Screen size
GM650s3.0"
K31Winner: 5.7"+47%
Quick verdict
K31 leads the measured specs 13-2.
Measured wins
GM650s
2
spec wins
Ties
2
equal specs
K31
13
spec wins
Overall winner
Screen size
Technology
GM650s
GSM / HSPA
K31
GSM / CDMA / HSPA / LTE
2G bands
GM650s
GSM 900 / 1800 / 1900
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
3G bands
GM650s
HSDPA 2100 /1800
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Speed
GM650s
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
Stereo speakers
K31
HSPA, LTE
4G bands
GM650s
-
K31
2, 4, 5, 12, 13, 25, 26, 41, 66, 71
Announced
GM650s
2010, August. Released 2010, August
K31
2020, August 21. Released 2020, August 21
Status
GM650s
Discontinued
K31
Discontinued
Dimensions
GM650s
111.5 x 51.5 x 13.9 mm (4.39 x 2.03 x 0.55 in)
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
Weight
GM650s
127 g (4.48 oz)
K31
146 g (5.15 oz)
SIM
GM650s
Mini-SIM
K31
Nano-SIM + Nano-SIM
Other
GM650s
-
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
GM650s
TFT resistive touchscreen, 256K colors
K31
IPS LCD
Size
GM650s
3.0 inches, 25.6 cm2 (~44.6% screen-to-body ratio)
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Resolution
GM650s
240 x 400 pixels, 5:3 ratio (~155 ppi density)
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Other
GM650s
Handwriting recognition
K31
-
Card slot
GM650s
No
K31
microSDXC
Phonebook
GM650s
Yes, Photocall
K31
-
Call records
GM650s
Yes
K31
-
Internal
GM650s
-
K31
32GB 2GB RAM
Other
GM650s
-
K31
eMMC 5.1
Single
GM650s
3.15 MP
K31
-
Video
GM650s
Yes
K31
1080p@30fps
Dual
GM650s
-
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
GM650s
-
K31
LED flash, panorama, HDR
Other
GM650s
No
K31
-
Single
GM650s
-
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Video
GM650s
-
K31
1080p@30fps
Loudspeaker
GM650s
Yes
K31
Yes
3.5mm jack
GM650s
No
K31
Yes
WLAN
GM650s
No
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
GM650s
2.1, A2DP
K31
5.0, A2DP, LE
Positioning
GM650s
No
K31
GPS
Radio
GM650s
Stereo FM radio
K31
No
USB
GM650s
microUSB 2.0
K31
microUSB 2.0
NFC
GM650s
-
K31
No
Sensors
GM650s
K31
Fingerprint (rear-mounted), accelerometer
Messaging
GM650s
SMS, MMS, Email
K31
-
Browser
GM650s
WAP 2.0/xHTML
K31
-
Games
GM650s
Yes
K31
-
Java
GM650s
Yes, MIDP 2.0
K31
-
Other
GM650s
CMMB TV tuner MP3/WMA/eAAC+ player MP4/H.263 player Organizer Voice memo Predictive text input
K31
-
Type
GM650s
Removable Li-Ion 1250 mAh battery
K31
Li-Ion 3000 mAh
Stand-by
GM650s
Up to 120 h
K31
-
Talk time
GM650s
Up to 6 h
K31
-
Colors
GM650s
Black
K31
Gray
Models
GM650s
-
K31
LM-K300Q, LMK300, LGL355DL
Price
GM650s
-
K31
About 130 EUR
OS
GM650s
-
K31
Android 10, LG UX 9.1
Chipset
GM650s
-
K31
Mediatek MT6762 Helio P22 (12 nm)
CPU
GM650s
-
K31
Octa-core 2.0 GHz Cortex-A53
GPU
GM650s
-
K31
PowerVR GE8320