Side by side comparison and review of Samsung Galaxy J2 and Samsung Galaxy J7 (2017) DUOS. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Samsung Galaxy J2 | Samsung Galaxy J7 (2017) DUOS |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J200F | SM-J730F/DS | |
| Form Factor | Touch | Touch | |
| Height | 136.5 mm | 152.5 mm | Samsung Galaxy J7 (2017) DUOS has greater height than Samsung Galaxy J2. |
| Width | 69 mm | 74.8 mm | Samsung Galaxy J7 (2017) DUOS has greater width than Samsung Galaxy J2. |
| Depth | 8.4 mm | 8 mm | Samsung Galaxy J7 (2017) DUOS is narrower than Samsung Galaxy J2. |
| Weight | 130 g | 181 g | Samsung Galaxy J2 is lighter than Samsung Galaxy J2. |
| Body Colour | Black | White | Black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.453 W/kg (body), 0.572 W/kg (head) | 1.33 W/kg (body), 0.567 W/kg (head) | |
| 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) | Micro SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy J2 | Samsung Galaxy J7 (2017) DUOS |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Super AMOLED | Full HD Super AMOLED | |
| Screen Size (Display Size) | 4.7" | 5.5" | Samsung Galaxy J7 (2017) DUOS has larger screen size than Samsung Galaxy J2. |
| Screen Resolution (Display Resolution) | 960 x 540 pixels | 1920 x 1080 pixels | Samsung Galaxy J7 (2017) DUOS has better screen resolution than Samsung Galaxy J2. |
| Display Format | - | Full HD | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Features | - | Always-on display |
| PROCESSOR | Samsung Galaxy J2 | Samsung Galaxy J7 (2017) DUOS |
|---|
| Clock Speed | 1.3 GHz | 1.6 GHz | Samsung Galaxy J7 (2017) DUOS has higher clock speed than Samsung Galaxy J2. |
|---|---|---|---|
| Processor Core Qty | Quad-core | 8-core | Samsung Galaxy J7 (2017) DUOS has higher processor core quantity than Samsung Galaxy J2. |
| MEMORY | Samsung Galaxy J2 | Samsung Galaxy J7 (2017) DUOS |
|---|
| RAM | 1 GB | 3 GB | Samsung Galaxy J7 (2017) DUOS has more RAM than Samsung Galaxy J2. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 8 GB | 16 GB | Samsung Galaxy J7 (2017) DUOS has more internal memory than Samsung Galaxy J2. |
| User Memory | 4.3 GB | 10 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Samsung Galaxy J2 | Samsung Galaxy J7 (2017) DUOS |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 5 Megapixel | 13 Megapixel | Samsung Galaxy J7 (2017) DUOS has better camera resolution than Samsung Galaxy J2. |
| Sensor Type | CMOS | - | |
| Lens Aperture | - | F/1.7 | |
| Focus Adjustment | Automatic | Automatic | |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1280 x 720 (720p) | 1920 x 1080 (1080p) at 30 fps |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 2 Megapixel | 13 Megapixel | Samsung Galaxy J7 (2017) DUOS has better front camera resolution than Samsung Galaxy J2. |
| Sensor Type (Front) | CMOS | - | |
| Lens Aperture (Front) | - | F/1.9 |
| BATTERY AND CHARGING | Samsung Galaxy J2 | Samsung Galaxy J7 (2017) DUOS |
|---|
| Battery Capacity (Battery Size) | 2000 mAh | 3600 mAh | Samsung Galaxy J7 (2017) DUOS has larger battery capacity than Samsung Galaxy J2. |
|---|---|---|---|
| Talk Time | 720 minutes | 1440 minutes | Samsung Galaxy J7 (2017) DUOS has longer battery life when making calls than Samsung Galaxy J2. |
| Run Time Details | Talk (WCDMA): up to 720 min Active online usage (WCDMA): up to 9 hrs Active online usage (LTE): up to 9 hrs Active online usage (Wi-Fi): up to 11 hrs Playback (audio): up to 41 hrs Playback (video): up to 14 hrs |
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 |
| CELLULAR | Samsung Galaxy J2 | Samsung Galaxy J7 (2017) DUOS |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Google Android | Google Android | |
| Navigation | GPS, GLONASS | GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Samsung Galaxy J2 | Samsung Galaxy J7 (2017) DUOS |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 40 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2300 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac, ANT+/ANT | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 4.1 | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, DIP, HOGP | 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 | SMS, MMS |
| MEDIA | Samsung Galaxy J2 | Samsung Galaxy J7 (2017) DUOS |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| 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 |
| FEATURES | Samsung Galaxy J2 | Samsung Galaxy J7 (2017) DUOS |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, call timer, conference call, flight mode, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor | Accelerometer, proximity sensor, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | |
| Security Devices | - | Fingerprint reader |
| OTHERS | Samsung Galaxy J2 | Samsung Galaxy J7 (2017) DUOS |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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