In depth comparison and review of CUBOT J3 and TCL 306. 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 | CUBOT J3 | TCL 306 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | 6102H | |
| Form Factor | Touch | Touch | |
| Height | 141.4 mm | 165.2 mm | TCL 306 has greater height than CUBOT J3. |
| Width | 66.3 mm | 75.5 mm | TCL 306 has greater width than CUBOT J3. |
| Depth | 8.8 mm | 8.9 mm | CUBOT J3 is narrower than CUBOT J3. |
| Weight | - | 190 g | |
| Body Colour | Blue | Space grey | |
| Waterproof (Water-resistant) | - | - | TCL 306 is waterproof. |
| SAR Value | - | 1.3 W/kg (body), 1.126 W/kg (head), 3.173 W/kg (limb) | |
| Integrated Components | - | FM radio, LED flashlight | |
| Connector Type | 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 | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | CUBOT J3 | TCL 306 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Screen Size (Display Size) | 5" | 6.52" | TCL 306 has larger screen size than CUBOT J3. |
| Screen Resolution (Display Resolution) | 960 x 480 pixels | 1600 x 720 pixels | TCL 306 has better screen resolution than CUBOT J3. |
| Display Format | - | HD+ | |
| Pixel Density | 215 ppi | 269 ppi | TCL 306 has better pixel density than CUBOT J3. |
| Aspect Ratio | 18:9 | 20:9 | |
| Max Brightness | 430 cd/m² | 450 cd/m² | TCL 306 has better display brightness than CUBOT J3. |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | 1000:1 | 1000:1 | Both phones have the same display contrast ratio. |
| Display Features | 2.5D Glass | Sunlight Display, Dark mode, V-notch display, TCL NXTVISION |
| PROCESSOR | CUBOT J3 | TCL 306 |
|---|
| Processor Type (CPU) | MediaTek | MediaTek Helio G25 | |
|---|---|---|---|
| Processor Number | MT6580 | - | |
| Clock Speed | 1.3 GHz | 2 GHz | TCL 306 has higher clock speed than CUBOT J3. |
| Processor Core Qty | Quad-core | 8-core | TCL 306 has higher processor core quantity than CUBOT J3. |
| 64-bit Architecture | Yes | - | CUBOT J3 has 64-bit architecture. |
| Graphics System (GPU) | ARM Mali-400 MP2 | IMG GE8320 |
| MEMORY | CUBOT J3 | TCL 306 |
|---|
| RAM | 1 GB | 3 GB | TCL 306 has more RAM than CUBOT J3. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | TCL 306 has more internal memory than CUBOT J3. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 64 GB | microSDHC, microSD, microSDXC - up to 512 GB |
| CAMERA | CUBOT J3 | TCL 306 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 13 Megapixel | TCL 306 has better camera resolution than CUBOT J3. |
| Sensor Size | - | 1/3.06" | |
| Lens Aperture | - | F/2.2 | |
| Lens Construction | - | 4-element | |
| Field of View (FoV) | - | 76.7 degree(s) | |
| Pixel Size | - | 1.12 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR, Bokeh effect | |
| Camera Modes | - | Panorama, Pro mode, Gesture Shot, Macro mode | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | - | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | - | Phase Detect Auto-Focus (PDAF), AI scene recognition |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/5" | |
| Lens Aperture (2nd Camera) | - | F/2.4 | |
| Lens Element Qty (2nd Camera) | - | 3-element | |
| Field of View (2nd Camera) | - | 86.6 degree(s) | |
| Pixel Size (2nd Camera) | - | 1.65 μm | |
| Camera Functions (2nd Camera) | - | Depth camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Sensor Size (3rd Camera) | - | 1/5" | |
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Lens Element Qty (3rd Camera) | - | 3-element | |
| Field of View (3rd Camera) | - | 88.8 degree(s) | |
| Pixel Size (3rd Camera) | - | 1.75 μm | |
| Camera Functions (3rd Camera) | - | Macro camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 5 Megapixel | Both phones have the same front camera resolution. |
| Sensor Size (Front) | - | 1/5" | |
| Lens Aperture (Front) | - | F/2.2 | |
| Lens Element Qty (Front) | - | 3-element | |
| Field of View (Front) | - | 76 degree(s) | |
| Pixel Size (Front) | - | 1.12 μm | |
| Focus Adjustment | Focus free | Focus free | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | Portrait mode | |
| Face Recognition (Face ID) | - | Face tracking | TCL 306 has face detection. |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Front) | - | Auto capture |
| BATTERY AND CHARGING | CUBOT J3 | TCL 306 |
|---|
| Battery Capacity (Battery Size) | 2000 mAh | 5000 mAh | TCL 306 has larger battery capacity than CUBOT J3. |
|---|---|---|---|
| Recharge Time (Charging Time) | - | 3.2 hour(s) | |
| Standby Time | 168 hours | - | |
| Run Time Details | Standby: up to 168 hrs Playback (audio): up to 15 hrs Continuous browsing: up to 10 hrs Reading (book): up to 13 hrs |
Mixed usage: up to 48 hrs |
| CELLULAR | CUBOT J3 | TCL 306 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 3G | 4G | TCL 306 has more advanced generation mobile network. |
| Operating System | Android Go | Android 12 | |
| User Interface | - | TCL UI | |
| Navigation | GPS, A-GPS | A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | CUBOT J3 | TCL 306 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA | GPRS, EDGE, HSPA+, LTE, VoLTE, VoWiFi | |
|---|---|---|---|
| 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 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 850, 900 | |
| 4G LTE Band | - | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | - | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 5.0 | |
| NFC | - | Yes | TCL 306 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | CUBOT J3 | TCL 306 |
|---|
| Supported Digital Audio Standards | AAC, MP3, OGG, M4A, MID, 3GP | AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AWB, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, 3GP, F4V, MP4 | MPEG-4, H.263, HEVC, VP8, VP9, H.265, H.264 AVC |
| FEATURES | CUBOT J3 | TCL 306 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Ambient light sensor, G-sensor, distance sensor | Accelerometer, proximity sensor, digital compass, light sensor | |
| Security Devices | Face recognition | Fingerprint reader | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | - | HD Voice, dual microphones with noise cancellation |
| OTHERS | CUBOT J3 | TCL 306 |
|---|
| Included Accessories | USB cable, power adapter, protective case | Power adapter, SIM card removal tool, USB-C cable |
|---|
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