Screen size
GM730 Eigen3.0"
K31Winner: 5.7"+47%
Quick verdict
K31 leads the measured specs 15-0.
Measured wins
GM730 Eigen
0
spec wins
Ties
2
equal specs
K31
15
spec wins
Overall winner
Screen size
Technology
GM730 Eigen
GSM / HSPA
K31
GSM / CDMA / HSPA / LTE
2G bands
GM730 Eigen
GSM 900 / 1800 / 1900
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
3G bands
GM730 Eigen
HSDPA 900 / 1900 / 2100 , HSDPA 850 / 1900 / 2100 - Australian version
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Speed
GM730 Eigen
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
GM730 Eigen
-
K31
2, 4, 5, 12, 13, 25, 26, 41, 66, 71
Announced
GM730 Eigen
2009, February. Released 2009, August
K31
2020, August 21. Released 2020, August 21
Status
GM730 Eigen
Discontinued
K31
Discontinued
Dimensions
GM730 Eigen
109.8 x 56.5 x 11.9 mm (4.32 x 2.22 x 0.47 in)
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
Weight
GM730 Eigen
K31
146 g (5.15 oz)
SIM
GM730 Eigen
Mini-SIM
K31
Nano-SIM + Nano-SIM
Other
GM730 Eigen
-
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
GM730 Eigen
TFT resistive touchscreen, 65K colors
K31
IPS LCD
Size
GM730 Eigen
3.0 inches, 25.6 cm2 (~41.3% screen-to-body ratio)
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Resolution
GM730 Eigen
240 x 400 pixels, 5:3 ratio (~155 ppi density)
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Other
GM730 Eigen
"S-Class" Touch UI
K31
-
OS
GM730 Eigen
Microsoft Windows Mobile 6.1 Professional
K31
Android 10, LG UX 9.1
Chipset
GM730 Eigen
Qualcomm MSM7201A
K31
Mediatek MT6762 Helio P22 (12 nm)
CPU
GM730 Eigen
528 MHz ARM 11
K31
Octa-core 2.0 GHz Cortex-A53
GPU
GM730 Eigen
Adreno 130
K31
PowerVR GE8320
Card slot
GM730 Eigen
microSDHC (dedicated slot)
K31
microSDXC
Internal
GM730 Eigen
-
K31
32GB 2GB RAM
Other
GM730 Eigen
-
K31
eMMC 5.1
Single
GM730 Eigen
5 MP, AF
K31
-
Features
GM730 Eigen
Schneider-Kreuznach optics
K31
LED flash, panorama, HDR
Video
GM730 Eigen
Yes
K31
1080p@30fps
Dual
GM730 Eigen
-
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
GM730 Eigen
Videocall camera
K31
-
Single
GM730 Eigen
-
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Video
GM730 Eigen
-
K31
1080p@30fps
Loudspeaker
GM730 Eigen
Yes
K31
Yes
3.5mm jack
GM730 Eigen
No
K31
Yes
WLAN
GM730 Eigen
Wi-Fi 802.11b/g
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
GM730 Eigen
Yes
K31
5.0, A2DP, LE
Positioning
GM730 Eigen
GPS, A-GPS
K31
GPS
Radio
GM730 Eigen
FM radio
K31
No
USB
GM730 Eigen
microUSB
K31
microUSB 2.0
NFC
GM730 Eigen
-
K31
No
Sensors
GM730 Eigen
K31
Fingerprint (rear-mounted), accelerometer
Browser
GM730 Eigen
WAP 2.0/xHTML, HTML
K31
-
Other
GM730 Eigen
Internet Explorer 6.0 MP4/H.264 player MP3/AAC/AAC+/WMA player Organizer Pocket Office Voice memo Predictive text input
K31
-
Type
GM730 Eigen
Removable Li-Ion 1000 mAh battery
K31
Li-Ion 3000 mAh
Colors
GM730 Eigen
Black
K31
Gray
SAR
GM730 Eigen
1.14 W/kg (head) 0.63 W/kg (body)
K31
-
Price
GM730 Eigen
About 110 EUR
K31
About 130 EUR
Models
GM730 Eigen
-
K31
LM-K300Q, LMK300, LGL355DL