Screen size
equal specsG4 Stylus5.7"
K315.7"
Quick verdict
K31 leads the measured specs 8-1.
Measured wins
G4 Stylus
1
spec wins
Ties
8
equal specs
K31
8
spec wins
Overall winner
Screen size
equal specsTechnology
G4 Stylus
GSM / HSPA / LTE
K31
GSM / CDMA / HSPA / LTE
2G bands
G4 Stylus
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional)
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
3G bands
G4 Stylus
HSDPA 850 / 1900 / 2100 - H631, HSDPA 850 / 900 / 1900 / 2100 - H635, H540, H542, HSDPA 850 / 1700(AWS) / 1900 / 2100 - MS631, HSDPA 850 / 900 / 2100 - H630D
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
G4 Stylus
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
equal specsBattery
equal specsWired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
1, 3, 7, 8, 20 - H635, 2, 4, 12 - H631, 2, 4, 5, 12 - MS631, 2, 40 - H630D
K31
2, 4, 5, 12, 13, 25, 26, 41, 66, 71
Speed
G4 Stylus
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
K31
HSPA, LTE
Announced
G4 Stylus
2015, April. Released 2015, May
K31
2020, August 21. Released 2020, August 21
Status
G4 Stylus
Discontinued
K31
Discontinued
Dimensions
G4 Stylus
154.3 x 79.2 x 9.6 mm (6.07 x 3.12 x 0.38 in)
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
Weight
G4 Stylus
163 g (5.75 oz)
K31
146 g (5.15 oz)
SIM
G4 Stylus
· Micro-SIM - H631, H635, MS631, H542· Dual SIM (Micro-SIM, dual stand-by) - H540, H630D
K31
Nano-SIM + Nano-SIM
Other
G4 Stylus
Stylus
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
G4 Stylus
IPS LCD
K31
IPS LCD
Size
G4 Stylus
5.7 inches, 89.6 cm2 (~73.3% screen-to-body ratio)
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Resolution
G4 Stylus
720 x 1280 pixels, 16:9 ratio (~258 ppi density)
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Protection
G4 Stylus
Corning Gorilla Glass 3
K31
-
OS
G4 Stylus
Android 5.0 (Lollipop), upgradable to 5.1 (Lollipop)
K31
Android 10, LG UX 9.1
Chipset
G4 Stylus
Qualcomm MSM8916 Snapdragon 410 (28 nm) - H631, H635, H630D, MS631Mediatek MT6592M - H540
K31
Mediatek MT6762 Helio P22 (12 nm)
CPU
G4 Stylus
Quad-core 1.2 GHz Cortex-A53 - H631, H635, H630D, MS631Octa-core 1.4 GHz Cortex-A7 - H540
K31
Octa-core 2.0 GHz Cortex-A53
GPU
G4 Stylus
Adreno 306 - H631, H635, H630D, MS631Mali-450MP4 - H540
K31
PowerVR GE8320
Card slot
G4 Stylus
microSDXC (dedicated slot)
K31
microSDXC
Internal
G4 Stylus
8GB 1GB RAM (H635,H540,H630D,H542), 16GB 2GB RAM (H631,MS631)
K31
32GB 2GB RAM
Other
G4 Stylus
eMMC 4.5
K31
eMMC 5.1
Single
G4 Stylus
13 MP, f/2.4, OIS (H631, H540, H630D, MS631) 8 MP, f/2.4 (H635)
K31
-
Features
G4 Stylus
Laser AF, HDR, panorama, dual-LED flash (H631, H540, H630D, MS631), LED flash (H635)
K31
LED flash, panorama, HDR
Video
G4 Stylus
1080p@30fps
K31
1080p@30fps
Dual
G4 Stylus
-
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
Single
G4 Stylus
5 MP
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Video
G4 Stylus
K31
1080p@30fps
Loudspeaker
G4 Stylus
Yes
K31
Yes
3.5mm jack
G4 Stylus
Yes
K31
Yes
WLAN
G4 Stylus
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, DLNA, hotspot
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
G4 Stylus
4.1, A2DP
K31
5.0, A2DP, LE
Positioning
G4 Stylus
GPS, GLONASS
K31
GPS
NFC
G4 Stylus
Yes
K31
No
Radio
G4 Stylus
FM radio
K31
No
USB
G4 Stylus
microUSB 2.0
K31
microUSB 2.0
Sensors
G4 Stylus
Accelerometer, proximity
K31
Fingerprint (rear-mounted), accelerometer
Type
G4 Stylus
Li-Ion 3000 mAh, removable
K31
Li-Ion 3000 mAh
Stand-by
G4 Stylus
Up to 432 h (3G)
K31
-
Talk time
G4 Stylus
Up to 18 h (3G)
K31
-
Colors
G4 Stylus
Metallic Silver, Floral White
K31
Gray
Models
G4 Stylus
H540, H631, MS631, H635, H540, H630, H542, H630D
K31
LM-K300Q, LMK300, LGL355DL
Price
G4 Stylus
About 250 EUR
K31
About 130 EUR