Screen size
K31Winner: 5.7"+47%
SU420 Cafe3.0"
Quick verdict
K31 leads the measured specs 12-1.
Measured wins
K31
12
spec wins
Overall winner
Ties
4
equal specs
SU420 Cafe
1
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
SU420 Cafe
GSM
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
SU420 Cafe
GSM 850 / 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
SU420 Cafe
TD-SCDMA
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
equal specsSD card
equal specsStereo speakers
SU420 Cafe
-
Speed
K31
HSPA, LTE
SU420 Cafe
TD-SCDMA
GPRS
K31
-
SU420 Cafe
Class 10
EDGE
K31
-
SU420 Cafe
Class 10
Announced
K31
2020, August 21. Released 2020, August 21
SU420 Cafe
2010, April. Released 2010, April
Status
K31
Discontinued
SU420 Cafe
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
SU420 Cafe
113.9 x 54.5 x 12.9 mm (4.48 x 2.15 x 0.51 in)
Weight
K31
146 g (5.15 oz)
SU420 Cafe
-
SIM
K31
Nano-SIM + Nano-SIM
SU420 Cafe
Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
SU420 Cafe
-
Type
K31
IPS LCD
SU420 Cafe
TFT, 256K colors
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
SU420 Cafe
3.0 inches, 25.6 cm2 (~41.3% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
SU420 Cafe
480 x 800 pixels, 5:3 ratio (~311 ppi density)
Other
K31
-
SU420 Cafe
S-Class Touch UI
OS
K31
Android 10, LG UX 9.1
SU420 Cafe
-
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
SU420 Cafe
-
CPU
K31
Octa-core 2.0 GHz Cortex-A53
SU420 Cafe
-
GPU
K31
PowerVR GE8320
SU420 Cafe
-
Card slot
K31
microSDXC
SU420 Cafe
microSDHC (dedicated slot)
Internal
K31
32GB 2GB RAM
SU420 Cafe
-
Other
K31
eMMC 5.1
SU420 Cafe
-
Phonebook
K31
-
SU420 Cafe
Yes, Photocall
Call records
K31
-
SU420 Cafe
Yes
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
SU420 Cafe
-
Features
K31
LED flash, panorama, HDR
SU420 Cafe
-
Video
K31
1080p@30fps
SU420 Cafe
Yes
Single
K31
-
SU420 Cafe
3.2 MP
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
SU420 Cafe
1.3 MP
Video
K31
1080p@30fps
SU420 Cafe
Loudspeaker
K31
Yes
SU420 Cafe
Yes
3.5mm jack
K31
Yes
SU420 Cafe
Yes
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
SU420 Cafe
Wi-Fi 802.11 b/g
Bluetooth
K31
5.0, A2DP, LE
SU420 Cafe
2.1, A2DP
Positioning
K31
GPS
SU420 Cafe
GPS, A-GPS
NFC
K31
No
SU420 Cafe
-
Radio
K31
No
SU420 Cafe
No
USB
K31
microUSB 2.0
SU420 Cafe
microUSB 2.0
Sensors
K31
Fingerprint (rear-mounted), accelerometer
SU420 Cafe
Accelerometer
Messaging
K31
-
SU420 Cafe
SMS, MMS, Email
Browser
K31
-
SU420 Cafe
WAP 2.0/xHTML, HTML
Games
K31
-
SU420 Cafe
Yes + downloadable
Java
K31
-
SU420 Cafe
Yes, MIDP 2.1
Other
K31
-
SU420 Cafe
TV Tuner (T-DMB v2.0) MP3/WMA/AAC player DivX/MP4/H.263 player Organizer Document viewer (Word, Excel, PowerPoint, PDF) Voice memo Predictive text input
Type
K31
Li-Ion 3000 mAh
SU420 Cafe
Removable Li-Ion 1250 mAh battery
Colors
K31
Gray
SU420 Cafe
Black, White, Pink
Models
K31
LM-K300Q, LMK300, LGL355DL
SU420 Cafe
-
Price
K31
About 130 EUR
SU420 Cafe
-