Screen size
K31Winner: 5.7"
U8138—
Quick verdict
K31 leads the measured specs 15-1.
Measured wins
K31
15
spec wins
Overall winner
Ties
1
equal specs
U8138
1
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
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GSM / UMTS
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
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GSM 900 / 1800
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
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UMTS 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
5G support
equal specsNFC
3.5mm jack
SD card
Stereo speakers
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-
Speed
K31
HSPA, LTE
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Yes, 384 kbps
Announced
K31
2020, August 21. Released 2020, August 21
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2004, Q3
Status
K31
Discontinued
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Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
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95.7 x 49.5 x 22.4 mm (3.77 x 1.95 x 0.88 in)
Weight
K31
146 g (5.15 oz)
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126 g (4.44 oz)
SIM
K31
Nano-SIM + Nano-SIM
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Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
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-
Type
K31
IPS LCD
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TFT, 256K colors
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
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Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
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176 x 220 pixels, 7 lines
Other
K31
-
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Second external 65K colors display, 110 x 88 pixels Four way navigation keys Wallpapers
OS
K31
Android 10, LG UX 9.1
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-
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
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-
CPU
K31
Octa-core 2.0 GHz Cortex-A53
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-
GPU
K31
PowerVR GE8320
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-
Card slot
K31
microSDXC
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No
Internal
K31
32GB 2GB RAM
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32MB
Other
K31
eMMC 5.1
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-
Phonebook
K31
-
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500 entries
Call records
K31
-
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20 dialed, received and missed calls
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
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-
Features
K31
LED flash, panorama, HDR
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-
Video
K31
1080p@30fps
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QCIF
Single
K31
-
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VGA, 180 deg swivel
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
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-
Video
K31
1080p@30fps
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-
Other
K31
-
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No
Loudspeaker
K31
Yes
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Yes
3.5mm jack
K31
Yes
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No
Alert types
K31
-
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Vibration; Downloadable polyphonic, MP3, AAC ringtones
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
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No
Bluetooth
K31
5.0, A2DP, LE
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No
Positioning
K31
GPS
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No
NFC
K31
No
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-
Radio
K31
No
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No
USB
K31
microUSB 2.0
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Proprietary
Infrared port
K31
-
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Yes
Sensors
K31
Fingerprint (rear-mounted), accelerometer
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Messaging
K31
-
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SMS, MMS, Email
Browser
K31
-
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WAP 2.0/xHTML
Games
K31
-
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Yes
Java
K31
-
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Yes, MIDP 2.0
Other
K31
-
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Predictive text input MP3/MP4/AAC player Voice memo/dial Organizer
Type
K31
Li-Ion 3000 mAh
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Removable Li-Ion 1000 mAh battery
Stand-by
K31
-
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Up to 120 h
Talk time
K31
-
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Up to 2 h
Colors
K31
Gray
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Silver, Blue
Models
K31
LM-K300Q, LMK300, LGL355DL
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-
Price
K31
About 130 EUR
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