Screen size
K31Winner: 5.7"+51%
KH3900 Joypop2.8"
Quick verdict
K31 leads the measured specs 13-1.
Measured wins
K31
13
spec wins
Overall winner
Ties
3
equal specs
KH3900 Joypop
1
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
KH3900 Joypop
GSM
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
KH3900 Joypop
GSM 850 / 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
KH3900 Joypop
-
4G bands
K31
2, 4, 5, 12, 13, 25, 26, 41, 66, 71
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
equal specsStereo speakers
KH3900 Joypop
-
Speed
K31
HSPA, LTE
KH3900 Joypop
-
GPRS
K31
-
KH3900 Joypop
Class 10
EDGE
K31
-
KH3900 Joypop
Class 10
Announced
K31
2020, August 21. Released 2020, August 21
KH3900 Joypop
2010, April. Released 2010, June
Status
K31
Discontinued
KH3900 Joypop
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
KH3900 Joypop
108.5 x 52 x 14.6 mm (4.27 x 2.05 x 0.57 in)
Weight
K31
146 g (5.15 oz)
KH3900 Joypop
108 g (3.81 oz)
SIM
K31
Nano-SIM + Nano-SIM
KH3900 Joypop
Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
KH3900 Joypop
-
Type
K31
IPS LCD
KH3900 Joypop
TFT, 256K colors
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
KH3900 Joypop
2.8 inches, 22.3 cm2 (~39.6% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
KH3900 Joypop
240 x 400 pixels, 5:3 ratio (~167 ppi density)
Other
K31
-
KH3900 Joypop
external hidden OLED display
OS
K31
Android 10, LG UX 9.1
KH3900 Joypop
-
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
KH3900 Joypop
-
CPU
K31
Octa-core 2.0 GHz Cortex-A53
KH3900 Joypop
-
GPU
K31
PowerVR GE8320
KH3900 Joypop
-
Card slot
K31
microSDXC
KH3900 Joypop
microSDHC (dedicated slot)
Internal
K31
32GB 2GB RAM
KH3900 Joypop
190MB
Other
K31
eMMC 5.1
KH3900 Joypop
-
Phonebook
K31
-
KH3900 Joypop
1000 entries, Photocall
Call records
K31
-
KH3900 Joypop
Yes
Dual
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
KH3900 Joypop
-
Features
K31
LED flash, panorama, HDR
KH3900 Joypop
-
Video
K31
1080p@30fps
KH3900 Joypop
Yes
Single
K31
-
KH3900 Joypop
2 MP
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
KH3900 Joypop
-
Video
K31
1080p@30fps
KH3900 Joypop
-
Other
K31
-
KH3900 Joypop
No
Loudspeaker
K31
Yes
KH3900 Joypop
Yes
3.5mm jack
K31
Yes
KH3900 Joypop
No
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
KH3900 Joypop
Wi-Fi 802.11 b/g
Bluetooth
K31
5.0, A2DP, LE
KH3900 Joypop
2.0, A2DP
Positioning
K31
GPS
KH3900 Joypop
No
NFC
K31
No
KH3900 Joypop
-
Radio
K31
No
KH3900 Joypop
No
USB
K31
microUSB 2.0
KH3900 Joypop
2.0
Sensors
K31
Fingerprint (rear-mounted), accelerometer
KH3900 Joypop
Messaging
K31
-
KH3900 Joypop
SMS, MMS, Email
Browser
K31
-
KH3900 Joypop
WAP 2.0/xHTML, HTML
Games
K31
-
KH3900 Joypop
Yes
Java
K31
-
KH3900 Joypop
Yes, MIDP 2.1
Other
K31
-
KH3900 Joypop
FMC compatible MP3/WAV/eAAC+ player MP4/H.263 player Organizer Document viewer Predictive text input
Type
K31
Li-Ion 3000 mAh
KH3900 Joypop
Removable Li-Ion 900 mAh battery
Stand-by
K31
-
KH3900 Joypop
Up to 160 h
Talk time
K31
-
KH3900 Joypop
Up to 2 h 30 min
Colors
K31
Gray
KH3900 Joypop
Hot pink, white
Models
K31
LM-K300Q, LMK300, LGL355DL
KH3900 Joypop
-
Price
K31
About 130 EUR
KH3900 Joypop
-