Screen size
K31Winner: 5.7"+12%
X Skin5.0"
Quick verdict
K31 leads the measured specs 9-3.
Measured wins
K31
9
spec wins
Overall winner
Ties
5
equal specs
X Skin
3
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
X Skin
GSM / HSPA / LTE
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
X Skin
GSM 850 / 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
X Skin
HSDPA 850 / 900 / 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
Storage
Main camera
Front camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
X Skin
LTE
Speed
K31
HSPA, LTE
X Skin
HSPA, LTE
Announced
K31
2020, August 21. Released 2020, August 21
X Skin
2016, July. Released 2016, August
Status
K31
Discontinued
X Skin
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
X Skin
144.8 x 71.4 x 6.9 mm (5.70 x 2.81 x 0.27 in)
Weight
K31
146 g (5.15 oz)
X Skin
122 g (4.30 oz)
SIM
K31
Nano-SIM + Nano-SIM
X Skin
Micro-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
X Skin
-
Type
K31
IPS LCD
X Skin
IPS LCD
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
X Skin
5.0 inches, 68.9 cm2 (~66.7% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
X Skin
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
OS
K31
Android 10, LG UX 9.1
X Skin
Android 6.0 (Marshmallow)
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
X Skin
-
CPU
K31
Octa-core 2.0 GHz Cortex-A53
X Skin
Quad-core 1.3 GHz
GPU
K31
PowerVR GE8320
X Skin
-
Card slot
K31
microSDXC
X Skin
microSDHC (dedicated slot)
Internal
K31
32GB 2GB RAM
X Skin
16GB 1.5GB RAM
Other
K31
eMMC 5.1
X Skin
-
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 Skin
-
Features
K31
LED flash, panorama, HDR
X Skin
LED flash, HDR, panorama
Video
K31
1080p@30fps
X Skin
1080p@30fps
Single
K31
-
X Skin
8 MP, AF
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
X Skin
5 MP
Video
K31
1080p@30fps
X Skin
1080p@30fps
Loudspeaker
K31
Yes
X Skin
Yes
3.5mm jack
K31
Yes
X Skin
Yes
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
X Skin
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
K31
5.0, A2DP, LE
X Skin
4.1, A2DP, LE
Positioning
K31
GPS
X Skin
GPS, GLONASS
NFC
K31
No
X Skin
Yes
Radio
K31
No
X Skin
FM radio
USB
K31
microUSB 2.0
X Skin
microUSB 2.0
Sensors
K31
Fingerprint (rear-mounted), accelerometer
X Skin
Accelerometer, proximity, compass
Type
K31
Li-Ion 3000 mAh
X Skin
Li-Ion 2100 mAh, removable
Colors
K31
Gray
X Skin
Gold, Titanium
Models
K31
LM-K300Q, LMK300, LGL355DL
X Skin
F740L
Price
K31
About 130 EUR
X Skin
About 180 EUR