Screen size
K31Winner: 5.7"+25%
Optimus LTE Tag4.3"
Quick verdict
K31 leads the measured specs 12-1.
Measured wins
K31
12
spec wins
Overall winner
Ties
4
equal specs
Optimus LTE Tag
1
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
Optimus LTE Tag
CDMA / HSPA / EVDO / LTE
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
Optimus LTE Tag
CDMA 800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Optimus LTE Tag
CDMA2000 1xEV-DO , 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
equal specsSD card
equal specsStereo speakers
Optimus LTE Tag
LTE 800
Speed
K31
HSPA, LTE
Optimus LTE Tag
HSPA, LTE, EV-DO Rev. A 3.1 Mbps
Announced
K31
2020, August 21. Released 2020, August 21
Optimus LTE Tag
2012, February. Released 2012, Q3
Status
K31
Discontinued
Optimus LTE Tag
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
Optimus LTE Tag
126.5 x 67.9 x 9.5 mm (4.98 x 2.67 x 0.37 in)
Weight
K31
146 g (5.15 oz)
Optimus LTE Tag
141.7 (4.97 oz)
SIM
K31
Nano-SIM + Nano-SIM
Optimus LTE Tag
Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Optimus LTE Tag
-
Type
K31
IPS LCD
Optimus LTE Tag
HD-IPS LCD
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Optimus LTE Tag
4.3 inches, 52.6 cm2 (~61.3% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Optimus LTE Tag
480 x 800 pixels, 5:3 ratio (~217 ppi density)
OS
K31
Android 10, LG UX 9.1
Optimus LTE Tag
Android 2.3 (Gingerbread), upgradable to 4.0 (Ice Cream Sandwich)
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
Optimus LTE Tag
-
CPU
K31
Octa-core 2.0 GHz Cortex-A53
Optimus LTE Tag
Dual-core 1.2 GHz
GPU
K31
PowerVR GE8320
Optimus LTE Tag
-
Card slot
K31
microSDXC
Optimus LTE Tag
microSDHC (dedicated slot)
Internal
K31
32GB 2GB RAM
Optimus LTE Tag
16GB 1GB RAM
Other
K31
eMMC 5.1
Optimus LTE Tag
-
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
Optimus LTE Tag
-
Features
K31
LED flash, panorama, HDR
Optimus LTE Tag
LED flash
Video
K31
1080p@30fps
Optimus LTE Tag
Yes
Single
K31
-
Optimus LTE Tag
5 MP, AF
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Optimus LTE Tag
1.3 MP
Video
K31
1080p@30fps
Optimus LTE Tag
Loudspeaker
K31
Yes
Optimus LTE Tag
Yes
3.5mm jack
K31
Yes
Optimus LTE Tag
Yes
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Optimus LTE Tag
Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot
Bluetooth
K31
5.0, A2DP, LE
Optimus LTE Tag
3.0, A2DP
Positioning
K31
GPS
Optimus LTE Tag
GPS, A-GPS
NFC
K31
No
Optimus LTE Tag
Yes
Radio
K31
No
Optimus LTE Tag
No
USB
K31
microUSB 2.0
Optimus LTE Tag
microUSB 2.0 (MHL TV-out)
Sensors
K31
Fingerprint (rear-mounted), accelerometer
Optimus LTE Tag
Accelerometer, gyro, proximity, compass
Other
K31
-
Optimus LTE Tag
MP4/H.264/WMV/DviX player MP3/WMA/WAV/FLAC/eAAC+ player True HD movie editor Document viewer/editor Organizer Voice memo/dial/commands Predictive text input
Type
K31
Li-Ion 3000 mAh
Optimus LTE Tag
Removable Li-Ion 1700 mAh battery
Stand-by
K31
-
Optimus LTE Tag
Up to 300 h
Talk time
K31
-
Optimus LTE Tag
Up to 5 h
Colors
K31
Gray
Optimus LTE Tag
Black, White
Models
K31
LM-K300Q, LMK300, LGL355DL
Optimus LTE Tag
-
Price
K31
About 130 EUR
Optimus LTE Tag
About 130 EUR