Screen size
K31Winner: 5.7"+51%
KT7702.8"
Quick verdict
K31 leads the measured specs 15-0.
Measured wins
K31
15
spec wins
Overall winner
Ties
2
equal specs
KT770
0
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
KT770
GSM / HSPA
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
KT770
GSM 850 / 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
KT770
HSDPA 850 / 2100 , HSDPA 900 / 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
KT770
-
Speed
K31
HSPA, LTE
KT770
HSPA 7.2/0.384 Mbps
Announced
K31
2020, August 21. Released 2020, August 21
KT770
2009, February. Released 2009, Q2
Status
K31
Discontinued
KT770
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
KT770
111 x 51.5 x 15.8 mm (4.37 x 2.03 x 0.62 in)
Weight
K31
146 g (5.15 oz)
KT770
SIM
K31
Nano-SIM + Nano-SIM
KT770
Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
KT770
-
Type
K31
IPS LCD
KT770
TFT, 256K colors
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
KT770
2.8 inches, 22.3 cm2 (~39.0% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
KT770
240 x 400 pixels, 5:3 ratio (~167 ppi density)
Other
K31
-
KT770
Touch-sensitive navigation keys
OS
K31
Android 10, LG UX 9.1
KT770
Symbian OS 9.3 Series60 rel. 3.2.3
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
KT770
-
CPU
K31
Octa-core 2.0 GHz Cortex-A53
KT770
-
GPU
K31
PowerVR GE8320
KT770
-
Card slot
K31
microSDXC
KT770
microSDHC (dedicated slot)
Internal
K31
32GB 2GB RAM
KT770
120MB
Other
K31
eMMC 5.1
KT770
-
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
KT770
-
Features
K31
LED flash, panorama, HDR
KT770
LED flash
Video
K31
1080p@30fps
KT770
480p@30fps
Single
K31
-
KT770
5 MP, AF
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
KT770
VGA videocall camera
Video
K31
1080p@30fps
KT770
Loudspeaker
K31
Yes
KT770
Yes
3.5mm jack
K31
Yes
KT770
No
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
KT770
Wi-Fi 802.11 b/g
Bluetooth
K31
5.0, A2DP, LE
KT770
2.0
Positioning
K31
GPS
KT770
GPS, A-GPS
NFC
K31
No
KT770
-
Radio
K31
No
KT770
No
USB
K31
microUSB 2.0
KT770
Proprietary
Sensors
K31
Fingerprint (rear-mounted), accelerometer
KT770
Browser
K31
-
KT770
WAP 2.0/xHTML MP 1.1, HTML 4.01
Other
K31
-
KT770
WMV/RV/MP4/3GP player MP3/WMA/WAV/RA/AAC/M4A player Organizer Document viewer (Word, Excel, PowerPoint, PDF) Voice memo Predictive text input
Type
K31
Li-Ion 3000 mAh
KT770
Removable Li-Ion 950 mAh battery
Colors
K31
Gray
KT770
Black
Models
K31
LM-K300Q, LMK300, LGL355DL
KT770
-
Price
K31
About 130 EUR
KT770
-
SAR
K31
-
KT770
0.36 W/kg (head) 0.75 W/kg (body)