Screen size
K31Winner: 5.7"+47%
KU990 Viewty3.0"
Quick verdict
K31 leads the measured specs 13-1.
Measured wins
K31
13
spec wins
Overall winner
Ties
3
equal specs
KU990 Viewty
1
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
KU990 Viewty
GSM / HSPA
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
KU990 Viewty
GSM 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
KU990 Viewty
HSDPA 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
KU990 Viewty
-
Speed
K31
HSPA, LTE
KU990 Viewty
HSPA 3.6/0.384 Mbps
Announced
K31
2020, August 21. Released 2020, August 21
KU990 Viewty
2007, August. Released 2007, October
Status
K31
Discontinued
KU990 Viewty
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
KU990 Viewty
103.5 x 54.4 x 14.8 mm (4.07 x 2.14 x 0.58 in)
Weight
K31
146 g (5.15 oz)
KU990 Viewty
112 g (3.95 oz)
SIM
K31
Nano-SIM + Nano-SIM
KU990 Viewty
Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
KU990 Viewty
-
Type
K31
IPS LCD
KU990 Viewty
TFT resistive touchscreen, 256K colors
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
KU990 Viewty
3.0 inches, 25.6 cm2 (~45.5% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
KU990 Viewty
240 x 400 pixels, 5:3 ratio (~155 ppi density)
Other
K31
-
KU990 Viewty
Flash UI Downloadable wallpapers
OS
K31
Android 10, LG UX 9.1
KU990 Viewty
-
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
KU990 Viewty
-
CPU
K31
Octa-core 2.0 GHz Cortex-A53
KU990 Viewty
-
GPU
K31
PowerVR GE8320
KU990 Viewty
-
Card slot
K31
microSDXC
KU990 Viewty
microSD (dedicated slot)
Internal
K31
32GB 2GB RAM
KU990 Viewty
100MB
Other
K31
eMMC 5.1
KU990 Viewty
-
Phonebook
K31
-
KU990 Viewty
500 entries, Photocall
Call records
K31
-
KU990 Viewty
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
KU990 Viewty
-
Features
K31
LED flash, panorama, HDR
KU990 Viewty
Schneider-Kreuznach optics, strobe flash
Video
K31
1080p@30fps
KU990 Viewty
480p@30fps, 240p@120fps
Single
K31
-
KU990 Viewty
5 MP, AF
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
KU990 Viewty
VGA videocall camera
Video
K31
1080p@30fps
KU990 Viewty
Loudspeaker
K31
Yes
KU990 Viewty
Yes
3.5mm jack
K31
Yes
KU990 Viewty
No
Alert types
K31
-
KU990 Viewty
Vibration; Downloadable polyphonic, MP3 ringtones, composer
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
KU990 Viewty
No
Bluetooth
K31
5.0, A2DP, LE
KU990 Viewty
1.2, A2DP
Positioning
K31
GPS
KU990 Viewty
No
NFC
K31
No
KU990 Viewty
-
Radio
K31
No
KU990 Viewty
Stereo FM radio, RDS
USB
K31
microUSB 2.0
KU990 Viewty
2.0
Sensors
K31
Fingerprint (rear-mounted), accelerometer
KU990 Viewty
Messaging
K31
-
KU990 Viewty
SMS, EMS, MMS, Email
Browser
K31
-
KU990 Viewty
WAP 2.0/xHTML, HTML
Games
K31
-
KU990 Viewty
Yes
Java
K31
-
KU990 Viewty
Yes, MIDP 2.0
Other
K31
-
KU990 Viewty
MP3/MP4/WMV/AAC/DivX player Organizer Document viewer (Word, Excel, PowerPoint, PDF) Voice memo Predictive text input
Type
K31
Li-Ion 3000 mAh
KU990 Viewty
Removable Li-Ion 1000 mAh battery
Stand-by
K31
-
KU990 Viewty
Up to 430 h
Talk time
K31
-
KU990 Viewty
Up to 4 h
Colors
K31
Gray
KU990 Viewty
Black, Dark Silver, Purple, Pink, Hot Red, White
Models
K31
LM-K300Q, LMK300, LGL355DL
KU990 Viewty
-
Price
K31
About 130 EUR
KU990 Viewty
About 100 EUR
SAR
K31
-
KU990 Viewty
0.70 W/kg (head) 0.47 W/kg (body)
SAR EU
K31
-
KU990 Viewty
0.83 W/kg (head)