Screen size
K31Winner: 5.7"+61%
KF3502.2"
Quick verdict
K31 leads the measured specs 12-2.
Measured wins
K31
12
spec wins
Overall winner
Ties
3
equal specs
KF350
2
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
KF350
GSM
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
KF350
GSM 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
KF350
-
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
KF350
-
Speed
K31
HSPA, LTE
KF350
-
GPRS
K31
-
KF350
Class 10
EDGE
K31
-
KF350
Class 10
Announced
K31
2020, August 21. Released 2020, August 21
KF350
2008, August. Released 2008, November
Status
K31
Discontinued
KF350
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
KF350
100.9 x 50.9 x 14.8 mm (3.97 x 2.00 x 0.58 in)
Weight
K31
146 g (5.15 oz)
KF350
102 g (3.60 oz)
SIM
K31
Nano-SIM + Nano-SIM
KF350
Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
KF350
-
Type
K31
IPS LCD
KF350
TFT, 256K colors
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
KF350
2.2 inches, 15.0 cm2 (~29.2% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
KF350
240 x 320 pixels, 4:3 ratio (~182 ppi density)
Other
K31
-
KF350
Second external Light-matrix type display
OS
K31
Android 10, LG UX 9.1
KF350
-
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
KF350
-
CPU
K31
Octa-core 2.0 GHz Cortex-A53
KF350
-
GPU
K31
PowerVR GE8320
KF350
-
Card slot
K31
microSDXC
KF350
microSD (dedicated slot)
Internal
K31
32GB 2GB RAM
KF350
30MB
Other
K31
eMMC 5.1
KF350
-
Phonebook
K31
-
KF350
1000 entries, Photocall
Call records
K31
-
KF350
40 dialed, 40 received, 40 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
KF350
-
Features
K31
LED flash, panorama, HDR
KF350
-
Video
K31
1080p@30fps
KF350
320p@15fps
Single
K31
-
KF350
3.15 MP
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
KF350
-
Video
K31
1080p@30fps
KF350
-
Other
K31
-
KF350
No
Loudspeaker
K31
Yes
KF350
Yes
3.5mm jack
K31
Yes
KF350
No
Alert types
K31
-
KF350
Vibration, MP3 ringtones
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
KF350
No
Bluetooth
K31
5.0, A2DP, LE
KF350
2.1, A2DP
Positioning
K31
GPS
KF350
No
NFC
K31
No
KF350
-
Radio
K31
No
KF350
FM radio
USB
K31
microUSB 2.0
KF350
2.0
Sensors
K31
Fingerprint (rear-mounted), accelerometer
KF350
Messaging
K31
-
KF350
SMS, EMS, MMS, Email
Browser
K31
-
KF350
WAP 2.0/xHTML, HTML
Games
K31
-
KF350
Yes
Java
K31
-
KF350
Yes, MIDP 2.0
Other
K31
-
KF350
MP4/H.264 player MP3/eAAC+ player Organizer Voice memo Predictive text input
Type
K31
Li-Ion 3000 mAh
KF350
Removable Li-Ion 800 mAh battery
Stand-by
K31
-
KF350
Up to 350 h
Talk time
K31
-
KF350
Up to 5 h
Colors
K31
Gray
KF350
White-rosy, Blue, Pistachio, Pink
Models
K31
LM-K300Q, LMK300, LGL355DL
KF350
-
Price
K31
About 130 EUR
KF350
About 90 EUR