Screen size
CB630 Invision2.2"
K31Winner: 5.7"+61%
Quick verdict
K31 leads the measured specs 14-1.
Measured wins
CB630 Invision
1
spec wins
Ties
2
equal specs
K31
14
spec wins
Overall winner
Screen size
Technology
CB630 Invision
GSM / HSPA
K31
GSM / CDMA / HSPA / LTE
2G bands
CB630 Invision
GSM 850 / 900 / 1800 / 1900
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
3G bands
CB630 Invision
HSDPA 850 / 1900
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Speed
CB630 Invision
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
5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
K31
HSPA, LTE
4G bands
CB630 Invision
-
K31
2, 4, 5, 12, 13, 25, 26, 41, 66, 71
Announced
CB630 Invision
2008, August. Released 2008
K31
2020, August 21. Released 2020, August 21
Status
CB630 Invision
Discontinued
K31
Discontinued
Dimensions
CB630 Invision
103 x 53 x 12 mm (4.06 x 2.09 x 0.47 in)
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
Weight
CB630 Invision
81 g (2.86 oz)
K31
146 g (5.15 oz)
SIM
CB630 Invision
Mini-SIM
K31
Nano-SIM + Nano-SIM
Other
CB630 Invision
-
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
CB630 Invision
TFT, 256K colors
K31
IPS LCD
Size
CB630 Invision
2.2 inches, 15.0 cm2 (~27.5% screen-to-body ratio)
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Resolution
CB630 Invision
320 x 240 pixels, 4:3 ratio (~182 ppi density)
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Other
CB630 Invision
Downloadable wallpapers
K31
-
Card slot
CB630 Invision
microSDHC (dedicated slot)
K31
microSDXC
Phonebook
CB630 Invision
500 entries, Photocall
K31
-
Call records
CB630 Invision
40 dialed, 40 received, 40 missed calls
K31
-
Internal
CB630 Invision
128MB
K31
32GB 2GB RAM
Other
CB630 Invision
-
K31
eMMC 5.1
Single
CB630 Invision
1.3 MP
K31
-
Video
CB630 Invision
320p
K31
1080p@30fps
Dual
CB630 Invision
-
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
CB630 Invision
-
K31
LED flash, panorama, HDR
Other
CB630 Invision
No
K31
-
Single
CB630 Invision
-
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Video
CB630 Invision
-
K31
1080p@30fps
Loudspeaker
CB630 Invision
Yes
K31
Yes
3.5mm jack
CB630 Invision
No
K31
Yes
WLAN
CB630 Invision
No
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
CB630 Invision
2.0, A2DP
K31
5.0, A2DP, LE
Positioning
CB630 Invision
No
K31
GPS
Radio
CB630 Invision
XM radio
K31
No
USB
CB630 Invision
Proprietary
K31
microUSB 2.0
NFC
CB630 Invision
-
K31
No
Sensors
CB630 Invision
K31
Fingerprint (rear-mounted), accelerometer
Messaging
CB630 Invision
SMS, MMS, Email
K31
-
Browser
CB630 Invision
WAP 2.0/xHTML, HTML
K31
-
Games
CB630 Invision
Yes
K31
-
Java
CB630 Invision
Yes, MIDP 2.0
K31
-
Other
CB630 Invision
MP3/MP4/eAAC+/WMA player Organizer Photo editor XM Radio Voice memo Voice dial Predictive text input AT&T Mobile TV Multitasking
K31
-
Type
CB630 Invision
Removable Li-Ion 900 mAh battery
K31
Li-Ion 3000 mAh
Stand-by
CB630 Invision
Up to 250 h
K31
-
Talk time
CB630 Invision
Up to 3 h
K31
-
Colors
CB630 Invision
Black
K31
Gray
SAR
CB630 Invision
1.34 W/kg (head) 0.81 W/kg (body)
K31
-
Price
CB630 Invision
About 80 EUR
K31
About 130 EUR
Models
CB630 Invision
-
K31
LM-K300Q, LMK300, LGL355DL
OS
CB630 Invision
-
K31
Android 10, LG UX 9.1
Chipset
CB630 Invision
-
K31
Mediatek MT6762 Helio P22 (12 nm)
CPU
CB630 Invision
-
K31
Octa-core 2.0 GHz Cortex-A53
GPU
CB630 Invision
-
K31
PowerVR GE8320