Screen size
K30 (2019)5.5"
K31Winner: 5.7"+4.4%
Quick verdict
K31 leads the measured specs 6-2.
Measured wins
K30 (2019)
2
spec wins
Ties
9
equal specs
K31
6
spec wins
Overall winner
Screen size
Technology
K30 (2019)
GSM / HSPA / LTE
K31
GSM / CDMA / HSPA / LTE
2G bands
K30 (2019)
GSM 850 / 900 / 1800 / 1900
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
3G bands
K30 (2019)
HSDPA 850 / 900 / 1900 / 2100
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
K30 (2019)
1, 3, 7, 8, 20, 38
Resolution
Refresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
equal specsStorage
Main camera
Front camera
equal specsBattery
equal specsWired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
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
K30 (2019)
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
K31
HSPA, LTE
Announced
K30 (2019)
2019, August. Released 2019, September
K31
2020, August 21. Released 2020, August 21
Status
K30 (2019)
Discontinued
K31
Discontinued
Dimensions
K30 (2019)
146.9 x 71.5 x 8.5 mm (5.78 x 2.81 x 0.33 in)
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
Weight
K30 (2019)
148 g (5.22 oz)
K31
146 g (5.15 oz)
Build
K30 (2019)
Glass front, plastic back, plastic frame
K31
-
SIM
K30 (2019)
· Nano-SIM· Nano-SIM + Nano-SIM
K31
Nano-SIM + Nano-SIM
Other
K30 (2019)
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
K30 (2019)
IPS LCD
K31
IPS LCD
Size
K30 (2019)
5.45 inches, 76.7 cm2 (~73.0% screen-to-body ratio)
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Resolution
K30 (2019)
720 x 1440 pixels, 18:9 ratio (~295 ppi density)
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
OS
K30 (2019)
Android 9.0 (Pie)
K31
Android 10, LG UX 9.1
Chipset
K30 (2019)
Qualcomm MSM8917 Snapdragon 425 (28 nm)
K31
Mediatek MT6762 Helio P22 (12 nm)
CPU
K30 (2019)
Quad-core 1.4 GHz Cortex-A53
K31
Octa-core 2.0 GHz Cortex-A53
GPU
K30 (2019)
Adreno 308
K31
PowerVR GE8320
Card slot
K30 (2019)
microSDHC (uses shared SIM slot)
K31
microSDXC
Internal
K30 (2019)
16GB 2GB RAM
K31
32GB 2GB RAM
Other
K30 (2019)
eMMC 5.1
K31
eMMC 5.1
Single
K30 (2019)
8 MP, f/2.0, 27mm (wide), 1/4.0", 1.12µm, AF
K31
-
Features
K30 (2019)
LED flash, panorama, HDR
K31
LED flash, panorama, HDR
Video
K30 (2019)
1080p@30fps
K31
1080p@30fps
Dual
K30 (2019)
-
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
K30 (2019)
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Features
K30 (2019)
LED flash
K31
-
Video
K30 (2019)
K31
1080p@30fps
Loudspeaker
K30 (2019)
Yes
K31
Yes
3.5mm jack
K30 (2019)
Yes
K31
Yes
WLAN
K30 (2019)
Wi-Fi 802.11 b/g/n
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
K30 (2019)
5.0, A2DP, LE
K31
5.0, A2DP, LE
Positioning
K30 (2019)
GPS
K31
GPS
NFC
K30 (2019)
Yes (market/region dependent)
K31
No
Radio
K30 (2019)
No
K31
No
USB
K30 (2019)
microUSB 2.0
K31
microUSB 2.0
Sensors
K30 (2019)
Accelerometer, proximity
K31
Fingerprint (rear-mounted), accelerometer
Type
K30 (2019)
Li-Ion 3000 mAh, non-removable
K31
Li-Ion 3000 mAh
Colors
K30 (2019)
New Aurora Black, New Moroccan Blue
K31
Gray
Models
K30 (2019)
LM-X320EMW, LMX320EMW, LMX320ZMW, LM-X320ZMW
K31
LM-K300Q, LMK300, LGL355DL
Price
K30 (2019)
About 140 EUR
K31
About 130 EUR