Screen size
K31Winner: 5.7"+18%
Optimus F74.7"
Quick verdict
K31 leads the measured specs 10-2.
Measured wins
K31
10
spec wins
Overall winner
Ties
5
equal specs
Optimus F7
2
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
Optimus F7
GSM / CDMA / HSPA / EVDO / LTE
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
Optimus F7
GSM 850 / 900 / 1800 / 1900 - for Europe, CDMA 800 / 1900 - US780
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Optimus F7
HSDPA 900 / 1900 / 2100 - for Europe, CDMA2000 1xEV-DO - US780
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
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Optimus F7
25 - LG870, 12 - US780
Speed
K31
HSPA, LTE
Optimus F7
HSPA, LTE, EV-DO Rev.A 3.1 Mbps
Announced
K31
2020, August 21. Released 2020, August 21
Optimus F7
2013, February. Released 2013, June
Status
K31
Discontinued
Optimus F7
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
Optimus F7
131.7 x 68.2 x 9.6 mm (5.19 x 2.69 x 0.38 in)
Weight
K31
146 g (5.15 oz)
Optimus F7
133.2 g (4.69 oz)
SIM
K31
Nano-SIM + Nano-SIM
Optimus F7
Micro-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Optimus F7
-
Type
K31
IPS LCD
Optimus F7
True HD-IPS LCD
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Optimus F7
4.7 inches, 60.5 cm2 (~67.4% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Optimus F7
720 x 1280 pixels, 16:9 ratio (~313 ppi density)
Protection
K31
-
Optimus F7
Corning Gorilla Glass 2
OS
K31
Android 10, LG UX 9.1
Optimus F7
Android 4.1.2 (Jelly Bean)
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
Optimus F7
-
CPU
K31
Octa-core 2.0 GHz Cortex-A53
Optimus F7
Dual-core 1.5 GHz
GPU
K31
PowerVR GE8320
Optimus F7
-
Card slot
K31
microSDXC
Optimus F7
microSDHC (dedicated slot)
Internal
K31
32GB 2GB RAM
Optimus F7
8GB 1GB RAM
Other
K31
eMMC 5.1
Optimus F7
-
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
Optimus F7
-
Features
K31
LED flash, panorama, HDR
Optimus F7
LED flash
Video
K31
1080p@30fps
Optimus F7
1080p@30fps
Single
K31
-
Optimus F7
8 MP, AF
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Optimus F7
1.3 MP
Video
K31
1080p@30fps
Optimus F7
Loudspeaker
K31
Yes
Optimus F7
Yes
3.5mm jack
K31
Yes
Optimus F7
Yes
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Optimus F7
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, hotspot, DLNA
Bluetooth
K31
5.0, A2DP, LE
Optimus F7
Yes
Positioning
K31
GPS
Optimus F7
GPS
NFC
K31
No
Optimus F7
No
Radio
K31
No
Optimus F7
FM radio
USB
K31
microUSB 2.0
Optimus F7
microUSB 2.0
Sensors
K31
Fingerprint (rear-mounted), accelerometer
Optimus F7
Accelerometer, proximity, compass
Type
K31
Li-Ion 3000 mAh
Optimus F7
Li-Ion 2540 mAh, removable
Stand-by
K31
-
Optimus F7
Up to 300 h
Talk time
K31
-
Optimus F7
Up to 13 h
Colors
K31
Gray
Optimus F7
Black, White
Models
K31
LM-K300Q, LMK300, LGL355DL
Optimus F7
F260S
Price
K31
About 130 EUR
Optimus F7
About 150 EUR