Screen size
DoublePlay3.5"
K31Winner: 5.7"+39%
Quick verdict
K31 leads the measured specs 13-0.
Measured wins
DoublePlay
0
spec wins
Ties
4
equal specs
K31
13
spec wins
Overall winner
Screen size
Technology
DoublePlay
GSM / HSPA
K31
GSM / CDMA / HSPA / LTE
2G bands
DoublePlay
GSM 850 / 900 / 1800 / 1900
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
3G bands
DoublePlay
HSDPA 850 / 900 / 1700 / 1900 / 2100
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Speed
DoublePlay
HSPA 14.4/5.76 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
equal specsSD card
equal specsStereo speakers
K31
HSPA, LTE
4G bands
DoublePlay
-
K31
2, 4, 5, 12, 13, 25, 26, 41, 66, 71
Announced
DoublePlay
2011, October. Released 2011, October
K31
2020, August 21. Released 2020, August 21
Status
DoublePlay
Discontinued
K31
Discontinued
Dimensions
DoublePlay
121.9 x 64 x 16 mm (4.80 x 2.52 x 0.63 in)
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
Weight
DoublePlay
192 g (6.77 oz)
K31
146 g (5.15 oz)
Keyboard
DoublePlay
QWERTY
K31
-
SIM
DoublePlay
Mini-SIM
K31
Nano-SIM + Nano-SIM
Other
DoublePlay
-
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
DoublePlay
TFT, 256K colors
K31
IPS LCD
Size
DoublePlay
3.5 inches, 36.5 cm2 (~46.8% screen-to-body ratio)
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Resolution
DoublePlay
320 x 480 pixels, 3:2 ratio (~165 ppi density)
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Other
DoublePlay
Secondary TFT, 256K colors, 320 x 480 pixels, 2 inches
K31
-
OS
DoublePlay
Android 2.3 (Gingerbread)
K31
Android 10, LG UX 9.1
Chipset
DoublePlay
Qualcomm Snapdragon
K31
Mediatek MT6762 Helio P22 (12 nm)
CPU
DoublePlay
1.0 GHz Scorpion
K31
Octa-core 2.0 GHz Cortex-A53
GPU
DoublePlay
-
K31
PowerVR GE8320
Card slot
DoublePlay
microSDHC (dedicated slot)
K31
microSDXC
Internal
DoublePlay
2GB 512MB RAM
K31
32GB 2GB RAM
Other
DoublePlay
-
K31
eMMC 5.1
Single
DoublePlay
5 MP, AF
K31
-
Features
DoublePlay
LED flash
K31
LED flash, panorama, HDR
Video
DoublePlay
720p
K31
1080p@30fps
Dual
DoublePlay
-
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
DoublePlay
No
K31
-
Single
DoublePlay
-
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Video
DoublePlay
-
K31
1080p@30fps
Loudspeaker
DoublePlay
Yes
K31
Yes
3.5mm jack
DoublePlay
Yes
K31
Yes
WLAN
DoublePlay
Wi-Fi 802.11 b/g/n, DLNA, hotspot
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
DoublePlay
3.0, A2DP
K31
5.0, A2DP, LE
Positioning
DoublePlay
GPS, A-GPS
K31
GPS
Radio
DoublePlay
Stereo FM radio, RDS
K31
No
USB
DoublePlay
microUSB 2.0
K31
microUSB 2.0
NFC
DoublePlay
-
K31
No
Sensors
DoublePlay
Accelerometer, proximity, compass
K31
Fingerprint (rear-mounted), accelerometer
Other
DoublePlay
MP4/H.263 player MP3/WAV/WMA/eAAC+ player Document viewer Organizer Voice memo/dial Predictive text input
K31
-
Type
DoublePlay
Removable Li-Ion 1500 mAh battery
K31
Li-Ion 3000 mAh
Stand-by
DoublePlay
Up to 250 h
K31
-
Talk time
DoublePlay
Up to 3 h
K31
-
Colors
DoublePlay
Black/Silver
K31
Gray
SAR
DoublePlay
0.71 W/kg (head) 1.37 W/kg (body)
K31
-
Price
DoublePlay
About 70 EUR
K31
About 130 EUR
Models
DoublePlay
-
K31
LM-K300Q, LMK300, LGL355DL