Screen size
K31Winner: 5.7"+7%
X power5.3"
Quick verdict
K31 leads the measured specs 6-4.
Measured wins
K31
6
spec wins
Overall winner
Ties
8
equal specs
X power
4
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
X power
GSM / CDMA / HSPA / EVDO / LTE
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
X power
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only), CDMA 800 / 1900 - LS755, US610
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
X power
HSDPA 850 / 900 / 1900 / 2100 , HSDPA 850 / 1700(AWS) / 1900 / 2100 - LS755, CDMA2000 1xEV-DO - LS755, US610
4G bands
K31
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
Main camera
equal specsFront camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
2, 4, 5, 12, 13, 25, 26, 41, 66, 71
X power
1, 3, 7, 8, 20 - K220, 3, 7, 20 - K220DS, 1, 3, 5, 7, 8, 20, 38 - UAE, 2, 4, 5, 12, 25, 26, 41 - LS7552,4,5,12,13,17,25 - US610
Speed
K31
HSPA, LTE
X power
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced
K31
2020, August 21. Released 2020, August 21
X power
2016, May. Released 2016, September
Status
K31
Discontinued
X power
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
X power
148.9 x 74.9 x 7.9 mm (5.86 x 2.95 x 0.31 in)
Weight
K31
146 g (5.15 oz)
X power
139 g (4.90 oz)
SIM
K31
Nano-SIM + Nano-SIM
X power
· Nano-SIM· Nano-SIM + Nano-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
X power
-
Type
K31
IPS LCD
X power
IPS LCD
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
X power
5.3 inches, 77.4 cm2 (~69.4% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
X power
720 x 1280 pixels, 16:9 ratio (~277 ppi density)
Protection
K31
-
X power
Corning Gorilla Glass 3
OS
K31
Android 10, LG UX 9.1
X power
Android 6.0.1 (Marshmallow)
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
X power
Mediatek MT6735 (28 nm)Mediatek MT6755M (28 nm) - LS755Qualcomm MSM8909 Snapdragon 210 (28 nm) - US610, K450
CPU
K31
Octa-core 2.0 GHz Cortex-A53
X power
Quad-core 1.3 GHz Cortex-A53Octa-core (4x1.8 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) - LS755Quad-core 1.3 GHz Cortex-A7 - US610, K450
GPU
K31
PowerVR GE8320
X power
Mali-T720Mali-T860MP2 - LS755Adreno 304 - US610, K450
Card slot
K31
microSDXC
X power
microSDXC (dedicated slot)
Internal
K31
32GB 2GB RAM
X power
16GB 2GB RAM
Other
K31
eMMC 5.1
X power
eMMC 4.5
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
X power
-
Features
K31
LED flash, panorama, HDR
X power
LED flash, panorama
Video
K31
1080p@30fps
X power
1080p@30fps
Single
K31
-
X power
13 MP, f/2.2, 1/4.0", 1.12µm, AF 8 MP, AF (LS755, US610, K450)
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
X power
5 MP, f/2.4
Video
K31
1080p@30fps
X power
1080p@30fps
Loudspeaker
K31
Yes
X power
Yes
3.5mm jack
K31
Yes
X power
Yes
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
X power
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
K31
5.0, A2DP, LE
X power
4.1/4.2, A2DP, LE
Positioning
K31
GPS
X power
GPS, GLONASS
NFC
K31
No
X power
No
Radio
K31
No
X power
FM radio
USB
K31
microUSB 2.0
X power
microUSB 2.0, OTG
Sensors
K31
Fingerprint (rear-mounted), accelerometer
X power
Accelerometer, proximity, compass
Type
K31
Li-Ion 3000 mAh
X power
Li-Ion 4100 mAh, non-removable
Charging
K31
-
X power
10W wired
Colors
K31
Gray
X power
Indigo, White, Gold
Models
K31
LM-K300Q, LMK300, LGL355DL
X power
K220, LS755, US610, K450, LGLS755, F750K, K210, LGUS610
Price
K31
About 130 EUR
X power
About 130 EUR