Screen size
GM7503.0"
K31Winner: 5.7"+47%
Quick verdict
K31 leads the measured specs 14-1.
Measured wins
GM750
1
spec wins
Ties
2
equal specs
K31
14
spec wins
Overall winner
Screen size
Technology
GM750
GSM / HSPA
K31
GSM / CDMA / HSPA / LTE
2G bands
GM750
GSM 850 / 900 / 1800 / 1900
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
3G bands
GM750
HSDPA 2100
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Speed
GM750
HSPA 7.2/2 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
5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
K31
HSPA, LTE
4G bands
GM750
-
K31
2, 4, 5, 12, 13, 25, 26, 41, 66, 71
Announced
GM750
2009, September. Released 2009, October
K31
2020, August 21. Released 2020, August 21
Status
GM750
Discontinued
K31
Discontinued
Dimensions
GM750
109.8 x 53.5 x 12.9 mm (4.32 x 2.11 x 0.51 in)
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
Weight
GM750
120 g (4.23 oz)
K31
146 g (5.15 oz)
SIM
GM750
Mini-SIM
K31
Nano-SIM + Nano-SIM
Other
GM750
-
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
GM750
TFT resistive touchscreen, 256K colors
K31
IPS LCD
Size
GM750
3.0 inches, 25.6 cm2 (~43.6% screen-to-body ratio)
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Resolution
GM750
240 x 400 pixels, 5:3 ratio (~155 ppi density)
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Other
GM750
"S-Class" Touch UI
K31
-
OS
GM750
Microsoft Windows Mobile 6.5 Professional
K31
Android 10, LG UX 9.1
Chipset
GM750
Qualcomm MSM7201A
K31
Mediatek MT6762 Helio P22 (12 nm)
CPU
GM750
528 MHz ARM 11
K31
Octa-core 2.0 GHz Cortex-A53
GPU
GM750
Adreno 130
K31
PowerVR GE8320
Card slot
GM750
microSDHC (dedicated slot)
K31
microSDXC
Internal
GM750
200MB
K31
32GB 2GB RAM
Other
GM750
-
K31
eMMC 5.1
Single
GM750
5 MP, AF
K31
-
Video
GM750
Yes
K31
1080p@30fps
Dual
GM750
-
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
GM750
-
K31
LED flash, panorama, HDR
Other
GM750
Videocall camera
K31
-
Single
GM750
-
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Video
GM750
-
K31
1080p@30fps
Loudspeaker
GM750
Yes
K31
Yes
3.5mm jack
GM750
No
K31
Yes
WLAN
GM750
Wi-Fi 802.11b/g
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
GM750
2.1, A2DP
K31
5.0, A2DP, LE
Positioning
GM750
GPS, A-GPS
K31
GPS
Radio
GM750
Stereo FM radio, RDS
K31
No
USB
GM750
microUSB
K31
microUSB 2.0
NFC
GM750
-
K31
No
Sensors
GM750
K31
Fingerprint (rear-mounted), accelerometer
Browser
GM750
WAP 2.0/xHTML, HTML
K31
-
Other
GM750
MP4/H.264/WMV player MP3/WAV/eAAC+/WMA player Organizer Pocket Office Voice memo Predictive text input
K31
-
Type
GM750
Removable Li-Ion 1500 mAh battery
K31
Li-Ion 3000 mAh
Stand-by
GM750
Up to 450 h
K31
-
Talk time
GM750
Up to 6 h 20 min
K31
-
Colors
GM750
Black
K31
Gray
SAR
GM750
1.36 W/kg (head) 1.06 W/kg (body)
K31
-
SAR EU
GM750
1.16 W/kg (head)
K31
-
Price
GM750
About 290 EUR
K31
About 130 EUR
Models
GM750
-
K31
LM-K300Q, LMK300, LGL355DL