Comparison between:
- Realme X
- Oppo K3
- Realme 5 Pro
- Xiaomi Redmi Note 8 Pro

Brand and model

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

Realme XOppo K3Realme 5 ProXiaomi Redmi Note 8 Pro
Realme X
Prices
Oppo K3
Prices
Realme 5 Pro
Prices
Xiaomi Redmi Note 8 Pro
Prices
Model aliasRMX1901PCGM00RMX1971Redmi Note8 Pro
Red Rice Note 8 Pro
Red Rice Note8 Pro
G7
2015105
M1906G7G
M1906G7I
M1906G7E
M1906G7T

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
76 mm
7.6 cm
0.25 ft
2.99 in
74.2 mm
7.42 cm
0.24 ft
2.92 in
76.4 mm
7.64 cm
0.25 ft
3.01 in
Height161.2 mm
16.12 cm
0.53 ft
6.35 in
161.2 mm
16.12 cm
0.53 ft
6.35 in
157 mm
15.7 cm
0.52 ft
6.18 in
161.35 mm
16.14 cm
0.53 ft
6.35 in
Thickness9.4 mm
0.94 cm
0.03 ft
0.37 in
9.4 mm
0.94 cm
0.03 ft
0.37 in
8.9 mm
0.89 cm
0.03 ft
0.35 in
8.79 mm
0.88 cm
0.03 ft
0.35 in
Weight191 g
0.42 lbs
6.74 oz
191 g
0.42 lbs
6.74 oz
184 g
0.41 lbs
6.49 oz
199 g
0.44 lbs
7.05 oz
Volume115.16 cm³
6.99 in³
115.16 cm³
6.99 in³
103.68 cm³
6.3 in³
108.36 cm³
6.58 in³
ColorsBlue
White
Green
White
Purple
Crystal Green
Sparkling Blue
Mineral Grey
Pearl White
Forest Green
Body materialsPolycarbonatePlasticPlasticGlass
Plastic
Certification--Splash resistantIP52

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-SIM / microSD
Nano-SIM
Nano-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
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)
CDMACDMA 800 MHzCDMA 800 MHz-CDMA 800 MHz (BC0)
W-CDMA--W-CDMA 850 MHz (B5)
W-CDMA 900 MHz (B8)
W-CDMA 2100 MHz (B1)
W-CDMA 850 MHz (B5)
W-CDMA 900 MHz (B8)
W-CDMA 2100 MHz (B1)
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
UMTSUMTS 850 MHz
UMTS 900 MHz
UMTS 1700/2100 MHz
UMTS 2100 MHz
UMTS 800 MHz
UMTS 850 MHz
UMTS 900 MHz
UMTS 1700/2100 MHz
UMTS 1900 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 700 MHz Class 17
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-TDD 2000 MHz (B34)
LTE 700 MHz (B12)
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 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 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
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 15
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 12
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)ColorOS 6.0 (Android 9.0 Pie)ColorOS 6 (Android 9.0 Pie)ColorOS 6 (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 710Qualcomm Snapdragon 710Qualcomm Snapdragon 712MediaTek Helio G90T (MT6785T)
Process technology10 nm10 nm10 nm12 nm
CPU2x 2.2 GHz Kryo 360, 6x 1.7 GHz Kryo 3602x 2.2 GHz Kryo 360, 6x 1.7 GHz Kryo 3602x 2.2 GHz Kryo 360, 6x 1.7 GHz Kryo 3602x 2.05 GHz Cortex-A76, 6x 2.0 GHz Cortex-A55
CPU bits64 bit64 bit64 bit64 bit
Instruction setARMv8ARMv8ARMv8ARMv8.2-A
CPU cores8888
CPU frequency2200 MHz2200 MHz2200 MHz2050 MHz
GPUQualcomm Adreno 616Qualcomm Adreno 616Qualcomm Adreno 616ARM Mali-G76 3EEMC4
GPU cores---4
GPU frequency500 MHz500 MHz-800 MHz
RAM capacity4 GB
6 GB
8 GB
6 GB
8 GB
4 GB
6 GB
8 GB
6 GB
8 GB
RAM typeLPDDR4XLPDDR4XLPDDR4XLPDDR4X
RAM channelsDouble channelDouble channelDouble channelDouble channel
RAM frequency1866 MHz1866 MHz1866 MHz2133 MHz
Hyper Boost 2.0Game Boost 2.0HyperBoost 2.0MediaTek HyperEngine
Mi Turbo
Game Turbo 2.0
Liquid cooling system

Storage

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

Storage64 GB
128 GB
64 GB
128 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
miniSD
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/technologyAMOLEDAMOLEDIPSIPS
Diagonal size6.53 in
165.86 mm
16.59 cm
6.5 in
165.1 mm
16.51 cm
6.3 in
160.02 mm
16 cm
6.53 in
165.86 mm
16.59 cm
Width2.74 in
69.51 mm
6.95 cm
2.72 in
69.19 mm
6.92 cm
2.64 in
67.06 mm
6.71 cm
2.74 in
69.51 mm
6.95 cm
Height5.93 in
150.6 mm
15.06 cm
5.9 in
149.9 mm
14.99 cm
5.72 in
145.29 mm
14.53 cm
5.93 in
150.6 mm
15.06 cm
Aspect ratio2.167:12.167:12.167:12.167:1
Resolution1080 x 2340 pixels1080 x 2340 pixels1080 x 2340 pixels1080 x 2340 pixels
Pixel density395 ppi
155 ppcm
396 ppi
155 ppcm
409 ppi
160 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 %84.93 %83.9 %85.19 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Scratch resistant
Corning Gorilla Glass 5
2.5D curved glass screen
60000:1 contrast ratio
430 cd/m²
100% NTSC
Corning Gorilla Glass
2.5D curved glass screen
100000:1 contrast ratio
Display manufacturer - DSBJ
In-cell
Corning Gorilla Glass 3+
2.5D curved glass screen
1100:1 contrast ratio
450 cd/m²
81.5% NTSC
Night Mode
2.5D curved glass screen
Corning Gorilla Glass 5
Oleophobic coating
TÜV Rheinland certification for low blue light emissions
Chip-on-foil (COF) IC packaging technology
1500:1 contrast ratio
500 cd/m² typical brightness
420 cd/m² minimum brightness
84% NTSC
HDR

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
Proximity
Light
Accelerometer
Gyroscope
Magnetometer
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
In-display fingerprint sensorIn-display 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 RS-Sony IMX586 Exmor RSSamsung S5KGW1
Sensor typeCMOS BSICMOSCMOS BSIISOCELL
Sensor format1/2"-1/2"1/1.72"
Pixel size0.8 µm
0.000800 mm
-0.8 µm
0.000800 mm
0.8 µm
0.000800 mm
ISO100 - 6400100 - 1600100 - 3200-
Aperturef/1.7-f/1.79f/1.7
Focal length and 35 mm equivalent4.73 mm
26 mm *(35 mm / full frame)
-4.73 mm-
Field of view---79 °
Number of lenses6666
Flash typeLEDDual LEDLEDDual LED
Image resolution8000 x 6000 pixels
48 MP
4608 x 3456 pixels
15.93 MP
8000 x 6000 pixels
48 MP
9248 x 6936 pixels
64.14 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 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
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)
Contrast detection autofocus (CDAF)
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
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)
Phase detection with Dual Pixel
1080p @ 120 fps
720p @ 960 fps
Secondary rear camera - 5 MP
Aperture size - f/2.4 (#2)
1080p @ 120 fps
720p @ 240 fps
Secondary rear camera - 2 MP
Pixel size - 1.6 μm (4-in-1 pixel binning)
1080p @ 120 fps
720p @ 240 fps
720p @ 960 fps
Secondary rear camera - 8MP Hynix HI846 (ultra-wide)
Sensor size - 1/4" (#2)
Pixel size - 1.12 μm (#2)
Angle of view - 119° (#2)
Focal length - 1.66 mm (#2)
Aperture - f/2.25 (#2)
5-element lens (#2)
Third rear camera - 2 MP OmniVision OV02A1B (mono)
Sensor size - 1/5" (#3)
Pixel size - 1.75 μm (#3)
Angle of view - 88.8° (#3)
Focal length - 1.77 mm (#3)
3-element lens (#3)
Six portrait styles (#3)
Fourth rear camera - 2 MP GalaxyCore GC2375 (macro)
Sensor size - 1/5" (#4)
Pixel size - 1.75 μm (#4)
Angle of view - 88.8° (#4)
Focal length - 1.77 mm (#4)
3-element lens (#4)
4cm shooting distance (#4)
Pixel size - 1.6 μm (4-in-1 pixel binning)
Sensor type - ISOCELL PLUS
Super Phase Detection
1080p @ 120 fps
720p @ 960 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)
Focal length (35 mm equivalent) - 13 mm (#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 modelSony IMX471 Exmor RS-Sony IMX471Samsung S5K3T1
Sensor type-CMOSCMOSISOCELL
Sensor format--1/3"1/3.1"
Pixel size1 µm
0.001000 mm
-1.12 µm
0.001120 mm
0.9 µm
0.000900 mm
Aperturef/2f/2f/2f/2
Focal length and 35 mm equivalent3.41 mm-3.82 mm-
Field of view--79 °-
Number of lenses--5-
Image resolution4608 x 3456 pixels
15.93 MP
4608 x 3456 pixels
15.93 MP
4608 x 3456 pixels
15.93 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
FeaturesFace unlockFace unlockFace unlockFace unlock
Mechanical pop-up front cameraMechanical pop-up front cameraHDRPixel size - 1.8 μm (4-in-1 pixel binning)
HDR

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Dolby Atmos-Dirac Power Sound technology
Dual microphone noise cancellation
Super linear speaker
Smart PA 10V Boost
1217 super-linear speaker
Active noise cancellation with a dedicated microphone

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
GPS
A-GPS
GLONASS
BeiDou
Galileo
GPS
A-GPS
GLONASS
BeiDou
Galileo
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
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
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.

Version5.05.05.05.0
FeaturesA2DP
EDR
LE
A2DP
EDR
LE
A2DP
EDR
HID
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-CUSB Type-CUSB Type-C
Version2.02.02.02.0
FeaturesCharging
Mass storage
On-The-Go
Charging
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
VoLTE
Computer sync
OTA sync
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
AMR
aptX
aptX HD
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC
AAC
AAC+
AMR
aptX
aptX HD
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC
AAC
AAC+
AMR
AMR-WB
aptX
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
MP4
WebM
WMV
Xvid
3GPP
AVI
DivX
Flash Video
MKV
MP4
WebM
WMV
Xvid
3GPP
AVI
DivX
Flash Video
H.263
H.264
MKV
QuickTime
MP4
VP8
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.

Capacity3765 mAh3765 mAh4035 mAh4500 mAh
TypeLi-PolymerLi-PolymerLi-IonLi-Ion
Charger output power5 V / 4 A5 V / 4 A5 V / 4 A5 V / 3 A
9 V / 2 A
12 V / 1.5 A
Quick charge technologyVOOC 3.0VOOC 3.0VOOC 3.0MediaTek Pump Express 4.0, Qualcomm Quick Charge 3.0, Quick Charge 4+, USB Power Delivery 3.0
FeaturesFast charging
Non-removable
Fast charging
Non-removable
Fast charging
Non-removable
Fast 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)---0.997 W/kg
Body SAR (EU)---1.446 W/kg
Head SAR (USA)---1.15 W/kg
Body SAR (USA)---1.18 W/kg

Additional features

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

Additional features--SAR
India head - 1.28 W/Kg
India body - 0.831 W/Kg
Anti-splash coating
 Realme XOppo K3Realme 5 ProXiaomi Redmi Note 8 Pro