Comparison between:
- Samsung Galaxy A53 5G
- Ulefone Armor 21

Brand and model

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

Samsung Galaxy A53 5GUlefone Armor 21
Samsung Galaxy A53 5GUlefone Armor 21
Prices
Model aliasSM-A536U
SM-A536U1
SM-A5360
SM-A536E
SM-A536E/DS
SM-A536B
-

Design

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

Width74.8 mm
7.48 cm
0.245 ft
2.945 in
81.6 mm
8.16 cm
0.268 ft
3.213 in
Height159.6 mm
15.96 cm
0.524 ft
6.283 in
176 mm
17.6 cm
0.577 ft
6.929 in
Thickness8.1 mm
0.81 cm
0.027 ft
0.319 in
18.1 mm
1.81 cm
0.059 ft
0.713 in
Weight189 g
0.42 lbs
6.67 oz
400 g
0.88 lbs
14.11 oz
Volume96.7 cm³
5.87 in³
259.94 cm³
15.79 in³
ColorsAwesome Peach
Awesome Blue
Awesome White
Awesome Black
Black
Body materialsPlasticPolycarbonate
TPU
Metal
CertificationIP67IP68
IP69K
MIL-STD-810H

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
Nano-SIM / microSD
Number of SIM cards22
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)

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)
W-CDMA-W-CDMA 850 MHz (B5)
W-CDMA 900 MHz (B8)
W-CDMA 1700 MHz (B4)
W-CDMA 1900 MHz (B2)
W-CDMA 2100 MHz (B1)
UMTSUMTS 850 MHz (B5)
UMTS 900 MHz (B8)
UMTS 1900 MHz (B2)
UMTS 2100 MHz (B1)
-
LTELTE-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-FDD 700 MHz (B12)
LTE-FDD 700 MHz (B17)
LTE-FDD 700 MHz (B28)
LTE-FDD 800 MHz (B20)
LTE-FDD 850 MHz (B5)
LTE-FDD 850 MHz (B19)
LTE-FDD 900 MHz (B8)
LTE-FDD 1700 MHz (B4)
LTE-FDD 1700 MHz (B66)
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)
5G NR5G-FDD 1800 MHz (n3)
5G-FDD 2100 MHz (n1)
5G-TDD 2500 MHz (n41)
5G-TDD 3500 MHz (n78)
5G-TDD 4700 MHz (n79)
-

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
5G NSA
5G SA
UMTS
EDGE
GPRS
HSPA+
LTE
EV-DO Rev. A
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)Android 12Android 13
User interface (UI)One UI 4.1-

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.

SoCExynos 1280MediaTek Helio G99 (MT6789)
Process technology5 nm6 nm
CPU2x 2.4 GHz ARM Cortex-A78, 6x 2.0 GHz ARM Cortex-A552x 2.2 GHz ARM Cortex-A76, 6x 2.0 GHz ARM Cortex-A55
CPU bits64 bit64 bit
Instruction setARMv8.4-AARMv8.2-A
CPU cores88
CPU frequency2400 MHz2200 MHz
GPUARM Mali-G68ARM Mali-G57 MC2
GPU cores-2
GPU frequency-1000 MHz
RAM capacity6 GB
8 GB
8 GB
RAM typeLPDDR4XLPDDR4X
RAM channelsDouble channelDouble channel
RAM frequency2133 MHz2133 MHz
-Virtual RAM expansion - 8GB

Storage

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

Storage128 GB
256 GB
256 GB
-UFS 2.1

Memory cards

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

TypesmicroSD
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/technologySuper AMOLEDIPS
Diagonal size6.5 in
165.1 mm
16.51 cm
6.58 in
167.13 mm
16.71 cm
Width2.67 in
67.75 mm
6.78 cm
2.69 in
68.4 mm
6.84 cm
Height5.93 in
150.56 mm
15.06 cm
6 in
152.5 mm
15.25 cm
Aspect ratio2.222:12.23:1
Resolution1080 x 2400 pixels1080 x 2408 pixels
Pixel density405 ppi
159 ppcm
401 ppi
157 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
Display area85.72 %72.86 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Corning Gorilla Glass 5
Infinity-O Display
120 Hz refresh rate
800 cd/m² peak brightness
Eye Comfort Shield
Corning Gorilla Glass 5 - 1.1 mm
Oleophobic coating
120 Hz refresh rate
240 Hz touch sampling rate
550 cd/m² maximum brightness

Sensors

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

SensorsLight
Accelerometer
Compass
Gyroscope
Geomagnetic
Fingerprint
Hall
Virtual Proximity Sensor
Proximity
Light
Accelerometer
Compass
Gyroscope
Barometer
Pedometer
Thermometer
Geomagnetic
Magnetometer
Fingerprint
Gravity
Coulomb counter
In-display 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 IMX682Sony IMX686 Exmor RS
Sensor typeCMOS BSICMOS BSI
Sensor format1/1.72"-
Pixel size0.8 µm
0.000800 mm
0.8 µm
0.000800 mm
ISO50 - 4000-
Aperturef/1.8f/1.9
Focal length and 35 mm equivalent5.23 mm
26 mm *(35 mm / full frame)
-
Field of view81 °85 °
Number of lenses66
Flash typeLEDLED
Image resolution9280 x 6920 pixels
64.22 MP
9216 x 6912 pixels
63.7 MP
Video resolution3840 x 2160 pixels
8.29 MP
2560 x 1440 pixels
3.69 MP
Video FPS30 fps30 fps
FeaturesAutofocus
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)
Autofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Macro mode
Phase detection autofocus (PDAF)
10x digital zoom
Pixel size - 1.6 μm (4-in-1 pixel binning)
Secondary rear camera - 12 MP (ultra-wide-angle)
Sensor model - Samsung S5K3L6 (#2)
Sensor size - 1/3.1" (#2)
Pixel size - 1.12 μm (#2)
Aperture size - f/2.2 (#2)
Angle of view - 123° (#2)
Third rear camera - 5 MP (macro)
Aperture size - f/2.4 (#3)
Pixel size - 1.12 μm (#3)
Fourth rear camera - 5 MP (depth-sensing)
Aperture size - f/2.4 (#4)
Pixel size - 1.12 μm (#4)
Secondary rear camera - 24 MP (Night Vision)
Sensor model - OmniVision OV24A1B (#2)
Angle of view - 78.1° (#2)
Aperture size - f/1.8 (#2)
Dual IR Lights (#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 modelSony IMX616Sony IMX481
Sensor typeCMOSCMOS BSI
Sensor format1/2.8"1/3.09"
Pixel size0.8 µm
0.000800 mm
1 µm
0.001000 mm
Aperturef/2.2f/2.2
Focal length and 35 mm equivalent3.72 mm-
Field of view26 °76.6 °
Number of lenses-5
Image resolution6528 x 5480 pixels
35.77 MP
4608 x 3456 pixels
15.93 MP
Video resolution3840 x 2160 pixels
8.29 MP
2520 x 1440 pixels
3.63 MP
Video FPS30 fps30 fps
FeaturesFace unlock
Face detection
Face unlock
HDR
Face detection

Audio

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

SpeakerLoudspeaker
Earpiece
Stereo speakers
Loudspeaker
Earpiece
Dolby Atmos
Sound by AKG
UHQ 24-bit
Infinite Halo with 18 RGB Lights
122 dB speaker
3.5W
11.5 CC sound cavity
Hi-Fi Sound

Radio

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

RadioNoYes

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

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

Bluetooth

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

Version5.15.2
FeaturesA2DP
AVRCP
DIP
HFP
HID
HSP
MAP
OPP
PAN
PBAP
HOGP
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-C
Version2.02.0
FeaturesCharging
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 jackNoYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
NFC
VoLTE
MST
Computer sync
OTA sync
Infrared
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

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
FLAC
M4A
MIDI
MP3
OGG
WAV
3GA
OGA
AWB
MID
XMF
MXMF
IMY
RTTTL
RTX
OTA
AAC
AAC+
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
MKV
MP4
M4V
3G2
FLV
WEBM
3GPP
AVI
H.263
H.264
H.265
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.

Capacity5000 mAh9600 mAh
TypeLi-IonLi-Polymer
4G talk time42 h
2520 min
1.8 days
39 h
2340 min
1.6 days
4G stand-by time-522 h
31320 min
21.8 days
Charger output power5 V / 5 A11 V / 3 A
FeaturesFast charging
Non-removable
Fast charging
Non-removable
-Dock charging - 10 W

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)0.885 W/kg0.638 W/kg
Body SAR (EU)1.597 W/kg0.947 W/kg
Head SAR (USA)0.75 W/kg-
Body SAR (USA)0.8 W/kg-
Simultaneous Body SAR (USA)1.58 W/kg-
Head SAR (India)0.34 W/kg-
Wi-Fi Hotspot SAR1.11 W/kg-
Simultaneous Wi-Fi SAR1.58 W/kg-

Additional features

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

Additional features-Customizable Key
uSmart Connector - endoscope
microscope
 Samsung Galaxy A53 5GUlefone Armor 21