Screen size
K31Winner: 5.7"+65%
U8802.0"
Quick verdict
K31 leads the measured specs 14-2.
Measured wins
K31
14
spec wins
Overall winner
Ties
2
equal specs
U880
2
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
U880
GSM / UMTS
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
U880
GSM 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
U880
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
equal specsStereo speakers
U880
-
Speed
K31
HSPA, LTE
U880
Yes, 384 kbps
Announced
K31
2020, August 21. Released 2020, August 21
U880
2005, October
Status
K31
Discontinued
U880
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
U880
98.8 x 49 x 18.2 mm, 80 cc (3.89 x 1.93 x 0.72 in)
Weight
K31
146 g (5.15 oz)
U880
99 g (3.49 oz)
SIM
K31
Nano-SIM + Nano-SIM
U880
Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
U880
-
Type
K31
IPS LCD
U880
TFT, 256K colors
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
U880
2.0 inches, 31 x 39 mm, 12.6 cm2 (~26.0% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
U880
176 x 220 pixels (~141 ppi density)
Other
K31
-
U880
Second external TFT display, 65K colors, (96 x 96 pixels) Downloadable wallpapers
OS
K31
Android 10, LG UX 9.1
U880
-
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
U880
-
CPU
K31
Octa-core 2.0 GHz Cortex-A53
U880
-
GPU
K31
PowerVR GE8320
U880
-
Card slot
K31
microSDXC
U880
microSD (dedicated slot)
Internal
K31
32GB 2GB RAM
U880
75MB
Other
K31
eMMC 5.1
U880
-
Phonebook
K31
-
U880
500 entries
Call records
K31
-
U880
10 dialed, 10 received, 10 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
U880
-
Features
K31
LED flash, panorama, HDR
U880
180 deg rotating lens
Video
K31
1080p@30fps
U880
QCIF
Single
K31
-
U880
1.3 MP
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
U880
-
Video
K31
1080p@30fps
U880
-
Other
K31
-
U880
No
Loudspeaker
K31
Yes
U880
Yes, with stereo speakers
3.5mm jack
K31
Yes
U880
No
Alert types
K31
-
U880
Vibration; Downloadable polyphonic, MP3 ringtones
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
U880
No
Bluetooth
K31
5.0, A2DP, LE
U880
1.1
Positioning
K31
GPS
U880
No
NFC
K31
No
U880
-
Radio
K31
No
U880
No
USB
K31
microUSB 2.0
U880
Proprietary
Sensors
K31
Fingerprint (rear-mounted), accelerometer
U880
Messaging
K31
-
U880
SMS, EMS, MMS, Email
Browser
K31
-
U880
WAP 2.0/xHTML
Games
K31
-
U880
Yes + downloadable
Java
K31
-
U880
Yes, MIDP 2.0
Other
K31
-
U880
Video telephony MP3/AAC/MP4 player Predictive text input Organizer
Type
K31
Li-Ion 3000 mAh
U880
Removable Li-Ion 1050 mAh battery
Stand-by
K31
-
U880
Up to 236 h
Talk time
K31
-
U880
Up to 4 h
Colors
K31
Gray
U880
4 - glossy black, matt black, silver, pink
Models
K31
LM-K300Q, LMK300, LGL355DL
U880
-
Price
K31
About 130 EUR
U880
-