Ulefone Armor X31 Pro vs Ulefone Armor 21

Here you can compare Ulefone Armor X31 Pro and Ulefone Armor 21. Comparing Ulefone Armor X31 Pro vs Ulefone Armor 21 on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Ulefone Armor X31 Pro stands against Ulefone Armor 21 and which one should you buy The current lowest price found for Ulefone Armor X31 Pro is ₹16,990 and for Ulefone Armor 21 is ₹16,499. The details of both of these products were last updated on Sep 16, 2026.

Specification	Ulefone Armor X31 Pro	Ulefone Armor 21
CPU	2.4 GHz, Octa Core Processor	2.2 GHz, Octa Core Processor
Rear Camera	64 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
Internal Memory	256 GB	256 GB
OS	Android v14	Android v13
RAM	8 GB	8 GB
Price	₹16,990	₹16,499

Ulefone Armor X31 Pro₹16,990

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Ulefone Armor 21₹16,499

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Ulefone Armor X31 Pro₹16,990

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Ulefone Armor 21₹16,499

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Overview

Specs Score	58 / 100	62 / 100 Better Specs
Display Resolution	720 x 1612 pixels	1080 x 2408 pixels Better Resolution
CPU Clock Speed	2.4 GHz Faster Clock Speed	2.2 GHz
Weight	306 g Lighter	400 g
Thickness	13.7 mm Slimmer	18.1 mm
Battery	6050 mAh	9600 mAh Bigger Battery
Unique Features	5G Reverse Charging	No No

General

Model		Armor 21
Sim Type	Dual Sim, GSM+GSM	Dual Sim, GSM+GSM
Dual Sim	Yes	Yes
Sim Size	Nano+Nano SIM	Nano+Nano SIM
Device Type		Smartphone
Release Date	2024, December 21, Available. Released 2025, January 01	May 30, 2023

Design

Dimensions	82 x 173.8 x 13.7 mm	81.6 x 176 x 18.1 mm
Weight	306 g	400 g
Bezel less	No
Colors	Black, Black/Orange, Black/Green	Black

Display

Type	Color IPS Screen (16M Colors)	Color IPS Screen (16M Colors)
Touch	Yes	Yes
Size	6.56 inches, 720 x 1612 pixels	6.58 inches, 1080 x 2408 pixels, 120 Hz
Aspect Ratio		20:9
PPI	~ 269 PPI	~ 401 PPI
Screen to Body Ratio	~ 72.5%	~ 72.6%
Glass Type	Corning Gorilla Glass 5
Notch	Yes, Punch Hole	Yes, Water Drop Notch

Memory

RAM	8 GB	8 GB
Storage	256 GB	256 GB
Card Slot	Yes	Yes, upto 2 TB

Connectivity

GPRS	Yes	Yes
EDGE	Yes	Yes
3G	Yes	Yes
4G	Yes	Yes
5G	Yes
VoLTE		Yes, Dual Stand-By
Wifi	Yes	Yes, with wifi-hotspot
Wifi Version		802.11 a/ac/b/g/n
Bluetooth	Yes, v5.2	Yes, v5.2
USB	Yes, USB-C v2.0	Yes, USB-C v2.0
USB Features		USB Tethering, USB on-the-go, USB Charging
IR Blaster	Yes	Yes

Extra

GPS		Yes
Fingerprint Sensor	Yes	Yes, Side
Face Unlock		Yes
Sensors	Accelerometer, Gyro, Proximity, Compass	accelerometer, proximity, compass, gyro, barometer
3.5mm Headphone Jack	Yes	Yes
NFC	Yes	Yes
Water Resistance	Yes, 1.5 m upto 30 min	Yes, 1.5 m upto 30 min
IP Rating	IP68	IP68
Dust Resistant	Yes	Yes
Extra Features	Rugged Body	Rugged Body

Camera

Rear Camera	64 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 Sensor		SONY IMX686 Sensor
Auto Focus	Yes	Yes
Features	HDR, Panorama	Normal 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 Recording	1440p @ 30 fps QHD, 1080p @ 30 fps FHD	2K @ 30 fps QHD, 1080p @ 30 fps FHD
Flash	Yes, LED	Yes, LED
Front Camera	16 MP ƒ/2.3 (Wide Angle) Punch Hole	16 MP ƒ/2.2 (Wide Angle) 1.0µm
Front Video Recording	1080p @ 30 fps FHD	1080p @ 30 fps FHD

Technical

OS	Android v14	Android v13
Chipset	Mediatek Dimensity 6300	Mediatek Helio G99
CPU	2.4 GHz, Octa Core Processor	2.2 GHz, Octa Core Processor
Core Details	2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz	2xCortex-A76@2.2 GHz & 6xCortex-A55@2.0 GHz
GPU	Mali-G57 MC2	Mali-G57 MC2
Java	No	No
Browser	Yes	Yes

Multimedia

Email	Yes	Yes
Music	Yes	Yes
Video	Yes	Yes
FM Radio	Yes	Yes, with FM Recording

Battery

Type	Non-Removable Battery	Non-Removable Battery
Size	6050 mAh	9600 mAh, Li-ion Battery
Fast Charging	Yes	Yes, 33W
Reverse Charging	Yes

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