Screen size
Armor X5.5"
Armor X31Winner: 6.6"+16%
Quick verdict
Armor X31 leads the measured specs 14-2.
Measured wins
Armor X
2
spec wins
Ties
5
equal specs
Armor X31
14
spec wins
Overall winner
Screen size
Technology
Armor X
GSM / HSPA / LTE
Armor X31
GSM / CDMA / HSPA / LTE
2G bands
Armor X
GSM 850 / 900 / 1800 / 1900
Armor X31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
3G bands
Armor X
HSDPA 850 / 900 / 2100
Armor X31
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Armor X
1, 3, 7, 8, 20
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
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66, 71
Speed
Armor X
HSPA 21.1/5.76 Mbps, LTE Cat4 150/75 Mbps
Armor X31
HSPA, LTE
Announced
Armor X
2018, April. Released 2018, April
Armor X31
2025, April
Status
Armor X
Discontinued
Armor X31
Available. Released 2025, April
Dimensions
Armor X
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 X
256 g (9.03 oz)
Armor X31
305.5 g (10.79 oz)
SIM
Armor X
Nano-SIM + Nano-SIM
Armor X31
Nano-SIM + Nano-SIM
Other
Armor X
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 X
IPS LCD
Armor X31
IPS LCD, 90Hz, 600 nits
Size
Armor X
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 X
720 x 1440 pixels, 18:9 ratio (~293 ppi density)
Armor X31
720 x 1612 pixels, 20:9 ratio (~269 ppi density)
Protection
Armor X
-
Armor X31
Corning Gorilla Glass 5, Mohs level 4
OS
Armor X
Android 8.1 (Oreo)
Armor X31
Android 14
Chipset
Armor X
Mediatek MT6739 (28 nm)
Armor X31
Mediatek Helio G91 (12 nm)
CPU
Armor X
Quad-core 1.5 GHz Cortex-A53
Armor X31
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU
Armor X
PowerVR GE8100
Armor X31
Mali-G52 MC2
Card slot
Armor X
microSDXC (uses shared SIM slot)
Armor X31
microSDXC (dedicated slot)
Internal
Armor X
16GB 2GB RAM
Armor X31
128GB 6GB RAM
Other
Armor X
eMMC 5.1
Armor X31
UFS 2.1
Dual
Armor X
8 MP, f/1.8, (wide), AF 5 MP
Armor X31
-
Features
Armor X
Dual-LED flash, HDR
Armor X31
LED flash, HDR, panorama
Video
Armor X
720p@30fps
Armor X31
1440p@30fps, 1080p@30fps
Triple
Armor X
-
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 X
5 MP
Armor X31
16 MP, f/2.3, (wide), 1.0µm
Video
Armor X
720p@30fps
Armor X31
1080p@30fps
Loudspeaker
Armor X
Yes
Armor X31
Yes
3.5mm jack
Armor X
Yes
Armor X31
Yes
WLAN
Armor X
Wi-Fi 802.11 a/b/g/n, dual-band
Armor X31
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
Armor X
4.1, A2DP
Armor X31
5.2, A2DP, LE
Positioning
Armor X
GPS
Armor X31
GPS, GLONASS, GALILEO, BDS
NFC
Armor X
Yes
Armor X31
Yes
Radio
Armor X
Stereo FM radio, RDS, recording
Armor X31
Wireless FM radio
USB
Armor X
microUSB 2.0
Armor X31
USB Type-C 2.0, OTG
Infrared port
Armor X
-
Armor X31
Yes
Sensors
Armor X
Fingerprint (side-mounted), accelerometer, proximity, compass
Armor X31
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
Type
Armor X
Li-Po 5500 mAh
Armor X31
Li-Po 6050 mAh
Charging
Armor X
10W wired
Armor X31
18W wired
Colors
Armor X
Dark Gray, Rose Gold
Armor X31
Black, Black/Orange, Black/Green
Price
Armor X
-
Armor X31
About 130 EUR