Compare phones
| Global Score | |
| 73.1 | 81.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 8.0 Oreo | -- |
| 2018-07-13 | 2017-04-21 |
| 6.03 x 3.00 x 0.34 inches | 5.86 x 2.68 x 0.31 inches |
| 6.38 ounces | 5.47 ounces |
| Blue | Arctic silver, Burgundy red, Coral blue, Maple gold, Midnight black, Orchid gray and Rose pink |
| -- | Aluminum and Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 107.00 | $ 173.00 |
| Display / Screen | |
| 5.5 inches | 5.8 inches |
| 1280 x 720 pixels (HD) | 2960 x 1440 pixels |
| TFT | Super AMOLED |
| 267 pixels per inch | 568 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8.9 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Qualcomm Snapdragon 835 MSM8998 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 280, 64-bit, 10 nm (Octa-Core 2350 MHz) processor |
| 2 GB RAM | 4 GB RAM |
| Mali-T830 MP1 GPU | Adreno 540 GPU |
| 8.73 | 9.27 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 9.44 | 10.78 |
| Camera | |
| 13.00 MP + 13.00 MP | 12.00 MP + 8.00 MP |
| f/1.70 aperture | f/1.70 aperture |
| 28.00mm focal length | 26.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.39 inches (1/2.55") 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 5.0, EDR |
| 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 S8 has a score of 81.7, which is much better than the Galaxy J7 Star's 73.1 overall score. Galaxy S8 is an older cellphone than the Galaxy J7 Star, but Samsung managed to make it just a little bit thinner and somewhat lighter anyway. Galaxy S8 counts with a bit more powerful CPU than Galaxy J7 Star, and although they both have the same number of cores, the Galaxy S8 also has a larger amount of RAM.
Samsung Galaxy S8 has a much more vibrant screen than Galaxy J7 Star, because it has a much better resolution of 1440 x 2960px, a little bit bigger screen and a lot better pixel amount per inch of screen. Galaxy S8 features a bigger storage capacity to install applications and games than Samsung Galaxy J7 Star, because although it has a SD memory card expansion slot that holds up to 256 GB against 400 GB, it also counts with 32 GB more internal memory.
The Galaxy S8 features just a bit better camera than Samsung Galaxy J7 Star, because although it has a camera with a worse resolution, and they both have a F1.7 camera aperture, the Galaxy S8 also counts with a lot higher (4K) video definition and a bigger back camera sensor shooting higher quality videos and photographs.
Galaxy J7 Star has just a bit better battery life than Samsung Galaxy S8, because it has a 3300mAh battery size.
The Samsung Galaxy S8 costs a lot more money than the Galaxy J7 Star, but you can get a better phone for that few extra dollars.
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