Compare phones
| Global Score | |
| 76.9 | 91.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 10, 9.0 Pie | Android 11 |
| 2019-04-26 | 2021-01-29 |
| 6.47 x 3.02 x 0.31 inches | 5.97 x 2.80 x 0.31 inches |
| 6.46 ounces | 6.03 ounces |
| Black, Blue, Pink and White | Gray, Phantom pink, Violet and White |
| Plastic | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 299.00 | $ 722.00 |
| Display / Screen | |
| 6.7 inches | 6.2 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Dynamic AMOLED |
| 393 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 675 SM6150 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 460, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Adreno 612 GPU | Adreno 660 GPU |
| 9.18 | 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 | |
| 32.00 MP | 12.00 MP + 10.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 3.52 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.6 | 10.7 |
| Battery Life | |
| 4500mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.32 | 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
Samsung Galaxy S21 has an overall score of 91.8, which is much better than the Samsung Galaxy A70's overall score of 76.9. Both devices in this comparison review use Android operating system, but Samsung Galaxy S21 has newer 11 version and Samsung Galaxy A70 has Android 10 version, giving some extra features and some performance improvements. The Samsung Galaxy S21 is a a bit lighter phone than Samsung Galaxy A70, but both of them are equally thin.
The Samsung Galaxy S21 features just a little better processing power than Galaxy A70, and although they both have 8 cpu cores, the Samsung Galaxy S21 also has a larger amount of RAM memory. The Galaxy S21 has a sharper screen than Galaxy A70, because although it has a little bit smaller screen, and they both have the same resolution of 1080 x 2400 pixels, the Galaxy S21 also counts with a quite higher pixels quantity per inch of display.
The Samsung Galaxy A70 counts with much more storage capacity to store more games and applications than Galaxy S21, and although they both have the same 128 GB internal storage, the Samsung Galaxy A70 also has a SD memory slot that supports up to 512 GB. Galaxy S21 counts with a greater camera than Galaxy A70, because although it has a tinier diafragm aperture which is not recommended for shooting photographs and/or video in low-light situations, it also counts with a way larger back-facing camera sensor capturing more light and vivid colors and a way better video resolution.
The Samsung Galaxy A70 counts with a little better battery duration than Galaxy S21, because it has a 13% greater battery size.
Samsung Galaxy S21 is a lot more expensive than the Galaxy A70, but you can get a better phone for that few more dollars.
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