Screen size
AKA5.0"
K31Winner: 5.7"+12%
Quick verdict
K31 leads the measured specs 11-2.
Measured wins
AKA
2
spec wins
Ties
4
equal specs
K31
11
spec wins
Overall winner
Screen size
Technology
AKA
GSM / HSPA / LTE
K31
GSM / CDMA / HSPA / LTE
2G bands
AKA
GSM 850 / 900 / 1800 / 1900
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
3G bands
AKA
HSDPA 850 / 900 / 1900 / 2100
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
AKA
1, 3, 7, 8
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
K31
2, 4, 5, 12, 13, 25, 26, 41, 66, 71
Speed
AKA
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
K31
HSPA, LTE
Announced
AKA
2015, March. Released 2015, May
K31
2020, August 21. Released 2020, August 21
Status
AKA
Discontinued
K31
Discontinued
Dimensions
AKA
138.7 x 71.9 x 10 mm (5.46 x 2.83 x 0.39 in)
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
Weight
AKA
135 g (4.76 oz)
K31
146 g (5.15 oz)
SIM
AKA
Micro-SIM
K31
Nano-SIM + Nano-SIM
Other
AKA
-
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
AKA
IPS LCD
K31
IPS LCD
Size
AKA
5.0 inches, 68.9 cm2 (~69.1% screen-to-body ratio)
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Resolution
AKA
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
OS
AKA
Android 4.4.2 (KitKat)
K31
Android 10, LG UX 9.1
Chipset
AKA
Qualcomm Snapdragon 400 (28 nm)
K31
Mediatek MT6762 Helio P22 (12 nm)
CPU
AKA
Quad-core 1.2 GHz Cortex-A7
K31
Octa-core 2.0 GHz Cortex-A53
GPU
AKA
Adreno 305
K31
PowerVR GE8320
Card slot
AKA
microSDHC (dedicated slot)
K31
microSDXC
Internal
AKA
16GB 1.5GB RAM
K31
32GB 2GB RAM
Other
AKA
eMMC 4.5
K31
eMMC 5.1
Single
AKA
8 MP
K31
-
Features
AKA
Laser AF, LED flash, panorama
K31
LED flash, panorama, HDR
Video
AKA
1080p@30fps
K31
1080p@30fps
Dual
AKA
-
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
Single
AKA
2.1 MP
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Video
AKA
K31
1080p@30fps
Loudspeaker
AKA
Yes
K31
Yes
3.5mm jack
AKA
Yes
K31
Yes
WLAN
AKA
Wi-Fi 802.11 b/g/n, hotspot
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
AKA
4.0, A2DP
K31
5.0, A2DP, LE
Positioning
AKA
GPS
K31
GPS
NFC
AKA
Yes
K31
No
Radio
AKA
No
K31
No
USB
AKA
microUSB 2.0
K31
microUSB 2.0
Sensors
AKA
Accelerometer, proximity
K31
Fingerprint (rear-mounted), accelerometer
Type
AKA
Li-Ion 2610 mAh, removable
K31
Li-Ion 3000 mAh
Stand-by
AKA
Up to 270 h (2G) / Up to 270 h (3G)
K31
-
Talk time
AKA
Up to 6 h 40 min (2G) / Up to 8 h 20 min (3G)
K31
-
Colors
AKA
White, Pink, Yellow, Navy
K31
Gray
Models
AKA
F520K, F520L
K31
LM-K300Q, LMK300, LGL355DL
Price
AKA
About 220 EUR
K31
About 130 EUR