Comparison between:
- Oppo K7 5G
- Oppo K7x
- Oppo A53 5G
- Oppo A55

Brand and model

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

Oppo K7 5GOppo K7xOppo A53 5GOppo A55
Oppo K7 5GOppo K7xOppo A53 5G
Prices
Oppo A55
Prices
Model alias-PERM00PECM30PEMM00

Design

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

Width74.3 mm
7.43 cm
0.244 ft
2.925 in
75.02 mm
7.502 cm
0.246 ft
2.954 in
75 mm
7.5 cm
0.246 ft
2.953 in
75.7 mm
7.57 cm
0.248 ft
2.98 in
Height160.3 mm
16.03 cm
0.526 ft
6.311 in
162.13 mm
16.213 cm
0.532 ft
6.383 in
162.2 mm
16.22 cm
0.532 ft
6.386 in
163.9 mm
16.39 cm
0.538 ft
6.453 in
Thickness7.96 mm
0.796 cm
0.026 ft
0.313 in
9.1 mm
0.91 cm
0.03 ft
0.358 in
7.9 mm
0.79 cm
0.026 ft
0.311 in
8.4 mm
0.84 cm
0.028 ft
0.331 in
Weight180 g
0.4 lbs
6.35 oz
194 g
0.43 lbs
6.84 oz
175 g
0.39 lbs
6.17 oz
186 g
0.41 lbs
6.56 oz
Volume94.81 cm³
5.76 in³
110.68 cm³
6.72 in³
96.1 cm³
5.84 in³
104.22 cm³
6.33 in³
ColorsMystery Black
Night Sea
Flowing Clouds
Flowing Flame
Black Mirror
Blue Shadow
Secret Night Black
Streamer Purple
Lake Green
Light Blue
Rhythm Black
Body materialsAluminium alloy
Glass
Plastic
Glass
PlasticPlastic

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-SIM
Nano-SIM / microSD
Nano-SIM
Nano-SIM / microSD
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 (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)
GSM 850 MHz (B5)
GSM 900 MHz (B8)
GSM 1800 MHz (B3)
GSM 1900 MHz (B2)
CDMACDMA 800 MHz (BC0)CDMA 800 MHz (BC0)CDMA 800 MHz (BC0)CDMA 800 MHz (BC0)
W-CDMAW-CDMA 850 MHz (B5)
W-CDMA 850 MHz (B6)
W-CDMA 900 MHz (B8)
W-CDMA 900 MHz (B19)
W-CDMA 1700 MHz (B4)
W-CDMA 1900 MHz (B2)
W-CDMA 2100 MHz (B1)
W-CDMA 850 MHz (B5)
W-CDMA 850 MHz (B6)
W-CDMA 900 MHz (B8)
W-CDMA 900 MHz (B19)
W-CDMA 1700 MHz (B4)
W-CDMA 1900 MHz (B2)
W-CDMA 2100 MHz (B1)
W-CDMA 850 MHz (B5)
W-CDMA 850 MHz (B6)
W-CDMA 900 MHz (B8)
W-CDMA 900 MHz (B19)
W-CDMA 1700 MHz (B4)
W-CDMA 1900 MHz (B2)
W-CDMA 2100 MHz (B1)
W-CDMA 850 MHz (B5)
W-CDMA 850 MHz (B6)
W-CDMA 900 MHz (B8)
W-CDMA 900 MHz (B19)
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 1880-1920 MHz
TD-SCDMA 2010-2025 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-FDD 850 MHz (B5)
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-FDD 850 MHz (B5)
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-FDD 850 MHz (B5)
LTE-FDD 900 MHz (B8)
LTE-FDD 1800 MHz (B3)
LTE-FDD 2100 MHz (B1)
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)
5G NR5G-TDD 2500 MHz (n41)
5G-TDD 3500 MHz (n78)
5G-TDD 4700 MHz (n79)
5G-FDD 2100 MHz (n1)
5G-TDD 2500 MHz (n41)
5G-TDD 3500 MHz (n78)
5G-TDD 3700 MHz (n77)
5G-FDD 2100 MHz (n1)
5G-TDD 2500 MHz (n41)
5G-TDD 3500 MHz (n78)
5G-TDD 3700 MHz (n77)
5G-FDD 700 MHz (n28)
5G-FDD 2100 MHz (n1)
5G-TDD 2500 MHz (n41)
5G-TDD 3500 MHz (n78)
5G-TDD 3700 MHz (n77)

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 technologiesEDGE
GPRS
HSPA+
LTE
TD-SCDMA
5G NSA
5G SA
UMTS
EDGE
GPRS
HSPA+
LTE
5G NSA
5G SA
EDGE
GPRS
HSPA+
LTE
5G NSA
5G SA
EDGE
GPRS
HSPA+
LTE
5G NSA
5G SA
Snapdragon X52 modem---

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 7.2 (Android 10)Android 10ColorOS 7.2 (Android 10)ColorOS 11 (Android 11)
User interface (UI)-realme UI 1.0--

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 765GMediaTek Dimensity 720 (MT6853V)MediaTek Dimensity 720 (MT6853V)MediaTek Dimensity 700 (MT6833)
Process technology7 nm7 nm7 nm7 nm
CPU1x 2.4 GHz Kryo 475, 1x 2.42 GHz Kryo 475, 6x 1.8 GHz Kryo 4752x 2.0 GHz ARM Cortex-A76, 6x 2.0 GHz ARM Cortex-A552x 2.0 GHz ARM Cortex-A76, 6x 2.0 GHz ARM Cortex-A552x 2.2 GHz ARM Cortex-A76, 6x 2.0 GHz ARM Cortex-A55
CPU bits64 bit64 bit64 bit64 bit
Instruction setARMv8-AARMv8.2-AARMv8.2-AARMv8.2-A
CPU cores8888
CPU frequency2400 MHz2000 MHz2000 MHz2200 MHz
GPUQualcomm Adreno 620ARM Mali-G57 MC3ARM Mali-G57 MC3ARM Mali-G57 MC2
GPU cores-332
GPU frequency---955 MHz
RAM capacity8 GB6 GB4 GB
6 GB
6 GB
RAM typeLPDDR4XLPDDR4XLPDDR4XLPDDR4X
RAM channelsDouble channelDouble channelDouble channelDouble channel
RAM frequency1866 MHz1866 MHz1866 MHz1866 MHz
Hyper Boost 3.0 acceleration engine---

Storage

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

Storage128 GB
256 GB
128 GB128 GB128 GB
UFS 2.1UFS 2.1UFS 2.1UFS 2.1

Display

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

Type/technologyAMOLEDIPSIPSA-Si IPS
Diagonal size6.4 in
162.56 mm
16.26 cm
6.5 in
165.1 mm
16.51 cm
6.5 in
165.1 mm
16.51 cm
6.5 in
165.1 mm
16.51 cm
Width2.63 in
66.71 mm
6.67 cm
2.67 in
67.75 mm
6.78 cm
2.67 in
67.75 mm
6.78 cm
2.67 in
67.75 mm
6.78 cm
Height5.84 in
148.24 mm
14.82 cm
5.93 in
150.56 mm
15.06 cm
5.93 in
150.56 mm
15.06 cm
5.93 in
150.56 mm
15.06 cm
Aspect ratio2.222:12.222:12.222:12.222:1
Resolution1080 x 2400 pixels1080 x 2400 pixels1080 x 2400 pixels720 x 1600 pixels
Pixel density411 ppi
161 ppcm
405 ppi
159 ppcm
405 ppi
159 ppcm
270 ppi
106 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area83.3 %84.14 %84.12 %82.48 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
-2.5D curved glass screen
Corning Gorilla Glass 3
90 Hz refresh rate
180 Hz touch sampling rate
1500:1
480 cd/m² typical brightness
600 cd/m² peak brightnes
2.5D curved glass screen
LTPS (Low Temperature PolySilicon)
90 Hz refresh rate
120 Hz touch sampling rate
100% sRGB
480 cd/m²
1500:1
2.5D curved glass screen
71% NTSC
480 cd/m²
1500:1

Sensors

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

SensorsProximity
Light
Accelerometer
Compass
Gyroscope
Pedometer
Geomagnetic
Fingerprint
Gravity
Proximity
Light
Accelerometer
Gyroscope
Geomagnetic
Fingerprint
Proximity
Light
Accelerometer
Gyroscope
Pedometer
Geomagnetic
Fingerprint
Gravity
Proximity
Light
Accelerometer
Gyroscope
Pedometer
Geomagnetic
Fingerprint
Gravity
In-display fingerprint sensor
Step counter
Side-mounted fingerprint sensorSide-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 RS---
Sensor typeCMOS BSICMOS--
Sensor format1/2"1/2"--
Pixel size0.8 µm
0.000800 mm
0.8 µm
0.000800 mm
0.8 µm
0.000800 mm
-
Aperturef/1.7f/1.7f/2.2f/2.2
Field of view80 °---
Number of lenses65--
Flash typeDual LEDLEDLEDLED
Image resolution8000 x 6000 pixels
48 MP
8000 x 6000 pixels
48 MP
4624 x 3468 pixels
16.04 MP
4160 x 3120 pixels
12.98 MP
Video resolution3840 x 2160 pixels
8.29 MP
3840 x 2160 pixels
8.29 MP
3840 x 2160 pixels
8.29 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps30 fps
FeaturesAutofocus
Continuous 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
Macro 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
Phase detection autofocus (PDAF)
Autofocus
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 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)
Secondary rear camera - 8 MP (ultra-wide-angle)
Aperture size - f/2.2 (#2)
Angle of view - 119° (#2)
5-element lens (#2)
Third rear camera - 2 MP (macro)
Aperture size - f/2.4 (#3)
Fourth rear camera - 2 MP (depth-sensing)
Aperture size - f/2.4 (#4)
Secondary rear camera - 2 MP (depth-sensing)
Aperture size - f/2.4 (#2)
3-element lens (#2)
Third rear camera - 8 MP (ultra-wide-angle)
Aperture size - f/2.2 (#3)
5-element lens (#3)
Fourth rear camera - 2 MP (macro)
Aperture size - f/2.4 (#4)
3-element lens (#4)
Secondary rear camera - 2 MP (macro)
Aperture size - f/2.4 (#2)
Third rear camera - 2 MP (depth-sensing)
Aperture size - f/2.4 (#3)
Secondary rear camera - 2 MP (macro)
Aperture size - f/2.4 (#2)
Third rear camera - 2 MP (depth-sensing)
Aperture size - f/2.4 (#3)

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 S5KGD1---
Pixel size0.8 µm
0.000800 mm
---
Aperturef/2.4f/2f/2f/2
Field of view80 °79 °--
Number of lenses55--
Image resolution6560 x 4928 pixels
32.33 MP
4640 x 3456 pixels
16.04 MP
3264 x 2448 pixels
7.99 MP
3264 x 2448 pixels
7.99 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
Digital image stabilization
Face unlock
HDR
HDR
Face unlock
Face detection
HDR
Face unlock
Face detection
Sensor type - ISOCELL PLUS
Pixel size - 1.6 μm (4-in-1 pixel binning)
---

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
Hi-Red Audio
Active noise cancellation with dual microphones
--

Radio

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

RadioYesYesYesYes

Tracking/Positioning

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

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

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
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
MU-MIMO---

Bluetooth

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

Version5.15.05.15.1
FeaturesA2DP
LE
A2DP
EDR
HID
LE
A2DP
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
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
Tethering
NFC
VoLTE
Computer sync
OTA sync
Tethering
VoLTE
Computer sync
Tethering
VoLTE
Computer sync
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
aptX
aptX HD
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC
TWS+
SBC
AAC
AAC+
AMR
AMR-WB
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC
AAC
AAC+
AMR
AMR-WB
aptX
aptX HD
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LHDC
SBC
AAC
AAC+
AMR
AMR-WB
aptX
aptX HD
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC
SBC

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
MP4
WebM
WMV
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.

Capacity4020 mAh5000 mAh4040 mAh5000 mAh
TypeLi-PolymerLi-PolymerLi-IonLi-Ion
Charger output power5 V / 6 A5 V / 6 A5 V / 2 A5 V / 2 A
Quick charge technology-VOOC 4.0--
FeaturesFast charging
Non-removable
Fast charging
Non-removable
Fast charging
Non-removable
Fast charging
Non-removable
 Oppo K7 5GOppo K7xOppo A53 5GOppo A55