Screen size
A1552.0"
K31Winner: 5.7"+65%
Quick verdict
K31 leads the measured specs 14-0.
Measured wins
A155
0
spec wins
Ties
3
equal specs
K31
14
spec wins
Overall winner
Screen size
Technology
A155
GSM
K31
GSM / CDMA / HSPA / LTE
2G bands
A155
GSM 850 / 900 / 1800 / 1900 - SIM 1, GSM 900 / 1800 / 1900 - SIM 2
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
GPRS
A155
Yes
K31
-
EDGE
A155
Yes
K31
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
-
3G bands
A155
-
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
A155
-
K31
2, 4, 5, 12, 13, 25, 26, 41, 66, 71
Speed
A155
-
K31
HSPA, LTE
Announced
A155
2010, December. Released 2010, December
K31
2020, August 21. Released 2020, August 21
Status
A155
Discontinued
K31
Discontinued
Dimensions
A155
110 x 47.2 x 13.5 mm (4.33 x 1.86 x 0.53 in)
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
Weight
A155
-
K31
146 g (5.15 oz)
SIM
A155
Dual SIM (Mini-SIM, dual stand-by)
K31
Nano-SIM + Nano-SIM
Other
A155
-
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
A155
TFT
K31
IPS LCD
Size
A155
2.0 inches, 12.6 cm2 (~24.4% screen-to-body ratio)
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Resolution
A155
144 x 176 pixels (~114 ppi density)
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Card slot
A155
microSD (dedicated slot)
K31
microSDXC
Phonebook
A155
Yes, Photocall
K31
-
Call records
A155
Yes
K31
-
Internal
A155
1MB
K31
32GB 2GB RAM
Other
A155
-
K31
eMMC 5.1
Other
A155
No
K31
-
Loudspeaker
A155
Yes
K31
Yes
3.5mm jack
A155
No
K31
Yes
WLAN
A155
No
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
A155
2.0, A2DP
K31
5.0, A2DP, LE
Positioning
A155
No
K31
GPS
Radio
A155
FM radio
K31
No
USB
A155
microUSB 2.0
K31
microUSB 2.0
NFC
A155
-
K31
No
Sensors
A155
K31
Fingerprint (rear-mounted), accelerometer
Messaging
A155
SMS
K31
-
Browser
A155
WAP 2.0/xHTML, HTML
K31
-
Games
A155
Yes
K31
-
Java
A155
Yes, MIDP 2.0
K31
-
Other
A155
MP3/AAC+ Organizer Voice memo Predictive text input
K31
-
Type
A155
Removable Li-Ion 900 mAh battery
K31
Li-Ion 3000 mAh
Stand-by
A155
Up to 200 h
K31
-
Talk time
A155
Up to 3 h 30 min
K31
-
Colors
A155
Black
K31
Gray
SAR EU
A155
1.19 W/kg (head) 1.19 W/kg (body)
K31
-
Price
A155
About 70 EUR
K31
About 130 EUR
Models
A155
-
K31
LM-K300Q, LMK300, LGL355DL
OS
A155
-
K31
Android 10, LG UX 9.1
Chipset
A155
-
K31
Mediatek MT6762 Helio P22 (12 nm)
CPU
A155
-
K31
Octa-core 2.0 GHz Cortex-A53
GPU
A155
-
K31
PowerVR GE8320
Dual
A155
-
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
Features
A155
-
K31
LED flash, panorama, HDR
Video
A155
-
K31
1080p@30fps
Single
A155
-
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Video
A155
-
K31
1080p@30fps