Comparison between:
- Oukitel WP23 Pro
- Ulefone Armor 21
- Unihertz Tank
- Ulefone Power Armor 13

Brand and model

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

Oukitel WP23 ProUlefone Armor 21Unihertz TankUlefone Power Armor 13
Oukitel WP23 Pro
Prices
Ulefone Armor 21
Prices
Unihertz Tank
Prices
Ulefone Power Armor 13
Prices
Model alias---Power Armor13

Design

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

Width80 mm
8 cm
0.262 ft
3.15 in
81.6 mm
8.16 cm
0.268 ft
3.213 in
85.4 mm
8.54 cm
0.28 ft
3.362 in
85.3 mm
8.53 cm
0.28 ft
3.358 in
Height160 mm
16 cm
0.525 ft
6.299 in
176 mm
17.6 cm
0.577 ft
6.929 in
175.6 mm
17.56 cm
0.576 ft
6.913 in
183.7 mm
18.37 cm
0.603 ft
7.232 in
Thickness10 mm
1 cm
0.033 ft
0.394 in
18.1 mm
1.81 cm
0.059 ft
0.713 in
24.6 mm
2.46 cm
0.081 ft
0.969 in
20.8 mm
2.08 cm
0.068 ft
0.819 in
Weight355 g
0.78 lbs
12.52 oz
400 g
0.88 lbs
14.11 oz
553 g
1.22 lbs
19.51 oz
492 g
1.08 lbs
17.35 oz
Volume128 cm³
7.77 in³
259.94 cm³
15.79 in³
368.91 cm³
22.4 in³
325.93 cm³
19.79 in³
ColorsMidnight Black
Vibrant Orange
Navy Green
BlackBlackBlack
Body materialsMetal
Polycarbonate
TPU
Polycarbonate
TPU
Metal
Metal
Polycarbonate
TPU
Polycarbonate
TPU
Aluminium alloy
CertificationIP68
IP69K
MIL-STD-810H
IP68
IP69K
MIL-STD-810H
IP68
MIL-STD-810H
IP68
IP69K
MIL-STD-810G

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
Nano-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 (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 1900 MHz (BC1)
-
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)
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)
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)
TD-SCDMATD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
---
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-TDD 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
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)
LTE-FDD 700 MHz (B12)
LTE-FDD 700 MHz (B13)
LTE-FDD 700 MHz (B17)
LTE-FDD 700 MHz (B28)
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 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)
LTE-FDD 700 MHz (B12)
LTE-FDD 700 MHz (B13)
LTE-FDD 700 MHz (B17)
LTE-FDD 700 MHz (B28)
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 1700 MHz (B66)
LTE-FDD 1800 MHz (B3)
LTE-FDD 1900 MHz (B2)
LTE-FDD 1900 MHz (B25)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
LTE-TDD 2300 MHz (B40)
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 Cat 4
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE
EV-DO Rev. A
TD-SCDMA
UMTS
EDGE
GPRS
HSPA+
LTE
UMTS
EDGE
GPRS
HSPA+
LTE
EV-DO Rev. A

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 13Android 13Android 12Android 11

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.

SoCUnisoc Tiger T606MediaTek Helio G99 (MT6789)MediaTek Helio G99 (MT6789)MediaTek Helio G95 (MT6785V/CD)
Process technology12 nm6 nm6 nm12 nm
CPU2x 1.6 GHz ARM Cortex-A75, 6x 1.6 GHz ARM Cortex-A552x 2.2 GHz ARM Cortex-A76, 6x 2.0 GHz ARM Cortex-A552x 2.2 GHz ARM Cortex-A76, 6x 2.0 GHz ARM Cortex-A552x 2.05 GHz ARM Cortex-A76, 6x 2.0 GHz ARM Cortex-A55
CPU bits64 bit64 bit64 bit64 bit
Instruction setARMv8.2-AARMv8.2-AARMv8.2-AARMv8.2-A
CPU cores8888
CPU frequency1600 MHz2200 MHz2200 MHz2050 MHz
GPUARM Mali-G57 MP1ARM Mali-G57 MC2ARM Mali-G57 MC2ARM Mali-G76 MC4
GPU cores1224
GPU frequency650 MHz1000 MHz1000 MHz900 MHz
RAM capacity8 GB8 GB8 GB8 GB
RAM typeLPDDR4XLPDDR4XLPDDR4XLPDDR4X
RAM channelsDouble channelDouble channelDouble channelDouble channel
RAM frequency1600 MHz2133 MHz2133 MHz2133 MHz
-Virtual RAM expansion - 8GB--

Storage

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

Storage128 GB256 GB256 GB256 GB
-UFS 2.1UFS 2.2UFS 2.1

Memory cards

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

TypesmicroSD
microSDHC
microSDXC
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/technologyIPSIPSIPSIPS
Diagonal size6.52 in
165.61 mm
16.56 cm
6.58 in
167.13 mm
16.71 cm
6.81 in
172.97 mm
17.3 cm
6.81 in
172.97 mm
17.3 cm
Width2.68 in
67.96 mm
6.8 cm
2.69 in
68.4 mm
6.84 cm
2.79 in
70.98 mm
7.1 cm
2.79 in
70.98 mm
7.1 cm
Height5.95 in
151.02 mm
15.1 cm
6 in
152.5 mm
15.25 cm
6.21 in
157.74 mm
15.77 cm
6.21 in
157.74 mm
15.77 cm
Aspect ratio2.222:12.23:12.222:12.222:1
Resolution720 x 1600 pixels1080 x 2408 pixels1080 x 2400 pixels1080 x 2400 pixels
Pixel density269 ppi
105 ppcm
401 ppi
157 ppcm
386 ppi
151 ppcm
386 ppi
151 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area80.44 %72.86 %74.9 %71.69 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
2.5D curved glass screen
400 cd/m²
Corning Gorilla Glass 5 - 1.1 mm
Oleophobic coating
120 Hz refresh rate
240 Hz touch sampling rate
550 cd/m² maximum brightness
Panda MN228 GlassOleophobic coating

Sensors

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

SensorsProximity
Light
Accelerometer
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Barometer
Pedometer
Thermometer
Geomagnetic
Magnetometer
Fingerprint
Gravity
Coulomb counter
Proximity
Light
Accelerometer
Compass
Gyroscope
Barometer
Pedometer
Geomagnetic
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Barometer
Pedometer
Altimeter
Geomagnetic
Fingerprint
-Side-mounted fingerprint sensorSide-mounted fingerprint sensorInfrared rangefinder
Side-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 IMX135 Exmor RSSony IMX686 Exmor RSSamsung S5KHM2Samsung S5KGM1
Sensor typeCMOSCMOS BSIISOCELLISOCELL
Sensor size--5.98 x 4.49 mm
0.29 in
-
Sensor format--1/1.52"1/2"
Pixel size-0.8 µm
0.000800 mm
0.7 µm
0.000700 mm
0.8 µm
0.000800 mm
Crop factor--5.79-
ISO--100 - 16000100 - 16000
Aperture-f/1.9f/1.75f/1.8
Field of view-85 °-83.3 °
Number of lenses-6-6
Flash typeDual LEDLEDLEDLED
Image resolution4130 x 3120 pixels
12.89 MP
9216 x 6912 pixels
63.7 MP
12000 x 9000 pixels
108 MP
8000 x 6000 pixels
48 MP
Video resolution1920 x 1080 pixels
2.07 MP
2560 x 1440 pixels
3.69 MP
2560 x 1440 pixels
3.69 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
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
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
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Macro mode
Phase detection autofocus (PDAF)
Underwater Photography
Secondary rear camera - 2 MP (macro)
Aperture size - f/2.2 (#2)
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)
Pixel size - 2.1 μm (9-in-1 pixel binning)
Secondary rear camera - 20 MP (night vision)
Sensor model - Sony IMX350 (#2)
Sensor size - 1/2.78" (#2)
Aperture size - f/1.8 (#2)
Dual IR lights (#2)
Third rear camera - 2 MP (macro)
Sensor model - OmniVision OV2680 (#3)
Sensor size - 1/5" (#3)
Pixel size - 1.75 μm (#3)
Aperture size - f/2.4 (#3)
Also available with a Sony IMX582 Exmor RS sensor
Penta-LED flash
Secondary rear camera - 8 MP (ultra-wide-angle)
Sensor model - Samsung S5K4H7 (#2)
Angle of view - 120° (#2)
Aperture size - f/2.2 (#2)
Third rear camera - 2 MP (macro)
Sensor model - GalaxyCore GC02M2 (#3)
Angle of view - 75° (#2)
Aperture size - f/2.6 (#2)
Fourth rear camera - 2 MP (depth-sensing)
Sensor model - GalaxyCore GC02M2 (#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 model-Sony IMX481Samsung S5KGD1Samsung S5K3P3
Sensor typeCMOSCMOS BSIISOCELLISOCELL
Sensor size--5.25 x 3.94 mm
0.26 in
4.67 x 3.5 mm
0.23 in
Sensor format-1/3.09"1/2.8"1/3.06"
Pixel size-1 µm
0.001000 mm
0.8 µm
0.000800 mm
1 µm
0.001000 mm
Crop factor--6.597.41
ISO--100 - 16000-
Aperturef/2.2f/2.2f/2f/2.2
Field of view-76.6 °--
Number of lenses-5-5
Image resolution2560 x 1944 pixels
4.98 MP
4608 x 3456 pixels
15.93 MP
6560 x 4928 pixels
32.33 MP
5312 x 2988 pixels
15.87 MP
Video resolution1280 x 720 pixels
0.92 MP
2520 x 1440 pixels
3.63 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps30 fps
FeaturesFace unlockFace unlock
HDR
Face detection
Face unlock
Face detection
Face unlock
HDR
Face detection
--Pixel size - 1.0 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
-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.

RadioYesYesYesYes

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
GPS
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
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

Bluetooth

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

Version5.05.25.35.0
FeaturesA2DP
LE
A2DP
LE
A2DP
EDR
LE
HS
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
OTA sync
Tethering
NFC
VoLTE
Computer sync
OTA sync
Infrared
Tethering
NFC
VoLTE
Computer sync
OTA sync
Infrared
Tethering
NFC
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
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
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
AMR-WB
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
ALAC
APE
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
H.263
H.264
MP4
WebM
Xvid
3GPP
AVI
H.263
H.264
H.265
MKV
MP4
WebM
WMV
Xvid
3GPP
AVI
DivX
Flash Video
H.263
H.264
MKV
QuickTime
MP4
WebM
WMV
Xvid
FLV
ASF
RM
MOV
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.

Capacity10600 mAh9600 mAh22000 mAh13200 mAh
TypeLi-PolymerLi-PolymerLi-PolymerLi-Polymer
2G talk time---17 h
1020 min
0.7 days
2G stand-by time---600 h
36000 min
25 days
4G talk time55 h
3300 min
2.3 days
39 h
2340 min
1.6 days
150 h
9000 min
6.3 days
11 h
660 min
0.5 days
4G stand-by time1000 h
60000 min
41.7 days
522 h
31320 min
21.8 days
2380 h
142800 min
99.2 days
370 h
22200 min
15.4 days
Charger output power9 V / 2 A11 V / 3 A11 V / 6 A
20 V / 3.25 A
15 V / 3 A
12 V / 3 A
9 V / 3 A
5 V / 3 A
9 V / 3 A
11 V / 3 A
FeaturesFast charging
Non-removable
Fast charging
Non-removable
Fast charging
Non-removable
Wireless charging
Fast charging
Non-removable
-Dock charging - 10 W-Qi wireless charging - 15W
Reverse wireless charging - 5W

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)-0.638 W/kg0.155 W/kg0.417 W/kg
Body SAR (EU)-0.947 W/kg0.683 W/kg1.392 W/kg
Head SAR (USA)--0.227 W/kg-
Body SAR (USA)--0.793 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
1200-Lumen Camping LightEndoscope supported
Customizable button
 Oukitel WP23 ProUlefone Armor 21Unihertz TankUlefone Power Armor 13