Screen size
Armor X25.5"
Armor X31Winner: 6.6"+16%
Quick verdict
Armor X31 leads the measured specs 14-2.
Measured wins
Armor X2
2
spec wins
Ties
5
equal specs
Armor X31
14
spec wins
Overall winner
Screen size
Technology
Armor X2
GSM / HSPA
Armor X31
GSM / CDMA / HSPA / LTE
2G bands
Armor X2
GSM 850 / 900 / 1800 / 1900
Armor X31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
3G bands
Armor X2
HSDPA 900 / 2100
Armor X31
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
Speed
Armor X2
HSPA 21.1/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Armor X31
HSPA, LTE
4G bands
Armor X2
-
Armor X31
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66, 71
Announced
Armor X2
2018, December. Released 2018, December
Armor X31
2025, April
Status
Armor X2
Discontinued
Armor X31
Available. Released 2025, April
Dimensions
Armor X2
163 x 76.6 x 13.9 mm (6.42 x 3.02 x 0.55 in)
Armor X31
173.8 x 82 x 13.7 mm (6.84 x 3.23 x 0.54 in)
Weight
Armor X2
256 g (9.03 oz)
Armor X31
305.5 g (10.79 oz)
SIM
Armor X2
Nano-SIM + Nano-SIM
Armor X31
Nano-SIM + Nano-SIM
Other
Armor X2
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Drop resistant up to 1.2m MIL-STD-810G compliant
Armor X31
IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) Drop resistant up to 2m MIL-STD-810H compliant Dedicated flashlight 120 lm
Type
Armor X2
IPS LCD
Armor X31
IPS LCD, 90Hz, 600 nits
Size
Armor X2
5.5 inches, 78.1 cm2 (~62.5% screen-to-body ratio)
Armor X31
6.56 inches, 103.4 cm2 (~72.5% screen-to-body ratio)
Resolution
Armor X2
720 x 1440 pixels, 18:9 ratio (~293 ppi density)
Armor X31
720 x 1612 pixels, 20:9 ratio (~269 ppi density)
Protection
Armor X2
-
Armor X31
Corning Gorilla Glass 5, Mohs level 4
OS
Armor X2
Android 8.1 (Oreo)
Armor X31
Android 14
Chipset
Armor X2
Mediatek MT6580 (28 nm)
Armor X31
Mediatek Helio G91 (12 nm)
CPU
Armor X2
Quad-core 1.3 GHz Cortex-A7
Armor X31
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU
Armor X2
Mali-400
Armor X31
Mali-G52 MC2
Card slot
Armor X2
microSDXC (uses shared SIM slot)
Armor X31
microSDXC (dedicated slot)
Internal
Armor X2
16GB 2GB RAM
Armor X31
128GB 6GB RAM
Other
Armor X2
eMMC 5.1
Armor X31
UFS 2.1
Dual
Armor X2
8 MP, f/1.8, (wide), AF 5 MP
Armor X31
-
Features
Armor X2
Dual-LED flash, HDR
Armor X31
LED flash, HDR, panorama
Video
Armor X2
720p@30fps
Armor X31
1440p@30fps, 1080p@30fps
Triple
Armor X2
-
Armor X31
48 MP, f/1.8, (wide), 0.8µm, PDAF 20 MP, f/1.8, (night vision), 2 infrared lights 2 MP (macro)
Single
Armor X2
5 MP
Armor X31
16 MP, f/2.3, (wide), 1.0µm
Video
Armor X2
720p@30fps
Armor X31
1080p@30fps
Loudspeaker
Armor X2
Yes
Armor X31
Yes
3.5mm jack
Armor X2
Yes
Armor X31
Yes
WLAN
Armor X2
Wi-Fi 802.11 b/g/n
Armor X31
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
Armor X2
4.0, A2DP
Armor X31
5.2, A2DP, LE
Positioning
Armor X2
GPS
Armor X31
GPS, GLONASS, GALILEO, BDS
NFC
Armor X2
Yes
Armor X31
Yes
Radio
Armor X2
Stereo FM radio, RDS, recording
Armor X31
Wireless FM radio
USB
Armor X2
microUSB 2.0
Armor X31
USB Type-C 2.0, OTG
Infrared port
Armor X2
-
Armor X31
Yes
Sensors
Armor X2
Fingerprint (side-mounted), accelerometer, proximity
Armor X31
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
Type
Armor X2
Li-Po 5500 mAh
Armor X31
Li-Po 6050 mAh
Charging
Armor X2
10W wired
Armor X31
18W wired
Colors
Armor X2
Dark Gray, Rose Gold
Armor X31
Black, Black/Orange, Black/Green
Price
Armor X2
-
Armor X31
About 130 EUR