Screen size
GT5053.0"
K31Winner: 5.7"+47%
Quick verdict
K31 leads the measured specs 13-1.
Measured wins
GT505
1
spec wins
Ties
3
equal specs
K31
13
spec wins
Overall winner
Screen size
Technology
GT505
GSM / HSPA
K31
GSM / CDMA / HSPA / LTE
2G bands
GT505
GSM 850 / 900 / 1800 / 1900
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
3G bands
GT505
HSDPA 1900 / 2100
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Speed
GT505
HSPA 3.6/0.384 Mbps
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
SD card
equal specsStereo speakers
K31
HSPA, LTE
4G bands
GT505
-
K31
2, 4, 5, 12, 13, 25, 26, 41, 66, 71
Announced
GT505
2009, June. Released 2009, August
K31
2020, August 21. Released 2020, August 21
Status
GT505
Discontinued
K31
Discontinued
Dimensions
GT505
107 x 54.5 x 11.8 mm (4.21 x 2.15 x 0.46 in)
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
Weight
GT505
98 g (3.46 oz)
K31
146 g (5.15 oz)
SIM
GT505
Mini-SIM
K31
Nano-SIM + Nano-SIM
Other
GT505
-
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
GT505
TFT, 256K colors
K31
IPS LCD
Size
GT505
3.0 inches, 25.6 cm2 (~43.9% screen-to-body ratio)
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Resolution
GT505
240 x 400 pixels, 5:3 ratio (~155 ppi density)
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Card slot
GT505
microSDHC (dedicated slot)
K31
microSDXC
Phonebook
GT505
Yes, Photocall
K31
-
Call records
GT505
Yes
K31
-
Internal
GT505
60MB
K31
32GB 2GB RAM
Other
GT505
-
K31
eMMC 5.1
Single
GT505
5 MP, AF
K31
-
Features
GT505
LED flash
K31
LED flash, panorama, HDR
Video
GT505
Yes
K31
1080p@30fps
Dual
GT505
-
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
Other
GT505
Videocall camera
K31
-
Single
GT505
-
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Video
GT505
-
K31
1080p@30fps
Loudspeaker
GT505
Yes
K31
Yes
3.5mm jack
GT505
No
K31
Yes
WLAN
GT505
Wi-Fi 802.11b/g
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
GT505
2.0, A2DP
K31
5.0, A2DP, LE
Positioning
GT505
GPS, A-GPS; WisePilot
K31
GPS
Radio
GT505
Stereo FM radio
K31
No
USB
GT505
2.0
K31
microUSB 2.0
NFC
GT505
-
K31
No
Sensors
GT505
Accelerometer
K31
Fingerprint (rear-mounted), accelerometer
Messaging
GT505
SMS, MMS, Email, Push Email
K31
-
Browser
GT505
WAP 2.0/xHTML, HTML
K31
-
Games
GT505
Yes
K31
-
Java
GT505
Yes, MIDP 2.0
K31
-
Other
GT505
MP3/MP4 player Organizer Document viewer (Word, Excel, PowerPoint, PDF) Voice memo Predictive text input
K31
-
Type
GT505
Removable Li-Ion 1000 mAh battery
K31
Li-Ion 3000 mAh
Stand-by
GT505
Up to 260 h (2G) / Up to 420 h (3G)
K31
-
Talk time
GT505
Up to 7 h (2G) / Up to 7 h (3G)
K31
-
Colors
GT505
Black
K31
Gray
SAR
GT505
0.56 W/kg (head) 0.31 W/kg (body)
K31
-
Price
GT505
About 100 EUR
K31
About 130 EUR
Models
GT505
-
K31
LM-K300Q, LMK300, LGL355DL
OS
GT505
-
K31
Android 10, LG UX 9.1
Chipset
GT505
-
K31
Mediatek MT6762 Helio P22 (12 nm)
CPU
GT505
-
K31
Octa-core 2.0 GHz Cortex-A53
GPU
GT505
-
K31
PowerVR GE8320