In depth comparison and review of CAT S42 and LG K51S. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
DESIGN AND DIMENSIONS | CAT S42 | LG K51S |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | - | LM-K510EMW | |
Form Factor | Touch - Rugged | Touch | |
Height | 161.3 mm | 165.2 mm | LG K51S has greater height than CAT S42. |
Width | 77.2 mm | 76.7 mm | CAT S42 has greater width than LG K51S. |
Depth | 12.7 mm | 8.26 mm | LG K51S is narrower than CAT S42. |
Weight | 220 g | 194 g | LG K51S is lighter than CAT S42. |
Body Colour | - | Pink | Titan | |
Protection | Shockproof, dustproof, splashproof, waterproof, sandproof, dirtproof, drop-proof | - | |
Waterproof (Water-resistant) | Yes | - | CAT S42 is waterproof. |
IP rating | IP68, IP69 | - | |
SAR Value | 0.947 W/kg (head), 1.206 W/kg (body), 2.029 W/kg (limb) | 1.335 W/kg (body), 0.501 W/kg (head) | |
Integrated Components | FM radio | - | |
Connector Type | USB Headset jack - mini-phone 3.5mm |
Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
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SIM Card Type (Size) | Nano SIM | Nano SIM | |
SIM Card Qty | Dual-SIM | Dual-SIM |
DISPLAY | CAT S42 | LG K51S |
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Display Type | LCD display | LCD display | |
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Display Technology | IPS | IPS | |
Screen Size (Display Size) | 5.5" | 6.55" | LG K51S has larger screen size than CAT S42. |
Screen Resolution (Display Resolution) | 1440 x 720 pixels | 1600 x 720 pixels | LG K51S has better screen resolution than CAT S42. |
Display Format | HD+ | HD+ | |
Pixel Density | - | 268 ppi | |
Aspect Ratio | 18:9 | 20:9 | |
Max Brightness | - | 400 cd/m² | |
Display Enhancement Technology | Super Bright Display | - | |
Display Features | - | Reading mode, FullVision display, night mode, hole in display | |
Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | Tempered glass |
PROCESSOR | CAT S42 | LG K51S |
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Processor Type (CPU) | MediaTek Helio A20 | MediaTek | |
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Processor Number | - | MT6765 | |
Clock Speed | - | 2.3 GHz | |
Processor Core Qty | Quad-core | 8-core | LG K51S has higher processor core quantity than CAT S42. |
64-bit Architecture | - | Yes | LG K51S has 64-bit architecture. |
Graphics System (GPU) | - | IMG PowerVR GE8320 |
MEMORY | CAT S42 | LG K51S |
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RAM | 3 GB | 3 GB | Both phones have the same RAM size. |
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Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | LG K51S has more internal memory than CAT S42. |
User Memory | - | 50.2 GB | |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 2 TB |
CAMERA | CAT S42 | LG K51S |
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MAIN CAMERA |
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Number of Main Cameras | 1 | 4 | |
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Sensor Resolution | 13 Megapixel | 32 Megapixel | LG K51S has better camera resolution than CAT S42. |
Lens Aperture | F/2.0 | F/1.8 | LG K51S has better lens aperture than CAT S42. |
Field of View (FoV) | - | 76.3 degree(s) | |
Focus Adjustment | Automatic | Automatic | |
Minimum Focal Length (Focal Distance) | - | 24 mm | |
Digital Zoom | - | 8x | |
Self-Timer Delay | - | Yes | |
Special Effects | - | HDR | |
Camera Modes | - | Burst mode, portrait mode, Flowers, Animals, Food, Person, Sunset, Sunrise, City, Landscape | |
Face Recognition (Face ID) | - | Face detection | LG K51S has face detection. |
White Balance | - | Automatic | |
Light Source | LED flash | LED flash | |
Video Resolutions | - | 1920 x 1080 (1080p) at 30 fps | |
Camera Features (Functions) | Phase Detect Auto-Focus (PDAF) | Phase Detect Auto-Focus (PDAF), geotagging, Big Pixels technology, Quad Pixel technology |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | - | 5 Megapixel | |
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Lens Type (2nd Camera) | - | Super wide-angle lens | |
Lens Aperture (2nd Camera) | - | F/2.2 | |
Field of View (2nd Camera) | - | 115 degree(s) | |
Minimum Focal Length (2nd Camera) | - | 16 mm |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
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Lens Aperture (3rd Camera) | - | F/2.4 | |
Field of View (3rd Camera) | - | 88.9 degree(s) | |
Camera Functions (3rd Camera) | - | Depth camera |
FOURTH CAMERA |
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Sensor Resolution (4th Camera) | - | 2 Megapixel | |
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Lens Aperture (4th Camera) | - | F/2.4 | |
Field of View (4th Camera) | - | 88.6 degree(s) | |
Camera Functions (4th Camera) | - | Macro camera | |
Camera Features (4th Camera) | - | 4cm macro photography |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 5 Megapixel | 13 Megapixel | LG K51S has better front camera resolution than CAT S42. |
Focus Adjustment | Focus free | - | |
Camera Modes (Front) | - | Gesture Shot, Selfie portrait | |
Face Recognition (Face ID) | - | Face detection | LG K51S has face detection. |
Camera Features (Front) | - | 17 filters |
BATTERY AND CHARGING | CAT S42 | LG K51S |
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Battery Capacity (Battery Size) | 4200 mAh | 4000 mAh | CAT S42 has larger battery capacity than LG K51S. |
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Standby Time | - | 100 hours | |
Talk Time | - | 480 minutes | |
Run Time Details | - | Talk: up to 480 min Standby: up to 100 hrs |
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Battery Technology | Lithium Ion | Lithium Ion |
CELLULAR | CAT S42 | LG K51S |
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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 10 | Android 9.0 Pie | |
User Interface | - | LG UX 9 | |
Intelligent Assistant | - | Google Assistant | |
Payment Technology | Android Pay | - | |
Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS |
COMMUNICATIONS | CAT S42 | LG K51S |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
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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 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28 | Band 1, Band 3, Band 7, Band 8, Band 20, Band 38 | |
4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600 | |
Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n | |
Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 BLE | |
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 | SMS, MMS |
MEDIA | CAT S42 | LG K51S |
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Supported Digital Audio Standards | - | WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis | |
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Supported Digital Video Standards | - | MKV, FLV, AVI, WMV, ASF, 3GP, TS, WebM, OGM, MP4 | |
Sound Enhancements | - | DTS: X 3D Surround Sound |
FEATURES | CAT S42 | LG K51S |
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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, digital compass | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
Security Devices | - | Fingerprint reader | |
Additional Phone Features | Wet Touchscreen Operation, Glove Touchscreen Operation | DLNA Certified, Dual microphones, KnockON, QuickMemo+ function, Mini View function, Capture+, EasyHome, Clip Tray, Google Lens, AI Cam, Game Tools, Google Assistant Button |
OTHERS | CAT S42 | LG K51S |
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Included Accessories | Power adapter | Power adapter, SIM card removal tool, USB-C cable | |
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Compliant Standards | MIL-STD 810G, IP68, IP69 | MIL-STD 810G | |
Max Depth of Water Resistance | 1.5 m | - | |
Max Height of Shock Resistance | 1.8 m | - | |
Max Operating Temperature | 55 °C | - | |
Min Operating Temperature | -25 °C | - |