Screen size
K31Winner: 5.7"+18%
L90 D4054.7"
Quick verdict
K31 leads the measured specs 11-2.
Measured wins
K31
11
spec wins
Overall winner
Ties
4
equal specs
L90 D405
2
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
L90 D405
GSM / HSPA
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
L90 D405
GSM 850 / 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
L90 D405
HSDPA 900 / 1900 / 2100 , HSDPA 900 / 2100 - D405N
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
L90 D405
-
Speed
K31
HSPA, LTE
L90 D405
HSPA 21.1/5.76 Mbps
Announced
K31
2020, August 21. Released 2020, August 21
L90 D405
2014, February. Released 2014, March
Status
K31
Discontinued
L90 D405
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
L90 D405
131.6 x 66 x 9.7 mm (5.18 x 2.60 x 0.38 in)
Weight
K31
146 g (5.15 oz)
L90 D405
126 g (4.44 oz)
SIM
K31
Nano-SIM + Nano-SIM
L90 D405
Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
L90 D405
-
Type
K31
IPS LCD
L90 D405
IPS LCD
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
L90 D405
4.7 inches, 60.9 cm2 (~70.1% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
L90 D405
540 x 960 pixels, 16:9 ratio (~234 ppi density)
Protection
K31
-
L90 D405
Corning Gorilla Glass 2
OS
K31
Android 10, LG UX 9.1
L90 D405
Android 4.4.2 (KitKat)
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
L90 D405
Qualcomm MSM8226 Snapdragon 400 (28 nm)
CPU
K31
Octa-core 2.0 GHz Cortex-A53
L90 D405
Quad-core 1.2 GHz Cortex-A7
GPU
K31
PowerVR GE8320
L90 D405
Adreno 305
Card slot
K31
microSDXC
L90 D405
microSDHC (dedicated slot)
Internal
K31
32GB 2GB RAM
L90 D405
8GB 1GB RAM
Other
K31
eMMC 5.1
L90 D405
eMMC 4.5
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
L90 D405
-
Features
K31
LED flash, panorama, HDR
L90 D405
LED flash, panorama
Video
K31
1080p@30fps
L90 D405
1080p@30fps
Single
K31
-
L90 D405
5 MP or 8 MP, AF
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
L90 D405
1.3 MP/ VGA
Video
K31
1080p@30fps
L90 D405
Loudspeaker
K31
Yes
L90 D405
Yes
3.5mm jack
K31
Yes
L90 D405
Yes
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
L90 D405
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, hotspot
Bluetooth
K31
5.0, A2DP, LE
L90 D405
4.0, A2DP, LE, aptX
Positioning
K31
GPS
L90 D405
GPS, GLONASS
NFC
K31
No
L90 D405
Yes
Radio
K31
No
L90 D405
FM radio, RDS
USB
K31
microUSB 2.0
L90 D405
microUSB 2.0
Infrared port
K31
-
L90 D405
Yes
Sensors
K31
Fingerprint (rear-mounted), accelerometer
L90 D405
Accelerometer, proximity, compass
Type
K31
Li-Ion 3000 mAh
L90 D405
Li-Ion 2540 mAh, removable
Stand-by
K31
-
L90 D405
Up to 977 h (2G) / Up to 1012 h (3G)
Talk time
K31
-
L90 D405
Up to 24 h 30 min (2G) / Up to 21 h 30 min (3G)
Colors
K31
Gray
L90 D405
White, Black
Models
K31
LM-K300Q, LMK300, LGL355DL
L90 D405
D405, D415
Price
K31
About 130 EUR
L90 D405
About 170 EUR
SAR
K31
-
L90 D405
0.78 W/kg (head) 1.04 W/kg (body)
SAR EU
K31
-
L90 D405
0.47 W/kg (head) 0.44 W/kg (body)