In depth comparison and review of LG K40 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 K40 | CUBOT J9 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | LM-X420EMW | - | |
| Form Factor | Touch | Touch | |
| Height | 153 mm | 156 mm | CUBOT J9 has greater height than LG K40. |
| Width | 71.9 mm | 74.5 mm | CUBOT J9 has greater width than LG K40. |
| Depth | 8.3 mm | 9.4 mm | LG K40 is narrower than LG K40. |
| Weight | 145 g | 185 g | LG K40 is lighter than LG K40. |
| Body Colour | New Aurora Black | Moroccan blue | Green | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.597 W/kg (body), 0.518 W/kg (head) | 0.95 W/kg (body), 0.67 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 | |
| SIM Card Type (Size) | - | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | LG K40 | CUBOT J9 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 5.7" | 6.2" | CUBOT J9 has larger screen size than LG K40. |
| Screen Resolution (Display Resolution) | 1440 x 720 pixels | 1520 x 720 pixels | CUBOT J9 has better screen resolution than LG K40. |
| Display Format | HD | HD+ | |
| Pixel Density | 282 ppi | - | |
| Aspect Ratio | 18:9 | - | |
| Display Features | Curved glass, FullVision display | - |
| PROCESSOR | LG K40 | CUBOT J9 |
|---|
| Processor Type (CPU) | MediaTek | MediaTek | |
|---|---|---|---|
| Processor Number | MT6762 | MT6580 | |
| Clock Speed | 2 GHz | - | |
| Processor Core Qty | 8-core | Quad-core | LG K40 has higher processor core quantity than CUBOT J9. |
| 64-bit Architecture | Yes | - | LG K40 has 64-bit architecture. |
| Graphics System (GPU) | PowerVR GE8320 | - |
| MEMORY | LG K40 | CUBOT J9 |
|---|
| RAM | 2 GB | 2 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 16 GB | LG K40 has more internal memory than CUBOT J9. |
| User Memory | 20.2 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | - |
| CAMERA | LG K40 | CUBOT J9 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 13 Megapixel | LG K40 has better camera resolution than CUBOT J9. |
| Sensor Size | 1/3" | - | |
| Lens Aperture | F/2.0 | - | |
| Pixel Size | 1 μm | - | |
| Focus Adjustment | Automatic | - | |
| Light Source | LED flash | LED flash | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), GIF Creation, 8 different scenes | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 2 Megapixel |
|---|
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 0.3 Megapixel |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 8 Megapixel | Both phones have the same front camera resolution. |
| Sensor Size (Front) | 1/4" | - | |
| Lens Aperture (Front) | F/2.0 | - | |
| Pixel Size (Front) | 1.12 μm | - | |
| Camera Modes (Front) | Portrait mode | Al Beautification | |
| Light Source (Front) | LED flash | - |
| BATTERY AND CHARGING | LG K40 | CUBOT J9 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 4200 mAh | CUBOT J9 has larger battery capacity than LG K40. |
|---|---|---|---|
| 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 K40 | CUBOT J9 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 3G | LG K40 has more advanced generation mobile network. |
| Operating System | Android 8.1 Oreo | Android 10 | |
| Intelligent Assistant | Google Assistant | - | |
| Navigation | GPS | GPS, A-GPS |
| COMMUNICATIONS | LG K40 | 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/ac | Wi-Fi | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 4.0 | |
| NFC | Yes | - | LG K40 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | LG K40 | 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 | - | AVI, MOV, 3GP, MP4 | |
| Sound Enhancements | DTS: X 3D Premium Sound | - |
| FEATURES | LG K40 | CUBOT J9 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Ambient light sensor, proximity sensor | Accelerometer, proximity sensor, light sensor | |
| Security Devices | Face recognition, fingerprint reader | Face recognition | |
| Security Technology | - | Face ID | |
| Additional Phone Features | Google Lens, Google Assistant Key, AI Cam | - |
| OTHERS | LG K40 | CUBOT J9 |
|---|
| Included Accessories | Power adapter | USB cable, power adapter, protective case | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G | - |
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