Screen size
K31Winner: 5.7"+25%
Optimus F54.3"
Quick verdict
K31 leads the measured specs 11-2.
Measured wins
K31
11
spec wins
Overall winner
Ties
4
equal specs
Optimus F5
2
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
Optimus F5
GSM / CDMA / HSPA / EVDO / LTE
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
Optimus F5
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900 - AS870
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Optimus F5
HSDPA 900 / 1900 / 2100 , HSDPA 900 / 2100 - P875, CDMA2000 1xEV-DO - AS870
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
equal specsSD card
equal specsStereo speakers
Optimus F5
3, 7, 20 - P875, 17 - AS870
Speed
K31
HSPA, LTE
Optimus F5
HSPA 42.2/5.76 Mbps, LTE Cat3 100/50 Mbps
Announced
K31
2020, August 21. Released 2020, August 21
Optimus F5
2013, February. Released 2013, May
Status
K31
Discontinued
Optimus F5
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
Optimus F5
126 x 64.5 x 9.3 mm (4.96 x 2.54 x 0.37 in)
Weight
K31
146 g (5.15 oz)
Optimus F5
131 g (4.62 oz)
SIM
K31
Nano-SIM + Nano-SIM
Optimus F5
Yes
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Optimus F5
-
Type
K31
IPS LCD
Optimus F5
IPS LCD
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Optimus F5
4.3 inches, 51.0 cm2 (~62.7% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Optimus F5
540 x 960 pixels, 16:9 ratio (~256 ppi density)
OS
K31
Android 10, LG UX 9.1
Optimus F5
Android 4.1.2 (Jelly Bean)
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
Optimus F5
Qualcomm MSM8960 Snapdragon S4 Plus
CPU
K31
Octa-core 2.0 GHz Cortex-A53
Optimus F5
Dual-core 1.2 GHz Krait
GPU
K31
PowerVR GE8320
Optimus F5
Adreno 225
Card slot
K31
microSDXC
Optimus F5
microSDHC (dedicated slot)
Internal
K31
32GB 2GB RAM
Optimus F5
8GB 1GB RAM
Other
K31
eMMC 5.1
Optimus F5
-
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 F5
-
Features
K31
LED flash, panorama, HDR
Optimus F5
HDR, panorama
Video
K31
1080p@30fps
Optimus F5
1080p@30fps
Single
K31
-
Optimus F5
5 MP, AF
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Optimus F5
1.3 MP
Video
K31
1080p@30fps
Optimus F5
720p
Loudspeaker
K31
Yes
Optimus F5
Yes
3.5mm jack
K31
Yes
Optimus F5
Yes
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Optimus F5
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, hotspot, DLNA
Bluetooth
K31
5.0, A2DP, LE
Optimus F5
4.0, A2DP
Positioning
K31
GPS
Optimus F5
GPS
NFC
K31
No
Optimus F5
Yes
Radio
K31
No
Optimus F5
No
USB
K31
microUSB 2.0
Optimus F5
microUSB 2.0
Sensors
K31
Fingerprint (rear-mounted), accelerometer
Optimus F5
Accelerometer, proximity, compass
Type
K31
Li-Ion 3000 mAh
Optimus F5
Li-Ion 2150 mAh, removable
Stand-by
K31
-
Optimus F5
Up to 500 h (2G) / Up to 500 h (3G)
Talk time
K31
-
Optimus F5
Up to 12 h (2G) / Up to 8 h (3G)
Colors
K31
Gray
Optimus F5
Black, White
Models
K31
LM-K300Q, LMK300, LGL355DL
Optimus F5
-
Price
K31
About 130 EUR
Optimus F5
About 220 EUR
SAR EU
K31
-
Optimus F5
0.47 W/kg (head) 0.43 W/kg (body)