Screen size
K31Winner: 5.7"+14%
X screen4.9"
Quick verdict
K31 leads the measured specs 6-5.
Measured wins
K31
6
spec wins
Overall winner
Ties
6
equal specs
X screen
5
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
X screen
GSM / HSPA / LTE
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
X screen
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
X screen
HSDPA 850 / 900 / 1900 / 2100 - K500N
4G bands
K31
2, 4, 5, 12, 13, 25, 26, 41, 66, 71
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
Main camera
equal specsFront 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
X screen
1, 3, 7, 8, 20 - K500N, 3, 7, 20, 38 - K500DS
Speed
K31
HSPA, LTE
X screen
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced
K31
2020, August 21. Released 2020, August 21
X screen
2016, February. Released 2016, March
Status
K31
Discontinued
X screen
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
X screen
142.6 x 71.8 x 7.1 mm (5.61 x 2.83 x 0.28 in)
Weight
K31
146 g (5.15 oz)
X screen
120 g (4.23 oz)
SIM
K31
Nano-SIM + Nano-SIM
X screen
· Nano-SIM· Nano-SIM + Nano-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
X screen
-
Type
K31
IPS LCD
X screen
IPS LCD
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
X screen
4.93 inches, 67.0 cm2 (~65.4% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
X screen
720 x 1280 pixels, 16:9 ratio (~298 ppi density)
Other
K31
-
X screen
Secondary display, 80 x 520 pixels, 1.76 inches
OS
K31
Android 10, LG UX 9.1
X screen
Android 6.0 (Marshmallow)
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
X screen
Qualcomm MSM8916 Snapdragon 410 (28 nm)
CPU
K31
Octa-core 2.0 GHz Cortex-A53
X screen
Quad-core 1.2 GHz Cortex-A53
GPU
K31
PowerVR GE8320
X screen
Adreno 306
Card slot
K31
microSDXC
X screen
microSDXC (dedicated slot)
Internal
K31
32GB 2GB RAM
X screen
16GB 2GB RAM
Other
K31
eMMC 5.1
X screen
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 screen
-
Features
K31
LED flash, panorama, HDR
X screen
LED flash, panorama
Video
K31
1080p@30fps
X screen
1080p@30fps
Single
K31
-
X screen
13 MP, f/2.2, AF
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
X screen
8 MP
Video
K31
1080p@30fps
X screen
Loudspeaker
K31
Yes
X screen
Yes
3.5mm jack
K31
Yes
X screen
Yes
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
X screen
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA
Bluetooth
K31
5.0, A2DP, LE
X screen
4.1, A2DP, LE
Positioning
K31
GPS
X screen
GPS, GLONASS
NFC
K31
No
X screen
Yes (market dependent)
Radio
K31
No
X screen
FM radio
USB
K31
microUSB 2.0
X screen
microUSB 2.0
Sensors
K31
Fingerprint (rear-mounted), accelerometer
X screen
Accelerometer, proximity
Type
K31
Li-Ion 3000 mAh
X screen
Li-Po 2300 mAh, non-removable
Stand-by
K31
-
X screen
Up to 120 h (2G) / Up to 120 h (3G)
Talk time
K31
-
X screen
Up to 9 h (2G) / Up to 14 h (3G)
Colors
K31
Gray
X screen
Black, White, Pink Gold
Models
K31
LM-K300Q, LMK300, LGL355DL
X screen
K500, K500n, F650K
Price
K31
About 130 EUR
X screen
About 130 EUR
SAR EU
K31
-
X screen
0.55 W/kg (head)