Detailed comparison and review of Samsung Galaxy J7 Duo and Samsung Galaxy S10 (Unlocked). With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Samsung Galaxy J7 Duo | Samsung Galaxy S10 (Unlocked) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J720F | SM-G973U1 | |
| Form Factor | Touch | Touch | |
| Height | 153.5 mm | 149.9 mm | Samsung Galaxy J7 Duo has greater height than Samsung Galaxy S10 (Unlocked). |
| Width | 77.2 mm | 70.4 mm | Samsung Galaxy J7 Duo has greater width than Samsung Galaxy S10 (Unlocked). |
| Depth | 8.2 mm | 7.8 mm | Samsung Galaxy S10 (Unlocked) is narrower than Samsung Galaxy J7 Duo. |
| Weight | 174 g | 157 g | Samsung Galaxy S10 (Unlocked) is lighter than Samsung Galaxy J7 Duo. |
| Body Colour | Black | Prism black | Prism blue | |
| Body Material | - | Gorilla glass 5 | |
| Protection | - | Dustproof, splashproof, waterproof | |
| Waterproof (Water-resistant) | - | Yes | Samsung Galaxy S10 (Unlocked) is waterproof. |
| IP rating | - | IP68 | |
| SAR Value | 1.397 W/kg (body), 0.543 W/kg (head) | 1.59 W/kg (simultaneous), 1.35 W/kg (wireless router), 1.37 W/kg (body), 1.05 W/kg (head) | |
| Integrated Components | - | Heart rate sensor | |
| 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 | Single-SIM |
| DISPLAY | Samsung Galaxy J7 Duo | Samsung Galaxy S10 (Unlocked) |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | HD Super AMOLED | Infinity-O Dynamic AMOLED | |
| Screen Size (Display Size) | 5.5" | 6.1" | Samsung Galaxy S10 (Unlocked) has larger screen size than Samsung Galaxy J7 Duo. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 3040 x 1440 pixels | Samsung Galaxy S10 (Unlocked) has better screen resolution than Samsung Galaxy J7 Duo. |
| Display Format | HD | QHD+ | |
| Pixel Density | - | 550 ppi | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| HDR | - | Yes | Samsung Galaxy S10 (Unlocked) has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Features | - | Always-on display, Edge Screen | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 6 (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy J7 Duo | Samsung Galaxy S10 (Unlocked) |
|---|
| Processor Type (CPU) | - | Qualcomm Snapdragon 855 | |
|---|---|---|---|
| Clock Speed | 1.6 GHz | 2.8 GHz | Samsung Galaxy S10 (Unlocked) 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. |
| 64-bit Architecture | - | Yes | Samsung Galaxy S10 (Unlocked) has 64-bit architecture. |
| Graphics System (GPU) | - | Qualcomm ADRENO 640 |
| MEMORY | Samsung Galaxy J7 Duo | Samsung Galaxy S10 (Unlocked) |
|---|
| RAM | 3 GB | LPDDR4X SDRAM - 8 GB | Samsung Galaxy S10 (Unlocked) has more RAM than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | Samsung Galaxy S10 (Unlocked) has more internal memory than Samsung Galaxy J7 Duo. |
| User Memory | 21.9 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 512 GB |
| CAMERA | Samsung Galaxy J7 Duo | Samsung Galaxy S10 (Unlocked) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 12 Megapixel | Samsung Galaxy J7 Duo has better camera resolution than Samsung Galaxy S10 (Unlocked). |
| Lens Type | - | Telephoto lens | |
| Lens Aperture | F/1.9 | F/2.4 | Samsung Galaxy J7 Duo has better lens aperture than Samsung Galaxy J7 Duo. |
| Field of View (FoV) | - | 45 degree(s) | |
| Pixel Size | - | 1 μm | |
| Optical Image Stabiliser (OIS) | - | Dual OIS (Optical Image Stabilisation) | Samsung Galaxy S10 (Unlocked) has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic, manual | |
| Optical Zoom | - | 2x | |
| Digital Zoom | - | 10x | |
| Special Effects | - | HDR, Grid Line | |
| Camera Modes | - | Panorama, Slow motion mode, Pro mode, Timer mode, HYPERLAPSE, Super Slow-mo, AR Emoji, Flowers, Greenery, Trees, Sky, Mountains, Beaches, Watersides, Snow, Backlit, Text, Motion Photos, Food, Live focus with bokeh effect, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view | |
| Face Recognition (Face ID) | - | Face detection | Samsung Galaxy S10 (Unlocked) has face detection. |
| Light Source | LED flash | High CRI LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps | |
| Camera Features (Functions) | - | Quick Launch, Playback zoom, Phase Detect Auto-Focus (PDAF), blink detection, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, location tags, Hyperlapse video support 1080p, Scene Optimiser, Full view, Flaw detection, 9.1MP still photos recording 4K video, Shot suggestions, blur detection, HDR10+ recording, Floating shutter button, Super steady |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 12 Megapixel | Samsung Galaxy S10 (Unlocked) has better second camera resolution than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Wide-angle lens | |
| Lens Aperture (2nd Camera) | F/1.9 | F/1.5 & f/2.4 | Samsung Galaxy S10 (Unlocked) has better second camera lens aperture than Samsung Galaxy J7 Duo. |
| Camera Features (2nd Camera) | - | Dual Pixel AF, OIS (Optical Image Stabilisation) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 16 Megapixel | |
|---|---|---|---|
| Lens Type (3rd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (3rd Camera) | - | F/2.2 | |
| Field of View (3rd Camera) | - | 123 degree(s) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 10 Megapixel | Samsung Galaxy S10 (Unlocked) has better front camera resolution than Samsung Galaxy J7 Duo. |
| Lens Type (Front) | - | Wide-angle lens | |
| Lens Aperture (Front) | F/1.9 | F/1.9 | Both phones have the same front camera lens aperture. |
| Field of View (Front) | - | 80 degree(s) | |
| Pixel Size (Front) | - | 1.22 μm | |
| Focus Adjustment | - | Automatic | |
| Camera Modes (Front) | - | Live Focus mode | |
| Camera Features (Front) | - | Dual Pixel AF |
| BATTERY AND CHARGING | Samsung Galaxy J7 Duo | Samsung Galaxy S10 (Unlocked) |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 3400 mAh | Samsung Galaxy S10 (Unlocked) has larger battery capacity than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 2.0, Adaptive Fast Charging | Samsung Galaxy S10 (Unlocked) has fast charging technology. |
| Wireless Charging | - | Yes | Samsung Galaxy S10 (Unlocked) can be charged wirelessly. |
| Wireless Charging Standards | - | WPC, PMA, Qi, Fast Wireless Charging 2.0, Wireless PowerShare | |
| Talk Time | 1200 minutes | 2040 minutes | Samsung Galaxy S10 (Unlocked) has longer battery life when making calls than Samsung Galaxy J7 Duo. |
| 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 |
Talk (CDMA): up to 2040 min Talk (WCDMA): up to 2040 min Active online usage (3G): up to 12 hrs Active online usage (LTE): up to 14 hrs Active online usage (Wi-Fi): up to 14 hrs Playback (video): up to 20 hrs Playback (audio): up to 103 hrs |
| CELLULAR | Samsung Galaxy J7 Duo | Samsung Galaxy S10 (Unlocked) |
|---|
| Technology | WCDMA (UMTS) / GSM | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Google Android | Android 9.0 Pie | |
| User Interface | - | One UI | |
| Intelligent Assistant | Bixby | Bixby | |
| Payment Technology | - | Samsung Pay | |
| Navigation | GPS, GLONASS, BeiDou | GPS, GLONASS, Galileo |
| COMMUNICATIONS | Samsung Galaxy J7 Duo | Samsung Galaxy S10 (Unlocked) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE, VoWiFi, LAA | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X | |
| 3G UMTS Band | Band 1, Band 2, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 1700, 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 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 14, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 30, Band 38, Band 39, Band 40, Band 41, Band 66, Band 71 | |
| 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 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700 PS, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 2300 WCS, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3, FDD 600 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | IEEE 802.11a/b/g/n/ac, ANT+/ANT, IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 LE | |
| NFC | - | Yes | Samsung Galaxy S10 (Unlocked) has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy J7 Duo | Samsung Galaxy S10 (Unlocked) |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, DSD, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128 | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | |
| Sound Enhancements | - | Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound, Qualcomm TrueWireless, Qualcomm Broadcast Audio, Qualcomm Aqstic audio, Qualcomm aptX audio |
| FEATURES | Samsung Galaxy J7 Duo | Samsung Galaxy S10 (Unlocked) |
|---|
| 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, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, pressure sensor, geomagnetic sensor | |
| Security Devices | Face recognition, fingerprint reader | Fingerprint reader (under display), face recognition | |
| Additional Phone Features | - | Smart Select, MU-MIMO technology, Samsung KNOX, High AOP Mic, Smart View, Live message, Bixby Vision, Secure Folder function, Dual Audio, Bixby Routines, Intelligent Performance Enhancer |
| OTHERS | Samsung Galaxy J7 Duo | Samsung Galaxy S10 (Unlocked) |
|---|
| Included Accessories | Power adapter | Power adapter, SIM card removal tool, USB connector, USB-C cable, headset (tuned by AKG) | |
|---|---|---|---|
| Compliant Standards | - | VDE, IP68, TUV Rheinland Eye Comfort Certification |
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