Screen size
K31Winner: 5.7"+47%
KS6603.0"
Quick verdict
K31 leads the measured specs 13-1.
Measured wins
K31
13
spec wins
Overall winner
Ties
3
equal specs
KS660
1
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
KS660
GSM
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
KS660
GSM 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
KS660
-
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
KS660
-
Speed
K31
HSPA, LTE
KS660
-
GPRS
K31
-
KS660
Class 12
EDGE
K31
-
KS660
Class 10
Announced
K31
2020, August 21. Released 2020, August 21
KS660
2009, February. Released 2009, May
Status
K31
Discontinued
KS660
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
KS660
105 x 55 x 15 mm (4.13 x 2.17 x 0.59 in)
Weight
K31
146 g (5.15 oz)
KS660
110 g (3.88 oz)
SIM
K31
Nano-SIM + Nano-SIM
KS660
Dual SIM (Mini-SIM)
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
KS660
-
Type
K31
IPS LCD
KS660
TFT resistive touchscreen, 256K colors
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
KS660
3.0 inches, 25.6 cm2 (~44.4% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
KS660
240 x 400 pixels, 5:3 ratio (~155 ppi density)
OS
K31
Android 10, LG UX 9.1
KS660
-
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
KS660
-
CPU
K31
Octa-core 2.0 GHz Cortex-A53
KS660
-
GPU
K31
PowerVR GE8320
KS660
-
Card slot
K31
microSDXC
KS660
microSDHC (dedicated slot)
Internal
K31
32GB 2GB RAM
KS660
85MB
Other
K31
eMMC 5.1
KS660
-
Phonebook
K31
-
KS660
1000 entries, Photocall
Call records
K31
-
KS660
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
KS660
-
Features
K31
LED flash, panorama, HDR
KS660
LED flash
Video
K31
1080p@30fps
KS660
480p@15fps
Single
K31
-
KS660
5 MP, AF
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
KS660
-
Video
K31
1080p@30fps
KS660
-
Other
K31
-
KS660
No
Loudspeaker
K31
Yes
KS660
Yes
3.5mm jack
K31
Yes
KS660
No
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
KS660
No
Bluetooth
K31
5.0, A2DP, LE
KS660
2.0, A2DP
Positioning
K31
GPS
KS660
Np
NFC
K31
No
KS660
-
Radio
K31
No
KS660
Stereo FM radio
USB
K31
microUSB 2.0
KS660
2.0
Sensors
K31
Fingerprint (rear-mounted), accelerometer
KS660
Messaging
K31
-
KS660
SMS, EMS, MMS, Email
Browser
K31
-
KS660
WAP 2.0/xHTML
Games
K31
-
KS660
Yes + downloadable
Java
K31
-
KS660
Yes, MIDP 2.0
Other
K31
-
KS660
MP3/WMA/RA/AAC+ audio player MP4/H.264/RV player Voice memo Organizer Document viewer
Type
K31
Li-Ion 3000 mAh
KS660
Removable Li-Ion 950 mAh battery
Stand-by
K31
-
KS660
Up to 250 h
Talk time
K31
-
KS660
Up to 3 h 30 min
Colors
K31
Gray
KS660
Black
Models
K31
LM-K300Q, LMK300, LGL355DL
KS660
-
Price
K31
About 130 EUR
KS660
About 70 EUR