Screen size
K31Winner: 5.7"+51%
P5202.8"
Quick verdict
K31 leads the measured specs 13-1.
Measured wins
K31
13
spec wins
Overall winner
Ties
3
equal specs
P520
1
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
P520
GSM
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
P520
GSM 850 / 900 / 1800 / 1900 - SIM 1, GSM 900 / 1800 / 1900 - SIM 2
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
P520
-
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
SD card
equal specsStereo speakers
P520
-
Speed
K31
HSPA, LTE
P520
-
GPRS
K31
-
P520
Class 12
EDGE
K31
-
P520
Class 12
Announced
K31
2020, August 21. Released 2020, August 21
P520
2010, November. Released 2010, December
Status
K31
Discontinued
P520
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
P520
109.4 x 56.2 x 12.9 mm (4.31 x 2.21 x 0.51 in)
Weight
K31
146 g (5.15 oz)
P520
120 g (4.23 oz)
SIM
K31
Nano-SIM + Nano-SIM
P520
Dual SIM (Mini-SIM, dual stand-by)
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
P520
-
Type
K31
IPS LCD
P520
TFT resistive touchscreen, 256K colors
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
P520
2.8 inches, 24.3 cm2 (~39.5% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
P520
240 x 320 pixels, 4:3 ratio (~143 ppi density)
OS
K31
Android 10, LG UX 9.1
P520
-
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
P520
-
CPU
K31
Octa-core 2.0 GHz Cortex-A53
P520
-
GPU
K31
PowerVR GE8320
P520
-
Card slot
K31
microSDXC
P520
microSDHC (dedicated slot)
Internal
K31
32GB 2GB RAM
P520
15MB 32MB RAM 128MB ROM
Other
K31
eMMC 5.1
P520
-
Phonebook
K31
-
P520
1000 entries, Photocall
Call records
K31
-
P520
100 received, 100 dialed, 100 missed calls
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
P520
-
Features
K31
LED flash, panorama, HDR
P520
-
Video
K31
1080p@30fps
P520
320p@15fps
Single
K31
-
P520
2 MP
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
P520
-
Video
K31
1080p@30fps
P520
-
Other
K31
-
P520
No
Loudspeaker
K31
Yes
P520
Yes
3.5mm jack
K31
Yes
P520
No
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
P520
No
Bluetooth
K31
5.0, A2DP, LE
P520
2.1, A2DP
Positioning
K31
GPS
P520
No
NFC
K31
No
P520
-
Radio
K31
No
P520
Stereo FM radio, RDS; FM transmitter
USB
K31
microUSB 2.0
P520
microUSB 2.0
Sensors
K31
Fingerprint (rear-mounted), accelerometer
P520
Messaging
K31
-
P520
SMS, MMS, Email, IM
Browser
K31
-
P520
WAP 2.0/xHTML, HTML
Games
K31
-
P520
Yes
Java
K31
-
P520
Yes, MIDP 2.1
Other
K31
-
P520
MP3/WAV/eAAC+ player MP4/H.263 player Document viewer Organizer Voice memo Predictive text input
Type
K31
Li-Ion 3000 mAh
P520
Removable Li-Po 1500 mAh battery
Stand-by
K31
-
P520
Up to 400 h
Talk time
K31
-
P520
Up to 9 h
Colors
K31
Gray
P520
Black
Models
K31
LM-K300Q, LMK300, LGL355DL
P520
-
Price
K31
About 130 EUR
P520
About 50 EUR
SAR EU
K31
-
P520
0.96 W/kg (head) 0.80 W/kg (body)