Detailed comparison and review of LG K40 and Samsung Galaxy A42 5G. 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 | LG K40 | Samsung Galaxy A42 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | LM-X420EMW | SM-A426B/DS | |
| Form Factor | Touch | Touch | |
| Height | 153 mm | 164.4 mm | Samsung Galaxy A42 5G has greater height than LG K40. |
| Width | 71.9 mm | 75.9 mm | Samsung Galaxy A42 5G has greater width than LG K40. |
| Depth | 8.3 mm | 8.6 mm | LG K40 is narrower than LG K40. |
| Weight | 145 g | 193 g | LG K40 is lighter than LG K40. |
| Body Colour | New Aurora Black | Moroccan blue | Prism dot black | Prism dot white | Prism dot grey | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.597 W/kg (body), 0.518 W/kg (head) | 1.334 W/kg (body), 1.154 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | - | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | LG K40 | Samsung Galaxy A42 5G |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | Super AMOLED | |
| Screen Size (Display Size) | 5.7" | 6.6" | Samsung Galaxy A42 5G has larger screen size than LG K40. |
| Screen Resolution (Display Resolution) | 1440 x 720 pixels | 1600 x 720 pixels | Samsung Galaxy A42 5G has better screen resolution than LG K40. |
| Display Format | HD | HD+ | |
| Pixel Density | 282 ppi | - | |
| Aspect Ratio | 18:9 | - | |
| Colour Depth | - | 16.7 million colours | |
| Display Features | Curved glass, FullVision display | Night mode, Edge-to-Edge screen, Infinity U Display |
| PROCESSOR | LG K40 | Samsung Galaxy A42 5G |
|---|
| Processor Type (CPU) | MediaTek | - | |
|---|---|---|---|
| Processor Number | MT6762 | - | |
| Clock Speed | 2 GHz | 2.2 GHz | Samsung Galaxy A42 5G has higher clock speed than LG K40. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | LG K40 has 64-bit architecture. |
| Graphics System (GPU) | PowerVR GE8320 | - |
| MEMORY | LG K40 | Samsung Galaxy A42 5G |
|---|
| RAM | 2 GB | 4 GB | Samsung Galaxy A42 5G has more RAM than LG K40. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | Samsung Galaxy A42 5G has more internal memory than LG K40. |
| User Memory | 20.2 GB | 106 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | LG K40 | Samsung Galaxy A42 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 4 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 48 Megapixel | Samsung Galaxy A42 5G has better camera resolution than LG K40. |
| Sensor Size | 1/3" | - | |
| Lens Aperture | F/2.0 | F/1.8 | Samsung Galaxy A42 5G has better lens aperture than LG K40. |
| Pixel Size | 1 μm | - | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 10x | |
| Special Effects | - | Bokeh effect | |
| Camera Modes | - | Live Focus mode | |
| Light Source | LED flash | Flash | |
| Video Resolutions | - | Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 480 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), GIF Creation, 8 different scenes | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 123 degree(s) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Camera Functions (3rd Camera) | - | Macro camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Aperture (4th Camera) | - | F/2.4 | |
| Camera Functions (4th Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 20 Megapixel | Samsung Galaxy A42 5G has better front camera resolution than LG K40. |
| Sensor Size (Front) | 1/4" | - | |
| Lens Aperture (Front) | F/2.0 | F/2.2 | LG K40 has better front lens aperture than LG K40. |
| Pixel Size (Front) | 1.12 μm | - | |
| Focus Adjustment | - | Focus free | |
| Camera Modes (Front) | Portrait mode | Live Focus mode | |
| Light Source (Front) | LED flash | - | |
| Video Resolutions (Front) | - | 3840 x 2160 (4K) at 30 fps |
| BATTERY AND CHARGING | LG K40 | Samsung Galaxy A42 5G |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 5000 mAh | Samsung Galaxy A42 5G has larger battery capacity than LG K40. |
|---|---|---|---|
| Fast Charging Technology | - | Adaptive Fast Charging | Samsung Galaxy A42 5G has fast charging technology. |
| Standby Time | 100 hours | - | |
| Talk Time | 480 minutes | 2160 minutes | Samsung Galaxy A42 5G has longer battery life when making calls than LG K40. |
| Run Time Details | Talk: up to 480 min Standby: up to 100 hrs |
Active online usage (LTE): up to 21 hrs Active online usage (Wi-Fi): up to 22 hrs Playback (audio): up to 130 hrs Talk (4G): up to 2160 min Playback (video): up to 34 hrs |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | LG K40 | Samsung Galaxy A42 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Samsung Galaxy A42 5G has more advanced generation mobile network. |
| Operating System | Android 8.1 Oreo | Google Android | |
| User Interface | - | One UI | |
| Intelligent Assistant | Google Assistant | - | |
| Navigation | GPS | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | LG K40 | Samsung Galaxy A42 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | - | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 7, Band 8, Band 20, Band 38 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n28, n41, n78, n40 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 700APT, TDD TD 2500, TDD TD 3500, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.0 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | LG K40 | Samsung Galaxy A42 5G |
|---|
| Supported Digital Audio Standards | WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | |
| Sound Enhancements | DTS: X 3D Premium Sound | - |
| FEATURES | LG K40 | Samsung Galaxy A42 5G |
|---|
| 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 | |
|---|---|---|---|
| Sensors | Ambient light sensor, proximity sensor | Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor, light sensor | |
| Security Devices | Face recognition, fingerprint reader | Fingerprint reader | |
| Additional Phone Features | Google Lens, Google Assistant Key, AI Cam | Samsung KNOX, Game Booster |
| OTHERS | LG K40 | Samsung Galaxy A42 5G |
|---|
| Included Accessories | Power adapter | Power adapter | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G | - |
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