Samsung Galaxy J1 2016 vs Samsung Galaxy J7 2017
| Type | Touch | Touch |
| Dimensions | 132.60 x 69.30 x 8.90 mm | 152.40 x 74.70 x 7.80 mm |
| Weight | 131.00 g | 181.00 g |
| Display size | 4.50" | 5.50" |
| Display | Color / Super AMOLED 16M colors 480 x 800 px (4.50") 207 ppi | Color / Super AMOLED 16M colors 1080 x 1920 px (5.50") 401 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
| |
| Additional display | ||
| Protection of the secondary display | ||
| Talk time (max.) | 3G: 720 min. (12.0 h) | |
| Playback time (max.) | Audio: 39 h (1.6 days) Video: 14 h (0.6 days) | nd |
| Internet browsing time (max.) | WiFi: 11 h (0.5 days) 3G: 9 h (0.4 days) 4G: 10 h (0.4 days) | nd |
| Standard battery | Li-Ion 2050 mAhBuy powerbank
| Li-Ion 3600 mAhBuy powerbank
|
| Quick battery charging | ||
| Wireless battery charging | ||
| Internal memory | 8 GB | 16 GB, 32 GB |
| End-user memory | 4.1 GB | |
| RAM memory | 1 GB | 3 GB |
| Memory cards | microSD, microSDHC, microSDXC up to 128 GBBuy memory card | microSD, microSDHC, microSDXC up to 256 GBBuy memory card |
| Operating system | Android 5.1.1 Lollipop | Android 7.0 Nougat |
| Processor | Samsung Exynos 3475 | Samsung Exynos 7870 |
| Processor clock | 1300 MHz | 1600 MHz |
| GPU | ARM Mali-T720 @600 MHz | ARM Mali-T830 MP1 @700 MHz |
| Touchscreen | ||
| SAR (10g) | 0,705 W/kg | |
| DualSIM | ||
| SIM cards standard | DualSIM(microSIM, microSIM) | SingleSIM(nanoSIM) |
| DualSIM mode | dual standby | nd |
| Hybrid DualSIM | nd | |
| Announced | 3Q 2017 | |
| Other names | SM-J120F/DS; Galaxy J1 6 Duos LTE; Galaxy J1 4G | SM-J730F |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1900 2100 | 850 900 1900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1800, 900, 850, 800 | FDD LTE: 2600, 2100, 1800, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300 |
| CDMA | ||
| Standard TD-SCDMA | ||
| UMA |

