In depth comparison and review of LG K51S and CUBOT J9. 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 | LG K51S | CUBOT J9 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | LM-K510EMW | - | |
| Form Factor | Touch | Touch | |
| Height | 165.2 mm | 156 mm | LG K51S has greater height than CUBOT J9. |
| Width | 76.7 mm | 74.5 mm | LG K51S has greater width than CUBOT J9. |
| Depth | 8.26 mm | 9.4 mm | LG K51S is narrower than LG K51S. |
| Weight | 194 g | 185 g | CUBOT J9 is lighter than LG K51S. |
| Body Colour | Pink | Titan | Green | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.335 W/kg (body), 0.501 W/kg (head) | 0.95 W/kg (body), 0.67 W/kg (head) | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
USB Type-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | LG K51S | CUBOT J9 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 6.55" | 6.2" | LG K51S has larger screen size than CUBOT J9. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 1520 x 720 pixels | LG K51S has better screen resolution than CUBOT J9. |
| Display Format | HD+ | HD+ | |
| Pixel Density | 268 ppi | - | |
| Aspect Ratio | 20:9 | - | |
| Max Brightness | 400 cd/m² | - | |
| Display Features | Reading mode, FullVision display, night mode, hole in display | - | |
| Display Protection (Screen Protector) | Tempered glass | - |
| PROCESSOR | LG K51S | CUBOT J9 |
|---|
| Processor Type (CPU) | MediaTek | MediaTek | |
|---|---|---|---|
| Processor Number | MT6765 | MT6580 | |
| Clock Speed | 2.3 GHz | - | |
| Processor Core Qty | 8-core | Quad-core | LG K51S has higher processor core quantity than CUBOT J9. |
| 64-bit Architecture | Yes | - | LG K51S has 64-bit architecture. |
| Graphics System (GPU) | IMG PowerVR GE8320 | - |
| MEMORY | LG K51S | CUBOT J9 |
|---|
| RAM | 3 GB | 2 GB | LG K51S has more RAM than CUBOT J9. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 16 GB | LG K51S has more internal memory than CUBOT J9. |
| User Memory | 50.2 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | - |
| CAMERA | LG K51S | CUBOT J9 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 3 | |
|---|---|---|---|
| Sensor Resolution | 32 Megapixel | 13 Megapixel | LG K51S has better camera resolution than CUBOT J9. |
| Lens Aperture | F/1.8 | - | |
| Field of View (FoV) | 76.3 degree(s) | - | |
| Focus Adjustment | 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), geotagging, Big Pixels technology, Quad Pixel technology | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 2 Megapixel | LG K51S has better second camera resolution than CUBOT J9. |
|---|---|---|---|
| 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 |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 0.3 Megapixel | LG K51S has higher resolution third camera than CUBOT J9. |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | - | |
| Field of View (3rd Camera) | 88.9 degree(s) | - | |
| Camera Functions (3rd Camera) | Depth camera | - |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 2 Megapixel | - | |
|---|---|---|---|
| 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 |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 13 Megapixel | 8 Megapixel | LG K51S has better front camera resolution than CUBOT J9. |
| Camera Modes (Front) | Gesture Shot, Selfie portrait | Al Beautification | |
| Face Recognition (Face ID) | Face detection | - | LG K51S has face detection. |
| Camera Features (Front) | 17 filters | - |
| BATTERY AND CHARGING | LG K51S | CUBOT J9 |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4200 mAh | CUBOT J9 has larger battery capacity than LG K51S. |
|---|---|---|---|
| Standby Time | 100 hours | - | |
| Talk Time | 480 minutes | - | |
| Run Time Details | Talk: up to 480 min Standby: up to 100 hrs |
- | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | LG K51S | CUBOT J9 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 3G | LG K51S has more advanced generation mobile network. |
| Operating System | Android 9.0 Pie | Android 10 | |
| User Interface | LG UX 9 | - | |
| Intelligent Assistant | Google Assistant | - | |
| Navigation | GPS | GPS, A-GPS |
| COMMUNICATIONS | LG K51S | CUBOT J9 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | - | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 4G LTE Band | Band 1, Band 3, Band 7, Band 8, Band 20, Band 38 | - | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600 | - | |
| Wireless Interface | IEEE 802.11a/b/g/n | Wi-Fi | |
| Bluetooth | Bluetooth 5.0 BLE | Bluetooth 4.0 | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, SPP, GOEP, A2DP, AVRCP, HID, SAP, GAVDP, PBAP, MAP, GATT, HDP, HOGP, ScPP | - | |
| NFC | Yes | - | LG K51S has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | LG K51S | CUBOT J9 |
|---|
| Supported Digital Audio Standards | WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis | WAV, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio) | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, TS, WebM, OGM, MP4 | AVI, MOV, 3GP, MP4 | |
| Sound Enhancements | DTS: X 3D Surround Sound | - |
| FEATURES | LG K51S | CUBOT J9 |
|---|
| Phone Functions | 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, light sensor | |
| Security Devices | Fingerprint reader | Face recognition | |
| Security Technology | - | Face ID | |
| 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 | - |
| OTHERS | LG K51S | CUBOT J9 |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable | USB cable, power adapter, protective case | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G | - |
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