Screen size
G FlexWinner: 6.0"+5%
K315.7"
Quick verdict
K31 leads the measured specs 7-4.
Measured wins
G Flex
4
spec wins
Ties
6
equal specs
K31
7
spec wins
Overall winner
Screen size
Technology
G Flex
GSM / HSPA / LTE
K31
GSM / CDMA / HSPA / LTE
2G bands
G Flex
GSM 850 / 900 / 1800 / 1900 - all versions
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
3G bands
G Flex
HSDPA 850 / 1900 / 2100 - D950, HSDPA 900 / 2100 - D958, HSDPA 850 / 1700 / 1900 / 2100 - D959, HSDPA 850 / 900 / 1900 / 2100 - D955
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
G Flex
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
Stereo speakers
3, 7, 20 - D958, 1, 2, 3, 4, 5, 7, 17 - D950, 1, 3, 7, 8, 20 - D955
K31
2, 4, 5, 12, 13, 25, 26, 41, 66, 71
Speed
G Flex
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
K31
HSPA, LTE
Announced
G Flex
2013, October. Released 2013, November
K31
2020, August 21. Released 2020, August 21
Status
G Flex
Discontinued
K31
Discontinued
Dimensions
G Flex
160.5 x 81.6 x 8.7 mm (6.32 x 3.21 x 0.34 in)
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
Weight
G Flex
177 g (6.24 oz)
K31
146 g (5.15 oz)
Build
G Flex
Glass front (Gorilla Glass 2), plastic back, plastic frame
K31
-
SIM
G Flex
Micro-SIM
K31
Nano-SIM + Nano-SIM
Other
G Flex
Self-healing back panel coating
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
G Flex
Curved P-OLED
K31
IPS LCD
Size
G Flex
6.0 inches, 99.2 cm2 (~75.8% screen-to-body ratio)
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Resolution
G Flex
720 x 1280 pixels, 16:9 ratio (~245 ppi density)
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Protection
G Flex
Corning Gorilla Glass 2
K31
-
OS
G Flex
Android 4.2.2 (Jelly Bean), upgradable to 4.4.2 (KitKat)
K31
Android 10, LG UX 9.1
Chipset
G Flex
Qualcomm MSM8974 Snapdragon 800 (28 nm)
K31
Mediatek MT6762 Helio P22 (12 nm)
CPU
G Flex
Quad-core 2.26 GHz Krait 400
K31
Octa-core 2.0 GHz Cortex-A53
GPU
G Flex
Adreno 330
K31
PowerVR GE8320
Card slot
G Flex
No
K31
microSDXC
Internal
G Flex
32GB 2GB RAM
K31
32GB 2GB RAM
Other
G Flex
eMMC 4.5
K31
eMMC 5.1
Single
G Flex
13 MP, f/2.4, AF
K31
-
Features
G Flex
LED flash, panorama, HDR
K31
LED flash, panorama, HDR
Video
G Flex
1080p@60fps, HDR, stereo sound rec.
K31
1080p@30fps
Dual
G Flex
-
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
G Flex
2.1 MP
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Video
G Flex
1080p@30fps
K31
1080p@30fps
Loudspeaker
G Flex
Yes
K31
Yes
3.5mm jack
G Flex
Yes
K31
Yes
WLAN
G Flex
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
G Flex
4.0, A2DP, LE, aptX
K31
5.0, A2DP, LE
Positioning
G Flex
GPS, GLONASS
K31
GPS
NFC
G Flex
Yes
K31
No
Infrared port
G Flex
Yes
K31
-
Radio
G Flex
Stereo FM radio, RDS
K31
No
USB
G Flex
microUSB 2.0, OTG
K31
microUSB 2.0
Sensors
G Flex
Accelerometer, gyro, proximity, compass
K31
Fingerprint (rear-mounted), accelerometer
Other
G Flex
DMB TV tuner (Korean model only)
K31
-
Type
G Flex
Li-Po 3500 mAh, non-removable
K31
Li-Ion 3000 mAh
Stand-by
G Flex
Up to 720 h
K31
-
Talk time
G Flex
Up to 15 h
K31
-
Colors
G Flex
Titan silver
K31
Gray
Models
G Flex
LS995, D955, D959, D958, D950, F340, F340L, LGL23
K31
LM-K300Q, LMK300, LGL355DL
SAR EU
G Flex
0.38 W/kg (head) 0.41 W/kg (body)
K31
-
Price
G Flex
About 360 EUR
K31
About 130 EUR