In depth comparison and review of Samsung Galaxy J7 Duo and TCL 20 5G. 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 J7 Duo | TCL 20 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J720F | T781K | |
| Form Factor | Touch | Touch | |
| Height | 153.5 mm | 166.2 mm | TCL 20 5G has greater height than Samsung Galaxy J7 Duo. |
| Width | 77.2 mm | 76.8 mm | Samsung Galaxy J7 Duo has greater width than TCL 20 5G. |
| Depth | 8.2 mm | 9.1 mm | Samsung Galaxy J7 Duo is narrower than Samsung Galaxy J7 Duo. |
| Weight | 174 g | 206 g | Samsung Galaxy J7 Duo is lighter than Samsung Galaxy J7 Duo. |
| Body Colour | Black | Mist grey | Placid blue | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.397 W/kg (body), 0.543 W/kg (head) | 1.45 W/kg (body), 1.4 W/kg (head), 3.5 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) | Micro SIM | Nano SIM | |
| SIM Card Qty | Single-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | Samsung Galaxy J7 Duo | TCL 20 5G |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | HD Super AMOLED | LCD | |
| Screen Size (Display Size) | 5.5" | 6.67" | TCL 20 5G has larger screen size than Samsung Galaxy J7 Duo. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2400 x 1080 pixels | TCL 20 5G has better screen resolution than Samsung Galaxy J7 Duo. |
| Display Format | HD | Full HD+ | |
| Pixel Density | - | 395 ppi | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 450 cd/m² | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Contrast Ratio | - | 1500:1 | |
| HDR | - | Yes | TCL 20 5G has HDR. |
| HDR Technology | - | HDR10 | |
| Display Features | - | 2.5D Glass, Dotch Display, TCL NXTVISION, Delta-E < 1 | |
| Display Protection (Screen Protector) | - | Fingerprint-resistant coating |
| PROCESSOR | Samsung Galaxy J7 Duo | TCL 20 5G |
|---|
| Processor Type (CPU) | - | Qualcomm Snapdragon 690 5G | |
|---|---|---|---|
| Clock Speed | 1.6 GHz | 2 GHz | TCL 20 5G has higher clock speed than Samsung Galaxy J7 Duo. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | - | Qualcomm ADRENO 619L |
| MEMORY | Samsung Galaxy J7 Duo | TCL 20 5G |
|---|
| RAM | 3 GB | LPDDR4X SDRAM - 6 GB | TCL 20 5G has more RAM than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 256 GB | TCL 20 5G has more internal memory than Samsung Galaxy J7 Duo. |
| User Memory | 21.9 GB | - | |
| Memory Interface | - | UFS 2.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 256 GB |
| CAMERA | Samsung Galaxy J7 Duo | TCL 20 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 48 Megapixel | TCL 20 5G has better camera resolution than Samsung Galaxy J7 Duo. |
| Sensor Size | - | 1/2" | |
| Lens Aperture | F/1.9 | F/1.8 | TCL 20 5G has better lens aperture than Samsung Galaxy J7 Duo. |
| Lens Construction | - | 6-element | |
| Field of View (FoV) | - | 79 degree(s) | |
| Pixel Size | - | 0.8 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 10x | |
| Special Effects | - | HDR, Bokeh effect | |
| Camera Modes | - | Panorama, Slow motion mode, Pro mode, portrait mode, Super Night mode, Filter mode, Light Trace Mode, Stop-Motion Video Mode, Super Macro Mode, Super Steady Mode | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Functions) | - | Phase Detect Auto-Focus (PDAF), snapshot in video recording, EIS video stabilisation, AI scene detection, AI Triple camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 8 Megapixel | TCL 20 5G has better second camera resolution than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/4" | |
| Lens Type (2nd Camera) | - | Super wide-angle lens | |
| Lens Aperture (2nd Camera) | F/1.9 | F/2.2 | Samsung Galaxy J7 Duo has better second camera lens aperture than Samsung Galaxy J7 Duo. |
| Lens Element Qty (2nd Camera) | - | 5-element | |
| Field of View (2nd Camera) | - | 118 degree(s) | |
| Pixel Size (2nd Camera) | - | 1.12 μm |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Lens Element Qty (3rd Camera) | - | 5-element | |
| Field of View (3rd Camera) | - | 83 degree(s) | |
| Pixel Size (3rd Camera) | - | 1.75 μm | |
| Camera Functions (3rd Camera) | - | Macro camera | |
| Camera Features (3rd Camera) | - | 4cm macro photography |
| 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/1.9 | F/2.0 | Samsung Galaxy J7 Duo has better front lens aperture than Samsung Galaxy J7 Duo. |
| Lens Element Qty (Front) | - | 4-element | |
| Field of View (Front) | - | 78 degree(s) | |
| Pixel Size (Front) | - | 1.12 μm | |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | - | HDR, Face Beautification | |
| Camera Modes (Front) | - | Portrait mode, Filter mode | |
| Light Source (Front) | - | Display flash | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps |
| BATTERY AND CHARGING | Samsung Galaxy J7 Duo | TCL 20 5G |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 4500 mAh | TCL 20 5G has larger battery capacity than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 4.0+ | TCL 20 5G has fast charging technology. |
| Recharge Time (Charging Time) | - | 2.5 hour(s) | |
| Talk Time | 1200 minutes | - | |
| Run Time Details | Active online usage (WCDMA): up to 11 hrs Active online usage (LTE): up to 13 hrs Active online usage (Wi-Fi): up to 13 hrs Playback (video): up to 17 hrs Playback (audio): up to 66 hrs Talk (WCDMA): up to 1200 min |
- |
| CELLULAR | Samsung Galaxy J7 Duo | TCL 20 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | TCL 20 5G has more advanced generation mobile network. |
| Operating System | Google Android | Android 10 | |
| User Interface | - | TCL UI | |
| Intelligent Assistant | Bixby | Google Assistant | |
| Navigation | GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy J7 Duo | TCL 20 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSPA+, VoLTE, VoWiFi, 5G NR FR1 | |
|---|---|---|---|
| 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 | Band 1, Band 2, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40, Band 41 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 26, Band 28, Band 32, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300, TDD 2500 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500 | |
| 5G NR Band | - | N1, n3, n5, n28, n41, n78 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 700APT, TDD TD 2500, TDD TD 3500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.1 | |
| NFC | - | Yes | TCL 20 5G has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy J7 Duo | TCL 20 5G |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | AAC, MP3, FLAC, AAC +, eAAC+, MIDI, LDAC, AMR-WB, AMR-NB, SBC, Vorbis, WAVE | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | - | |
| Sound Enhancements | - | Hi-Res audio, Qualcomm aptX audio, Qualcomm TrueWireless Stereo Plus, Qualcomm aptX HD audio, Qualcomm aptX Adaptive |
| FEATURES | Samsung Galaxy J7 Duo | TCL 20 5G |
|---|
| 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 | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor | |
| Security Devices | Face recognition, fingerprint reader | Face recognition, fingerprint reader (side) | |
| Additional Phone Features | - | HD Voice, dual microphones with noise cancellation, Face Key, Google Lens, Google Assistant Button, guaranteed upgrade to Android 11 |
| OTHERS | Samsung Galaxy J7 Duo | TCL 20 5G |
|---|
| Included Accessories | Power adapter | Power adapter, SIM card removal tool, USB-C cable, LCD sticker | |
|---|---|---|---|
| Compliant Standards | - | HAC (Hearing Aid Compatible) |
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