Compare phones
| Global Score | |
| 77.4 | 98.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 14 | Android 11 |
| 2023-12-16 | 2021-01-29 |
| 6.30 x 3.02 x 0.33 inches | 6.50 x 2.98 x 0.35 inches |
| 7.05 ounces | 8.04 ounces |
| Blue Black and Light Blue | Phantom black and Silver |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass Victus) |
| -- | Scratch-Resistant Glass |
| $ 200.00 | $ 966.00 |
| Display / Screen | |
| 6.5 inches | 6.8 inches |
| 2340 x 1080 pixels | 3200 x 1440 pixels |
| Super AMOLED | Dynamic AMOLED |
| 396 pixels per inch | 516 pixels per inch |
| 800 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.6 | 9.8 |
| Performance | |
| Mediatek Dimensity 6100+ (6 nm) chipset | Qualcomm Snapdragon 888 chipset |
| processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 12 GB RAM |
| Mali-G57 MC2 GPU | Adreno 660 GPU |
| 6.03 | 9.72 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | No SD card slot |
| 15.38 | 10.1 |
| Camera | |
| 50.00 MP + 13.00 MP | 108.00 MP + 40.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 24.00mm focal length |
| -- | 0.75 inches (1/1.33") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.45 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G) and LTE (4G) | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 9.6 | 10.7 |
| Battery Life | |
| 5000mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.3 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy S21 Ultra is way better than the Galaxy A15 5G, having a overall score of 98.1 against 77.4. Despite being the best phone in this review, it must be noted that it's also way older, just a bit thicker and heavier. Both phones in this comparison have Android OS (operating system), but the Samsung Galaxy S21 Ultra has the previous 11 version and Galaxy A15 5G has Android 14.
Samsung Galaxy S21 Ultra counts with a much more powerful CPU than Galaxy A15 5G, and although they both have the same number of cores, the Samsung Galaxy S21 Ultra also has a higher amount of RAM. Galaxy S21 Ultra features a brighter display than Samsung Galaxy A15 5G, because it has more pixels per display inch, a higher resolution of 1440 x 3200, a bit larger screen and a much brighter display.
Samsung Galaxy S21 Ultra has a very superior camera than Galaxy A15 5G, and although they both have a same size aperture, the Samsung Galaxy S21 Ultra also has a way more mega pixels camera and a lot better video definition. Galaxy A15 5G has a lot bigger memory capacity for applications, games, photos and videos than Samsung Galaxy S21 Ultra, and although they both have equal internal storage capacity, the Galaxy A15 5G also has a slot for external memory cards that admits up to 1000 GB.
Galaxy S21 Ultra has a battery performance that's just as good as the Galaxy A15 5G one.
Although Galaxy S21 Ultra is a better device, it costs a lot more money than Samsung Galaxy A15 5G, and it doesn't have such a good relation between it's price and quality as the Samsung Galaxy A15 5G. If you want to save a few dollars, you can get Samsung Galaxy A15 5G, giving up a couple features, but you will get the most out of your money.
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