Compare phones
Samsung Galaxy S6
U.S. CellularSM-G920R4
| Global Score | |
| 87.3 | 91.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 5.0 | Android 11 |
| 2015-04-11 | 2021-01-29 |
| 5.65 x 2.78 x 0.27 inches | 5.97 x 2.80 x 0.31 inches |
| 4.87 ounces | 6.03 ounces |
| Black, Blue, Gold and White | Gray, Phantom pink, Violet and White |
| Aluminium and Glass | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 245.00 | $ 722.00 |
| Display / Screen | |
| 5.1 inches | 6.2 inches |
| 1440 x 2560 pixels (Quad HD / 2K) | 2400 x 1080 pixels |
| Super AMOLED | Dynamic AMOLED |
| 576 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9.9 | 9.2 |
| Performance | |
| Exynos 7 Octa 7420 chipset | Qualcomm Snapdragon 888 chipset |
| 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 3 GB (1600 MHz) RAM | 8 GB RAM |
| Mali-T760 MP8 (650 MHz) GPU | Adreno 660 GPU |
| 10.08 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 16.00 MP + 5.00 MP | 12.00 MP + 10.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 28.00mm focal length | 26.00mm focal length |
| 0.38 inches (1/2.6") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.01 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 2550mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 4.56 | 5.92 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy S21 is a little bit better than the Galaxy S6, having a overall score of 91.8 against 87.3. These devices have Android operating system, but the Galaxy S21 has 11 version while Galaxy S6 has Android 5.0. Although the Galaxy S21 is incredibly newer than the Galaxy S6, it's heavier and somewhat thicker.
Galaxy S6 features a little bit better screen than Galaxy S21, because although it has a little bit smaller display, it also counts with a higher resolution of 2560 x 1440px and a greater pixels number in each screen inch. The Galaxy S21 counts with as much storage to install games and applications as Galaxy S6, both have the same 128 GB internal memory.
Samsung Galaxy S6 features a bit better processing power than Samsung Galaxy S21, because although it has less RAM memory, and they both have 8 CPU cores, the Samsung Galaxy S6 also counts with a 64-bits processing unit and an additional graphics processing unit. The Galaxy S21 counts with a slightly better camera than Galaxy S6, because although it has a way less megapixels resolution back facing camera, it also counts with a much higher video quality, a lot larger camera sensor providing a lot higher image quality and a larger camera aperture to take better low-light captures.
The Galaxy S21 features a much better battery performance than Galaxy S6, because it has 4000mAh of battery capacity against 2550mAh.
Although Galaxy S21 is a better device, it costs a lot more than Galaxy S6, and it doesn't have such a good price and quality relation as Galaxy S6. So if you want that extra features and specs, you can buy the Galaxy S21, else you can save some dollars and get the Galaxy S6, resigning some features and specifications.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.