Screen size
GT400 Viewty Smile3.0"
K31Winner: 5.7"+47%
Quick verdict
K31 leads the measured specs 13-1.
Measured wins
GT400 Viewty Smile
1
spec wins
Ties
3
equal specs
K31
13
spec wins
Overall winner
Screen size
Technology
GT400 Viewty Smile
GSM / HSPA
K31
GSM / CDMA / HSPA / LTE
2G bands
GT400 Viewty Smile
GSM 850 / 900 / 1800 / 1900
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
3G bands
GT400 Viewty Smile
HSDPA 1900 / 2100
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Speed
GT400 Viewty Smile
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
equal specs5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
K31
HSPA, LTE
4G bands
GT400 Viewty Smile
-
K31
2, 4, 5, 12, 13, 25, 26, 41, 66, 71
Announced
GT400 Viewty Smile
2010, April. Released 2010, May
K31
2020, August 21. Released 2020, August 21
Status
GT400 Viewty Smile
Discontinued
K31
Discontinued
Dimensions
GT400 Viewty Smile
107 x 54.5 x 11.8 mm (4.21 x 2.15 x 0.46 in)
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
Weight
GT400 Viewty Smile
98 g (3.46 oz)
K31
146 g (5.15 oz)
SIM
GT400 Viewty Smile
Mini-SIM
K31
Nano-SIM + Nano-SIM
Other
GT400 Viewty Smile
-
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
GT400 Viewty Smile
TFT, 256K colors
K31
IPS LCD
Size
GT400 Viewty Smile
3.0 inches, 25.6 cm2 (~43.9% screen-to-body ratio)
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Resolution
GT400 Viewty Smile
240 x 400 pixels, 5:3 ratio (~155 ppi density)
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Other
GT400 Viewty Smile
S-Class Touch UI Handwriting recognition
K31
-
Card slot
GT400 Viewty Smile
microSDHC (dedicated slot)
K31
microSDXC
Phonebook
GT400 Viewty Smile
1000 contacts, Photocall
K31
-
Call records
GT400 Viewty Smile
Yes
K31
-
Internal
GT400 Viewty Smile
160MB
K31
32GB 2GB RAM
Other
GT400 Viewty Smile
-
K31
eMMC 5.1
Single
GT400 Viewty Smile
5 MP, AF
K31
-
Video
GT400 Viewty Smile
320p@20fps
K31
1080p@30fps
Dual
GT400 Viewty Smile
-
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
GT400 Viewty Smile
-
K31
LED flash, panorama, HDR
Other
GT400 Viewty Smile
No
K31
-
Single
GT400 Viewty Smile
-
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Video
GT400 Viewty Smile
-
K31
1080p@30fps
Loudspeaker
GT400 Viewty Smile
Yes
K31
Yes
3.5mm jack
GT400 Viewty Smile
No
K31
Yes
WLAN
GT400 Viewty Smile
No
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
GT400 Viewty Smile
2.1, A2DP
K31
5.0, A2DP, LE
Positioning
GT400 Viewty Smile
No
K31
GPS
Radio
GT400 Viewty Smile
Stereo FM radio, RDS
K31
No
USB
GT400 Viewty Smile
microUSB 2.0
K31
microUSB 2.0
NFC
GT400 Viewty Smile
-
K31
No
Sensors
GT400 Viewty Smile
Accelerometer
K31
Fingerprint (rear-mounted), accelerometer
Messaging
GT400 Viewty Smile
SMS, MMS, Email
K31
-
Browser
GT400 Viewty Smile
WAP 2.0/xHTML, HTML
K31
-
Games
GT400 Viewty Smile
Yes
K31
-
Java
GT400 Viewty Smile
Yes, MIDP 2.0
K31
-
Other
GT400 Viewty Smile
MP3/WMA/eAAC+ player MP4/H.264/WMV player Organizer Document viewer (DOC, XLS, PPT, PDF) Voice memo Music recognition service Predictive text input
K31
-
Type
GT400 Viewty Smile
Removable Li-Ion 1000 mAh battery
K31
Li-Ion 3000 mAh
Stand-by
GT400 Viewty Smile
Up to 350 h
K31
-
Talk time
GT400 Viewty Smile
Up to 3 h 30 min
K31
-
Colors
GT400 Viewty Smile
Black, White, Pink
K31
Gray
SAR
GT400 Viewty Smile
0.52 W/kg (head) 0.27 W/kg (body)
K31
-
Price
GT400 Viewty Smile
About 60 EUR
K31
About 130 EUR
Models
GT400 Viewty Smile
-
K31
LM-K300Q, LMK300, LGL355DL
OS
GT400 Viewty Smile
-
K31
Android 10, LG UX 9.1
Chipset
GT400 Viewty Smile
-
K31
Mediatek MT6762 Helio P22 (12 nm)
CPU
GT400 Viewty Smile
-
K31
Octa-core 2.0 GHz Cortex-A53
GPU
GT400 Viewty Smile
-
K31
PowerVR GE8320