Compare phones
| Global Score | |
| 90.8 | 90.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android |
| 2020-04-29 | 2019-09-04 |
| 6.26 x 2.90 x 0.34 inches | 6.49 x 3.01 x 0.33 inches |
| 6.60 ounces | 7.27 ounces |
| Prism cube black | Black and White |
| Aluminum and Plastic | Glass |
| Scratch-Resistant Glass | -- |
| $ 339.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 405 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Samsung Exynos 980 chipset | Qualcomm Snapdragon 855 SM8150 chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Mali-G76 MP5 GPU | Adreno 640 GPU |
| 9.27 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 15.38 | 14.14 |
| Camera | |
| 48.00 MP + 32.00 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 |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.55 | 11.66 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.7 | 10.7 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 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 |
| FM Radio | -- |
Comparison review
The Galaxy A51 5G is just a bit better than the Galaxy A90 5G, having a 90.8 score against 90.5. Galaxy A51 5G works with Android 11 operating system, while Galaxy A90 5G comes with Android operating system. The Galaxy A51 5G body is a little thicker but just a little bit lighter than the Galaxy A90 5G, and both were released only 8 months apart.
Samsung Galaxy A51 5G and Galaxy A90 5G both feature quite similar displays, because although the Galaxy A90 5G has a bit inferior number of pixels per inch of display, and they both have exactly the same resolution of 1080 x 2400 pixels, it also counts with a bit larger screen. Galaxy A51 5G counts with a slightly better storage to store more apps and games than Galaxy A90 5G, and although they both have exactly the same internal storage capacity, the Galaxy A51 5G also has an external SD slot that allows up to 1000 GB.
Samsung Galaxy A90 5G has a little better processing power than Galaxy A51 5G. They have a Octa-Core processor and the same RAM memory amount. Galaxy A90 5G's battery performance is very similar to the battery lifetime in Galaxy A51 5G. The Samsung Galaxy A90 5G shoots just a bit better pictures and videos than Samsung Galaxy A51 5G. Both have the same 3840x2160 (4K) video quality, a same size camera sensor, the same aperture, the same 30 frames per second video frame rate and a back facing camera with a 48 megapixels resolution.
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