In depth comparison and review of Samsung Galaxy J7 (2017) DUOS and Microsoft Surface Duo. 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 (2017) DUOS | Microsoft Surface Duo |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J730F/DS | - | |
| Form Factor | Touch | Folder - dual screen | |
| Height | 152.5 mm | 145.2 mm | Samsung Galaxy J7 (2017) DUOS has greater height than Microsoft Surface Duo. |
| Width | 74.8 mm | 93.3 mm | Microsoft Surface Duo has greater width than Samsung Galaxy J7 (2017) DUOS. |
| Depth | 8 mm | 9.9 mm | Samsung Galaxy J7 (2017) DUOS is narrower than Samsung Galaxy J7 (2017) DUOS. |
| Weight | 181 g | 250 g | Samsung Galaxy J7 (2017) DUOS is lighter than Samsung Galaxy J7 (2017) DUOS. |
| Dimensions Details | - | Unfolded - 186.9 mm x 4.8 mm x 145.2 mm | |
| Body Colour | Black | Glacier | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.33 W/kg (body), 0.567 W/kg (head) | 0.726 W/kg (head), 1.478 W/kg (body) | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy J7 (2017) DUOS | Microsoft Surface Duo |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Full HD Super AMOLED | AMOLED | |
| Foldable Display | - | Yes | |
| Display Design | - | Both directions folding | |
| Screen Size (Display Size) | 5.5" | 5.6" | Microsoft Surface Duo has larger screen size than Samsung Galaxy J7 (2017) DUOS. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1800 x 1350 pixels | Microsoft Surface Duo has better screen resolution than Samsung Galaxy J7 (2017) DUOS. |
| Display Format | Full HD | - | |
| Pixel Density | - | 401 ppi | |
| Aspect Ratio | - | 4:3 | |
| Colour Depth | 16.7 million colours | - | |
| Display Features | Always-on display | PixelSense Fusion Displays | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass (scratch resistant glass) |
| SECOND DISPLAY |
|---|
| Second Display Type | - | OLED display - colour | |
|---|---|---|---|
| Second Display Screen Size | - | 5.6" | |
| Second Display Resolution | - | 1800 x 1350 pixels |
| UNFOLDED DISPLAY |
|---|
| Unfolded Display Screen Size | - | 8.1 in | |
|---|---|---|---|
| Unfolded Display Resolution | - | 2700 x 1800 pixels |
| PROCESSOR | Samsung Galaxy J7 (2017) DUOS | Microsoft Surface Duo |
|---|
| Processor Type (CPU) | - | Qualcomm Snapdragon 855 | |
|---|---|---|---|
| Clock Speed | 1.6 GHz | - | |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| MEMORY | Samsung Galaxy J7 (2017) DUOS | Microsoft Surface Duo |
|---|
| RAM | 3 GB | 6 GB | Microsoft Surface Duo has more RAM than Samsung Galaxy J7 (2017) DUOS. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 128 GB | Microsoft Surface Duo has more internal memory than Samsung Galaxy J7 (2017) DUOS. |
| User Memory | 10 GB | - | |
| Memory Interface | - | UFS 3.0 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | - |
| CAMERA | Samsung Galaxy J7 (2017) DUOS | Microsoft Surface Duo |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 0 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | - | |
| Lens Aperture | F/1.7 | - | |
| Focus Adjustment | Automatic | - | |
| Light Source | LED flash | - | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 13 Megapixel | 11 Megapixel | Samsung Galaxy J7 (2017) DUOS has better front camera resolution than Microsoft Surface Duo. |
| Lens Aperture (Front) | F/1.9 | F/2.0 | Samsung Galaxy J7 (2017) DUOS has better front lens aperture than Samsung Galaxy J7 (2017) DUOS. |
| Field of View (Front) | - | 84 degree(s) | |
| Pixel Size (Front) | - | 1 μm | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | Burst mode, Panorama, low-light shots, Portrait mode with adjustable depth control | |
| Light Source (Front) | - | High CRI LED flash | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps | |
| Camera Features (Front) | - | Phase Detect Auto-Focus (PDAF), FOV optimised with AI (for front and rear), dynamic range scene detection, Super-resolution zoom, super zoom up to 7x, gyro-based digital video stabilisation |
| BATTERY AND CHARGING | Samsung Galaxy J7 (2017) DUOS | Microsoft Surface Duo |
|---|
| Battery Capacity (Battery Size) | 3600 mAh | 3577 mAh | Samsung Galaxy J7 (2017) DUOS has larger battery capacity than Microsoft Surface Duo. |
|---|---|---|---|
| Standby Time | - | 240 hours | |
| Talk Time | 1440 minutes | 1620 minutes | Microsoft Surface Duo has longer battery life when making calls than Samsung Galaxy J7 (2017) DUOS. |
| Run Time Details | Active online usage (WCDMA): up to 12 hrs Active online usage (LTE): up to 15 hrs Active online usage (Wi-Fi): up to 16 hrs Playback (video): up to 18 hrs Playback (audio): up to 59 hrs Playback (audio (Always On Display Off)): up to 91 hrs Talk (WCDMA): up to 1440 min |
Standby: up to 240 hrs Talk: up to 1620 min Playback (local video): up to 15.5 hrs |
| CELLULAR | Samsung Galaxy J7 (2017) DUOS | Microsoft Surface Duo |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Google Android | Android 10 | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Samsung Galaxy J7 (2017) DUOS | Microsoft Surface Duo |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, FDD-LTE, TDD-LTE, LAA | |
|---|---|---|---|
| 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 40 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 14, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 30, Band 38, Band 39, Band 40, Band 41, Band 46, Band 66 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2300 | 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 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 2300 WCS, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 5150, FDD 1700 - 2110 AWS-3 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | IEEE 802.11ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, PBAP, MAP, HOGP | - | |
| NFC | Yes | - | Samsung Galaxy J7 (2017) DUOS has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy J7 (2017) DUOS | Microsoft Surface Duo |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | WAV, AAC, AMR, MP3, FLAC, OGG, MIDI, M4A, apt-X, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 | |
| Sound Enhancements | - | Qualcomm aptX audio |
| FEATURES | Samsung Galaxy J7 (2017) DUOS | Microsoft Surface Duo |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | Proximity sensor, hall sensor, dual accelerometers, dual gyroscope, dual magnetometer, dual ambient light sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader (side) | |
| Additional Phone Features | - | MIMO technology, Fast Charging, dual microphones with noise suppression and echo cancellation, Full Duplex communication, 360° hinge, stylus support, two apps side-by-side |
| OTHERS | Samsung Galaxy J7 (2017) DUOS | Microsoft Surface Duo |
|---|
| Included Accessories | Power adapter | SIM card removal tool, USB-C headphones, 18W charger, Surface Duo Bumper (Glacier) |
|---|
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