Compare phones
| Global Score | |
| 84.2 | 91.8 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11 |
| 2018-10-20 | 2021-01-29 |
| 6.29 x 3.02 x 0.30 inches | 5.97 x 2.80 x 0.31 inches |
| 5.93 ounces | 6.03 ounces |
| 16 777 216 | Gray, Phantom pink, Violet and White |
| Glass (Corning Gorilla Glass 3) and Plastic | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6 inches | 6.2 inches |
| 2220 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Dynamic AMOLED |
| 411 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 9.2 |
| Performance | |
| Samsung Exynos 7 Octa 7885 chipset | Qualcomm Snapdragon 888 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Mali-G71 MP2 GPU | Adreno 660 GPU |
| 9.27 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 10.1 |
| Camera | |
| 24.00 MP + 24.00 MP | 12.00 MP + 10.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.57 inches (1/1.76") 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 |
| 9.9 | 10.78 |
| 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 | |
| 3300mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.28 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| 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
Galaxy S21 is just a bit better than Samsung Galaxy A7 (2018), with a 91.8 score against 84.2. The Galaxy S21 is a way newer device than Samsung Galaxy A7 (2018), but it's just a little bit thicker and just a little bit heavier. Samsung Galaxy S21 features a bit better hardware performance than Galaxy A7 (2018), and although they both have the same number of cores, the Samsung Galaxy S21 also has a larger amount of RAM memory.
The Samsung Galaxy S21 features a much better screen than Samsung Galaxy A7 (2018), because it has a quite larger display, a quite better pixels density and a little higher 1080 x 2400 resolution. Galaxy A7 (2018) features a lot bigger memory capacity for games and applications than Galaxy S21, and although they both have the same internal storage, the Galaxy A7 (2018) also has an external SD slot that holds up to 512 GB.
Samsung Galaxy S21 features better battery duration than Samsung Galaxy A7 (2018), because it has a 21% greater battery capacity. Samsung Galaxy S21 shoots a little bit better photos and videos than Samsung Galaxy A7 (2018), because although it has a much lower 12 mega pixels resolution back camera and a tinier camera aperture, it also counts with a way better video resolution and a lot larger back camera sensor which offers a lot better image and video quality.
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