In depth comparison and review of Samsung Galaxy S7 and Samsung Galaxy J3 (2017) DUOS. 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 S7 | Samsung Galaxy J3 (2017) DUOS |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-G930F | SM-J330F | |
| Form Factor | Touch | Touch | |
| Height | 142.4 mm | 143.2 mm | Samsung Galaxy J3 (2017) DUOS has greater height than Samsung Galaxy S7. |
| Width | 69.6 mm | 70.3 mm | Samsung Galaxy J3 (2017) DUOS has greater width than Samsung Galaxy S7. |
| Depth | 7.9 mm | 8.2 mm | Samsung Galaxy S7 is narrower than Samsung Galaxy S7. |
| Weight | 152 g | 142 g | Samsung Galaxy J3 (2017) DUOS is lighter than Samsung Galaxy S7. |
| Body Colour | Titanium silver | Black onyx | White | Black | Gold | Silver | Pink/gold | Platinum gold | White pearl | Black | Blue | |
| Body Material | Metal, glass | Metal | |
| Protection | Dustproof, waterproof | - | |
| Waterproof (Water-resistant) | Yes | - | Samsung Galaxy S7 is waterproof. |
| IP rating | IP68 | - | |
| SAR Value | 1.48 W/kg (body), 0.406 W/kg (head) | 1.32 W/kg (body), 0.658 W/kg (head) | |
| Integrated Components | Heart rate sensor | - | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy S7 | Samsung Galaxy J3 (2017) DUOS |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Quad HD Super AMOLED | PLS | |
| Screen Size (Display Size) | 5.1" | 5" | Samsung Galaxy S7 has larger screen size than Samsung Galaxy J3 (2017) DUOS. |
| Screen Resolution (Display Resolution) | 2560 x 1440 pixels | 1280 x 720 pixels | Samsung Galaxy S7 has better screen resolution than Samsung Galaxy J3 (2017) DUOS. |
| Display Format | QHD | HD | |
| Pixel Density | 577 ppi | - | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Features | Always-on display | - | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | - |
| PROCESSOR | Samsung Galaxy S7 | Samsung Galaxy J3 (2017) DUOS |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 820 | - | |
|---|---|---|---|
| Processor Number | MSM8996 | - | |
| Clock Speed | 2.3 GHz | 1.4 GHz | Samsung Galaxy S7 has higher clock speed than Samsung Galaxy J3 (2017) DUOS. |
| Processor Core Qty | 8-core | Quad-core | Samsung Galaxy S7 has higher processor core quantity than Samsung Galaxy J3 (2017) DUOS. |
| 64-bit Architecture | Yes | - | Samsung Galaxy S7 has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 530 | - |
| MEMORY | Samsung Galaxy S7 | Samsung Galaxy J3 (2017) DUOS |
|---|
| RAM | 4 GB | 2 GB | Samsung Galaxy S7 has more RAM than Samsung Galaxy J3 (2017) DUOS. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 16 GB | Samsung Galaxy S7 has more internal memory than Samsung Galaxy J3 (2017) DUOS. |
| User Memory | 24.5 GB | 10.3 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Samsung Galaxy S7 | Samsung Galaxy J3 (2017) DUOS |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 13 Megapixel | Samsung Galaxy J3 (2017) DUOS has better camera resolution than Samsung Galaxy S7. |
| Lens Aperture | F/1.7 | F/1.9 | Samsung Galaxy S7 has better lens aperture than Samsung Galaxy S7. |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Samsung Galaxy S7 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | 26 mm | - | |
| Digital Zoom | 8x | - | |
| Special Effects | - | HDR | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama, Pro mode, wide selfie mode, Virtual Shot, HYPERLAPSE, Motion panorama | Panorama, Pro mode, night mode | |
| Light Source | LED light | LED light | |
| Video Resolutions | 3840 x 2160 (4K) at 30 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Selective Focus, Dual Pixel technology, Motion photo, vDIS technology, Spotlight | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 5 Megapixel | Both phones have the same front camera resolution. |
| Sensor Type (Front) | CMOS | - | |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/1.7 | F/2.2 | Samsung Galaxy S7 has better front lens aperture than Samsung Galaxy S7. |
| Special Effects (Front) | - | HDR | |
| HDR Mode (Front) | Realtime HDR mode | - | |
| Camera Modes (Front) | Slow motion video, selfie panorama | - | |
| Light Source (Front) | Display flash | - |
| BATTERY AND CHARGING | Samsung Galaxy S7 | Samsung Galaxy J3 (2017) DUOS |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 2400 mAh | Samsung Galaxy S7 has larger battery capacity than Samsung Galaxy J3 (2017) DUOS. |
|---|---|---|---|
| Wireless Charging | Yes | - | Samsung Galaxy S7 can be charged wirelessly. |
| Wireless Charging Standards | WPC, PMA | - | |
| Standby Time | 288 hours | - | |
| Talk Time | 1320 minutes | 900 minutes | Samsung Galaxy S7 has longer battery life when making calls than Samsung Galaxy J3 (2017) DUOS. |
| Run Time Details | Talk (WCDMA): up to 1320 min Active online usage (WCDMA): up to 11 hrs Active online usage (LTE): up to 13 hrs Active online usage (Wi-Fi): up to 15 hrs Playback (video): up to 15 hrs Playback (audio): up to 45 hrs Playback (audio (Always On Display Off)): up to 62 hrs |
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 |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | Samsung Galaxy S7 | Samsung Galaxy J3 (2017) DUOS |
|---|
| Technology | TD-SCDMA / WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Google Android | Android 7.0 Nougat | |
| User Interface | Samsung TouchWiz | - | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Samsung Galaxy S7 | Samsung Galaxy J3 (2017) DUOS |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 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 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 17, Band 20, Band 38, Band 40 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | 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 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 4.2 | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, PBAP, MAP, DIP, HOGP | |
| NFC | Yes | - | Samsung Galaxy S7 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy S7 | Samsung Galaxy J3 (2017) DUOS |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, Ogg Vorbis, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA | WMA, MP3, FLAC, OGG, MP4 | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, H.264, H.263, M4V, WebM, 3G2, H.265 | VC-1, MPEG-4, H.264, H.263, MP43, VP8, VP9, H.265, WMV7 |
| FEATURES | Samsung Galaxy S7 | Samsung Galaxy J3 (2017) DUOS |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, call timer, conference call, flight mode, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, heart rate, geomagnetic sensor | Accelerometer, proximity sensor | |
| Security Devices | Fingerprint reader | - | |
| Additional Phone Features | Multitasking, Easy Mode, MIMO technology, Private Mode, Ultra Power Saving Mode, Screen mirroring, Alarm Clock, S-Voice | Dual Messenger |
| OTHERS | Samsung Galaxy S7 | Samsung Galaxy J3 (2017) DUOS |
|---|
| Included Accessories | Power adapter | Power adapter | |
|---|---|---|---|
| Compliant Standards | IP68, HAC (Hearing Aid Compatible) | - | |
| Max Depth of Water Resistance | 1.5 m | - |
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