Compare phones
| Global Score | |
| 74.5 | 83.3 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | -- |
| 2021-01-04 | 2018-03-16 |
| 6.46 x 2.99 x 0.36 inches | 5.81 x 2.70 x 0.33 inches |
| 6.91 ounces | 5.75 ounces |
| Black, Blue and White | Burgundy red, Coral blue, Ice blue, Lilac purple, Midnight black, Sunrise gold and Titanium gray |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass 5) |
| -- | Scratch-Resistant Glass |
| $ 170.00 | $ 158.00 |
| Display / Screen | |
| 6.5 inches | 5.8 inches |
| 1600 x 720 pixels | 2960 x 1440 pixels |
| IPS LCD | Super AMOLED |
| 270 pixels per inch | 568 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8.9 |
| Performance | |
| Qualcomm Snapdragon 450 SDM450 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Adreno 506 GPU | Adreno 630 GPU |
| 8.91 | 9.54 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1 TB) external memory slot | microSDXC (up to 400 GB) external memory slot |
| 11.12 | 11.34 |
| Camera | |
| 13.00 MP + 5.00 MP | 12.00 MP + 8.00 MP |
| f/2.20 aperture | f/1.50 aperture |
| -- | 0.39 inches (1/2.55") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 8.8 | 10.23 |
| 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, Dual SIM | Nano SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 3000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 4.96 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy S9 has a global score of 83.3, which is much better than Galaxy A02s's 74.5 global score. The Galaxy S9 is an older cellphone than Galaxy A02s, but Samsung was able to make it a little thinner and lighter anyway. Galaxy S9 has a lot better looking display than Samsung Galaxy A02s, because although it has a little bit smaller display, it also counts with a lot better 1440 x 2960 resolution and a lot higher pixel amount per inch in the display.
Samsung Galaxy S9 counts with a bit faster CPU than Galaxy A02s, and although they both have 8 CPU cores, the Samsung Galaxy S9 also has a greater amount of RAM memory. Galaxy S9 has just a bit more memory to store more games and applications than Galaxy A02s, because although it has a slot for external memory cards that admits up to 400 GB against 1 TB, it also counts with 64 GB internal storage.
Galaxy S9 takes much clearer photographs and videos than Samsung Galaxy A02s, because although it has a less MP resolution back camera, it also counts with a much larger camera aperture to capture better low-light images and video and a much better (4K) video resolution. The Galaxy A02s features a very superior battery duration than Galaxy S9, because it has a 5000mAh battery capacity.
The Samsung Galaxy S9 is not only the best phones between the ones we are comparing, but it's also cheaper than the other phone.
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