| Global Score | |
| 75.4 | 98.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 4.4.4 | Android 11 |
| 2015-01-11 | 2021-01-29 |
| 5.94 x 3.00 x 0.25 inches | 6.50 x 2.98 x 0.35 inches |
| 4.97 ounces | 8.04 ounces |
| Blue, Gold and White | Phantom black and Silver |
| Metal | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 360.00 | $ 966.00 |
| Display / Screen | |
| 5.5 inches | 6.8 inches |
| 1080 x 1920 pixels (Full HD) | 3200 x 1440 pixels |
| Super AMOLED | Dynamic AMOLED |
| 401 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 615 8939 chipset | Qualcomm Snapdragon 888 chipset |
| 64-bit ARM Cortex-A53 (Quad-Core 1500 MHz + Quad-Core 1000 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 2 GB (800 MHz) RAM | 12 GB RAM |
| Adreno 405 (500 MHz) GPU | Adreno 660 GPU |
| 9.45 | 9.72 |
| Storage | |
| 16 GB internal memory | 128 GB internal memory |
| microSD, microSDHC, microSDXC (up to 64 GB) external memory slot | No SD card slot |
| 6.16 | 10.1 |
| Camera | |
| 13.00 MP + 5.00 MP | 108.00 MP + 40.00 MP |
| -- | 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 |
| 8.03 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 7 | 10.7 |
| Battery Life | |
| 2600mAh Li-Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 17 hours talk time | -- |
| 4.56 | 6.8 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Samsung Galaxy S21 Ultra has a score of 98.1, which is way better than the Samsung Galaxy A7's score of 75.4. These phones work with Android OS (operating system), but Samsung Galaxy S21 Ultra has the previous 11 version and Samsung Galaxy A7 has Android 4.4.4. The Samsung Galaxy S21 Ultra construction is extremely newer than Samsung Galaxy A7's, but it's thicker and incredibly heavier.
Galaxy S21 Ultra features a bit better hardware performance than Samsung Galaxy A7, because although it has a 32-bit processor instead of 64-bits and doesn't have a graphics processing unit, and they both have the same number of cores, the Galaxy S21 Ultra also counts with a greater amount of RAM memory.
Galaxy S21 Ultra features a bit sharper display than Galaxy A7, because it has a bigger display, a lot higher resolution of 1440 x 3200 pixels and a greater pixels number in each inch of screen. Galaxy S21 Ultra counts with a much bigger storage for games and applications than Samsung Galaxy A7, because although it has no external memory card slot, it also counts with 112 GB more internal memory capacity.
Galaxy S21 Ultra has a much better camera than Galaxy A7, because it has a back facing camera with a much higher resolution and a much higher video definition. The Galaxy S21 Ultra features a much longer battery life than Galaxy A7, because it has a 92 percent more battery capacity.
Galaxy S21 Ultra is way more expensive than the Galaxy A7, but you can get a much better phone for that few more dollars.
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