Screen size
K31Winner: 5.7"+44%
Vortex VS6603.2"
Quick verdict
K31 leads the measured specs 12-1.
Measured wins
K31
12
spec wins
Overall winner
Ties
4
equal specs
Vortex VS660
1
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
Vortex VS660
CDMA / EVDO
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
Vortex VS660
CDMA 800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Vortex VS660
CDMA2000 1xEV-DO
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
Vortex VS660
-
Speed
K31
HSPA, LTE
Vortex VS660
EV-DO Rev.0, 153.2 Kbps
Announced
K31
2020, August 21. Released 2020, August 21
Vortex VS660
2010, November. Released 2010, December
Status
K31
Discontinued
Vortex VS660
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
Vortex VS660
113.5 x 59 x 13.3 mm (4.47 x 2.32 x 0.52 in)
Weight
K31
146 g (5.15 oz)
Vortex VS660
124.8 (4.37 oz)
SIM
K31
Nano-SIM + Nano-SIM
Vortex VS660
Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Vortex VS660
-
Type
K31
IPS LCD
Vortex VS660
TFT, 256K colors
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Vortex VS660
3.2 inches, 30.5 cm2 (~45.5% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Vortex VS660
320 x 480 pixels, 3:2 ratio (~180 ppi density)
OS
K31
Android 10, LG UX 9.1
Vortex VS660
Android 2.2 (Froyo)
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
Vortex VS660
-
CPU
K31
Octa-core 2.0 GHz Cortex-A53
Vortex VS660
600 MHz
GPU
K31
PowerVR GE8320
Vortex VS660
-
Card slot
K31
microSDXC
Vortex VS660
microSDHC (dedicated slot), 2 GB included
Internal
K31
32GB 2GB RAM
Vortex VS660
170MB
Other
K31
eMMC 5.1
Vortex VS660
-
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
Vortex VS660
-
Features
K31
LED flash, panorama, HDR
Vortex VS660
-
Video
K31
1080p@30fps
Vortex VS660
Yes
Single
K31
-
Vortex VS660
3.15 MP, AF
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Vortex VS660
-
Video
K31
1080p@30fps
Vortex VS660
-
Other
K31
-
Vortex VS660
No
Loudspeaker
K31
Yes
Vortex VS660
Yes
3.5mm jack
K31
Yes
Vortex VS660
Yes
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Vortex VS660
Wi-Fi 802.11 b/g, hotspot
Bluetooth
K31
5.0, A2DP, LE
Vortex VS660
2.1, A2DP
Positioning
K31
GPS
Vortex VS660
GPS, A-GPS
NFC
K31
No
Vortex VS660
-
Radio
K31
No
Vortex VS660
No
USB
K31
microUSB 2.0
Vortex VS660
microUSB 2.0
Sensors
K31
Fingerprint (rear-mounted), accelerometer
Vortex VS660
Accelerometer, proximity, compass
Browser
K31
-
Vortex VS660
HTML
Other
K31
-
Vortex VS660
DivX/Xvid/MP4/H.264/WMV player MP3/WAV/WMA/eAAC+ player Document viewer Organizer Voice memo Predictive text input (Swype)
Type
K31
Li-Ion 3000 mAh
Vortex VS660
Removable Li-Ion 1500 mAh battery
Stand-by
K31
-
Vortex VS660
Up to 500 h
Talk time
K31
-
Vortex VS660
Up to 7 h 30 min
Colors
K31
Gray
Vortex VS660
Black
Models
K31
LM-K300Q, LMK300, LGL355DL
Vortex VS660
-
Price
K31
About 130 EUR
Vortex VS660
-
SAR
K31
-
Vortex VS660
1.20 W/kg (head) 0.79 W/kg (body)