Screen size
K31Winner: 5.7"+33%
Optimus Mach LU30003.8"
Quick verdict
K31 leads the measured specs 12-1.
Measured wins
K31
12
spec wins
Overall winner
Ties
4
equal specs
Optimus Mach LU3000
1
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
Optimus Mach LU3000
GSM / HSPA
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
Optimus Mach LU3000
GSM 850 / 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Optimus Mach LU3000
HSDPA 2100
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 Mach LU3000
-
Speed
K31
HSPA, LTE
Optimus Mach LU3000
HSPA
Announced
K31
2020, August 21. Released 2020, August 21
Optimus Mach LU3000
2010, December. Released 2010, December
Status
K31
Discontinued
Optimus Mach LU3000
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
Optimus Mach LU3000
112.5 x 57.9 x 12.9 mm (4.43 x 2.28 x 0.51 in)
Weight
K31
146 g (5.15 oz)
Optimus Mach LU3000
140 g (4.94 oz)
SIM
K31
Nano-SIM + Nano-SIM
Optimus Mach LU3000
Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Optimus Mach LU3000
-
Type
K31
IPS LCD
Optimus Mach LU3000
IPS LCD
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Optimus Mach LU3000
3.8 inches, 41.1 cm2 (~63.1% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Optimus Mach LU3000
480 x 800 pixels, 5:3 ratio (~246 ppi density)
Protection
K31
-
Optimus Mach LU3000
Corning Gorilla Glass
OS
K31
Android 10, LG UX 9.1
Optimus Mach LU3000
Android 2.2 (Froyo)
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
Optimus Mach LU3000
TI OMAP 3630
CPU
K31
Octa-core 2.0 GHz Cortex-A53
Optimus Mach LU3000
1.0 GHz Cortex-A8
GPU
K31
PowerVR GE8320
Optimus Mach LU3000
PowerVR SGX530
Card slot
K31
microSDXC
Optimus Mach LU3000
microSDHC (dedicated slot)
Internal
K31
32GB 2GB RAM
Optimus Mach LU3000
8GB
Other
K31
eMMC 5.1
Optimus Mach LU3000
-
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 Mach LU3000
-
Features
K31
LED flash, panorama, HDR
Optimus Mach LU3000
LED flash
Video
K31
1080p@30fps
Optimus Mach LU3000
1080p@30fps
Single
K31
-
Optimus Mach LU3000
5 MP, AF
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Optimus Mach LU3000
-
Video
K31
1080p@30fps
Optimus Mach LU3000
-
Other
K31
-
Optimus Mach LU3000
No
Loudspeaker
K31
Yes
Optimus Mach LU3000
Yes
3.5mm jack
K31
Yes
Optimus Mach LU3000
Yes
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Optimus Mach LU3000
Wi-Fi 802.11 b/g, DLNA, hotspot
Bluetooth
K31
5.0, A2DP, LE
Optimus Mach LU3000
2.1, A2DP
Positioning
K31
GPS
Optimus Mach LU3000
GPS, A-GPS
NFC
K31
No
Optimus Mach LU3000
-
Radio
K31
No
Optimus Mach LU3000
No
USB
K31
microUSB 2.0
Optimus Mach LU3000
microUSB 2.0
Sensors
K31
Fingerprint (rear-mounted), accelerometer
Optimus Mach LU3000
Accelerometer, proximity, compass
Browser
K31
-
Optimus Mach LU3000
HTML, Adobe Flash
Other
K31
-
Optimus Mach LU3000
DMB Mobile TV HDMI port DivX/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 Mach LU3000
Removable Li-Ion 1500 mAh battery
Stand-by
K31
-
Optimus Mach LU3000
Up to 200 h
Talk time
K31
-
Optimus Mach LU3000
Up to 4 h
Colors
K31
Gray
Optimus Mach LU3000
Black, white
Models
K31
LM-K300Q, LMK300, LGL355DL
Optimus Mach LU3000
-
Price
K31
About 130 EUR
Optimus Mach LU3000
About 130 EUR