Screen size
CU720 Shine2.2"
K31Winner: 5.7"+61%
Quick verdict
K31 leads the measured specs 14-1.
Measured wins
CU720 Shine
1
spec wins
Ties
2
equal specs
K31
14
spec wins
Overall winner
Screen size
Technology
CU720 Shine
GSM / HSPA
K31
GSM / CDMA / HSPA / LTE
2G bands
CU720 Shine
GSM 850 / 900 / 1800 / 1900
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
3G bands
CU720 Shine
HSDPA 850 / 1900
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Speed
CU720 Shine
HSPA 3.6/0.384 Mbps
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
5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
K31
HSPA, LTE
4G bands
CU720 Shine
-
K31
2, 4, 5, 12, 13, 25, 26, 41, 66, 71
Announced
CU720 Shine
2007, October
K31
2020, August 21. Released 2020, August 21
Status
CU720 Shine
Discontinued
K31
Discontinued
Dimensions
CU720 Shine
100 x 50.5 x 15 mm (3.94 x 1.99 x 0.59 in)
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
Weight
CU720 Shine
119 g (4.23 oz)
K31
146 g (5.15 oz)
SIM
CU720 Shine
Mini-SIM
K31
Nano-SIM + Nano-SIM
Other
CU720 Shine
-
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
CU720 Shine
TFT, 256K colors
K31
IPS LCD
Size
CU720 Shine
2.2 inches, 15.0 cm2 (~29.7% screen-to-body ratio)
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Resolution
CU720 Shine
240 x 320 pixels, 4:3 ratio (~182 ppi density)
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Other
CU720 Shine
Mirror effect screen, full metal body Downloadable wallpapers
K31
-
Card slot
CU720 Shine
microSD (dedicated slot)
K31
microSDXC
Phonebook
CU720 Shine
500 entries, Photocall
K31
-
Call records
CU720 Shine
50 dialed, 50 received, 50 missed calls
K31
-
Internal
CU720 Shine
50MB
K31
32GB 2GB RAM
Other
CU720 Shine
300 text messages
K31
eMMC 5.1
Single
CU720 Shine
2 MP, AF
K31
-
Features
CU720 Shine
Schneider-Kreuznach optics, LED flash
K31
LED flash, panorama, HDR
Video
CU720 Shine
Yes
K31
1080p@30fps
Dual
CU720 Shine
-
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
Other
CU720 Shine
No
K31
-
Single
CU720 Shine
-
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Video
CU720 Shine
-
K31
1080p@30fps
Loudspeaker
CU720 Shine
Yes
K31
Yes
Alert types
CU720 Shine
Vibration; Downloadable polyphonic, MP3 ringtones
K31
-
3.5mm jack
CU720 Shine
No
K31
Yes
WLAN
CU720 Shine
No
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
CU720 Shine
1.2, A2DP
K31
5.0, A2DP, LE
Positioning
CU720 Shine
No
K31
GPS
Radio
CU720 Shine
No
K31
No
USB
CU720 Shine
Proprietary
K31
microUSB 2.0
NFC
CU720 Shine
-
K31
No
Sensors
CU720 Shine
K31
Fingerprint (rear-mounted), accelerometer
Messaging
CU720 Shine
SMS, EMS, MMS, Email
K31
-
Browser
CU720 Shine
WAP 2.0/xHTML
K31
-
Games
CU720 Shine
Yes + download
K31
-
Java
CU720 Shine
Yes, MIDP 2.0
K31
-
Other
CU720 Shine
MP3/AAC+/3GP/MP4 player Predictive text input Organizer Voice memo
K31
-
Type
CU720 Shine
Removable Li-Ion 900 mAh battery
K31
Li-Ion 3000 mAh
Stand-by
CU720 Shine
Up to 250 h
K31
-
Talk time
CU720 Shine
Up to 3 h
K31
-
Colors
CU720 Shine
Silver
K31
Gray
SAR
CU720 Shine
1.14 W/kg (head) 0.65 W/kg (body)
K31
-
Price
CU720 Shine
About 70 EUR
K31
About 130 EUR
Models
CU720 Shine
-
K31
LM-K300Q, LMK300, LGL355DL
OS
CU720 Shine
-
K31
Android 10, LG UX 9.1
Chipset
CU720 Shine
-
K31
Mediatek MT6762 Helio P22 (12 nm)
CPU
CU720 Shine
-
K31
Octa-core 2.0 GHz Cortex-A53
GPU
CU720 Shine
-
K31
PowerVR GE8320