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Ulefone Armor 21 vs Ulefone Armor X31 Pro

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Ulefone Armor 21
Total value: 9,50
User opinions: 1
Ulefone Armor X31 Pro
Total value: 0,00
User opinions: 0
Type TouchTouch
Waterproofness & dust-resistance IP68, IP69KIP68, IP69K
Dimensions 176.00 x 81.60 x 18.10 mm173.78 x 82.00 x 13.65 mm
Weight 400.00 g305.50 g
Display size 6.58" 6.56"
Display Color / IPS TFT
16M colors
120 Hz
1080 x 2408 px (6.58") 401 ppi		Color / IPS TFT
16,7M colors
120 Hz
720 x 1612 px (6.56") 269 ppi
Display protection
No
Buy screen protector icon_info
Corning Gorilla Glass
Buy screen protector icon_info
Additional display NoNo
Protection of the secondary display NoNo
Talk time (max.) 3G: 2340 min. (39.0 h)4G: 2040 min. (34.0 h)
Stand-by (max.) 3G: 522 h. (21.8 days)4G: 336 h. (14.0 days)
Playback time (max.) Audio: 30 h (1.3 days)
Video: 15 h (0.6 days)		Audio: 25 h (1.0 days)
Video: 8 h (0.3 days)
Standard battery Li-Po 9600 mAhBuy powerbank icon_infoLi-Po 6050 mAhBuy powerbank icon_info
Quick battery charging YesUSB Power Delivery
Wireless battery charging NoNo
Internal memory 256 GB256 GB
RAM memory 8 GB8 GB
Memory cards Yes
microSD, microSDHC, microSDXC
up to 2000 GBBuy memory card icon_info		Yes
microSD, microSDHC, microSDXC
up to 2000 GBBuy memory card icon_info
Operating system Android 13Android 14
Processor MediaTek Helio G99 MT6789MediaTek Dimensity 6300 MT6835T
Processor clock 2200 MHz2400 MHz
GPU ARM Mali-G57 MC2ARM Mali-G57 MC2
Touchscreen YesYes
DualSIM YesYes
SIM cards standard DualSIM(nanoSIM, nanoSIM) DualSIM(nanoSIM, nanoSIM)
DualSIM mode dual standbydual standby
Hybrid DualSIM NonanoSIM, microSD
Announced 2Q 20231Q 2025
Other names --
GSM frequencies 850 900 1800 1900 850 900 1800 1900
UMTS 850 900 1700 1900 2100 850 900 1700 1900 2100
LTE standard FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700
TDD LTE: 2600, 2500, 2300, 2100, 1900		FDD LTE: 2600, 2100, 1900, 1800, 1700, 1500, 900, 850, 800, 700, 600
TDD LTE: 2600, 2500, 2300, 2100, 1900
Standard 5G NoFDD 5G: 2600, 2100, 1900, 1800, 900, 850, 800, 700, 600
TDD 5G: 4700, 3700, 3500, 2600, 2500, 2300
CDMA NoNo
Standard TD-SCDMA NoNo
UMA NoNo
A D V E R T I S E M E N T
CAMERAS - BACK

CAMERAS - BACK

First camera YesYes
Camera type StandardStandard
Photo sensor model Sony IMX686Sony IMX682
Photo matrix 64 Mpx64 Mpx
Sensor size 1/1,71/1,73
Pixel size 0,8 µm0,8 µm
Resolution 9216x6912 px9248x6944 px
Optical zoom NoNo
Number of lenses 66
Field of view 85 °85 °
Flash Yes LEDYes LED
Dual-colour LED flash NoNo
Video resolution 1920x1440 pxNo data
Video formats H.264, H.265, MPEG4 - 30 fpsH.264, H.265, MPEG4 - 30 fps
Additional AF, f/1.9AF, f/1.9
Second camera YesYes
Photo sensor model OmniVision OV24A1BSony IMX550
Photo matrix 24 Mpx24 Mpx
Sensor size 1/2,831/2,78
Pixel size 0,9 µm0,9 µm
Resolution 5664x4248 px5760x4312 px
Optical zoom NoNo
Field of view 78 °77 °
Flash Yes LEDYes LED
Dual-colour LED flash NoNo
Video formats H.264, H.265, MPEG4 - 30 fpsNo data
Additional FF, f/1.8FF, f/1.8
Third camera NoYes
Camera type ndMacro
Photo sensor model ndOmniVision OV02B
Photo matrix nd2 Mpx
Sensor size nd1/5
Pixel size nd1,75 µm
Resolution nd1600x1200 px
Optical zoom ndNo
Flash ndYes LED
Dual-colour LED flash ndNo
Additional ndFF, f/2.4
Fourth camera NoYes
Photo sensor model ndSamsung S5K3P8
Photo matrix nd16 Mpx
Sensor size nd1/3,1
Pixel size nd1 µm
Resolution nd4640x3488 px
Optical zoom ndNo
Field of view nd73 °
Flash ndNo
Dual-colour LED flash ndNo
Additional ndf/2.25
CAMERAS - FRONT

CAMERAS - FRONT

First camera YesNo
Camera type Portraitnd
Photo sensor model Sony IMX481nd
Photo matrix 16 Mpxnd
Sensor size 1/3,09nd
Pixel size 1 µmnd
Resolution 4656x3496 pxnd
Optical zoom Nond
Number of lenses 5nd
Field of view 76 °nd
Flash Nond
Dual-colour LED flash Nond
Video resolution 1920x1440 pxnd
Video formats H.264, H.265, MPEG4 - 30 fpsnd
Additional FF, f/2.2nd
SENSORS

SENSORS

Accelerometer YesYes
Proximity YesNo
Light YesYes
Magnetometer YesYes
Gyroscope YesYes
Barometer YesNo
Altimeter NoNo
Gravity YesYes
Hall-effect NoNo
Iris scanner NoNo
Fingerprint scanner YesYes
Thermometer NoNo
Hygrometer NoNo
Data transfer

Data transfer

xHTML YesYes
WAP Yes
v2.0		Yes
v2.0
HSCSD NoNo
HSDPA Yes
42.20 Mbit/s		Yes
42.20 Mbit/s
HSUPA Yes
5.76 Mbit/s		Yes
11.52 Mbit/s
HSPA YesYes
HSPA+ YesYes
LTE DL YesYes
LTE UP YesYes
WIMAX+ NoNo
GPRS YesYes
EDGE YesYes
Bluetooth Yes
v5.2		Yes
v5.2
A2DP Profile YesYes
HDMI NoNo
WiFi Yes
v802.11 a/b/g/n/ac		Yes
v802.11 a/b/g/n/ac
WiFi frequencies 2,4 GHz; 5 GHz2,4 GHz; 5 GHz
WiFi Direct YesYes
WiFi Display YesYes
DLNA NoNo
Miracast NoNo
WiFi hotspot YesYes
IrDA YesYes
USB Yes
v2.0 Type-C		Yes
v2.0 Type-C
GPS YesYes
A-GPS YesYes
GLONASS YesYes
Beidou YesYes
Galileo YesYes
QZSS NoNo
NFC YesYes
COMMUNICATION AND MESSAGING

COMMUNICATION AND MESSAGING

Call waiting YesYes
Conferency YesYes
Call forwarding YesYes
Push To Talk NoNo
Instant Messenger YesYes
SMS YesYes
EMS NoNo
MMS YesYes
Dictionary Yes
T9		Yes
T9
Swype NoNo
e-mail client Yes
POP3, IMAP4, SMTP		Yes
POP3, IMAP4, SMTP
Hardware QWERTY keyboard NoNo
RSS Reader YesYes
Multimedia

Multimedia

Radio YesNo
MP3 YesYes
Stereo speakers NoNo
Audio Jack 3.5 mm3.5 mm
HD Voice YesYes
Sound formats AAC, AAC+, AMR, FLAC, MID, MKA, OGG, WAV, eAAC+AAC, AAC+, AMR, FLAC, MID, MKA, OGG, WAV, eAAC+
Polyphony YesYes
Video ringtone NoNo
Ring composer NoNo
Games NoNo
Java Yes
ART		Yes
ART
Videophone NoNo
DVB-H television NoNo
TV-Out NoNo
PIM AND ADDITIONAL FUNCTIONS

PIM AND ADDITIONAL FUNCTIONS

Watch YesYes
Stopwatch YesYes
Alarm YesYes
Calculator YesYes
Currency converter NoNo
Organizer YesYes
Calendar YesYes
Flight mode YesYes
SyncML NoNo
Data and fax YesYes
Screensaver YesYes
Themes YesYes
Interchangeable covers NoNo
Voice dial YesYes
Speakerphone YesYes
Recorder YesYes
Vibrations YesYes
Ulefone Armor 21
Total value: 9,50
Ulefone Armor X31 Pro
Total value: 0,00
A D V E R T I S E M E N T