Screen size
K31Winner: 5.7"+12%
K8 (2017)5.0"
Quick verdict
K31 leads the measured specs 8-3.
Measured wins
K31
8
spec wins
Overall winner
Ties
6
equal specs
K8 (2017)
3
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
K8 (2017)
GSM / HSPA / LTE
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
K8 (2017)
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
K8 (2017)
HSDPA 850 / 900 / 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
equal specsFront camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
K8 (2017)
1, 3, 7, 8, 20
Speed
K31
HSPA, LTE
K8 (2017)
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced
K31
2020, August 21. Released 2020, August 21
K8 (2017)
2016, December. Released 2017, April
Status
K31
Discontinued
K8 (2017)
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
K8 (2017)
144.5 x 72.1 x 8 mm (5.69 x 2.84 x 0.31 in)
Weight
K31
146 g (5.15 oz)
K8 (2017)
144 g (5.08 oz)
SIM
K31
Nano-SIM + Nano-SIM
K8 (2017)
· Nano-SIM· Nano-SIM + Nano-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
K8 (2017)
-
Build
K31
-
K8 (2017)
Glass front (Gorilla Glass 3), plastic back, plastic frame
Type
K31
IPS LCD
K8 (2017)
IPS LCD
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
K8 (2017)
5.0 inches, 69.4 cm2 (~66.6% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
K8 (2017)
720 x 1280 pixels, 16:9 ratio (~293 ppi density)
Protection
K31
-
K8 (2017)
Corning Gorilla Glass 3
OS
K31
Android 10, LG UX 9.1
K8 (2017)
Android 7.0 (Nougat)
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
K8 (2017)
Qualcomm MSM8917 Snapdragon 425 (28 nm)Mediatek MT6737 (28 nm)
CPU
K31
Octa-core 2.0 GHz Cortex-A53
K8 (2017)
Quad-core 1.4 GHz Cortex-A53
GPU
K31
PowerVR GE8320
K8 (2017)
Adreno 308Mali-T720MP2
Card slot
K31
microSDXC
K8 (2017)
microSDHC
Internal
K31
32GB 2GB RAM
K8 (2017)
16GB 1.5GB RAM
Other
K31
eMMC 5.1
K8 (2017)
eMMC 5.0
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
K8 (2017)
-
Features
K31
LED flash, panorama, HDR
K8 (2017)
LED flash, panorama
Video
K31
1080p@30fps
K8 (2017)
1080p@30fps
Single
K31
-
K8 (2017)
13 MP, f/2.2, 1/3.1", 1.12µm, AF
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
K8 (2017)
5 MP, f/2.4, 1/5.0", 1.12µm
Video
K31
1080p@30fps
K8 (2017)
1080p@30fps
Loudspeaker
K31
Yes
K8 (2017)
Yes
3.5mm jack
K31
Yes
K8 (2017)
Yes
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
K8 (2017)
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
K31
5.0, A2DP, LE
K8 (2017)
4.2, A2DP, LE
Positioning
K31
GPS
K8 (2017)
GPS, GLONASS
NFC
K31
No
K8 (2017)
Yes
Radio
K31
No
K8 (2017)
FM radio, RDS
USB
K31
microUSB 2.0
K8 (2017)
microUSB 2.0, OTG
Sensors
K31
Fingerprint (rear-mounted), accelerometer
K8 (2017)
Accelerometer, proximity
Type
K31
Li-Ion 3000 mAh
K8 (2017)
Li-Ion 2500 mAh, removable
Stand-by
K31
-
K8 (2017)
Up to 490 h (3G)
Talk time
K31
-
K8 (2017)
Up to 18 h (3G)
Colors
K31
Gray
K8 (2017)
Silver, Titan, Gold, Dark Blue
Models
K31
LM-K300Q, LMK300, LGL355DL
K8 (2017)
X300, M200, US215, X240, LGM-K120L, LGM-K120S
Price
K31
About 130 EUR
K8 (2017)
About 120 EUR
SAR EU
K31
-
K8 (2017)
0.43 W/kg (head)