Screen size
K31Winner: 5.7"+70%
KU2501.7"
Quick verdict
K31 leads the measured specs 14-1.
Measured wins
K31
14
spec wins
Overall winner
Ties
2
equal specs
KU250
1
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
KU250
GSM / UMTS
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
KU250
GSM 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
KU250
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
5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
KU250
-
Speed
K31
HSPA, LTE
KU250
Yes, 384 kbps
Announced
K31
2020, August 21. Released 2020, August 21
KU250
2007, February
Status
K31
Discontinued
KU250
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
KU250
110.9 x 46.7 x 15.6 mm (4.37 x 1.84 x 0.61 in)
Weight
K31
146 g (5.15 oz)
KU250
73 g (2.57 oz)
SIM
K31
Nano-SIM + Nano-SIM
KU250
Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
KU250
-
Type
K31
IPS LCD
KU250
TFT, 256K colors
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
KU250
1.7 inches, 9.1 cm2 (~17.6% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
KU250
176 x 220 pixels (~166 ppi density)
Other
K31
-
KU250
Downloadable wallpapers
OS
K31
Android 10, LG UX 9.1
KU250
-
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
KU250
-
CPU
K31
Octa-core 2.0 GHz Cortex-A53
KU250
-
GPU
K31
PowerVR GE8320
KU250
-
Card slot
K31
microSDXC
KU250
microSD (dedicated slot)
Internal
K31
32GB 2GB RAM
KU250
10MB
Other
K31
eMMC 5.1
KU250
-
Phonebook
K31
-
KU250
500 entries
Call records
K31
-
KU250
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
KU250
-
Features
K31
LED flash, panorama, HDR
KU250
-
Video
K31
1080p@30fps
KU250
Yes
Single
K31
-
KU250
1.3 MP
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
KU250
CIF videocall camera
Video
K31
1080p@30fps
KU250
Loudspeaker
K31
Yes
KU250
No
3.5mm jack
K31
Yes
KU250
No
Alert types
K31
-
KU250
Vibration; Downloadable polyphonic, MP3 ringtones
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
KU250
No
Bluetooth
K31
5.0, A2DP, LE
KU250
1.2, A2DP
Positioning
K31
GPS
KU250
No
NFC
K31
No
KU250
-
Radio
K31
No
KU250
No
USB
K31
microUSB 2.0
KU250
Proprietary
Sensors
K31
Fingerprint (rear-mounted), accelerometer
KU250
Messaging
K31
-
KU250
SMS, EMS, MMS, Email
Browser
K31
-
KU250
WAP 2.0/xHTML
Games
K31
-
KU250
Yes
Java
K31
-
KU250
Yes, MIDP 2.0
Other
K31
-
KU250
MP3/AAC/AAC+/WMA player Predictive text input Organizer Voice memo
Type
K31
Li-Ion 3000 mAh
KU250
Removable Li-Po 950 mAh battery
Stand-by
K31
-
KU250
Up to 400 h
Talk time
K31
-
KU250
Up to 3 h 50 min
Colors
K31
Gray
KU250
Black
Models
K31
LM-K300Q, LMK300, LGL355DL
KU250
-
Price
K31
About 130 EUR
KU250
About 70 EUR
SAR
K31
-
KU250
1.30 W/kg (head) 0.38 W/kg (body)