Screen size
K31Winner: 5.7"+8.8%
U5.2"
Quick verdict
U leads the measured specs 5-3.
Measured wins
K31
3
spec wins
Ties
9
equal specs
U
5
spec wins
Overall winner
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
U
GSM / HSPA / LTE
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
U
GSM 850 / 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
U
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
equal specsStorage
equal specsMain camera
equal specsFront camera
Battery
equal specsWired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
U
LTE
Speed
K31
HSPA, LTE
U
HSPA, LTE
Announced
K31
2020, August 21. Released 2020, August 21
U
2016, October. Released 2016, November
Status
K31
Discontinued
U
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
U
147.6 x 73.2 x 7.7 mm (5.81 x 2.88 x 0.30 in)
Weight
K31
146 g (5.15 oz)
U
135 g (4.76 oz)
SIM
K31
Nano-SIM + Nano-SIM
U
Nano-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
U
-
Type
K31
IPS LCD
U
IPS LCD
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
U
5.2 inches, 74.5 cm2 (~69.0% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
U
1080 x 1920 pixels, 16:9 ratio (~424 ppi density)
OS
K31
Android 10, LG UX 9.1
U
Android 6.0 (Marshmallow)
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
U
-
CPU
K31
Octa-core 2.0 GHz Cortex-A53
U
Octa-core 1.14 GHz
GPU
K31
PowerVR GE8320
U
-
Card slot
K31
microSDXC
U
microSDXC (dedicated slot)
Internal
K31
32GB 2GB RAM
U
32GB 2GB RAM
Other
K31
eMMC 5.1
U
-
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
U
-
Features
K31
LED flash, panorama, HDR
U
LED flash, HDR, panorama
Video
K31
1080p@30fps
U
1080p@30fps
Single
K31
-
U
13 MP, AF
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
U
8 MP
Video
K31
1080p@30fps
U
1080p@30fps
Loudspeaker
K31
Yes
U
Yes
3.5mm jack
K31
Yes
U
Yes
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
U
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
K31
5.0, A2DP, LE
U
4.0, A2DP, LE
Positioning
K31
GPS
U
GPS
NFC
K31
No
U
No
Radio
K31
No
U
No
USB
K31
microUSB 2.0
U
microUSB 2.0
Sensors
K31
Fingerprint (rear-mounted), accelerometer
U
Accelerometer, proximity, compass
Type
K31
Li-Ion 3000 mAh
U
Li-Ion 3000 mAh, non-removable
Colors
K31
Gray
U
White, black, pink
Models
K31
LM-K300Q, LMK300, LGL355DL
U
F820, U, F820L
Price
K31
About 130 EUR
U
-