Screen size
GB1091.5"
K31Winner: 5.7"+74%
Quick verdict
K31 leads the measured specs 15-1.
Measured wins
GB109
1
spec wins
Ties
1
equal specs
K31
15
spec wins
Overall winner
Screen size
Technology
GB109
GSM
K31
GSM / CDMA / HSPA / LTE
2G bands
GB109
GSM 900 / 1800 / 1900
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
GPRS
GB109
Yes
K31
-
EDGE
GB109
No
K31
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
-
3G bands
GB109
-
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
GB109
-
K31
2, 4, 5, 12, 13, 25, 26, 41, 66, 71
Speed
GB109
-
K31
HSPA, LTE
Announced
GB109
2009, August. Released 2009, September
K31
2020, August 21. Released 2020, August 21
Status
GB109
Discontinued
K31
Discontinued
Dimensions
GB109
102 x 45 x 14.6 mm (4.02 x 1.77 x 0.57 in)
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
Weight
GB109
92 g (3.25 oz)
K31
146 g (5.15 oz)
SIM
GB109
Mini-SIM
K31
Nano-SIM + Nano-SIM
Other
GB109
-
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
GB109
CSTN, 65K colors
K31
IPS LCD
Size
GB109
1.5 inches, 7.3 cm2 (~15.8% screen-to-body ratio)
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Resolution
GB109
128 x 128 pixels, 1:1 ratio (~121 ppi density)
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Card slot
GB109
No
K31
microSDXC
Phonebook
GB109
Yes
K31
-
Call records
GB109
Yes
K31
-
Internal
GB109
1MB
K31
32GB 2GB RAM
Other
GB109
-
K31
eMMC 5.1
Other
GB109
No
K31
-
Loudspeaker
GB109
Yes
K31
Yes
3.5mm jack
GB109
No
K31
Yes
WLAN
GB109
No
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
GB109
No
K31
5.0, A2DP, LE
Positioning
GB109
No
K31
GPS
Radio
GB109
Stereo FM radio; built-in antenna
K31
No
USB
GB109
No
K31
microUSB 2.0
NFC
GB109
-
K31
No
Sensors
GB109
K31
Fingerprint (rear-mounted), accelerometer
Messaging
GB109
SMS
K31
-
Browser
GB109
No
K31
-
Games
GB109
Yes
K31
-
Java
GB109
No
K31
-
Other
GB109
Calendar Calculator Predictive text input
K31
-
Type
GB109
Removable Li-Ion 950 mAh battery
K31
Li-Ion 3000 mAh
Stand-by
GB109
Up to 400 h
K31
-
Talk time
GB109
Up to 6 h
K31
-
Colors
GB109
Black
K31
Gray
Price
GB109
About 30 EUR
K31
About 130 EUR
Models
GB109
-
K31
LM-K300Q, LMK300, LGL355DL
OS
GB109
-
K31
Android 10, LG UX 9.1
Chipset
GB109
-
K31
Mediatek MT6762 Helio P22 (12 nm)
CPU
GB109
-
K31
Octa-core 2.0 GHz Cortex-A53
GPU
GB109
-
K31
PowerVR GE8320
Dual
GB109
-
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
Features
GB109
-
K31
LED flash, panorama, HDR
Video
GB109
-
K31
1080p@30fps
Single
GB109
-
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Video
GB109
-
K31
1080p@30fps