Screen size
K31Winner: 5.7"+3.5%
X power 35.5"
Quick verdict
K31 leads the measured specs 8-2.
Measured wins
K31
8
spec wins
Overall winner
Ties
8
equal specs
X power 3
2
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
X power 3
GSM / HSPA / LTE
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
X power 3
GSM 850 / 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
X power 3
HSDPA 850 / 1700(AWS) / 1900 / 2100
4G bands
K31
2, 4, 5, 12, 13, 25, 26, 41, 66, 71
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
Main camera
equal specsFront camera
equal specsBattery
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
X power 3
2, 4, 5, 7, 12, 13, 17, 66
Speed
K31
HSPA, LTE
X power 3
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced
K31
2020, August 21. Released 2020, August 21
X power 3
2018, July. Released 2018, July 16
Status
K31
Discontinued
X power 3
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
X power 3
154.7 x 78.1 x 8.9 mm (6.09 x 3.07 x 0.35 in)
Weight
K31
146 g (5.15 oz)
X power 3
171 g (6.03 oz)
SIM
K31
Nano-SIM + Nano-SIM
X power 3
Nano-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
X power 3
-
Build
K31
-
X power 3
Glass front, plastic back, plastic frame
Type
K31
IPS LCD
X power 3
IPS LCD
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
X power 3
5.5 inches, 83.4 cm2 (~69.0% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
X power 3
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
OS
K31
Android 10, LG UX 9.1
X power 3
Android 8.1 (Oreo)
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
X power 3
Qualcomm MSM8917 Snapdragon 425 (28 nm)
CPU
K31
Octa-core 2.0 GHz Cortex-A53
X power 3
Quad-core 1.4 GHz Cortex-A53
GPU
K31
PowerVR GE8320
X power 3
Adreno 308
Card slot
K31
microSDXC
X power 3
microSDXC (dedicated slot)
Internal
K31
32GB 2GB RAM
X power 3
16GB 2GB RAM
Other
K31
eMMC 5.1
X power 3
eMMC 5.1
Dual
K31
13 MP, f/1.8, 27mm (wide), 1/3.1", 1.12µm, PDAF 5 MP, f/2.2, 120˚ (ultrawide), 1/5.0", 1.12µm
X power 3
-
Features
K31
LED flash, panorama, HDR
X power 3
LED flash, HDR
Video
K31
1080p@30fps
X power 3
1080p@30fps
Single
K31
-
X power 3
13 MP, AF
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
X power 3
5 MP
Video
K31
1080p@30fps
X power 3
Features
K31
-
X power 3
LED flash
Loudspeaker
K31
Yes
X power 3
Yes
3.5mm jack
K31
Yes
X power 3
Yes
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
X power 3
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
K31
5.0, A2DP, LE
X power 3
4.2, A2DP, LE
Positioning
K31
GPS
X power 3
GPS, GLONASS
NFC
K31
No
X power 3
No
Radio
K31
No
X power 3
FM radio
USB
K31
microUSB 2.0
X power 3
microUSB 2.0
Sensors
K31
Fingerprint (rear-mounted), accelerometer
X power 3
Fingerprint (rear-mounted), accelerometer, proximity
Type
K31
Li-Ion 3000 mAh
X power 3
Li-Po 4500 mAh
Charging
K31
-
X power 3
10W wired, 50% in 60 min
Colors
K31
Gray
X power 3
Moroccan Blue
Models
K31
LM-K300Q, LMK300, LGL355DL
X power 3
LMX510WM, LM-X510WM
Price
K31
About 130 EUR
X power 3
About 180 EUR
SAR
K31
-
X power 3
1.22 W/kg (head) 1.00 W/kg (body)