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Compare 4 products

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LG K40 Mobile Phone
LG K40
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Samsung Galaxy S7 Mobile Phone
Samsung Galaxy S7
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Samsung Galaxy S9 Mobile Phone
Samsung Galaxy S9
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Xiaomi Redmi 3 Mobile Phone
Xiaomi Redmi 3
Available colors
Editiorial reviews
3
3 editorial reviews
LG K40 (Mobile Phone): 5 out of 5 stars on Australia's largest opinion site ProductReview.com.au.Read more
Bringing AI to the mid-range cameraRead more
Notebookcheck.com reviews the LG K40, an affordable Android smartphone powered by a MediaTek Helio P22 SoC and up to 3 GB of RAM. The device comes with a single rear-facing camera, a fingerprint scanner and 32 GB of eMMC flash storage too. Read on to find out how this €169 (~US$193) MSRP handset performs in our tests.Read more
Read editorial reviews
25
4.5 out of 5
16 user ratings
5 stars
68 %
4 stars
31 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
20
4.2 out of 5
10 user ratings
5 stars
10 %
4 stars
90 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
9
3.8 out of 5
3 user ratings
5 stars
0 %
4 stars
100 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
User rating
39
4.2 out of 5
39 user ratings
5 stars
35 %
4 stars
43 %
3 stars
20 %
2 stars
0 %
1 stars
0 %
42
4.1 out of 5
42 user ratings
5 stars
35 %
4 stars
35 %
3 stars
28 %
2 stars
0 %
1 stars
0 %
46
4.3 out of 5
46 user ratings
5 stars
45 %
4 stars
43 %
3 stars
10 %
2 stars
0 %
1 stars
0 %
42
4.0 out of 5
42 user ratings
5 stars
35 %
4 stars
33 %
3 stars
28 %
2 stars
2 %
1 stars
0 %

Hardware

Operating systemAndroid 8.0Android 6.0Android 8.0Android 5.1
CPU clock speed2.0 GHz2.3 GHz2.7 GHz1.5 GHz
CPU cores8-core8-core8-core8-core
CPU modelMediaTek Helio P35Samsung Exynos 8 Octa 8890Samsung Exynos 9 Octa 9810Qualcomm Snapdragon 616 MSM8939v2
RAM memory2 GB4 GB4 GB2 GB
GPU model
N/A
ARM Mali-T880 MP12ARM Mali-G72 MP18Qualcomm Adreno 405

Display

Screen size5.7 in5.1 in5.8 in5.0 in
Resolution1440 x 720 px2560 x 1440 px1440 x 2960 px1280 x 720 px
Touchscreen
N/A
yesyesyes
Number of colors
N/A
16.7M16.7M16.7M
Panel type
N/A
OLEDOLEDLCD
Technology
N/A
  • Quad HD Super AMOLED
  • Super AMOLED
  • AMOLED
  • Quad HD+ Super AMOLED
IPS TFT
Pixel density
N/A
576.0 ppi570.0 ppi294.0 ppi
Screen material
N/A
Corning Gorilla Glass 5.0Corning Gorilla Glass 5.0
N/A
Dual screen support
N/A
nonono
Scratch resistant display
N/A
yesyesno
HDR
N/A
noyesno
Multi touch
N/A
yesyesyes

Rear camera

Primary sensor size1/3"1/2.6"1/2.55"
N/A
Primary sensor resolution16.0 Mpx12.0 Mpx12.0 Mpx13.0 Mpx
Focus adjustmentAutomaticAutomatic
  • Automatic
  • Manual
N/A
Primary lens aperture
N/A
1.7 f1.9 f2.0 f
Video recording
N/A
yesyesyes
Highest video resolution
N/A
4096 x 2160 px3840 x 2160 px1920 x 1080 px
Maximum FPS at the highest resolution
N/A
30.0 fps60.0 fps30.0 fps
Maximum FPS (regardless of res.)
N/A
240.0 fps960.0 fps
N/A
Max resolution (highest frame rate)
N/A
1280 x 720 px1280 x 720 px
N/A
Autofocus
N/A
yesyesyes
Burst Mode
N/A
yes
N/A
yes
Digital Image Stabilization
N/A
yes
N/A
yes
Digital zoom
N/A
yes
N/A
yes
Face detection
N/A
yes
N/A
yes
Geo-tagging
N/A
yesyesyes
HDR Capture
N/A
yes
N/A
yes
LED Flash
N/A
yesyesyes
Optical image stabilization
N/A
yesyes
N/A
Panorama
N/A
yes
N/A
yes
Touch focus
N/A
yesyesyes
Smile detection
N/A
N/A
N/A
yes

Front camera

Primary sensor size1/3"1/2.6"1/2.55"
N/A
Primary resolution8.0 Mpx5.0 Mpx8.0 Mpx5.0 Mpx
Lens apertureF/2.0F/1.7F/1.7
N/A
Light sourceLED flashLED flash
N/A
N/A
Focus adjustmentAutomaticAutomatic
  • Automatic
  • Manual
N/A

Storage

Internal storage32 GB
  • 32 GB
  • 64 GB
  • 256 GB
  • 64 GB
16 GB
Memory card reader
N/A
yesyesyes
Maximum card storage
N/A
200GB400GB128GB
Types of memory card supported
N/A
  • microSD
  • microSDHC
  • microSDXC
  • microSD
  • microSDHC
  • microSDXC
microSD

Design

Colour of productNew Aurora Black
  • Black
  • Gold
  • Pink
  • Pink/gold
  • Platinum gold
  • Silver
  • Titanium
  • White
  • White pearl
  • Black
  • Blue
  • Coral blue
  • Grey
  • Midnight black
  • Pink
  • Polaris blue
  • Purple
  • Sunrise gold
  • Gold
  • Grey
  • Silver
Material
N/A
  • Aluminum
  • Glass
  • Metal
  • Aluminum
  • Glass
  • Metal
Magnesium
Water resistant
N/A
yesyesno
Shock resistant
N/A
nonono
Dust resistant
N/A
yes
N/A
N/A
Fully waterproof
N/A
yes
N/A
N/A

Dimensions

Height6.02 in5.61 in5.81 in5.48 in
Width2.83 in2.74 in2.7 in2.73 in
Depth0.33 in0.31 in0.33 in0.33 in
Weight5.11 oz5.36 oz5.75 oz5.08 oz

Sensors

Accelerometeryesyesyesyes
Proximityyesyesyesyes
Ambient light sensoryesyesyesyes
Digital compass
N/A
yes
N/A
yes
Fingerprint
N/A
yesyes
N/A
Gyroscope
N/A
yesyesyes
Barometer
N/A
yesyes
N/A
Pedometer
N/A
yes
N/A
N/A
Hearth rate monitor
N/A
yesyes
N/A
ANT+
N/A
yesyes
N/A
Face scanner
N/A
N/A
yes
N/A

Connectivity

Dual sim supportyesyesyesyes
Bluetoothyesyesyesyes
Bluetooth version5.0 LE4.25.04.1
NFCyesyesyesno
Charging connectionUSBUSBUSBUSB
Headphone connection3.5 mm3.5 mm3.5 mm3.5 mm
Type of USB connectorMicro-USBMicro-USBUSB Type-C
N/A
Sim card size
N/A
Nano-SIMNano-SIMMicro-SIM
DLNA certified
N/A
yesnono
Bluetooth profile
N/A
  • A2DP
  • AVRCP
  • HFP
  • HID
  • HOGP
  • HSP
  • MAP
  • OPP
  • PAN
  • PBAP
  • SAP
  • A2DP
  • AVRCP
  • HFP
  • HID
  • HOGP
  • HSP
  • MAP
  • OPP
  • PAN
  • PBAP
  • SAP
A2DP
Bluetooth codec
N/A
  • aptX
  • SBC
  • aptX
  • SBC
SBC
USB version
N/A
2.0
3.1
2.0
USB On-The-Go (OTG)
N/A
yesyesyes
Video output
N/A
NoDisplayPort over USB-CNo

Cellular

Data transmission
  • GPRS
  • EDGE
  • HSDPA
  • HSUPA
  • HSPA+
  • LTE
  • EDGE
  • FDD-LTE
  • GPRS
  • HSDPA
  • HSPA+
  • HSUPA
  • TDD-LTE
  • EDGE
  • FDD-LTE
  • GPRS
  • HSDPA
  • HSPA+
  • HSUPA
  • LTE
  • TDD-LTE
  • VoLTE
  • VoWiFi
HSPA+
Navigation system
  • A-GPS
  • GLONASS
  • A-GPS
  • GLONASS
  • GPS
  • BeiDou
  • GLONASS
  • GPS
  • Galileo
GLONASS
GSM frequencies
  • 1800 MHz
  • 1900 MHz
  • 850 MHz
  • 900 MHz
  • 1800 MHz
  • 1900 MHz
  • 850 MHz
  • 900 MHz
  • 1800 MHz
  • 1900 MHz
  • 850 MHz
  • 900 MHz
  • 850 MHz
  • 900 MHz
  • 1800 MHz
  • 1900 MHz
Wireless network (Wi-Fi)
N/A
yesyesyes
Wireless networking standard
N/A
  • 802.11a
  • 802.11ac
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11a
  • 802.11ac
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11b
  • 802.11g
  • 802.11n
2G GSM
N/A
yesyesyes
3G UMTS
N/A
yesyesyes
UMTS frequences
N/A
  • 850 MHz
  • 900 MHz
  • 1900 MHz
  • 2100 MHz
  • 1700 MHz
  • 1900 MHz
  • 2100 MHz
  • 850 MHz
  • 900 MHz
  • 850 MHz
  • 900 MHz
  • 1900 MHz
  • 2100 MHz
4G LTE
N/A
yesyesyes
LTE frequencies
N/A
  • 700 MHz
  • 900 MHz
  • 1700 MHz
  • 2100 MHz
  • 2500 MHz
N/A
  • 1800 MHz
  • 1900 MHz
  • 2600 MHz
  • 2300 MHz
  • 2500 MHz
Mobile hotspot
N/A
yesyesyes
Streaming standards
N/A
  • Google Cast
  • Miracast
  • MirrorLink
  • Google Cast
  • Miracast
Miracast
CDMA frequences
N/A
N/A
N/A
  • 800 MHz
  • 1900 MHz

Battery

Battery typeLithium PolymerLithium ion
N/A
Lithium ion
Battery capacity3000.0 mAh3000.0 mAh3000.0 mAh4100.0 mAh
Replaceable battery
N/A
nonono
Standby time
N/A
288.0 h326.0 h
N/A
Talk time
N/A
27.0 h22.0 h
N/A
Fast charging
N/A
yesyesno
Fast charging standard
N/A
Qualcomm Quick Charge 2.0Samsung Adaptive Fast Charge
N/A
Wireless charging
N/A
yesyesno
Wireless charging standard
N/A
  • PMA
  • QI
  • WPC
  • PMA
  • QI
  • WPC
N/A

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Often compared with Samsung Galaxy S9