Compare phones
| Global Score | |
| 73.1 | 90.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 8.0 Oreo | Android |
| 2018-07-13 | 2019-09-04 |
| 6.03 x 3.00 x 0.34 inches | 6.49 x 3.01 x 0.33 inches |
| 6.38 ounces | 7.27 ounces |
| Blue | Black and White |
| -- | Glass |
| Scratch-Resistant Glass | -- |
| $ 107.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.7 inches |
| 1280 x 720 pixels (HD) | 2400 x 1080 pixels |
| TFT | Super AMOLED |
| 267 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8.1 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Qualcomm Snapdragon 855 SM8150 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 2 GB RAM | 6 GB RAM |
| Mali-T830 MP1 GPU | Adreno 640 GPU |
| 8.73 | 9.63 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 9.44 | 14.14 |
| Camera | |
| 13.00 MP + 13.00 MP | 48.00 MP + 32.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 28.00mm focal length | 26.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.13 | 11.66 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.6 | 10.7 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 6.32 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Galaxy A90 5G has a general score of 90.5, which is much better than the Galaxy J7 Star's 73.1 score. The Galaxy A90 5G works with Android operating system, and Galaxy J7 Star counts with Android 9.0 Pie operating system. The Galaxy A90 5G design is newer and a little thinner than the Galaxy J7 Star's, although it's somewhat heavier.
The Samsung Galaxy A90 5G counts with a better looking screen than Samsung Galaxy J7 Star, because it has a higher number of pixels per inch of display, a bigger display and a much higher resolution of 1080 x 2400 pixels. The Samsung Galaxy A90 5G features a more powerful processing unit than Samsung Galaxy J7 Star, and although they both have the same number of cores, the Samsung Galaxy A90 5G also has a larger amount of RAM memory.
Galaxy A90 5G has a superior memory capacity to install games and applications than Galaxy J7 Star, because it has more internal memory and a slot for an external memory card that allows a maximum of 512 GB. Galaxy A90 5G takes a lot better photos and videos than Samsung Galaxy J7 Star, because although it has a smaller aperture, it also counts with a lot bigger sensor capturing more light and vivid colors, a much higher 3840x2160 video definition and a back-facing camera with a much better resolution.
Samsung Galaxy A90 5G features greater battery life than Samsung Galaxy J7 Star, because it has 4500mAh of battery capacity.
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