BSI
Sensor format1/2"1/2"-1/1.7"
Pixel size0.8 µm
0.000800 mm
0.8 µm
0.000800 mm
0.8 µm
0.000800 mm
0.8 µm
0.000800 mm
ISO100 - 6400100 - 3200--
Aperturef/1.7f/1.75f/1.79f/1.7
Focal length and 35 mm equivalent4.73 mm
26 mm *(35 mm / full frame)
26 mm *(35 mm / full frame)--
Field of view-79.4 °-79 °
Number of lenses666-
Flash typeLEDDual LEDLEDDual LED
Image resolution8000 x 6000 pixels
48 MP
8000 x 6000 pixels
48 MP
64 MP9248 x 6944 pixels
64.22 MP
Video resolution3840 x 2160 pixels
8.29 MP
3840 x 2160 pixels
8.29 MP
3840 x 2160 pixels
8.29 MP
3840 x 2160 pixels
8.29 MP
Video FPS30 fps60 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
Optical 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)
Contrast detection autofocus (CDAF)
Laser autofocus (LAF)
RAW
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)
Autofocus
Continuous shooting
Digital 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
Phase detection autofocus (PDAF)
Pixel size - 1.6 μm (4-in-1 pixel binning)
Phase detection with Dual Pixel
1080p @ 120 fps
720p @ 960 fps
Secondary rear camera - 5 MP
Aperture size - f/2.4 (#2)
Pixel size - 1.6 μm (4-in-1 pixel binning)
1080p @ 960 fps
720p @ 960 fps
Secondary rear camera - 8 MP (telephoto)
Sensor model - OmniVision OV8856 (#2)
Sensor type - PureCel (#2)
Sensor size - 3.6783 x 2.76768 mm (#2)
Aperture size - f/2.4 (#2)
5-element lens (#2)
Focal length (35 mm equivalent) - 52 mm (#2)
Angle of view - 44.6°(#2)
2x Optical zoom (#2)
Third rear camera - 13 MP (ultra-wide angle)
Sensor model - Samsung S5K3L6 (#3)
Sensor type - ISOCELL (#3)
Sensor size - 1/3.1" (#3)
Pixel size - 1.12 μm (#3)
Aperture size - f/2.4 (#3)
5-element lens (#3)
Focal length (35 mm equivalent) - 15 mm (#3)
Angle of view - 124.8° (#3)
Sony IMX582 versions also available
Pixel size - 1.6 μm (4-in-1 pixel binning)
Secondary rear camera - 8 MP (ultra-wide)
Sensor model - OmniVision OV8856 (#2)
GalaxyCore GC8034 version also available(#2)
Sensor size - 1/4" (#2)
Pixel size - 1.12 μm (#2)
Aperture size - f/2.2 (#2)
Angle of view - 118° (#2)
Focal length (35 mm equivalent) - 13 mm (#2)
Third rear camera - 2MP (depth-sensing)
Sensor model - GalaxyCore GC02M1 (#3)
Sensor size - 1/5" (#3)
Pixel size - 1.75 μm (#3)
Aperture size - f/2.4 (#3)
Fourth rear camera - 5MP (macro)
Sensor model - Samsung S5K5E9 (#4)
Pixel size - 1.12 μm (#4)
2 cm shooting distance (#4)
Pixel size - 1.6 μm (4-in-1 pixel binning)
10x digital zoom
1080p @ 120 fps
720p @ 960 fps
Secondary rear camera - 8 MP (ultra-wide angle)
Angle of view - 120° (#2)
Pixel size - 1.12 μm (#2)
Aperture size - f/2.2 (#2)
Third rear camera - 2 MP (depth-sensing)
Pixel size - 1.75 μm (#3)
Aperture size - f/2.4 (#3)
Fourth rear camera - 2 MP (macro)
Macro shooting distance - 2 cm (#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 modelSony IMX471 Exmor RS-OmniVision OV16A1Q-
Pixel size1 µm
0.001000 mm
0.8 µm
0.000800 mm
1 µm
0.001000 mm
0.8 µm
0.000800 mm
Aperturef/2f/2.2f/2-
Focal length and 35 mm equivalent3.41 mm18 mm *(35 mm / full frame)--
Field of view---78 °
Image resolution4608 x 3456 pixels
15.93 MP
5184 x 3880 pixels
20.11 MP
4608 x 3456 pixels
15.93 MP
5963 x 3354 pixels
20 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 unlock-Face unlock
HDR
Face detection
-
Mechanical pop-up front cameraMechanical pop-up front camera
Sapphire glass cover
-Secondary front camera - 2 MP (depth-sensing)
Angle of view - 83° (#2)
Pixel size - 1.75 μm (#2)
Aperture size - f/2.4 (#2)

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Dolby AtmosSmart PASmart PA
Dual microphones with active noise cancellation
1216 linear speaker
Z-axis linear motor
1217 super linear speaker
Smart PA
Hi-Res audio
Dual microphone noise cancellation

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
A-GPS
GPS (L1+L5)
GLONASS (L1)
BeiDou (B1)
Galileo (E1+E5a)
GPS
A-GPS
GLONASS
Galileo
Beidou
NavIC
GPS
A-GPS
GLONASS
BeiDou
Galileo

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
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 MiMO2x2 MU-MIMO-

Bluetooth

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

Version5.05.05.05.0
FeaturesA2DP
EDR
LE
A2DP
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 typeUSB Type-CUSB Type-CUSB Type-CUSB Type-C
Version2.02.02.02.0
FeaturesCharging
Mass storage
On-The-Go
Charging
Host
Mass storage
On-The-Go
Charging
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
Tethering
VoLTE
Computer sync
OTA sync
Tethering
DLNA
NFC
VoLTE
Computer sync
OTA sync
Infrared
Tethering
NFC
VoLTE
ViLTE
VoWiFi
Computer sync
Tethering
NFC
VoLTE
-NFC not available for model variant MZB7748IN (India-bound)--

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
AMR
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+
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

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
MP4
WebM
WMV
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
Flash Video
H.263
H.264
MKV
MP4
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.

Capacity3765 mAh4000 mAh5020 mAh4500 mAh
TypeLi-PolymerLi-PolymerLi-IonLi-Polymer
Charger output power5 V / 4 A5 V / 3 A
9 V / 2 A
12 V / 1.5 A
5 V / 6 A9 V / 3 A
Quick charge technologyVOOC 3.0Qualcomm Quick Charge 4+--
FeaturesFast charging
Non-removable
Fast charging
Non-removable
Fast charging
Non-removable
Fast charging
Non-removable
--33W in-box charger-

Additional features

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

Additional features-M1903F11L - SAR (Specific Absorption Rate) India: head - 1.030 W/kg; body - 0.720 W/kgP2i splash-proof nano-coatingSAR (Specific Absorption Rate) India: head - 1.080 W/kg; body - 0.620 W/kg
 Realme X Master EditionXiaomi Redmi K20 ProXiaomi Redmi Note 9 ProPOCO X2