Screen size
K31Winner: 5.7"+65%
Trax CU5752.0"
Quick verdict
K31 leads the measured specs 14-1.
Measured wins
K31
14
spec wins
Overall winner
Ties
2
equal specs
Trax CU575
1
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
Trax CU575
GSM / HSPA
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
Trax CU575
GSM 850 / 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Trax CU575
HSDPA 850 / 1900
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
Trax CU575
-
Speed
K31
HSPA, LTE
Trax CU575
HSPA 3.6/0.384 Mbps
Announced
K31
2020, August 21. Released 2020, August 21
Trax CU575
2007, August
Status
K31
Discontinued
Trax CU575
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
Trax CU575
99 x 51 x 15.7 mm (3.90 x 2.01 x 0.62 in)
Weight
K31
146 g (5.15 oz)
Trax CU575
110 g (3.88 oz)
SIM
K31
Nano-SIM + Nano-SIM
Trax CU575
Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Trax CU575
-
Type
K31
IPS LCD
Trax CU575
TFT, 65K colors
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Trax CU575
2.0 inches, 12.6 cm2 (~24.9% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Trax CU575
176 x 220 pixels (~141 ppi density)
Other
K31
-
Trax CU575
Second external TFT, 128 x 160 pixels Downloadable wallpapers
OS
K31
Android 10, LG UX 9.1
Trax CU575
-
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
Trax CU575
-
CPU
K31
Octa-core 2.0 GHz Cortex-A53
Trax CU575
-
GPU
K31
PowerVR GE8320
Trax CU575
-
Card slot
K31
microSDXC
Trax CU575
microSDHC (dedicated slot)
Internal
K31
32GB 2GB RAM
Trax CU575
-
Other
K31
eMMC 5.1
Trax CU575
-
Phonebook
K31
-
Trax CU575
500 entries
Call records
K31
-
Trax CU575
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
Trax CU575
-
Features
K31
LED flash, panorama, HDR
Trax CU575
-
Video
K31
1080p@30fps
Trax CU575
QCIF
Single
K31
-
Trax CU575
1.3 MP
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Trax CU575
-
Video
K31
1080p@30fps
Trax CU575
-
Other
K31
-
Trax CU575
No
Loudspeaker
K31
Yes
Trax CU575
Yes
3.5mm jack
K31
Yes
Trax CU575
No
Alert types
K31
-
Trax CU575
Vibration; Downloadable polyphonic, MP3 ringtones
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Trax CU575
No
Bluetooth
K31
5.0, A2DP, LE
Trax CU575
1.2, A2DP
Positioning
K31
GPS
Trax CU575
No
NFC
K31
No
Trax CU575
-
Radio
K31
No
Trax CU575
No
USB
K31
microUSB 2.0
Trax CU575
Proprietary
Sensors
K31
Fingerprint (rear-mounted), accelerometer
Trax CU575
Messaging
K31
-
Trax CU575
SMS, EMS, MMS, Email
Browser
K31
-
Trax CU575
WAP 2.0/xHTML
Games
K31
-
Trax CU575
Yes + downloadable
Java
K31
-
Trax CU575
Yes, MIDP 2.0
Other
K31
-
Trax CU575
MP3/AAC player Predictive text input Voice dial Organizer Tip Calculator World Clock Stop Watch Date Finder D-Day Counter
Type
K31
Li-Ion 3000 mAh
Trax CU575
Removable Li-Po 980 mAh battery
Stand-by
K31
-
Trax CU575
Up to 300 h
Talk time
K31
-
Trax CU575
Up to 3 h
Colors
K31
Gray
Trax CU575
Black, Gray
Models
K31
LM-K300Q, LMK300, LGL355DL
Trax CU575
-
Price
K31
About 130 EUR
Trax CU575
About 80 EUR
SAR
K31
-
Trax CU575
1.26 W/kg (head) 0.54 W/kg (body)