Compare phones
| Global Score | |
| 77.7 | 98.9 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 13, 12, 11, 10 |
| 2020-06-19 | 2020-08-21 |
| 6.44 x 2.96 x 0.35 inches | 6.49 x 3.04 x 0.32 inches |
| 6.77 ounces | 7.34 ounces |
| Black, Blue, Red and White | Mystic black, Mystic bronze and Mystic white |
| -- | Glass (Corning Gorilla Glass Victus) and Stainless steel |
| -- | Scratch-Resistant Glass |
| -- | $ 1300.00 |
| Display / Screen | |
| 6.5 inches | 6.9 inches |
| 1600 x 720 pixels | 3088 x 1440 pixels |
| TFT | Dynamic AMOLED |
| 270 pixels per inch | 494 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8.7 |
| Performance | |
| Samsung Exynos 850 chipset | Qualcomm Snapdragon 865+ SM8250-AB (7 nm) chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 3000 MHz) processor |
| 3 GB RAM | 12 GB RAM |
| Mali-G76 GPU | Adreno 650 GPU |
| 9.09 | 9.81 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 9.84 | 15.38 |
| Camera | |
| 48.00 MP + 13.00 MP | 108.00 MP + 10.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 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 |
| 10.78 | 13.64 |
| 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 |
| -- | Wireless Charging |
| 6.8 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy Note 20 Ultra is way better than the Galaxy A21s, getting a overall score of 98.9 against 77.7. The Galaxy Note 20 Ultra body is a bit thinner but a bit heavier than the Galaxy A21s, and they were released only 2 months apart. Both phones in this review use Android OS (Operating System), but Galaxy Note 20 Ultra has the newer 13 version while Galaxy A21s has Android 10, providing a couple additional features.
The Samsung Galaxy Note 20 Ultra features a bit better hardware performance than Galaxy A21s, and although they both have a Octa-Core CPU, the Samsung Galaxy Note 20 Ultra also has more RAM memory. Galaxy Note 20 Ultra counts with a much sharper screen than Galaxy A21s, because it has a lot greater count of pixels per inch in the screen, a lot better 1440 x 3088px resolution and a quite larger display.
The Samsung Galaxy Note 20 Ultra captures much clearer photos and videos than Galaxy A21s, because it has a lot higher video definition, a larger diafragm aperture, a much more megapixels back-facing camera and a much larger sensor taking more light and vivid colors. The Galaxy Note 20 Ultra features a superior memory capacity to install applications and games than Galaxy A21s, because it has a SD extension slot that supports a maximum of 1000 GB and 96 GB more internal storage capacity.
The Samsung Galaxy A21s counts with just a little better battery life than Galaxy Note 20 Ultra, because it has 5000mAh of battery capacity.
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