Screen size
G45.5"
K31Winner: 5.7"+3.5%
Quick verdict
G4 leads the measured specs 7-5.
Measured wins
G4
7
spec wins
Overall winner
Ties
6
equal specs
K31
5
spec wins
Screen size
Technology
G4
GSM / HSPA / LTE
K31
GSM / CDMA / HSPA / LTE
2G bands
G4
GSM 850 / 900 / 1800 / 1900
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
3G bands
G4
HSDPA 850 / 900 / 1900 / 2100 , HSDPA 850 / 1700(AWS) / 1900 / 2100 - H811
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
G4
1, 2, 3, 4, 5, 7, 8, 17, 20, 28 - H815, 1, 3, 4, 5, 7, 8, 17, 20, 28, 40 - H815T, 4, 7, 17 - H815P, 2, 3, 4, 5, 7, 12 - H811
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain camera
Front camera
Battery
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
K31
2, 4, 5, 12, 13, 25, 26, 41, 66, 71
Speed
G4
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
K31
HSPA, LTE
Announced
G4
2015, April 28. Released 2015, April 29
K31
2020, August 21. Released 2020, August 21
Status
G4
Discontinued
K31
Discontinued
Dimensions
G4
148.9 x 76.1 x 6.3 - 9.8 mm
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
Weight
G4
155 g (5.47 oz)
K31
146 g (5.15 oz)
Build
G4
Glass front (Gorilla Glass 3), plastic back, plastic frame
K31
-
SIM
G4
Micro-SIM
K31
Nano-SIM + Nano-SIM
Other
G4
-
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
G4
IPS LCD
K31
IPS LCD
Size
G4
5.5 inches, 82.2 cm2 (~72.5% screen-to-body ratio)
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Resolution
G4
1440 x 2560 pixels, 16:9 ratio (~538 ppi density)
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Protection
G4
Corning Gorilla Glass 3
K31
-
OS
G4
Android 5.1.1 (Lollipop), upgradable to 7.0 (Nougat), LG UX 4 UI
K31
Android 10, LG UX 9.1
Chipset
G4
Qualcomm MSM8992 Snapdragon 808 (20 nm)
K31
Mediatek MT6762 Helio P22 (12 nm)
CPU
G4
Hexa-core (4x1.4 GHz Cortex-A53 & 2x1.8 GHz Cortex-A57)
K31
Octa-core 2.0 GHz Cortex-A53
GPU
G4
Adreno 418
K31
PowerVR GE8320
Card slot
G4
microSDXC (dedicated slot)
K31
microSDXC
Internal
G4
32GB 3GB RAM
K31
32GB 2GB RAM
Other
G4
eMMC 5.0
K31
eMMC 5.1
Single
G4
16 MP, f/1.8, 28mm (wide), 1/2.6", 1.12µm, 3-axis OIS
K31
-
Features
G4
Laser AF, color spectrum sensor, LED flash, panorama, HDR
K31
LED flash, panorama, HDR
Video
G4
4K@30fps, 1080p@30fps, HDR, stereo sound rec.
K31
1080p@30fps
Dual
G4
-
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
8 MP, f/2.0, 1/4.0", 1.12µm
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Video
G4
1080p@30fps
K31
1080p@30fps
Loudspeaker
G4
Yes
K31
Yes
3.5mm jack
G4
Yes
K31
Yes
Other
G4
24-bit/192kHz audio
K31
-
WLAN
G4
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
G4
4.1, A2DP, LE, aptX
K31
5.0, A2DP, LE
Positioning
G4
GPS, GLONASS
K31
GPS
NFC
G4
Yes
K31
No
Infrared port
G4
Yes
K31
-
Radio
G4
Stereo FM radio, RDS
K31
No
USB
G4
microUSB 2.0 (SlimPort 4K), OTG
K31
microUSB 2.0
Sensors
G4
Accelerometer, gyro, proximity, compass, barometer
K31
Fingerprint (rear-mounted), accelerometer
Type
G4
Li-Ion 3000 mAh, removable
K31
Li-Ion 3000 mAh
Charging
G4
18W wired, QC2 Wireless (Qi) (optional)
K31
-
Stand-by
G4
Up to 360 h (2G) / Up to 440 h (3G)
K31
-
Talk time
G4
Up to 19 h (2G) / Up to 20 h (3G)
K31
-
Colors
G4
Grey, White, Gold, Leather Black, Leather Brown, Leather Red, White/Gold
K31
Gray
Models
G4
H815, H810, H811, H811, LS991, VS986, US991, H812, F500L, F500S, F500K, LGLS991, LGUS991
K31
LM-K300Q, LMK300, LGL355DL
SAR EU
G4
0.62 W/kg (head)
K31
-
Price
G4
About 300 EUR
K31
About 130 EUR