Screen size
K31Winner: 5.7"+47%
KU21003.0"
Quick verdict
K31 leads the measured specs 14-1.
Measured wins
K31
14
spec wins
Overall winner
Ties
2
equal specs
KU2100
1
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
KU2100
GSM / HSPA
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
KU2100
GSM 850 / 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
KU2100
HSDPA 900 / 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
KU2100
-
Speed
K31
HSPA, LTE
KU2100
HSPA 7.2/2 Mbps
Announced
K31
2020, August 21. Released 2020, August 21
KU2100
2010, January. Released 2010, March
Status
K31
Discontinued
KU2100
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
KU2100
109.8 x 53.4 x 12.9 mm (4.32 x 2.10 x 0.51 in)
Weight
K31
146 g (5.15 oz)
KU2100
121 g (4.23 oz)
SIM
K31
Nano-SIM + Nano-SIM
KU2100
Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
KU2100
-
Type
K31
IPS LCD
KU2100
TFT resistive touchscreen, 256K colors
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
KU2100
3.0 inches, 25.6 cm2 (~43.7% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
KU2100
240 x 400 pixels, 5:3 ratio (~155 ppi density)
Other
K31
-
KU2100
S-Class Touch UI
OS
K31
Android 10, LG UX 9.1
KU2100
Microsoft Windows Mobile 6.5 Professional
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
KU2100
Qualcomm MSM7201A
CPU
K31
Octa-core 2.0 GHz Cortex-A53
KU2100
528 MHz ARM 11
GPU
K31
PowerVR GE8320
KU2100
Adreno 130
Card slot
K31
microSDXC
KU2100
microSDHC (dedicated slot)
Internal
K31
32GB 2GB RAM
KU2100
-
Other
K31
eMMC 5.1
KU2100
-
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
KU2100
-
Features
K31
LED flash, panorama, HDR
KU2100
-
Video
K31
1080p@30fps
KU2100
Yes
Single
K31
-
KU2100
5 MP, AF
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
KU2100
-
Video
K31
1080p@30fps
KU2100
-
Other
K31
-
KU2100
Videocall camera
Loudspeaker
K31
Yes
KU2100
Yes
3.5mm jack
K31
Yes
KU2100
No
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
KU2100
Wi-Fi 802.11b/g
Bluetooth
K31
5.0, A2DP, LE
KU2100
2.1, A2DP
Positioning
K31
GPS
KU2100
GPS, A-GPS
NFC
K31
No
KU2100
-
Radio
K31
No
KU2100
No
USB
K31
microUSB 2.0
KU2100
microUSB
Sensors
K31
Fingerprint (rear-mounted), accelerometer
KU2100
Accelerometer
Browser
K31
-
KU2100
WAP 2.0/xHTML, HTML
Other
K31
-
KU2100
T-DMB broadcasting MP4/H.264/WMV player MP3/WAV/eAAC+/WMA player Organizer Pocket Office Voice memo Predictive text input
Type
K31
Li-Ion 3000 mAh
KU2100
Removable Li-Ion 1500 mAh battery
Stand-by
K31
-
KU2100
Up to 300 h
Talk time
K31
-
KU2100
Up to 5 h
Colors
K31
Gray
KU2100
Black
Models
K31
LM-K300Q, LMK300, LGL355DL
KU2100
-
Price
K31
About 130 EUR
KU2100
About 110 EUR