Compare phones
| Global Score | |
| 73.1 | 79.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 8.0 Oreo | -- |
| 2018-07-13 | 2016-03-11 |
| 6.03 x 3.00 x 0.34 inches | 5.61 x 2.74 x 0.31 inches |
| 6.38 ounces | 5.36 ounces |
| Blue | Black, Gold, Pink, Pink gold, Silver and White |
| -- | Aluminum and Glass (Corning Gorilla Glass 4) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 107.00 | $ 124.00 |
| Display / Screen | |
| 5.5 inches | 5.1 inches |
| 1280 x 720 pixels (HD) | 2560 x 1440 pixels (Quad HD / 2K) |
| TFT | Super AMOLED |
| 267 pixels per inch | 576 pixels per inch |
| -- | 855 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.1 | 9.6 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Qualcomm Snapdragon 820 MSM8996 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo, 64-bit, 14 nm (Quad-Core 2200 MHz) processor |
| 2 GB RAM | 4 GB RAM |
| Mali-T830 MP1 GPU | Adreno 530 GPU |
| 8.73 | 9 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | microSDXC (up to 200 GB) external memory slot |
| 9.44 | 8.56 |
| Camera | |
| 13.00 MP + 13.00 MP | 12.00 MP + 5.00 MP |
| f/1.70 aperture | f/1.70 aperture |
| 28.00mm focal length | 26.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.4 inches (1/2.5") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 9.13 | 9.79 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 3000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.28 | 4.96 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 4.2 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Galaxy S7 has an overall score of 79.5, which is a little bit better than Galaxy J7 Star's overall score of 73.1. Although Galaxy S7 is notably older than the Galaxy J7 Star, it's body is lighter and a bit thinner. Galaxy S7 counts with a bit faster processing unit than Galaxy J7 Star, because although it has a lower number of cores , it also counts with a higher amount of RAM memory.
Galaxy S7 counts with a much sharper screen than Samsung Galaxy J7 Star, because although it has a little smaller display, it also counts with a lot higher pixels amount per inch in the screen and a much higher 1440 x 2560px resolution. Galaxy S7 features a bit better camera than Samsung Galaxy J7 Star, because although it has a back-facing camera with lesser megapixels, and they both have a same size diafragm aperture, the Galaxy S7 also counts with a lot better 3840x2160 (4K) video definition and a bigger camera sensor.
The Samsung Galaxy J7 Star features a greater storage capacity for applications, games, photos and videos than Samsung Galaxy S7, and although they both have equal 32 GB internal storage capacity, the Samsung Galaxy J7 Star also has a slot for SD memory cards that supports up to 400 GB. The Galaxy J7 Star has a bit longer battery life than Samsung Galaxy S7, because it has a 10 percent bigger battery capacity.
Galaxy S7 is more expensive than the Galaxy J7 Star, but you can get a better phone for that extra dollars.
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