Screen size
K31Winner: 5.7"+39%
Quantum3.5"
Quick verdict
K31 leads the measured specs 14-0.
Measured wins
K31
14
spec wins
Overall winner
Ties
3
equal specs
Quantum
0
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
Quantum
GSM / HSPA
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
Quantum
GSM 850 / 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Quantum
HSDPA 850 / 1900 / 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
Stereo speakers
Quantum
-
Speed
K31
HSPA, LTE
Quantum
HSPA
Announced
K31
2020, August 21. Released 2020, August 21
Quantum
2010, October. Released 2010, November
Status
K31
Discontinued
Quantum
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
Quantum
119.5 x 59.5 x 15.2 mm (4.70 x 2.34 x 0.60 in)
Weight
K31
146 g (5.15 oz)
Quantum
176 g (6.21 oz)
SIM
K31
Nano-SIM + Nano-SIM
Quantum
Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Quantum
-
Keyboard
K31
-
Quantum
QWERTY
Type
K31
IPS LCD
Quantum
TFT
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Quantum
3.5 inches, 34.9 cm2 (~49.0% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Quantum
480 x 800 pixels, 5:3 ratio (~267 ppi density)
OS
K31
Android 10, LG UX 9.1
Quantum
Microsoft Windows Phone 7
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
Quantum
Qualcomm QSD8650 Snapdragon S1
CPU
K31
Octa-core 2.0 GHz Cortex-A53
Quantum
1.0 GHz Scorpion
GPU
K31
PowerVR GE8320
Quantum
Adreno 200
Card slot
K31
microSDXC
Quantum
No
Internal
K31
32GB 2GB RAM
Quantum
16GB 512MB RAM
Other
K31
eMMC 5.1
Quantum
-
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
Quantum
-
Features
K31
LED flash, panorama, HDR
Quantum
LED flash
Video
K31
1080p@30fps
Quantum
720p
Single
K31
-
Quantum
5 MP, AF
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Quantum
-
Video
K31
1080p@30fps
Quantum
-
Other
K31
-
Quantum
No
Loudspeaker
K31
Yes
Quantum
Yes
3.5mm jack
K31
Yes
Quantum
Yes
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Quantum
Wi-Fi 802.11 b/g/n, DLNA
Bluetooth
K31
5.0, A2DP, LE
Quantum
2.1, A2DP
Positioning
K31
GPS
Quantum
GPS, A-GPS
NFC
K31
No
Quantum
-
Radio
K31
No
Quantum
Stereo FM radio
USB
K31
microUSB 2.0
Quantum
microUSB 2.0
Sensors
K31
Fingerprint (rear-mounted), accelerometer
Quantum
Accelerometer, proximity, compass
Browser
K31
-
Quantum
HTML
Other
K31
-
Quantum
MP4/H.264/WMV player MP3/WAV/WMA/eAAC+ player Organizer Document viewer/editor Voice memo/dial/command Predictive text input
Type
K31
Li-Ion 3000 mAh
Quantum
Removable Li-Ion 1500 mAh battery
Stand-by
K31
-
Quantum
Up to 350 h
Talk time
K31
-
Quantum
Up to 6 h
Colors
K31
Gray
Quantum
Black
Models
K31
LM-K300Q, LMK300, LGL355DL
Quantum
-
Price
K31
About 130 EUR
Quantum
About 80 EUR
SAR
K31
-
Quantum
0.35 W/kg (head) 0.30 W/kg (body)