Compare phones
| Global Score | |
| 73.1 | 85.2 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 8.0 Oreo | -- |
| 2018-07-13 | 2018-11-15 |
| 6.03 x 3.00 x 0.34 inches | 6.40 x 3.03 x 0.31 inches |
| 6.38 ounces | 6.46 ounces |
| Blue | Bubblegum pink, Caviar black and Lemonade blue |
| -- | Glass and Metal |
| Scratch-Resistant Glass | -- |
| $ 107.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.3 inches |
| 1280 x 720 pixels (HD) | 2220 x 1080 pixels |
| TFT | Super AMOLED |
| 267 pixels per inch | 392 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Qualcomm Snapdragon 660 SDM660 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 2 GB RAM | 6 GB RAM |
| Mali-T830 MP1 GPU | Adreno 512 GPU |
| 8.73 | 9.27 |
| 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 | 24.00 MP + 24.00 MP |
| f/1.70 aperture | f/1.70 aperture |
| 28.00mm focal length | 27.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.36 inches (1/2.8") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 9.13 | 10.45 |
| 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, Dual SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 3800mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 5.76 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy A9 (2018) has a general score of 85.2, which is better than Galaxy J7 Star's general score of 73.1. Although Galaxy A9 (2018) and the Galaxy J7 Star were released with only a couple months difference, Galaxy A9 (2018)'s body is just a little bit heavier but also a little bit thinner. Samsung Galaxy A9 (2018) counts with a little bit better performance than Galaxy J7 Star, and although they both have 8 cpu cores, the Samsung Galaxy A9 (2018) also has more RAM memory.
Galaxy A9 (2018) counts with a more vivid screen than Galaxy J7 Star, because it has a little bit larger display, a lot higher resolution of 1080 x 2220px and a higher number of pixels per screen inch. Galaxy A9 (2018) counts with a superior storage capacity to install applications and games or saving photos and videos than Samsung Galaxy J7 Star, because it has an external memory slot that admits up to 512 GB and 96 GB more internal storage capacity.
Galaxy A9 (2018) features a little better battery life than Galaxy J7 Star, because it has 3800mAh of battery capacity. Galaxy A9 (2018) shoots much better photos and videos than Samsung Galaxy J7 Star, and although they both have the same aperture, the Galaxy A9 (2018) also has a bigger camera sensor, a way better 24 megapixels resolution camera in the back and a lot better video definition.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.