Detailed comparison and review of LG K51S 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 K51S | Samsung Galaxy A42 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | LM-K510EMW | SM-A426B/DS | |
| Form Factor | Touch | Touch | |
| Height | 165.2 mm | 164.4 mm | LG K51S has greater height than Samsung Galaxy A42 5G. |
| Width | 76.7 mm | 75.9 mm | LG K51S has greater width than Samsung Galaxy A42 5G. |
| Depth | 8.26 mm | 8.6 mm | LG K51S is narrower than LG K51S. |
| Weight | 194 g | 193 g | Samsung Galaxy A42 5G is lighter than LG K51S. |
| Body Colour | Pink | Titan | Prism dot black | Prism dot white | Prism dot grey | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.335 W/kg (body), 0.501 W/kg (head) | 1.334 W/kg (body), 1.154 W/kg (head) | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| 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 | LG K51S | Samsung Galaxy A42 5G |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | Super AMOLED | |
| Screen Size (Display Size) | 6.55" | 6.6" | Samsung Galaxy A42 5G has larger screen size than LG K51S. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 1600 x 720 pixels | Both phones have the same screen resolution. |
| Display Format | HD+ | HD+ | |
| Pixel Density | 268 ppi | - | |
| Aspect Ratio | 20:9 | - | |
| Max Brightness | 400 cd/m² | - | |
| Colour Depth | - | 16.7 million colours | |
| Display Features | Reading mode, FullVision display, night mode, hole in display | Night mode, Edge-to-Edge screen, Infinity U Display | |
| Display Protection (Screen Protector) | Tempered glass | - |
| PROCESSOR | LG K51S | Samsung Galaxy A42 5G |
|---|
| Processor Type (CPU) | MediaTek | - | |
|---|---|---|---|
| Processor Number | MT6765 | - | |
| Clock Speed | 2.3 GHz | 2.2 GHz | LG K51S has higher clock speed than Samsung Galaxy A42 5G. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | LG K51S has 64-bit architecture. |
| Graphics System (GPU) | IMG PowerVR GE8320 | - |
| MEMORY | LG K51S | Samsung Galaxy A42 5G |
|---|
| RAM | 3 GB | 4 GB | Samsung Galaxy A42 5G has more RAM than LG K51S. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | Samsung Galaxy A42 5G has more internal memory than LG K51S. |
| User Memory | 50.2 GB | 106 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | LG K51S | Samsung Galaxy A42 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 4 | |
|---|---|---|---|
| Sensor Resolution | 32 Megapixel | 48 Megapixel | Samsung Galaxy A42 5G has better camera resolution than LG K51S. |
| Lens Aperture | F/1.8 | F/1.8 | Both phones have the same camera lens aperture. |
| Field of View (FoV) | 76.3 degree(s) | - | |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | 24 mm | - | |
| Digital Zoom | 8x | 10x | Samsung Galaxy A42 5G has better digital zoom than LG K51S. |
| Self-Timer Delay | Yes | - | |
| Special Effects | HDR | Bokeh effect | |
| Camera Modes | Burst mode, portrait mode, Flowers, Animals, Food, Person, Sunset, Sunrise, City, Landscape | Live Focus mode | |
| Face Recognition (Face ID) | Face detection | - | LG K51S has face detection. |
| White Balance | Automatic | - | |
| Light Source | LED flash | Flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 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), geotagging, Big Pixels technology, Quad Pixel technology | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 8 Megapixel | Samsung Galaxy A42 5G has better second camera resolution than LG K51S. |
|---|---|---|---|
| Lens Type (2nd Camera) | Super wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.2 | Both phones have the same second camera lens aperture. |
| Field of View (2nd Camera) | 115 degree(s) | 123 degree(s) | Samsung Galaxy A42 5G has larger second camera lens field of view than LG K51S. |
| Minimum Focal Length (2nd Camera) | 16 mm | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 5 Megapixel | Samsung Galaxy A42 5G has higher resolution third camera than LG K51S. |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Field of View (3rd Camera) | 88.9 degree(s) | - | |
| Camera Functions (3rd Camera) | Depth camera | Macro camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 2 Megapixel | 5 Megapixel | Samsung Galaxy A42 5G has higher resolution fourth camera than LG K51S. |
|---|---|---|---|
| Lens Aperture (4th Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the fourth camera. |
| Field of View (4th Camera) | 88.6 degree(s) | - | |
| Camera Functions (4th Camera) | Macro camera | Depth camera | |
| Camera Features (4th Camera) | 4cm macro photography | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 13 Megapixel | 20 Megapixel | Samsung Galaxy A42 5G has better front camera resolution than LG K51S. |
| Lens Aperture (Front) | - | F/2.2 | |
| Focus Adjustment | - | Focus free | |
| Camera Modes (Front) | Gesture Shot, Selfie portrait | Live Focus mode | |
| Face Recognition (Face ID) | Face detection | - | LG K51S has face detection. |
| Video Resolutions (Front) | - | 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Front) | 17 filters | - |
| BATTERY AND CHARGING | LG K51S | Samsung Galaxy A42 5G |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 5000 mAh | Samsung Galaxy A42 5G has larger battery capacity than LG K51S. |
|---|---|---|---|
| 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 K51S. |
| 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 K51S | 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 9.0 Pie | Google Android | |
| User Interface | LG UX 9 | One UI | |
| Intelligent Assistant | Google Assistant | - | |
| Navigation | GPS | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | LG K51S | 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 | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 BLE | Bluetooth 5.0 | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, SPP, GOEP, A2DP, AVRCP, HID, SAP, GAVDP, PBAP, MAP, GATT, HDP, HOGP, ScPP | - | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | LG K51S | 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, TS, WebM, OGM, MP4 | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | |
| Sound Enhancements | DTS: X 3D Surround Sound | - |
| FEATURES | LG K51S | 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 | Accelerometer, ambient light sensor, proximity sensor, digital compass | Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor, light sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader | |
| Additional Phone Features | DLNA Certified, Dual microphones, KnockON, QuickMemo+ function, Mini View function, Capture+, EasyHome, Clip Tray, Google Lens, AI Cam, Game Tools, Google Assistant Button | Samsung KNOX, Game Booster |
| OTHERS | LG K51S | Samsung Galaxy A42 5G |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable | Power adapter | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G | - |
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