Screen size
K31Winner: 5.7"+65%
KU7302.0"
Quick verdict
K31 leads the measured specs 14-1.
Measured wins
K31
14
spec wins
Overall winner
Ties
2
equal specs
KU730
1
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
KU730
GSM / UMTS
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
KU730
GSM 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
KU730
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
KU730
-
Speed
K31
HSPA, LTE
KU730
Yes, 384 kbps
Announced
K31
2020, August 21. Released 2020, August 21
KU730
2006, February
Status
K31
Discontinued
KU730
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
KU730
96.9 x 46.9 x 19.5 mm (3.81 x 1.85 x 0.77 in)
Weight
K31
146 g (5.15 oz)
KU730
105 g (3.70 oz)
SIM
K31
Nano-SIM + Nano-SIM
KU730
Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
KU730
-
Type
K31
IPS LCD
KU730
TFT, 256K colors
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
KU730
2.0 inches, 31 x 39 mm, 12.6 cm2 (~27.7% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
KU730
176 x 220 pixels (~141 ppi density)
Other
K31
-
KU730
Second external 65K colors display, TFT (96 x 96 pixels) Downloadable wallpapers
OS
K31
Android 10, LG UX 9.1
KU730
-
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
KU730
-
CPU
K31
Octa-core 2.0 GHz Cortex-A53
KU730
-
GPU
K31
PowerVR GE8320
KU730
-
Card slot
K31
microSDXC
KU730
microSD (dedicated slot)
Internal
K31
32GB 2GB RAM
KU730
-
Other
K31
eMMC 5.1
KU730
-
Phonebook
K31
-
KU730
500 entries
Call records
K31
-
KU730
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
KU730
-
Features
K31
LED flash, panorama, HDR
KU730
-
Video
K31
1080p@30fps
KU730
Yes
Single
K31
-
KU730
1.3 MP
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
KU730
VGA videocall camera
Video
K31
1080p@30fps
KU730
Loudspeaker
K31
Yes
KU730
No
3.5mm jack
K31
Yes
KU730
No
Alert types
K31
-
KU730
Vibration; Downloadable polyphonic ringtones
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
KU730
No
Bluetooth
K31
5.0, A2DP, LE
KU730
1.1
Positioning
K31
GPS
KU730
No
NFC
K31
No
KU730
-
Radio
K31
No
KU730
No
USB
K31
microUSB 2.0
KU730
1.1
Sensors
K31
Fingerprint (rear-mounted), accelerometer
KU730
Messaging
K31
-
KU730
SMS, EMS, MMS
Browser
K31
-
KU730
WAP 2.0/xHTML
Games
K31
-
KU730
Yes
Java
K31
-
KU730
Yes, MIDP 2.0
Other
K31
-
KU730
Video streaming MP3/AAC/MP4/AAC+ player Predictive text input Organizer Voice memo
Type
K31
Li-Ion 3000 mAh
KU730
Removable Li-Ion 1050 mAh battery
Stand-by
K31
-
KU730
Up to 190 h
Talk time
K31
-
KU730
Up to 3 h
Colors
K31
Gray
KU730
Black
Models
K31
LM-K300Q, LMK300, LGL355DL
KU730
-
Price
K31
About 130 EUR
KU730
-