Compare phones
| Global Score | |
| 79.6 | 98.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10, 9.0 Pie | Android 11 |
| 2019-04-10 | 2021-01-29 |
| 5.69 x 2.72 x 0.31 inches | 6.50 x 2.98 x 0.35 inches |
| 4.94 ounces | 8.04 ounces |
| Black, Blue, Coral and White | Phantom black and Silver |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 5.9 inches | 6.8 inches |
| 2340 x 1080 pixels | 3200 x 1440 pixels |
| Super AMOLED | Dynamic AMOLED |
| 437 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.2 | 9.8 |
| Performance | |
| Exynos 7904 chipset | Qualcomm Snapdragon 888 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 12 GB RAM |
| Mali-G71 MP2 GPU | Adreno 660 GPU |
| 8.91 | 9.72 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 10.1 |
| Camera | |
| 16.00 MP + 25.00 MP | 108.00 MP + 40.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 27.00mm focal length | 24.00mm focal length |
| 0.36 inches (1/2.8") 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 |
| 9.46 | 13.75 |
| 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 | |
| 3100mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.12 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | 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 | FM Radio |
Comparison review
The Galaxy S21 Ultra is much better than the Galaxy A40, having a 98.1 score against 79.6. These phones use the same Android 11 OS (Operating System). Even though Galaxy S21 Ultra is newer than the Galaxy A40, it is a lot heavier and somewhat thicker. Samsung Galaxy S21 Ultra features a bit superior processor than Galaxy A40, and although they both have the same number of cores, the Samsung Galaxy S21 Ultra also has a larger amount of RAM memory.
The Galaxy S21 Ultra features a better display than Samsung Galaxy A40, because it has a bit better display pixel density, a better resolution of 1440 x 3200 and a bigger display. The Samsung Galaxy A40 has a bigger storage capacity for applications, games, photos and videos than Galaxy S21 Ultra, because although it has 0 less internal storage, it also counts with a slot for an external memory card that supports a maximum of 512 GB.
The Galaxy S21 Ultra has a very superior battery duration than Galaxy A40, because it has 5000mAh of battery capacity. The Samsung Galaxy S21 Ultra shoots way better photographs and videos than Samsung Galaxy A40, because although it has a smaller aperture, it also counts with a way better video definition, a back facing camera with way more megapixels and a lot larger back camera sensor providing a way better image quality.
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