Screen size
K31Winner: 5.7"+61%
KF5102.2"
Quick verdict
K31 leads the measured specs 12-2.
Measured wins
K31
12
spec wins
Overall winner
Ties
3
equal specs
KF510
2
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
KF510
GSM
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
KF510
GSM 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
KF510
-
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
SD card
equal specsStereo speakers
KF510
-
Speed
K31
HSPA, LTE
KF510
-
GPRS
K31
-
KF510
Class 10
EDGE
K31
-
KF510
Class 10
Announced
K31
2020, August 21. Released 2020, August 21
KF510
2008, February. Released 2008, April
Status
K31
Discontinued
KF510
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
KF510
104.5 x 49.5 x 10.9 mm (4.11 x 1.95 x 0.43 in)
Weight
K31
146 g (5.15 oz)
KF510
91 g (3.21 oz)
SIM
K31
Nano-SIM + Nano-SIM
KF510
Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
KF510
-
Type
K31
IPS LCD
KF510
TFT, 256K colors
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
KF510
2.2 inches, 15.0 cm2 (~29.0% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
KF510
240 x 320 pixels, 4:3 ratio (~182 ppi density)
Other
K31
-
KF510
Downloadable wallpapers Touch-sensitive navigation panel with haptics
OS
K31
Android 10, LG UX 9.1
KF510
-
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
KF510
-
CPU
K31
Octa-core 2.0 GHz Cortex-A53
KF510
-
GPU
K31
PowerVR GE8320
KF510
-
Card slot
K31
microSDXC
KF510
microSD (dedicated slot)
Internal
K31
32GB 2GB RAM
KF510
16MB
Other
K31
eMMC 5.1
KF510
-
Phonebook
K31
-
KF510
Yes
Call records
K31
-
KF510
40 dialed, 40 received, 40 missed calls
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
KF510
-
Features
K31
LED flash, panorama, HDR
KF510
LED flash
Video
K31
1080p@30fps
KF510
320p
Single
K31
-
KF510
3.15 MP, AF
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
KF510
-
Video
K31
1080p@30fps
KF510
-
Other
K31
-
KF510
No
Loudspeaker
K31
Yes
KF510
Yes
3.5mm jack
K31
Yes
KF510
No
Alert types
K31
-
KF510
Vibration; Downloadable polyphonic, MP3 ringtones
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
KF510
No
Bluetooth
K31
5.0, A2DP, LE
KF510
2.0, A2DP
Positioning
K31
GPS
KF510
No
NFC
K31
No
KF510
-
Radio
K31
No
KF510
FM radio
USB
K31
microUSB 2.0
KF510
2.0
Sensors
K31
Fingerprint (rear-mounted), accelerometer
KF510
Messaging
K31
-
KF510
SMS, EMS, MMS, Email
Browser
K31
-
KF510
WAP 2.0/xHTML
Games
K31
-
KF510
Yes
Java
K31
-
KF510
Yes, MIDP 2.0
Other
K31
-
KF510
MP3/MP4 player Predictive text input Organizer Voice memo
Type
K31
Li-Ion 3000 mAh
KF510
Removable Li-Ion 800 mAh battery (LGIP-410A)
Stand-by
K31
-
KF510
Up to 400 h
Talk time
K31
-
KF510
Up to 4 h
Colors
K31
Gray
KF510
Stardust Dark Grey, Sunset Red
Models
K31
LM-K300Q, LMK300, LGL355DL
KF510
-
Price
K31
About 130 EUR
KF510
About 70 EUR
SAR
K31
-
KF510
0.24 W/kg (head) 0.50 W/kg (body)