In depth comparison and review of Samsung Galaxy J3 (2017) DUOS 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 | Samsung Galaxy J3 (2017) DUOS | TCL 306 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J330F | 6102H | |
| Form Factor | Touch | Touch | |
| Height | 143.2 mm | 165.2 mm | TCL 306 has greater height than Samsung Galaxy J3 (2017) DUOS. |
| Width | 70.3 mm | 75.5 mm | TCL 306 has greater width than Samsung Galaxy J3 (2017) DUOS. |
| Depth | 8.2 mm | 8.9 mm | Samsung Galaxy J3 (2017) DUOS is narrower than Samsung Galaxy J3 (2017) DUOS. |
| Weight | 142 g | 190 g | Samsung Galaxy J3 (2017) DUOS is lighter than Samsung Galaxy J3 (2017) DUOS. |
| Body Colour | Black | Blue | Space grey | |
| Body Material | Metal | - | |
| Waterproof (Water-resistant) | - | - | TCL 306 is waterproof. |
| SAR Value | 1.32 W/kg (body), 0.658 W/kg (head) | 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 Headset jack - mini-phone 3.5mm |
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 | Samsung Galaxy J3 (2017) DUOS | TCL 306 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | PLS | - | |
| Screen Size (Display Size) | 5" | 6.52" | TCL 306 has larger screen size than Samsung Galaxy J3 (2017) DUOS. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1600 x 720 pixels | TCL 306 has better screen resolution than Samsung Galaxy J3 (2017) DUOS. |
| Display Format | HD | HD+ | |
| Pixel Density | - | 269 ppi | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 450 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 1000:1 | |
| Display Features | - | Sunlight Display, Dark mode, V-notch display, TCL NXTVISION |
| PROCESSOR | Samsung Galaxy J3 (2017) DUOS | TCL 306 |
|---|
| Processor Type (CPU) | - | MediaTek Helio G25 | |
|---|---|---|---|
| Clock Speed | 1.4 GHz | 2 GHz | TCL 306 has higher clock speed than Samsung Galaxy J3 (2017) DUOS. |
| Processor Core Qty | Quad-core | 8-core | TCL 306 has higher processor core quantity than Samsung Galaxy J3 (2017) DUOS. |
| Graphics System (GPU) | - | IMG GE8320 |
| MEMORY | Samsung Galaxy J3 (2017) DUOS | TCL 306 |
|---|
| RAM | 2 GB | 3 GB | TCL 306 has more RAM than Samsung Galaxy J3 (2017) DUOS. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | TCL 306 has more internal memory than Samsung Galaxy J3 (2017) DUOS. |
| User Memory | 10.3 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 512 GB |
| CAMERA | Samsung Galaxy J3 (2017) DUOS | TCL 306 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Sensor Size | - | 1/3.06" | |
| Lens Aperture | F/1.9 | F/2.2 | Samsung Galaxy J3 (2017) DUOS has better lens aperture than Samsung Galaxy J3 (2017) DUOS. |
| Lens Construction | - | 4-element | |
| Field of View (FoV) | - | 76.7 degree(s) | |
| Pixel Size | - | 1.12 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR | HDR, Bokeh effect | |
| Camera Modes | Panorama, Pro mode, night mode | Panorama, Pro mode, Gesture Shot, Macro mode | |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 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 | F/2.2 | Both phones have the same front camera lens aperture. |
| Lens Element Qty (Front) | - | 3-element | |
| Field of View (Front) | - | 76 degree(s) | |
| Pixel Size (Front) | - | 1.12 μm | |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | HDR | 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 | Samsung Galaxy J3 (2017) DUOS | TCL 306 |
|---|
| Battery Capacity (Battery Size) | 2400 mAh | 5000 mAh | TCL 306 has larger battery capacity than Samsung Galaxy J3 (2017) DUOS. |
|---|---|---|---|
| Recharge Time (Charging Time) | - | 3.2 hour(s) | |
| Talk Time | 900 minutes | - | |
| Run Time Details | Playback (Music): up to 61 hrs Continuous browsing (3G): up to 12 hrs Playback (video): up to 14 hrs Continuous browsing (4G): up to 14 hrs Talk (3G): up to 900 min Continuous browsing (Wi-Fi): up to 14 hrs |
Mixed usage: up to 48 hrs |
| CELLULAR | Samsung Galaxy J3 (2017) DUOS | TCL 306 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 7.0 Nougat | Android 12 | |
| User Interface | - | TCL UI | |
| Navigation | GPS, GLONASS, BeiDou | A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy J3 (2017) DUOS | TCL 306 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE | 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 4, Band 5, Band 8 | Band 1, Band 2, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 17, Band 20, Band 38, Band 40 | 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 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700b, FDD 800 DD, TDD 2600, TDD 2300 | 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 4.2 | Bluetooth 5.0 | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, PBAP, MAP, DIP, HOGP | - | |
| NFC | - | Yes | TCL 306 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy J3 (2017) DUOS | TCL 306 |
|---|
| Supported Digital Audio Standards | WMA, MP3, FLAC, OGG, MP4 | AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AWB, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | VC-1, MPEG-4, H.264, H.263, MP43, VP8, VP9, H.265, WMV7 | MPEG-4, H.263, HEVC, VP8, VP9, H.265, H.264 AVC |
| FEATURES | Samsung Galaxy J3 (2017) DUOS | TCL 306 |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor | Accelerometer, proximity sensor, digital compass, light sensor | |
| Security Devices | - | Fingerprint reader | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | Dual Messenger | HD Voice, dual microphones with noise cancellation |
| OTHERS | Samsung Galaxy J3 (2017) DUOS | TCL 306 |
|---|
| Included Accessories | Power adapter | Power adapter, SIM card removal tool, USB-C cable |
|---|
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
