Screen size
K31Winner: 5.7"+44%
Optimus Net3.2"
Quick verdict
K31 leads the measured specs 10-3.
Measured wins
K31
10
spec wins
Overall winner
Ties
4
equal specs
Optimus Net
3
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
Optimus Net
GSM / HSPA
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
Optimus Net
GSM 850 / 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Optimus Net
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
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
Optimus Net
-
Speed
K31
HSPA, LTE
Optimus Net
HSPA 3.6/0.384 Mbps
Announced
K31
2020, August 21. Released 2020, August 21
Optimus Net
2011, July. Released 2011, July
Status
K31
Discontinued
Optimus Net
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
Optimus Net
113.5 x 59 x 12.1 mm (4.47 x 2.32 x 0.48 in)
Weight
K31
146 g (5.15 oz)
Optimus Net
129.2 g (4.55 oz)
SIM
K31
Nano-SIM + Nano-SIM
Optimus Net
Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Optimus Net
-
Type
K31
IPS LCD
Optimus Net
TFT, 256K colors
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Optimus Net
3.2 inches, 30.5 cm2 (~45.5% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Optimus Net
320 x 480 pixels, 3:2 ratio (~180 ppi density)
OS
K31
Android 10, LG UX 9.1
Optimus Net
Android 2.3.3 (Gingerbread)
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
Optimus Net
Qualcomm MSM7227Т Snapdragon S1
CPU
K31
Octa-core 2.0 GHz Cortex-A53
Optimus Net
800 MHz ARM 11
GPU
K31
PowerVR GE8320
Optimus Net
Adreno 200
Card slot
K31
microSDXC
Optimus Net
microSDHC (dedicated slot), 2 GB included
Internal
K31
32GB 2GB RAM
Optimus Net
512MB 512MB RAM
Other
K31
eMMC 5.1
Optimus Net
-
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 Net
-
Features
K31
LED flash, panorama, HDR
Optimus Net
-
Video
K31
1080p@30fps
Optimus Net
480p@24fps
Single
K31
-
Optimus Net
3.15 MP, AF
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Optimus Net
-
Video
K31
1080p@30fps
Optimus Net
-
Other
K31
-
Optimus Net
No
Loudspeaker
K31
Yes
Optimus Net
Yes
3.5mm jack
K31
Yes
Optimus Net
Yes
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Optimus Net
Wi-Fi 802.11 b/g/n, hotspot, DLNA
Bluetooth
K31
5.0, A2DP, LE
Optimus Net
3.0, A2DP, EDR
Positioning
K31
GPS
Optimus Net
GPS, A-GPS
NFC
K31
No
Optimus Net
O2 UK only
Radio
K31
No
Optimus Net
FM radio
USB
K31
microUSB 2.0
Optimus Net
microUSB 2.0
Sensors
K31
Fingerprint (rear-mounted), accelerometer
Optimus Net
Accelerometer, proximity, compass
Other
K31
-
Optimus Net
MP4/H.264 player MP3/WAV/eAAC+ player Document viewer Organizer Voice memo Predictive text input
Type
K31
Li-Ion 3000 mAh
Optimus Net
Removable Li-Ion 1500 mAh battery
Stand-by
K31
-
Optimus Net
Up to 450 h
Talk time
K31
-
Optimus Net
Up to 9 h
Colors
K31
Gray
Optimus Net
Black
Models
K31
LM-K300Q, LMK300, LGL355DL
Optimus Net
-
Price
K31
About 130 EUR
Optimus Net
About 80 EUR
SAR
K31
-
Optimus Net
0.57 W/kg (head) 1.10 W/kg (body)