Screen size
K31Winner: 5.7"+47%
KB7703.0"
Quick verdict
K31 leads the measured specs 12-2.
Measured wins
K31
12
spec wins
Overall winner
Ties
3
equal specs
KB770
2
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
KB770
GSM / HSPA
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
KB770
GSM 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
KB770
HSDPA 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
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
KB770
-
Speed
K31
HSPA, LTE
KB770
HSPA 7.2/0.384 Mbps
Announced
K31
2020, August 21. Released 2020, August 21
KB770
2008, September. Released 2008, December
Status
K31
Discontinued
KB770
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
KB770
108 x 54 x 13 mm (4.25 x 2.13 x 0.51 in)
Weight
K31
146 g (5.15 oz)
KB770
109 g (3.84 oz)
SIM
K31
Nano-SIM + Nano-SIM
KB770
Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
KB770
-
Type
K31
IPS LCD
KB770
TFT resistive touchscreen, 256K colors
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
KB770
3.0 inches, 25.6 cm2 (~43.9% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
KB770
240 x 400 pixels, 5:3 ratio (~155 ppi density)
Other
K31
-
KB770
Flash UI Downloadable wallpapers
OS
K31
Android 10, LG UX 9.1
KB770
-
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
KB770
-
CPU
K31
Octa-core 2.0 GHz Cortex-A53
KB770
-
GPU
K31
PowerVR GE8320
KB770
-
Card slot
K31
microSDXC
KB770
microSDHC (dedicated slot)
Internal
K31
32GB 2GB RAM
KB770
100MB
Other
K31
eMMC 5.1
KB770
-
Phonebook
K31
-
KB770
Yes, Photocall
Call records
K31
-
KB770
40 dialed, 40 received, 40 missed calls
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
KB770
-
Features
K31
LED flash, panorama, HDR
KB770
-
Video
K31
1080p@30fps
KB770
320p
Single
K31
-
KB770
3.15 MP, AF
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
KB770
-
Video
K31
1080p@30fps
KB770
-
Other
K31
-
KB770
Videocall camera
Loudspeaker
K31
Yes
KB770
Yes
3.5mm jack
K31
Yes
KB770
No
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
KB770
No
Bluetooth
K31
5.0, A2DP, LE
KB770
2.0, A2DP
Positioning
K31
GPS
KB770
No
NFC
K31
No
KB770
-
Radio
K31
No
KB770
No
USB
K31
microUSB 2.0
KB770
2.0
Sensors
K31
Fingerprint (rear-mounted), accelerometer
KB770
Messaging
K31
-
KB770
SMS, EMS, MMS, Email
Browser
K31
-
KB770
WAP 2.0/xHTML, HTML
Games
K31
-
KB770
Yes
Java
K31
-
KB770
Yes, MIDP 2.0
Other
K31
-
KB770
DVB-H or DVB-T TV receiver (country specific) TV-out MP3/MP4/DivX/Xvid player Organizer Document viewer (Word, Excel, PowerPoint, PDF) Voice memo Predictive text input
Type
K31
Li-Ion 3000 mAh
KB770
Removable Li-Ion 1000 mAh battery
Stand-by
K31
-
KB770
Up to 300 h
Talk time
K31
-
KB770
Up to 4 h
Colors
K31
Gray
KB770
Black
Models
K31
LM-K300Q, LMK300, LGL355DL
KB770
-
Price
K31
About 130 EUR
KB770
About 150 EUR
SAR
K31
-
KB770
0.86 W/kg (head) 0.52 W/kg (body)