Screen size
K31Winner: 5.7"+30%
Optimus 2X SU6604.0"
Quick verdict
K31 leads the measured specs 12-1.
Measured wins
K31
12
spec wins
Overall winner
Ties
4
equal specs
Optimus 2X SU660
1
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
Optimus 2X SU660
GSM / HSPA
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
Optimus 2X SU660
GSM 850 / 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Optimus 2X SU660
HSDPA
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
Optimus 2X SU660
-
Speed
K31
HSPA, LTE
Optimus 2X SU660
HSPA 7.2/5.76 Mbps
GPRS
K31
-
Optimus 2X SU660
Yes
EDGE
K31
-
Optimus 2X SU660
Yes
Announced
K31
2020, August 21. Released 2020, August 21
Optimus 2X SU660
2010, December. Released 2011, January
Status
K31
Discontinued
Optimus 2X SU660
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
Optimus 2X SU660
123.9 x 63.2 x 10.9 mm (4.88 x 2.49 x 0.43 in)
Weight
K31
146 g (5.15 oz)
Optimus 2X SU660
139 g (4.90 oz)
SIM
K31
Nano-SIM + Nano-SIM
Optimus 2X SU660
Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Optimus 2X SU660
-
Type
K31
IPS LCD
Optimus 2X SU660
IPS LCD
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Optimus 2X SU660
4.0 inches, 45.5 cm2 (~58.2% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Optimus 2X SU660
480 x 800 pixels, 5:3 ratio (~233 ppi density)
Protection
K31
-
Optimus 2X SU660
Corning Gorilla Glass
OS
K31
Android 10, LG UX 9.1
Optimus 2X SU660
Android 2.2 (Froyo), 2.3, upgradable to 4.0 (Ice Cream Sandwich)
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
Optimus 2X SU660
Nvidia Tegra 2 AP20H
CPU
K31
Octa-core 2.0 GHz Cortex-A53
Optimus 2X SU660
Dual-core 1.0 GHz Cortex-A9
GPU
K31
PowerVR GE8320
Optimus 2X SU660
ULP GeForce
Card slot
K31
microSDXC
Optimus 2X SU660
microSDHC (dedicated slot)
Internal
K31
32GB 2GB RAM
Optimus 2X SU660
8GB 512MB RAM
Other
K31
eMMC 5.1
Optimus 2X SU660
-
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
Optimus 2X SU660
-
Features
K31
LED flash, panorama, HDR
Optimus 2X SU660
LED flash
Video
K31
1080p@30fps
Optimus 2X SU660
1080p@24fps, 720p@30fps
Single
K31
-
Optimus 2X SU660
8 MP, AF
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Optimus 2X SU660
1.3 MP
Video
K31
1080p@30fps
Optimus 2X SU660
Loudspeaker
K31
Yes
Optimus 2X SU660
Yes
3.5mm jack
K31
Yes
Optimus 2X SU660
Yes
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Optimus 2X SU660
Wi-Fi 802.11 b/g/n, DLNA, hotspot
Bluetooth
K31
5.0, A2DP, LE
Optimus 2X SU660
2.1, A2DP
Positioning
K31
GPS
Optimus 2X SU660
GPS, A-GPS
NFC
K31
No
Optimus 2X SU660
-
Radio
K31
No
Optimus 2X SU660
Stereo FM radio, RDS
USB
K31
microUSB 2.0
Optimus 2X SU660
microUSB 2.0
Sensors
K31
Fingerprint (rear-mounted), accelerometer
Optimus 2X SU660
Accelerometer, gyro, proximity, compass
Browser
K31
-
Optimus 2X SU660
HTML, Adobe Flash
Other
K31
-
Optimus 2X SU660
TDMB Mobile TV HDMI port DivX/Xvid/MP4/H.264/WMV player MP3/WAV/WMA/eAAC+ player Document viewer Organizer Voice memo/dial/commands Predictive text input
Type
K31
Li-Ion 3000 mAh
Optimus 2X SU660
Removable Li-Ion 1500 mAh battery
Stand-by
K31
-
Optimus 2X SU660
Up to 300 h
Talk time
K31
-
Optimus 2X SU660
Up to 6 h
Colors
K31
Gray
Optimus 2X SU660
Black, white
Models
K31
LM-K300Q, LMK300, LGL355DL
Optimus 2X SU660
-
Price
K31
About 130 EUR
Optimus 2X SU660
About 150 EUR