Screen size
K31Winner: 5.7"+69%
KU3801.8"
Quick verdict
K31 leads the measured specs 13-1.
Measured wins
K31
13
spec wins
Overall winner
Ties
3
equal specs
KU380
1
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
KU380
GSM / UMTS
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
KU380
GSM 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
KU380
UMTS 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
SD card
equal specsStereo speakers
KU380
-
Speed
K31
HSPA, LTE
KU380
Yes, 384 kbps
Announced
K31
2020, August 21. Released 2020, August 21
KU380
2007, November. Released 2008
Status
K31
Discontinued
KU380
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
KU380
96 x 45 x 17.9 mm (3.78 x 1.77 x 0.70 in)
Weight
K31
146 g (5.15 oz)
KU380
91 g (3.21 oz)
SIM
K31
Nano-SIM + Nano-SIM
KU380
Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
KU380
-
Type
K31
IPS LCD
KU380
TFT, 256K colors
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
KU380
1.76 inches, 9.7 cm2 (~22.6% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
KU380
176 x 220 pixels (~160 ppi density)
Other
K31
-
KU380
Downloadable wallpapers
OS
K31
Android 10, LG UX 9.1
KU380
-
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
KU380
-
CPU
K31
Octa-core 2.0 GHz Cortex-A53
KU380
-
GPU
K31
PowerVR GE8320
KU380
-
Card slot
K31
microSDXC
KU380
microSD (dedicated slot)
Internal
K31
32GB 2GB RAM
KU380
60MB
Other
K31
eMMC 5.1
KU380
-
Phonebook
K31
-
KU380
500 entries
Call records
K31
-
KU380
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
KU380
-
Features
K31
LED flash, panorama, HDR
KU380
-
Video
K31
1080p@30fps
KU380
QCIF@15fps
Single
K31
-
KU380
1.3 MP
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
KU380
Yes
Video
K31
1080p@30fps
KU380
Loudspeaker
K31
Yes
KU380
Yes
3.5mm jack
K31
Yes
KU380
No
Alert types
K31
-
KU380
Vibration; Downloadable polyphonic, MP3 ringtones
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
KU380
No
Bluetooth
K31
5.0, A2DP, LE
KU380
1.2
Positioning
K31
GPS
KU380
No
NFC
K31
No
KU380
-
Radio
K31
No
KU380
No
USB
K31
microUSB 2.0
KU380
2.0
Sensors
K31
Fingerprint (rear-mounted), accelerometer
KU380
Messaging
K31
-
KU380
SMS, EMS, MMS, Email
Browser
K31
-
KU380
WAP 2.0/xHTML
Games
K31
-
KU380
Yes
Java
K31
-
KU380
Yes, MIDP 2.0
Other
K31
-
KU380
MP3/MP4 player Predictive text input Organizer Voice memo
Type
K31
Li-Ion 3000 mAh
KU380
Removable Li-Ion 900 mAh battery
Stand-by
K31
-
KU380
Up to 300 h
Talk time
K31
-
KU380
Up to 2 h 45 min
Colors
K31
Gray
KU380
Black, White
Models
K31
LM-K300Q, LMK300, LGL355DL
KU380
-
Price
K31
About 130 EUR
KU380
About 60 EUR
SAR
K31
-
KU380
0.61 W/kg (head) 1.15 W/kg (body)