Compare phones
| Global Score | |
| 79.9 | 98.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 14 | Android 11 |
| 2023-12-11 | 2021-01-29 |
| 6.34 x 3.01 x 0.33 inches | 6.50 x 2.98 x 0.35 inches |
| 6.95 ounces | 8.04 ounces |
| Brave Black, Fantasy Blue, Optimistic Blue and Personality Yellow | Phantom black and Silver |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass Victus) |
| -- | Scratch-Resistant Glass |
| -- | $ 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 |
| 1000 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.8 | 9.8 |
| Performance | |
| Exynos 1280 (5 nm) chipset | Qualcomm Snapdragon 888 chipset |
| processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 12 GB RAM |
| Mali-G68 GPU | Adreno 660 GPU |
| 6.12 | 9.72 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1 TB) external memory slot | No SD card slot |
| 15.42 | 10.1 |
| Camera | |
| 50.00 MP + 13.00 MP | 108.00 MP + 40.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 27.00mm focal length | 24.00mm focal length |
| 0.36 inches (1/2.76") sensor | 0.75 inches (1/1.33") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.11 | 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
The Galaxy S21 Ultra is way better than Samsung Galaxy A25 5G, with a 98.1 score against 79.9. These devices use Android operating system, but the Galaxy S21 Ultra has 11 version while Samsung Galaxy A25 5G has Android 14 version. Although it's the best in this review, it must be told that it is also notably older, just a little bit thicker and heavier.
The Samsung Galaxy S21 Ultra has a really superior processing power than Galaxy A25 5G, and although they both have a Octa-Core CPU, the Samsung Galaxy S21 Ultra also has more RAM. The Samsung Galaxy S21 Ultra has a better looking display than Galaxy A25 5G, because it has a quite larger screen, a better resolution of 1440 x 3200px, more pixels per inch of display and a brighter screen.
Galaxy S21 Ultra shoots much better photographs and videos than Samsung Galaxy A25 5G, and although they both have a same size aperture, the Galaxy S21 Ultra also has a back camera with way more MP, a way larger sensor and a much higher 7680x4320 video quality. Samsung Galaxy A25 5G has a lot bigger memory capacity for applications, games, photos and videos than Samsung Galaxy S21 Ultra, and although they both have the same internal memory, the Samsung Galaxy A25 5G also has a slot for an external memory card that supports up to 1 TB.
The Galaxy S21 Ultra and Galaxy A25 5G count with quite similar batteries duration.
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