Side-by-side technical data
Samsung Galaxy J7 Duo vs Samsung Galaxy J7 (2017)
Comparison between Samsung Galaxy J7 Duo and Samsung Galaxy J7 (2017): camera, battery, fast charging, display, performance and colors, side by side. More phones from Samsung.
The verdict
Your pick: Samsung Galaxy J7 (2017), ahead on Connectivity and Battery & charging. Unless Performance & hardware decides it for you.
| Category | Galaxy J7 Duo | Galaxy J7 (2017) |
|---|---|---|
| Design & display | 6.8 | 6.7 |
| Performance & hardware | 2.8 | 2.1 |
| Camera | 3.9 | 3.7 |
| Connectivity | 4.1 | 4.4 |
| Battery & charging | 2.2 | 3.1 |
Which one is for you?
Samsung Galaxy J7 Duo, if you care about…
- RAM Capacity
- 4 GB
- against 3 GB
- Bluetooth Version
- Bluetooth 4.2
- against Bluetooth 4.1
- Weight
- 174 g
- against 181 g
- OS Version
- 8
- against 7
Samsung Galaxy J7 (2017), if you care about…
- Battery Capacity
- 3,600 mAh
- against 3,000 mAh
- Maximum Storage Capacity
- 64 GB
- against 32 GB
- Display Pixel Density
- 401 ppi
- against 267 ppi
- Usable Surface
- 73.1 %
- against 70.4 %
Specification comparison
Performance
| Specification | Galaxy J7 Duo | Galaxy J7 (2017) |
|---|---|---|
| Processor Model | Samsung Exynos 7885 | Samsung Exynos 7870 |
| Processor Process Size | 14 nm | 14 nm |
| Graphics GPU | Mali-G71 | Mali-T820 MP1 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 2.2 GHz Best value | 1.6 GHz |
| Maximum Storage Capacity | 32 GB | 64 GB Best value |
| AnTuTu Score | — | 46,000 |
| Geekbench 6 Single-Core | — | 172 |
| Geekbench 6 Multi-Core | — | 492 |
| CPU Description | Octa-core (2x2.2 GHz Cortex-A73 and 6x1.6 GHz Cortex-A53) | Octa-core 1.6 GHz Cortex-A53 |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | — | Yes |
| RAM Capacity | 4 GB Best value | 3 GB |
| RAM Type | — | DDR3 |
| Expandable Storage | Yes | Yes |
| Maximum memory card | — | 256 GB |
Design
| Specification | Galaxy J7 Duo | Galaxy J7 (2017) |
|---|---|---|
| Body Colors | Black, Gold, Rose Gold, White, Blue | Black, Blue, Gold, Rose Gold |
| Body Thickness | 8.2 mm | 8 mm Best value |
| Body Width | 77.2 mm | 74.8 mm |
| Body Height | 153.5 mm | 152.5 mm |
| Weight | 174 g Best value | 181 g |
| Usable Surface | 70.4 % | 73.1 % Best value |
| Body Materials | — | Glass, Aluminium Alloy |
| Unfolded thickness | — | 8 mm |
Battery
| Specification | Galaxy J7 Duo | Galaxy J7 (2017) |
|---|---|---|
| Battery Capacity | 3,000 mAh | 3,600 mAh Best value |
| Battery Type | Li-Ion | Li-Ion |
| Battery Features | — | Battery Level Indicator, Rechargeable |
| Talk time | — | 24 h |
| Music playback time | — | 91 h |
Display
| Specification | Galaxy J7 Duo | Galaxy J7 (2017) |
|---|---|---|
| Display Aspect Ratio | 16:9 | 16:9 |
| Display Technology | Super AMOLED | Super AMOLED |
| Display Diagonal | 5.5″ | 5.5″ |
| Display Horizontal Resolution | 720 px | 1,080 px Best value |
| Display Vertical Resolution | 1,280 px | 1,920 px Best value |
| Display Pixel Density | 267 ppi | 401 ppi Best value |
| Display Features | — | Always-On Display, Touchscreen |
Sensors
| Specification | Galaxy J7 Duo | Galaxy J7 (2017) |
|---|---|---|
| Fingerprint Sensor Placement | Front | Front |
Sensor
| Specification | Galaxy J7 Duo | Galaxy J7 (2017) |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Proximity Sensor | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass |
Software
| Specification | Galaxy J7 Duo | Galaxy J7 (2017) |
|---|---|---|
| Operating System | Android 8 | Android 7 |
| OS Family | Android | Android |
| OS Version | 8 Best value | 7 |
Connectivity
| Specification | Galaxy J7 Duo | Galaxy J7 (2017) |
|---|---|---|
| SIM Configurations | Single Micro-SIM, Dual Micro-SIM, Dual SIM Dual Standby | Dual Nano-SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, 4G LTE B38, 4G LTE B40, 4G LTE B41 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, LTE B28, 4G LTE B40 |
| Cellular Technologies | GSM, HSPA, LTE | GSM, HSPA, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n/ac | Wi-Fi 802.11a/b/g/n/ac |
| Wi-Fi Features | Dual Band, Wi-Fi Direct | Dual Band, Wi-Fi Direct |
| Bluetooth Version | Bluetooth 4.2 Best value | Bluetooth 4.1 |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou |
| Connectivity Features | 3.5 mm Audio Jack, ANT+, FM Radio, microUSB | 3.5 mm Audio Jack, ANT+, NFC, FM Radio, microUSB, USB OTG |
| USB Version | microUSB | USB 2.0 |
| SAR (EU) head | 0.54 W/kg Best value | 0.57 W/kg |
| SAR (EU) body | 1.4 W/kg | 1.33 W/kg Best value |
| Max. download speed | — | 300 Mbps |
| Max. upload speed | — | 50 Mbps |
Audio
| Specification | Galaxy J7 Duo | Galaxy J7 (2017) |
|---|---|---|
| Microphone Count | — | 1 |
| Audio Features | A2DP, LE, Loudspeaker | A2DP, LE, Loudspeaker |
Technical
| Specification | Galaxy J7 Duo | Galaxy J7 (2017) |
|---|---|---|
| Model numbers | SM-J720F, SM-J720F/DS, SM-J720M, SM-J720M/DS | SM-J730F, SM-J730FM, SM-S727VL, SM-J730K |
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