Ulefone Armor X31 Pro vs Ulefone Armor 21

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Overview

Specs Score82 / 10083 / 100
Better Specs
Display Resolution720 x 1612 pixels1080 x 2408 pixels
Better Resolution
CPU Clock Speed2.4 GHz
Faster Clock Speed
2.2 GHz
Weight306 g
Lighter
400 g
Thickness13.7 mm
Slimmer
18.1 mm
Battery6050 mAh9600 mAh
Bigger Battery
Unique Features
5G
Reverse Charging
No
No

General

ModelArmor 21
Sim TypeDual Sim, GSM+GSMDual Sim, GSM+GSM
Dual SimYesYes
Sim SizeNano+Nano SIMNano+Nano SIM
Device TypeSmartphone
Release Date2024, December 21, Available. Released 2025, January 01May 30, 2023

Design

Dimensions82 x 173.8 x 13.7 mm81.6 x 176 x 18.1 mm
Weight306 g400 g
Bezel lessNo
ColorsBlack, Black/Orange, Black/GreenBlack

Display

TypeColor IPS Screen (16M Colors)Color IPS Screen (16M Colors)
TouchYesYes
Size6.56 inches, 720 x 1612 pixels6.58 inches, 1080 x 2408 pixels, 120 Hz
Aspect Ratio20:9
PPI~ 269 PPI~ 401 PPI
Screen to Body Ratio~ 72.5%~ 72.6%
Glass TypeCorning Gorilla Glass 5
NotchYes, Punch HoleYes, Water Drop Notch

Memory

RAM8 GB8 GB
Storage256 GB256 GB
Card SlotYesYes, upto 2 TB

Connectivity

GPRSYesYes
EDGEYesYes
3GYesYes
4GYesYes
5GYes
VoLTEYes, Dual Stand-By
WifiYesYes, with wifi-hotspot
Wifi Version802.11 a/ac/b/g/n
BluetoothYes, v5.2Yes, v5.2
USBYes, USB-C v2.0Yes, USB-C v2.0
USB FeaturesUSB Tethering, USB on-the-go, USB Charging
IR BlasterYesYes

Extra

GPSYes
Fingerprint SensorYesYes, Side
Face UnlockYes
SensorsAccelerometer, Gyro, Proximity, Compassaccelerometer, proximity, compass, gyro, barometer
3.5mm Headphone JackYesYes
NFCYesYes
Water ResistanceYes, 1.5 m upto 30 minYes, 1.5 m upto 30 min
IP RatingIP68IP68
Dust ResistantYesYes
Extra FeaturesRugged BodyRugged Body

Camera

Rear Camera64 MP ƒ/1.9 (Wide Angle)
25 MP ƒ/1.8
2 MP (Macro)
64 MP ƒ/1.9 (Wide Angle)
0.8µm, PDAF
24 MP ƒ/1.8
2 infrared night vision lights, night vision
Camera SensorSONY IMX686 Sensor
Auto FocusYesYes
FeaturesHDR, PanoramaNormal mode, Night Vision Mode, Film Mode, 64MP Mode, Night Mode, Beauty Mode, Gif, Portrait, Pro Mode, Panorama mode, Slow Motion, Time Lapse, Intelligent Scanning, HDR, Filters, AI scene detection, Location info, Brand watermark, Camera mute, Touch shooting, Self timer, Grid line, Volume key feature, Anti flicker, Long press
Video Recording1440p @ 30 fps QHD, 1080p @ 30 fps FHD2K @ 30 fps QHD, 1080p @ 30 fps FHD
FlashYes, LEDYes, LED
Front Camera16 MP ƒ/2.3 (Wide Angle)
Punch Hole
16 MP ƒ/2.2 (Wide Angle)
1.0µm
Front Video Recording1080p @ 30 fps FHD1080p @ 30 fps FHD

Technical

OSAndroid v14Android v13
ChipsetMediatek Dimensity 6300Mediatek Helio G99
CPU2.4 GHz, Octa Core Processor2.2 GHz, Octa Core Processor
Core Details2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz2xCortex-A76@2.2 GHz & 6xCortex-A55@2.0 GHz
GPUMali-G57 MC2Mali-G57 MC2
JavaNoNo
BrowserYesYes

Multimedia

EmailYesYes
MusicYesYes
VideoYesYes
FM RadioYesYes, with FM Recording

Battery

TypeNon-Removable BatteryNon-Removable Battery
Size6050 mAh9600 mAh, Li-ion Battery
Fast ChargingYesYes, 33W
Reverse ChargingYes

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