Compare phones
| Global Score | |
| 11.67 | 9.52 |
| Basic Information | |
| Samsung | Samsung |
| Android 11 | Android 11, 10, 9.0 Pie |
| 2021-01-29 | 2019-04-10 |
| 6.50 x 2.98 x 0.35 inches | 5.69 x 2.72 x 0.31 inches |
| 8.04 ounces | 4.94 ounces |
| Phantom black and Silver | Black, Blue, Coral and White |
| Aluminum and Glass (Corning Gorilla Glass Victus) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 966.00 | -- |
| Display / Screen | |
| 6.8 inches | 5.9 inches |
| 3200 x 1440 pixels | 2340 x 1080 pixels |
| Dynamic AMOLED | Super AMOLED |
| 516 pixels per inch | 437 pixels per inch |
| 1500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.8 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Exynos 7904 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 12 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Mali-G71 MP2 GPU |
| 9.72 | 8.91 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 108.00 MP + 40.00 MP | 16.00 MP + 25.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 24.00mm focal length | 27.00mm focal length |
| 0.75 inches (1/1.33") sensor | 0.36 inches (1/2.8") sensor |
| 7680 x 4320 (24 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 13.75 | 9.46 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 3100mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 4.96 | 4.48 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy S21 Ultra has a global score of 11.67, which is a lot better than Galaxy A40's 9.52 score. These phones have the same Android 11 operating system. Galaxy S21 Ultra's design is newer than Galaxy A40's, but it's much heavier and somewhat thicker. The Samsung Galaxy S21 Ultra has just a bit better performance than Samsung Galaxy A40, and although they both have the same number of cores, the Samsung Galaxy S21 Ultra also has more RAM.
The Galaxy S21 Ultra features a better screen than Samsung Galaxy A40, because it has a better resolution of 1440 x 3200, a little bit higher screen density and a larger display. Samsung Galaxy A40 counts with a bigger memory for applications and games than Samsung Galaxy S21 Ultra, because although it has only 64 GB internal storage, it also counts with a SD memory slot that holds up to 512 GB.
The Samsung Galaxy S21 Ultra shoots much better photos and videos than Galaxy A40, because although it has a tinier aperture, it also counts with a way better 108 mega pixels resolution back camera, a way larger back camera sensor taking more light and vivid colors and a way better video resolution.
Galaxy S21 Ultra counts with longer battery duration than Galaxy A40, because it has 5000mAh of battery capacity.