Screen size
K31Winner: 5.7"+69%
KG2901.8"
Quick verdict
K31 leads the measured specs 14-1.
Measured wins
K31
14
spec wins
Overall winner
Ties
2
equal specs
KG290
1
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
KG290
GSM
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
KG290
GSM 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
KG290
-
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
KG290
-
Speed
K31
HSPA, LTE
KG290
-
GPRS
K31
-
KG290
Class 10
EDGE
K31
-
KG290
No
Announced
K31
2020, August 21. Released 2020, August 21
KG290
2007, September. Released 2008, February
Status
K31
Discontinued
KG290
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
KG290
92 x 46 x 17.7 mm (3.62 x 1.81 x 0.70 in)
Weight
K31
146 g (5.15 oz)
KG290
90 g (3.17 oz)
SIM
K31
Nano-SIM + Nano-SIM
KG290
Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
KG290
-
Type
K31
IPS LCD
KG290
TFT, 256K colors
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
KG290
1.77 inches, 9.9 cm2 (~23.3% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
KG290
128 x 160 pixels (~116 ppi density)
Other
K31
-
KG290
Downloadable wallpapers
OS
K31
Android 10, LG UX 9.1
KG290
-
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
KG290
-
CPU
K31
Octa-core 2.0 GHz Cortex-A53
KG290
-
GPU
K31
PowerVR GE8320
KG290
-
Card slot
K31
microSDXC
KG290
microSD (dedicated slot)
Internal
K31
32GB 2GB RAM
KG290
5MB
Other
K31
eMMC 5.1
KG290
-
Phonebook
K31
-
KG290
Yes, Photocall
Call records
K31
-
KG290
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
KG290
-
Features
K31
LED flash, panorama, HDR
KG290
-
Video
K31
1080p@30fps
KG290
Yes
Single
K31
-
KG290
1.3 MP
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
KG290
-
Video
K31
1080p@30fps
KG290
-
Other
K31
-
KG290
No
Loudspeaker
K31
Yes
KG290
Yes
3.5mm jack
K31
Yes
KG290
No
Alert types
K31
-
KG290
Vibration; Downloadable polyphonic, MP3 ringtones
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
KG290
No
Bluetooth
K31
5.0, A2DP, LE
KG290
Yes
Positioning
K31
GPS
KG290
No
NFC
K31
No
KG290
-
Radio
K31
No
KG290
FM radio
USB
K31
microUSB 2.0
KG290
Proprietary
Sensors
K31
Fingerprint (rear-mounted), accelerometer
KG290
Messaging
K31
-
KG290
SMS, MMS
Browser
K31
-
KG290
WAP 2.0/xHTML
Games
K31
-
KG290
Yes
Java
K31
-
KG290
Yes, MIDP 2.0
Other
K31
-
KG290
MP3/WMA/ААС++ player Organizer World time Voice memo
Type
K31
Li-Ion 3000 mAh
KG290
Removable Li-Ion 820 mAh battery
Stand-by
K31
-
KG290
Up to 200 h
Talk time
K31
-
KG290
Up to 2 h
Colors
K31
Gray
KG290
Black, Gray
Models
K31
LM-K300Q, LMK300, LGL355DL
KG290
-
Price
K31
About 130 EUR
KG290
About 60 EUR
SAR
K31
-
KG290
0.43 W/kg (head) 0.36 W/kg (body)