Comparison between:
- Realme X2 Pro
- Xiaomi Black Shark 2 Pro
- Asus ROG Phone II

Brand and model

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

Realme X2 ProXiaomi Black Shark 2 ProAsus ROG Phone II
Realme X2 Pro
Prices
Xiaomi Black Shark 2 Pro
Prices
Asus ROG Phone II
Prices
Model aliasRMX1931Black Shark 2ProROG Phone2
ROG Phone2
ZS660KL

Design

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

Width75.7 mm
7.57 cm
0.248 ft
2.98 in
75.01 mm
7.501 cm
0.246 ft
2.953 in
77.6 mm
7.76 cm
0.255 ft
3.055 in
Height161 mm
16.1 cm
0.528 ft
6.339 in
163.61 mm
16.361 cm
0.537 ft
6.441 in
170.99 mm
17.099 cm
0.561 ft
6.732 in
Thickness8.7 mm
0.87 cm
0.029 ft
0.343 in
8.77 mm
0.877 cm
0.029 ft
0.345 in
9.48 mm
0.948 cm
0.031 ft
0.373 in
Weight199 g
0.44 lbs
7.02 oz
205 g
0.45 lbs
7.23 oz
240 g
0.53 lbs
8.47 oz
Volume106.03 cm³
6.44 in³
107.63 cm³
6.54 in³
125.79 cm³
7.64 in³
ColorsNeptune Blue
Lunar White
Red Brick
Cement
Black
Silver
Green
Orange
Purple
Blue
Gold
Gray
Body materialsAluminium alloy
Glass
Aluminium alloyGlass
Metal

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
Number of SIM cards222
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)

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 (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
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
CDMACDMA 800 MHz (BC0)CDMA 800 MHz-
W-CDMAW-CDMA 850 MHz (B5)
W-CDMA 850 MHz (B6)
W-CDMA 900 MHz (B8)
W-CDMA 1700 MHz (B4)
W-CDMA 1700 MHz (B9)
W-CDMA 1900 MHz (B2)
W-CDMA 2100 MHz (B1)
W-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 1700 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
-
TD-SCDMATD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
TD-SCDMA 1900 MHz
TD-SCDMA 2000 MHz
TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
UMTS--UMTS 800 MHz
UMTS 850 MHz
UMTS 900 MHz
UMTS 1700/2100 MHz
UMTS 1900 MHz
UMTS 2100 MHz
LTELTE-FDD 700 MHz (B12)
LTE-FDD 700 MHz (B17)
LTE-FDD 800 MHz (B20)
LTE-FDD 850 MHz (B5)
LTE-FDD 850 MHz (B18)
LTE-FDD 850 MHz (B19)
LTE-FDD 850 MHz (B26)
LTE-FDD 900 MHz (B8)
LTE-FDD 1700 MHz (B4)
LTE-FDD 1800 MHz (B3)
LTE-FDD 1900 MHz (B2)
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)
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 700 MHz Class 17
LTE 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 Class 13
LTE 700 MHz Class 17
LTE 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 700 MHz (B12)
LTE 800 MHz (B18)
LTE 800 MHz (B19)
LTE 850 MHz (B26)
LTE 700 MHz (B28)
LTE 700 MHz (B29)
LTE B1 / B3 / B38 / B41 - 4x4 MiMO--

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 13/Cat 15
UMTS
EDGE
GPRS
HSPA+
LTE
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 18
TD-SCDMA
TD-HSDPA
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 6.1 (Android 9.0 Pie
Android 10)
Android 9.0 PieAndroid 9.0 Pie
User interface (UI)--ROG Gaming X Mode UI

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 855 PlusQualcomm Snapdragon 855 PlusQualcomm Snapdragon 855 Plus
Process technology7 nm7 nm7 nm
CPU1x 2.96 GHz Kryo 485, 3x 2.42 GHz Kryo 485, 4x 1.8 GHz Kryo 4851x 2.96 GHz Kryo 485, 3x 2.42 GHz Kryo 485, 4x 1.8 GHz Kryo 4851x 2.96 GHz Kryo 485, 3x 2.42 GHz Kryo 485, 4x 1.8 GHz Kryo 485
CPU bits64 bit64 bit64 bit
Instruction setARMv8-AARMv8-AARMv8-A
CPU cores888
CPU frequency2960 MHz2960 MHz2960 MHz
GPUQualcomm Adreno 640Qualcomm Adreno 640Qualcomm Adreno 640
GPU frequency675 MHz675 MHz675 MHz
RAM capacity6 GB
8 GB
12 GB
12 GB12 GB
RAM typeLPDDR4XLPDDR4XLPDDR4X
RAM channelsDouble channelDouble channelDouble channel
RAM frequency1866 MHz2133 MHz2133 MHz
GameBoost 2.0
Touch Boost 2.0
Frame Boost 2.0
Liquid Cool 3.0 vapor chamber system-

Storage

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

Storage64 GB
128 GB
256 GB
128 GB
256 GB
128 GB
512 GB
64GB - UFS 2.1
128GB and 256GB - UFS 3.0
UFS 3.0UFS 3.0

Display

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

Type/technologySuper AMOLEDSuper AMOLEDAMOLED
Diagonal size6.5 in
165.1 mm
16.51 cm
6.39 in
162.31 mm
16.23 cm
6.59 in
167.39 mm
16.74 cm
Width2.67 in
67.75 mm
6.78 cm
2.68 in
68.02 mm
6.8 cm
2.76 in
70.14 mm
7.01 cm
Height5.93 in
150.56 mm
15.06 cm
5.8 in
147.37 mm
14.74 cm
5.98 in
151.98 mm
15.2 cm
Aspect ratio2.222:12.167:12.167:1
Resolution1080 x 2400 pixels1080 x 2340 pixels1080 x 2340 pixels
Pixel density405 ppi
159 ppcm
403 ppi
158 ppcm
391 ppi
153 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area83.97 %81.94 %80.6 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Fluid Display
2.5D curved glass screen
Corning Gorilla Glass 5
90 Hz refresh rate
135 Hz sampling rate
Peak brightness - 1000 cd/m²
100% DCI-P3
HDR10+
TÜV Rheinland Full Care Display Certification
Display manufacturer - Samsung
Corning Gorilla Glass 6
2.5D curved glass screen
Always-On Display
Magic Press stereo control
60000:1 contrast ratio
430 cd/m²
Peak brightness - 600 cd/m²
108.9% NTSC
Touch registration rate - 240 Hz
Input latency - 43.5 ms
HDR10
Corning Gorilla Glass 6
2.5D curved glass screen
Always-On Display
Bluelight Filter
500000:1 contrast ratio
Peak brightness - 600 cd/m²
120 Hz refresh rate
1 ms response time
108% DCI-P3
HDR

Sensors

Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.

SensorsProximity
Light
Accelerometer
Gyroscope
Geomagnetic
Fingerprint
Tactile Linear Motor
Proximity
Light
Accelerometer
Compass
Gyroscope
Barometer
Fingerprint
Hall
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Hall
Fingerprint sensor model - Goodix 3.0 (In-display optical fingerprint sensor)In-display optical fingerprint sensor
Step detector
Step counter
2x ultrasonic AirTrigger sensors
In-display optical 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 modelSamsung S5KGW1Sony IMX586 Exmor RSSony IMX586 Exmor RS
Sensor typeISOCELLCMOS BSICMOS
Sensor format1/1.72"1/2"1/2"
Pixel size0.8 µm
0.000800 mm
0.8 µm
0.000800 mm
0.8 µm
0.000800 mm
ISO-100 - 3200-
Aperturef/1.8f/1.75f/1.79
Focal length and 35 mm equivalent26 mm *(35 mm / full frame)28 mm *(35 mm / full frame)26.6 mm *(35 mm / full frame)
Field of view--79 °
Number of lenses666
Flash typeDual LEDDual LEDDual LED
Image resolution9280 x 6944 pixels
64.44 MP
8000 x 6000 pixels
48 MP
8000 x 6000 pixels
48 MP
Video resolution3840 x 2160 pixels
8.29 MP
3840 x 2160 pixels
8.29 MP
3840 x 2160 pixels
8.29 MP
Video FPS60 fps30 fps60 fps
FeaturesAutofocus
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)
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
RAW
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
RAW
Phase detection autofocus (PDAF)
Pixel size - 1.6 μm (4-in-1 pixel binning)
Sensor type - ISOCELL PLUS
Super Phase Detection
Secondary rear camera - 8 MP (ultra-wide angle)
Sensor size - 1/4" (#2)
Pixel size - 1.12 μm (#2)
Angle of view - 115° (#2)
Aperture - f/2.2 (#2)
Focal length (35 mm equivalent) - 14 mm (#2)
Phase Detection (#2)
720p @ 960 fps (#2)
Third rear camera - 13 MP (telephoto)
Sensor size - 1/3.4" (#3)
Pixel size - 1.0 μm (#3)
Aperture - f/2.5 (#3)
Phase Detection (#3)
Focal length (35 mm equivalent) - 51.6 mm (#3)
5-element lens (#3)
20x hybrid zoom (#3)
2x optical zoom (#3)
Fourth rear camera - 2 MP (depth-sensing)
Sensor size - 1/5" (#4)
Pixel size - 1.75 μm (#4)
Aperture - f/2.4 (#4)
Pixel size - 1.6 μm (4-in-1 pixel binning)
Sapphire crystal glass lens cover
1080p @ 120 fps
720p @ 1920 fps
Secondary rear camera - 12 MP (telephoto)
Sensor model - Samsung S5K3M5 (#2)
Sensor type - ISOCELL (#2)
Sensor size - 1/3.4" (#2)
Pixel size - 1.0 μm (#2)
Aperture size - f/2.2 (#2)
6-element lens (#2)
Focal length (35 mm equivalent) - 51 mm (#2)
Pixel size - 1.6 μm (4-in-1 pixel binning)
Phase detection with Dual Pixel
1080p @ 240 fps
720p @ 480 fps
Secondary rear camera - 13 MP (ultra-wide angle)
Focal length (35 mm equivalent) - 11 mm (#2)
Angle of view - 125° (#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 S5K3P8--
Sensor typeISOCELL--
Sensor format1/3.1"--
Pixel size1 µm
0.001000 mm
0.9 µm
0.000900 mm
-
Aperturef/2f/2f/2
Focal length and 35 mm equivalent-20 mm *(35 mm / full frame)27 mm *(35 mm / full frame)
Field of view--77.9 °
Number of lenses55-
Image resolution4640 x 3488 pixels
16.18 MP
5184 x 3880 pixels
20.11 MP
5632 x 4224 pixels
23.79 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 unlock-Face unlock

Audio

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

SpeakerLoudspeaker
Earpiece
Stereo speakers
Loudspeaker
Earpiece
Stereo speakers
Loudspeaker
Earpiece
Stereo speakers
Dolby Atmos
Superlinear speakers
Smart PA
Hi-Res Audio
Active noise cancellation with dual microphones
Headphone adapterDTS:X Ultra DSP
Hi-Res Audio
192 kHz / 24-bit
Smart PA

Radio

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

RadioYesNoYes

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
BeiDou
Galileo
GPS
A-GPS
GLONASS
BeiDou
Galileo
A-GPS
GPS (L1+L5)
GLONASS (L1)
BeiDou (B1)
Galileo (E1+E5a)

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
802.11ad
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
2x2 MiMO
256 QAM
2x2 MiMO2x2 MiMO

Bluetooth

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

Version5.05.05.0
FeaturesA2DP
LE
A2DP
LE
A2DP
AVRCP
EDR
GAP
HDP
HFP
HSP
MAP
OPP
PBAP

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-C
Version2.02.03.1
FeaturesCharging
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 jackYesNoYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
NFC
VoLTE
Computer sync
OTA sync
Tethering
DLNA
VoLTE
Computer sync
OTA sync
Tethering
NFC
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
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
DivX
Flash Video
H.263
H.264
MKV
MP4
WebM
WMV
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
QuickTime
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.

Capacity4000 mAh4000 mAh6000 mAh
TypeLi-PolymerLi-PolymerLi-Polymer
Charger output power10 V / 5 A5 V / 3 A
9 V / 3 A
12 V / 2.25 A
20 V / 1.35 A
5 V / 3 A
9 V / 3 A
12 V / 2.5 A
Quick charge technologySuperVOOC Flash ChargeQualcomm Quick Charge 4+Qualcomm Quick Charge 4.0
FeaturesFast charging
Non-removable
Fast charging
Non-removable
Fast charging
Non-removable
50W fast charging--

Additional features

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

Additional features--3D Vapor-chamber Cooling System
Accessory connector
Aura RGB Light
Water resistant
 Realme X2 ProXiaomi Black Shark 2 ProAsus ROG Phone II