Compare phones
| Global Score | |
| 81.3 | 90.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android |
| 2020-04-27 | 2019-09-04 |
| 6.27 x 2.88 x 0.34 inches | 6.49 x 3.01 x 0.33 inches |
| 6.53 ounces | 7.27 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white | Black and White |
| Plastic | Glass |
| Display / Screen | |
| 6.4 inches | 6.7 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 411 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| MediaTek Helio P65 MT6768 chipset | Qualcomm Snapdragon 855 SM8150 chipset |
| Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G52 MC2 GPU | Adreno 640 GPU |
| 9.09 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.74 | 14.14 |
| Camera | |
| 48.00 MP + 20.00 MP | 48.00 MP + 32.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") 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 |
| 10.89 | 11.66 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Samsung Galaxy A90 5G has a score of 90.5, which is much better than the Samsung Galaxy A31's 81.3 general score. Samsung Galaxy A90 5G's body is heavier but a little bit thinner than the Samsung Galaxy A31, and both were released with only a couple months difference. Samsung Galaxy A90 5G has Android OS, while Samsung Galaxy A31 works with Android 10 OS.
Samsung Galaxy A90 5G and Samsung Galaxy A31 have similar displays, because although the Samsung Galaxy A90 5G has a little less pixels per inch in the screen, and they both have exactly the same 1080 x 2400 resolution, it also counts with a little bit larger screen. Galaxy A90 5G features a bit more powerful processor than Samsung Galaxy A31, and although they both have a Octa-Core CPU, the Galaxy A90 5G also has 2 GB more RAM.
The Samsung Galaxy A90 5G shoots just a bit better pictures and videos than Samsung Galaxy A31, and although they both have the same aperture, a 0.5 inches sensor and a back-facing camera with a 48 MP resolution, the Samsung Galaxy A90 5G also has a lot higher (4K) video definition. The Galaxy A90 5G has a much bigger storage for apps and games than Galaxy A31, and although they both have a slot for an SD memory card that allows up to 512 GB, the Galaxy A90 5G also has more internal memory capacity.
Galaxy A31 has a little longer battery lifetime than Samsung Galaxy A90 5G, because it has an 11 percent more battery capacity.
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