Screen size
K31Winner: 5.7"+12%
K75.0"
Quick verdict
K31 leads the measured specs 11-0.
Measured wins
K31
11
spec wins
Overall winner
Ties
6
equal specs
K7
0
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
K7
GSM / CDMA / HSPA / LTE
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
K7
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only), CDMA 800 / 1900 - LS675
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
K7
HSDPA 900 / 2100 - X210, HSDPA 850 / 1700(AWS) / 1900 - MS330, HSDPA 850 / 900 / 1900 / 2100 - LS675, HSDPA 850 / 900 / 2100 - X210DS
4G bands
K31
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front 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
K7
LTE - X210, 2, 4, 12 - MS330, 25, 26, 41 - LS675
Speed
K31
HSPA, LTE
K7
HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced
K31
2020, August 21. Released 2020, August 21
K7
2016, January. Released 2016, February
Status
K31
Discontinued
K7
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
K7
143.6 x 72.5 x 9.1 mm (5.65 x 2.85 x 0.36 in)
Weight
K31
146 g (5.15 oz)
K7
161 g (5.68 oz)
SIM
K31
Nano-SIM + Nano-SIM
K7
· Nano-SIM· Nano-SIM + Nano-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
K7
-
Type
K31
IPS LCD
K7
IPS LCD
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
K7
5.0 inches, 68.9 cm2 (~66.2% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
K7
480 x 854 pixels, 16:9 ratio (~196 ppi density)
OS
K31
Android 10, LG UX 9.1
K7
Android 5.1 (Lollipop)
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
K7
Mediatek MT6580M (3G model)Qualcomm MSM8909 Snapdragon 210 (28 nm) (LTE model)
CPU
K31
Octa-core 2.0 GHz Cortex-A53
K7
Quad-core 1.3 GHz Cortex-A7 (3G model)Quad-core 1.1 GHz Cortex-A7 (LTE model)
GPU
K31
PowerVR GE8320
K7
Mali-400MP2Adreno 304
Card slot
K31
microSDXC
K7
microSDHC (dedicated slot)
Internal
K31
32GB 2GB RAM
K7
8GB 1GB RAM (3G), 8GB 1.5GB RAM (LTE), 16GB 1.5GB RAM (LTE)
Other
K31
eMMC 5.1
K7
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
K7
-
Features
K31
LED flash, panorama, HDR
K7
LED flash
Video
K31
1080p@30fps
K7
720p@30fps
Single
K31
-
K7
5 MP, f/2.6, or 8 MP, AF
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
K7
5 MP
Video
K31
1080p@30fps
K7
Loudspeaker
K31
Yes
K7
Yes
3.5mm jack
K31
Yes
K7
Yes
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
K7
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Bluetooth
K31
5.0, A2DP, LE
K7
4.1, A2DP
Positioning
K31
GPS
K7
GPS
NFC
K31
No
K7
No
Radio
K31
No
K7
FM radio, RDS
USB
K31
microUSB 2.0
K7
microUSB 2.0
Sensors
K31
Fingerprint (rear-mounted), accelerometer
K7
Accelerometer, proximity
Type
K31
Li-Ion 3000 mAh
K7
Li-Ion 2125 mAh, removable
Colors
K31
Gray
K7
White, Black, Gold; Titan (LTE model)
Models
K31
LM-K300Q, LMK300, LGL355DL
K7
MS330, LS675, X210, LGMS330, K332, LG-K330, AS330, LM-K330
Price
K31
About 130 EUR
K7
About 110 EUR