Screen size
K31Winner: 5.7"+69%
KP2151.8"
Quick verdict
K31 leads the measured specs 14-1.
Measured wins
K31
14
spec wins
Overall winner
Ties
2
equal specs
KP215
1
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
KP215
GSM
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
KP215
GSM 900 / 1800
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
KP215
-
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
5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
KP215
-
Speed
K31
HSPA, LTE
KP215
-
GPRS
K31
-
KP215
Class 10
EDGE
K31
-
KP215
No
Announced
K31
2020, August 21. Released 2020, August 21
KP215
2008, April. Released 2008, September
Status
K31
Discontinued
KP215
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
KP215
89 x 46.5 x 18 mm (3.50 x 1.83 x 0.71 in)
Weight
K31
146 g (5.15 oz)
KP215
78 g (2.75 oz)
SIM
K31
Nano-SIM + Nano-SIM
KP215
Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
KP215
-
Type
K31
IPS LCD
KP215
TFT, 256K colors
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
KP215
1.77 inches, 9.9 cm2 (~23.8% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
KP215
128 x 160 pixels (~116 ppi density)
Other
K31
-
KP215
Second external 65K color CSTN display (96 x 64 pixels)
OS
K31
Android 10, LG UX 9.1
KP215
-
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
KP215
-
CPU
K31
Octa-core 2.0 GHz Cortex-A53
KP215
-
GPU
K31
PowerVR GE8320
KP215
-
Card slot
K31
microSDXC
KP215
microSD (dedicated slot)
Internal
K31
32GB 2GB RAM
KP215
-
Other
K31
eMMC 5.1
KP215
-
Phonebook
K31
-
KP215
1000 entries, Photocall
Call records
K31
-
KP215
10 dialed, 10 received, 10 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
KP215
-
Features
K31
LED flash, panorama, HDR
KP215
-
Video
K31
1080p@30fps
KP215
Yes
Single
K31
-
KP215
VGA
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
KP215
-
Video
K31
1080p@30fps
KP215
-
Other
K31
-
KP215
No
Loudspeaker
K31
Yes
KP215
Yes
3.5mm jack
K31
Yes
KP215
No
Alert types
K31
-
KP215
Vibration; Downloadable polyphonic ringtones
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
KP215
No
Bluetooth
K31
5.0, A2DP, LE
KP215
No
Positioning
K31
GPS
KP215
No
NFC
K31
No
KP215
-
Radio
K31
No
KP215
FM radio
USB
K31
microUSB 2.0
KP215
Proprietary
Sensors
K31
Fingerprint (rear-mounted), accelerometer
KP215
Messaging
K31
-
KP215
SMS, EMS, MMS
Browser
K31
-
KP215
WAP 2.0/xHTML
Games
K31
-
KP215
Yes
Java
K31
-
KP215
Yes, MIDP 2.0
Other
K31
-
KP215
MP3/MP4 player Predictive text input Organizer Voice memo
Type
K31
Li-Ion 3000 mAh
KP215
Removable Li-Ion 900 mAh battery
Stand-by
K31
-
KP215
Up to 250 h
Talk time
K31
-
KP215
Up to 3 h
Colors
K31
Gray
KP215
Black
Models
K31
LM-K300Q, LMK300, LGL355DL
KP215
-
Price
K31
About 130 EUR
KP215
About 70 EUR