Detailed comparison and review of Samsung Galaxy A40 and LG K20. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
DESIGN AND DIMENSIONS | Samsung Galaxy A40 | LG K20 |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | SM-A405FN/DS | LMX120EMW | |
Form Factor | Touch | Touch | |
Height | 144.4 mm | 148.6 mm | LG K20 has greater height than Samsung Galaxy A40. |
Width | 69.2 mm | 71.9 mm | LG K20 has greater width than Samsung Galaxy A40. |
Depth | 7.9 mm | 8.3 mm | Samsung Galaxy A40 is narrower than Samsung Galaxy A40. |
Weight | 140 g | 153 g | Samsung Galaxy A40 is lighter than Samsung Galaxy A40. |
Body Colour | Blue | Coral | White | Black | New Aurora Black | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 1.34 W/kg (body), 0.49 W/kg (head) | 1.343 W/kg (body), 0.717 W/kg (head) | |
Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
Headset jack - mini-phone 3.5mm Micro-USB |
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SIM Card Type (Size) | Nano SIM | Nano SIM | |
SIM Card Qty | Dual-SIM | Dual-SIM | |
SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
DISPLAY | Samsung Galaxy A40 | LG K20 |
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Display Type | OLED display | LCD display | |
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Display Technology | Super AMOLED | - | |
Screen Size (Display Size) | 5.9" | 5.45" | Samsung Galaxy A40 has larger screen size than LG K20. |
Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 960 x 480 pixels | Samsung Galaxy A40 has better screen resolution than LG K20. |
Display Format | Full HD+ | - | |
Pixel Density | 439 ppi | 197 ppi | Samsung Galaxy A40 has better pixel density than LG K20. |
Aspect Ratio | - | 18:9 | |
Colour Depth | 16.7 million colours | - | |
Display Enhancement Technology | Blue light filter | - | |
Display Features | Always-on display, Infinity Display, Edge-to-Edge screen | FullVision display |
PROCESSOR | Samsung Galaxy A40 | LG K20 |
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Processor Type (CPU) | Samsung Exynos | - | |
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Processor Number | 7904 | - | |
Clock Speed | 1.8 GHz | 1.5 GHz | Samsung Galaxy A40 has higher clock speed than LG K20. |
Processor Core Qty | 8-core | Quad-core | Samsung Galaxy A40 has higher processor core quantity than LG K20. |
MEMORY | Samsung Galaxy A40 | LG K20 |
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RAM | 4 GB | 1 GB | Samsung Galaxy A40 has more RAM than LG K20. |
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Internal Memory Size (Storage Capacity) | 64 GB | 16 GB | Samsung Galaxy A40 has more internal memory than LG K20. |
User Memory | 49.4 GB | - | |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSDHC - up to 32 GB |
CAMERA | Samsung Galaxy A40 | LG K20 |
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MAIN CAMERA |
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Number of Main Cameras | 2 | 1 | |
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Sensor Resolution | 16 Megapixel | 8 Megapixel | Samsung Galaxy A40 has better camera resolution than LG K20. |
Lens Type | Wide-angle lens | - | |
Lens Aperture | F/1.7 | F/2.2 | Samsung Galaxy A40 has better lens aperture than Samsung Galaxy A40. |
Focus Adjustment | Automatic | Automatic | |
Camera Modes | Panorama, Pro mode, HYPERLAPSE, portrait mode, AR Emoji, Flowers, Animals, Landscapes, Trees, Sky, Mountains, Beaches, Street scenes, Waterfalls, Snow, Birds, Text, Food, Indoor, Night view, Sunsets, Portaits, Green, Sunrises, Shore | - | |
Light Source | LED flash | LED flash | |
Video Resolutions | 1920 x 1080 (1080p) at 30 fps | - | |
Camera Features (Functions) | AR sticker, Scene Optimiser, 20 different scenes, Smart professional framing, fault detection | Touch & Shoot |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | 5 Megapixel | - | |
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Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
Lens Aperture (2nd Camera) | F/2.2 | - | |
Field of View (2nd Camera) | 123 degree(s) | - |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 25 Megapixel | 5 Megapixel | Samsung Galaxy A40 has better front camera resolution than LG K20. |
Lens Aperture (Front) | F/2.0 | - | |
Focus Adjustment | Automatic | - | |
Camera Modes (Front) | Portrait mode, AR Emoji, Motion Photos | Gesture Shot, Gesture Interval Shot, Auto Shot | |
Light Source (Front) | Display flash | LED flash | |
Camera Features (Front) | Floating camera button | - |
BATTERY AND CHARGING | Samsung Galaxy A40 | LG K20 |
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Battery Capacity (Battery Size) | 3100 mAh | 3000 mAh | Samsung Galaxy A40 has larger battery capacity than LG K20. |
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Fast Charging Technology | Samsung Fast Charging | - | Samsung Galaxy A40 has fast charging technology. |
Talk Time | 1080 minutes | - | |
Run Time Details | Active online usage (3G): up to 9 hrs Active online usage (4G): up to 11 hrs Active online usage (Wi-Fi): up to 11 hrs Playback (video): up to 14 hrs Playback (audio): up to 62 hrs Talk (3G): up to 1080 min |
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CELLULAR | Samsung Galaxy A40 | LG K20 |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
Operating System | Android 9.0 Pie | Android 9.0 Pie (Go edition) | |
User Interface | Samsung One UI | - | |
Intelligent Assistant | Bixby | Google Assistant | |
Navigation | GPS, GLONASS, BeiDou, Galileo | GPS |
COMMUNICATIONS | Samsung Galaxy A40 | LG K20 |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | |
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2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | - | |
3G UMTS Band | Band 1, Band 2, Band 5, Band 8 | - | |
3G UMTS Frequency | 2100, 1900, 850, 900 | - | |
4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40, Band 41 | - | |
4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300, TDD 2500 | - | |
Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+ | IEEE 802.11b/g/n | |
Bluetooth | Bluetooth 5.0 LE | Bluetooth 4.2 | |
NFC | Yes | - | Samsung Galaxy A40 has NFC reader for mobile payments. |
Messaging Services | SMS, MMS | SMS, MMS |
MEDIA | Samsung Galaxy A40 | LG K20 |
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Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | - | |
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Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | - | |
Sound Enhancements | Dolby Atmos sound technology | - |
FEATURES | Samsung Galaxy A40 | LG K20 |
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Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
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Sensors | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor | Ambient light sensor, proximity sensor | |
Security Devices | Face recognition, fingerprint reader | - | |
Additional Phone Features | Alarm Clock, Fast Charging | KnockON, notification LED, Google Assistant Key |
OTHERS | Samsung Galaxy A40 | LG K20 |
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Included Accessories | Power adapter | Power adapter | |
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Compliant Standards | - | MIL-STD 810G |