Screen size
K31Winner: 5.7"+30%
L504.0"
Quick verdict
K31 leads the measured specs 10-3.
Measured wins
K31
10
spec wins
Overall winner
Ties
4
equal specs
L50
3
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
L50
GSM / HSPA
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
L50
GSM 850 / 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
L50
HSDPA 900 / 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
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
L50
-
Speed
K31
HSPA, LTE
L50
HSPA 21.1/5.76 Mbps
Announced
K31
2020, August 21. Released 2020, August 21
L50
2014, July. Released 2014, July
Status
K31
Discontinued
L50
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
L50
124.5 x 65.4 x 12.2 mm (4.90 x 2.57 x 0.48 in)
Weight
K31
146 g (5.15 oz)
L50
142 g (5.01 oz)
SIM
K31
Nano-SIM + Nano-SIM
L50
Micro-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
L50
-
Type
K31
IPS LCD
L50
TFT
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
L50
4.0 inches, 45.5 cm2 (~55.9% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
L50
480 x 800 pixels, 5:3 ratio (~233 ppi density)
OS
K31
Android 10, LG UX 9.1
L50
Android 4.4.2 (KitKat)
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
L50
Mediatek MT6572 (28 nm)
CPU
K31
Octa-core 2.0 GHz Cortex-A53
L50
Dual-core 1.3 GHz Cortex-A7
GPU
K31
PowerVR GE8320
L50
Mali-400
Card slot
K31
microSDXC
L50
microSDHC (dedicated slot)
Internal
K31
32GB 2GB RAM
L50
4GB 512MB RAM
Other
K31
eMMC 5.1
L50
-
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
L50
-
Features
K31
LED flash, panorama, HDR
L50
LED flash, panorama
Video
K31
1080p@30fps
L50
480p
Single
K31
-
L50
3.15 MP
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
L50
VGA
Video
K31
1080p@30fps
L50
Loudspeaker
K31
Yes
L50
Yes
3.5mm jack
K31
Yes
L50
Yes
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
L50
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Bluetooth
K31
5.0, A2DP, LE
L50
4.0, A2DP
Positioning
K31
GPS
L50
GPS, GLONASS
NFC
K31
No
L50
Yes
Radio
K31
No
L50
FM radio, recording
USB
K31
microUSB 2.0
L50
microUSB 2.0
Sensors
K31
Fingerprint (rear-mounted), accelerometer
L50
Accelerometer, proximity, compass
Type
K31
Li-Ion 3000 mAh
L50
Li-Ion 1900 mAh, removable
Colors
K31
Gray
L50
Black, White
Models
K31
LM-K300Q, LMK300, LGL355DL
L50
L50, D213
Price
K31
About 130 EUR
L50
About 100 EUR
SAR EU
K31
-
L50
1.12 W/kg (head) 0.78 W/kg (body)