Screen size
K31Winner: 5.7"+51%
KS202.8"
Quick verdict
K31 leads the measured specs 13-1.
Measured wins
K31
13
spec wins
Overall winner
Ties
3
equal specs
KS20
1
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
KS20
GSM / HSPA
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
KS20
GSM 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
KS20
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
KS20
-
Speed
K31
HSPA, LTE
KS20
HSPA 3.6/0.384 Mbps
Announced
K31
2020, August 21. Released 2020, August 21
KS20
2007, September. Released 2008, January
Status
K31
Discontinued
KS20
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
KS20
99.8 x 58 x 12.8 mm (3.93 x 2.28 x 0.50 in)
Weight
K31
146 g (5.15 oz)
KS20
92.5 g (3.25 oz)
SIM
K31
Nano-SIM + Nano-SIM
KS20
Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
KS20
-
Type
K31
IPS LCD
KS20
TFT resistive touchscreen, 256K colors (65K effective)
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
KS20
2.8 inches, 24.3 cm2 (~41.9% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
KS20
240 x 320 pixels, 4:3 ratio (~143 ppi density)
Other
K31
-
KS20
Handwriting recognition
OS
K31
Android 10, LG UX 9.1
KS20
Microsoft Windows Mobile 6.0 Professional
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
KS20
Qualcomm MSM72000
CPU
K31
Octa-core 2.0 GHz Cortex-A53
KS20
400 MHz ARM 11
GPU
K31
PowerVR GE8320
KS20
Adreno 130
Card slot
K31
microSDXC
KS20
microSD (dedicated slot)
Internal
K31
32GB 2GB RAM
KS20
128MB
Other
K31
eMMC 5.1
KS20
-
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
KS20
-
Features
K31
LED flash, panorama, HDR
KS20
LED flash
Video
K31
1080p@30fps
KS20
Yes
Single
K31
-
KS20
2 MP, AF
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
KS20
VGA videocall camera
Video
K31
1080p@30fps
KS20
Loudspeaker
K31
Yes
KS20
Yes
3.5mm jack
K31
Yes
KS20
No
Alert types
K31
-
KS20
Vibration; Downloadable polyphonic, MP3 ringtones, composer
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
KS20
Wi-Fi 802.11b/g
Bluetooth
K31
5.0, A2DP, LE
KS20
2.0, A2DP
Positioning
K31
GPS
KS20
No
NFC
K31
No
KS20
-
Radio
K31
No
KS20
Stereo FM radio, RDS
USB
K31
microUSB 2.0
KS20
2.0
Sensors
K31
Fingerprint (rear-mounted), accelerometer
KS20
Browser
K31
-
KS20
WAP 2.0/xHTML, HTML (IE mobile 7.6)
Other
K31
-
KS20
MP3/MP4/WMV/AAC/DivX player Pocket Office Organizer Voice memo
Type
K31
Li-Ion 3000 mAh
KS20
Removable Li-Ion 1050 mAh battery
Stand-by
K31
-
KS20
Up to 270 h
Talk time
K31
-
KS20
Up to 4 h (2G) / Up to 3 h (3G)
Colors
K31
Gray
KS20
Black, Baby Pink
Models
K31
LM-K300Q, LMK300, LGL355DL
KS20
-
Price
K31
About 130 EUR
KS20
About 100 EUR
SAR
K31
-
KS20
1.27 W/kg (head) 1.07 W/kg (body)
SAR EU
K31
-
KS20
0.50 W/kg (head)