Samsung Galaxy A40 vs LG K31 Specs Comparison
Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.
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Samsung Galaxy A40 | LG K31 |
Released
·
Apr 10, 2019
|
Released
·
Aug 21, 2020
|
5.9-inch
|
5.7-inch
|
Dual camera
|
Dual camera
|
4GB · 64GB
|
2GB · 32GB
|
3100 mAh
|
3000 mAh
|
Design
Dimensions | |
---|---|
5.69 x 2.72 x 0.31 inches 144.4 x 69.2 x 7.9 mm |
5.82 x 2.8 x 0.34 inches 147.8 x 71.1 x 8.6 mm |
Weight | |
4.94 oz (140.0 g) | 5.15 oz (146.0 g) |
Materials | |
Back: Plastic Frame: Plastic | Back: Plastic Frame: Plastic |
Resistance | |
Yes; MIL-STD-810 certified | |
Biometrics | |
2D Face unlock, Fingerprint (touch) | Fingerprint (touch) |
Keys | |
Right: Volume control, Lock/Unlock key | Left: Volume control; Right: Lock/Unlock key |
Colors | |
Black, Coral, Blue, White | Silver |
Display
Size | |
---|---|
5.9-inch | 5.7-inch |
Resolution | |
2340x1080px, 19.5:9 ratio, 437 PPI | 1520x720px, 19:9 ratio, 295 PPI |
Technology | |
Super AMOLED | IPS LCD |
Screen-to-body | |
85.73 % | 77.13 % |
Features | |
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor | Ambient light sensor, Proximity sensor |
Hardware
System chip | |
---|---|
Exynos 7904 (14 nm) | MediaTek Helio P22 MT6762 (12 nm) |
Processor | |
Octa-core 1800 MHz ARM Cortex-A73 and ARM Cortex-A53 |
Octa-core 2000 MHz Arm Cortex-A53 |
GPU | |
Mali-G71 MP2 | IMG PowerVR GE8320 |
RAM | |
4GB (LPDDR4) | 2GB |
Internal storage | |
64GB, available to use: 49.4 GB | 32GB, available to use: 17 GB |
Storage expansion | |
microSDXC up to 512 GB | microSDXC up to 32 GB |
OS | |
Android (11, 10, 9.0 Pie), Samsung One UI | Android (10) |
Battery
Capacity | |
---|---|
3100 mAh | 3000 mAh |
Type | |
Li - Polymer | |
Charging | |
Samsung Adaptive Fast Charging |
Camera
Rear | |
---|---|
Dual camera | Dual camera |
Main camera | |
16 MP (PDAF) Aperture size: F1.7 Focal length: 27 mm Sensor size: 1/2.8" Pixel size: 1.12 μm | 13 MP (PDAF) Aperture size: F1.8 Sensor size: 1/3" Pixel size: 1.12 μm |
Second camera | |
5 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/5" Pixel size: 1.12 μm | 5 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm |
Flash | |
LED | LED |
Video recording | |
1920x1080 (Full HD) (30 fps) Hyperlapse, Video calling, Video sharing |
1920x1080 (Full HD) (30 fps) |
Front | |
25 MP, Video capture: 1920x1080 (Full HD) | 5 MP, Video capture: 1920x1080 (Full HD) |
Connectivity & Features
Bluetooth | |
---|---|
5.0 | 5.0 |
WLAN | |
802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot | 802.11 b,g,n Wi-Fi Direct, Hotspot |
USB | |
Type-C, USB 2.0 | microUSB, USB 2.0 |
Hearing aid compatible | |
M3/T3 | |
Location | |
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning | GPS, A-GPS, Cell ID, Wi-Fi positioning |
Sensors | |
Accelerometer, Gyroscope, Compass, Hall (for flip covers) | Accelerometer |
Other | |
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync | UMA (Wi-Fi Calling) |
Multimedia
Headphones | |
---|---|
3.5mm jack | 3.5mm jack |
Speakers | |
Earpiece, Loudspeaker | Earpiece, Loudspeaker |
Features | |
Dolby Atmos, Album art cover, Background playback | |
Screen mirroring | |
Wireless screen share | Wireless screen share |
Radio | |
FM | FM |
Additional microphone(s) | |
Noise cancellation | Noise cancellation |
Cellular
4G (FDD) | |
---|---|
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD) | Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600) |
4G (TDD) | |
Bands 38(2600), 40(2300), 41(2600+) | Bands 41(2600+) |
3G | |
Bands 1(2100), 2(1900), 5(850), 8(900) | Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900) |
Data Speed | |
LTE-A Cat 12/13 (600/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s | LTE-A Cat 7 (300/100 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s |
Dual SIM | |
Yes | |
SIM type | |
Nano SIM | Nano SIM |
HD Voice | |
Yes |
Regulatory Approval
FCC approval | |
---|---|
Date approved: Mar 08, 2019 FCC ID value: A3LSMA405FN | Date approved: Sep 14, 2020 FCC ID value: ZNFK300AM |
Measured SAR | |
Head: 0.51 W/kg Body: 0.46 W/kg Simultaneous Transmission: 1.02 W/kg Wireless Router: 0.61 W/kg |
Head: 0.47 W/kg Body: 0.91 W/kg Simultaneous Transmission: 1.26 W/kg Wireless Router: 1.02 W/kg |
Buyers information
MSRP | |
---|---|
$ 150 | |
In The Box | |
Travel Adapter, USB Cable |
Availability
Officially announced | |
---|---|
Apr 10, 2019 |
Links
Full specifications | |
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Samsung Galaxy A40 Specs | LG K31 Specs |
User Reviews | |
Samsung Galaxy A40 User Reviews |