Screen size
K31Winner: 5.7"+47%
Vu Plus3.0"
Quick verdict
K31 leads the measured specs 11-2.
Measured wins
K31
11
spec wins
Overall winner
Ties
4
equal specs
Vu Plus
2
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
Vu Plus
GSM / HSPA
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
Vu Plus
GSM 850 / 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Vu Plus
HSDPA 850 / 1900
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
equal specsSD card
equal specsStereo speakers
Vu Plus
-
Speed
K31
HSPA, LTE
Vu Plus
HSPA 7.2/0.384 Mbps
Announced
K31
2020, August 21. Released 2020, August 21
Vu Plus
2010, May. Released 2010, June
Status
K31
Discontinued
Vu Plus
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
Vu Plus
109.4 x 53.3 x 15.2 mm (4.31 x 2.10 x 0.60 in)
Weight
K31
146 g (5.15 oz)
Vu Plus
111.9 g (3.92 oz)
SIM
K31
Nano-SIM + Nano-SIM
Vu Plus
Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Vu Plus
-
Keyboard
K31
-
Vu Plus
QWERTY
Type
K31
IPS LCD
Vu Plus
TFT resistive touchscreen, 256K colors
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Vu Plus
3.0 inches, 25.6 cm2 (~43.9% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Vu Plus
240 x 400 pixels, 5:3 ratio (~155 ppi density)
OS
K31
Android 10, LG UX 9.1
Vu Plus
-
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
Vu Plus
-
CPU
K31
Octa-core 2.0 GHz Cortex-A53
Vu Plus
-
GPU
K31
PowerVR GE8320
Vu Plus
-
Card slot
K31
microSDXC
Vu Plus
microSDHC (dedicated slot)
Internal
K31
32GB 2GB RAM
Vu Plus
50MB
Other
K31
eMMC 5.1
Vu Plus
-
Phonebook
K31
-
Vu Plus
Yes, Photocall
Call records
K31
-
Vu Plus
Yes
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
Vu Plus
-
Features
K31
LED flash, panorama, HDR
Vu Plus
-
Video
K31
1080p@30fps
Vu Plus
Yes
Single
K31
-
Vu Plus
3.15 MP, AF
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Vu Plus
-
Video
K31
1080p@30fps
Vu Plus
-
Other
K31
-
Vu Plus
No
Loudspeaker
K31
Yes
Vu Plus
Yes
3.5mm jack
K31
Yes
Vu Plus
Yes
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Vu Plus
No
Bluetooth
K31
5.0, A2DP, LE
Vu Plus
2.0, A2DP
Positioning
K31
GPS
Vu Plus
GPS, A-GPS
NFC
K31
No
Vu Plus
-
Radio
K31
No
Vu Plus
No
USB
K31
microUSB 2.0
Vu Plus
microUSB 2.0
Sensors
K31
Fingerprint (rear-mounted), accelerometer
Vu Plus
Messaging
K31
-
Vu Plus
SMS, MMS, Email
Browser
K31
-
Vu Plus
WAP 2.0/xHTML, HTML
Games
K31
-
Vu Plus
Yes, incl. motion-based + downloadable
Java
K31
-
Vu Plus
Yes, MIDP 2.0
Other
K31
-
Vu Plus
MP3/WAV/eAAC+/WMA player MP4/H.264 player Organizer Voice memo/dial/commands Predictive text input
Type
K31
Li-Ion 3000 mAh
Vu Plus
Removable Li-Ion 950 mAh battery
Stand-by
K31
-
Vu Plus
Up to 288 h
Talk time
K31
-
Vu Plus
Up to 3 h
Colors
K31
Gray
Vu Plus
Black
Models
K31
LM-K300Q, LMK300, LGL355DL
Vu Plus
-
Price
K31
About 130 EUR
Vu Plus
About 100 EUR
SAR
K31
-
Vu Plus
0.67 W/kg (head) 0.75 W/kg (body)