Compare phones
Samsung Galaxy S6
AT&TSM-G920A
| 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 |
| $ 900.00 | $ 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
Samsung Galaxy S21 is a little bit better than the Galaxy S6, getting a 91.8 score against 87.3. The Samsung Galaxy S21 body is a lot newer, but thicker and somewhat heavier than Galaxy S6. Both phones in this comparison include Android OS (Operating System), but Samsung Galaxy S21 has a newer 11 version while Galaxy S6 has Android 5.0, giving a couple nice extra features and performance improvements.
The Galaxy S6 counts with a bit faster CPU than Galaxy S21, because although it has a lower amount of RAM memory, and they both have the same number of cores, the Galaxy S6 also counts with an extra graphics co-processor and a 64-bits CPU. The Galaxy S6 has a bit sharper screen than Galaxy S21, because although it has a little smaller screen, it also counts with a better 2560 x 1440 resolution and a higher pixel count per screen inch.
Galaxy S21 has as much storage capacity to install games and applications as the Galaxy S6 one, they have exactly the same 128 GB internal storage. Galaxy S21 features a much longer battery lifetime than Galaxy S6, because it has a 4000mAh battery capacity. Samsung Galaxy S21 shoots just a bit better photographs and videos than Samsung Galaxy S6, because although it has a lot less mega-pixels resolution back camera, it also counts with a larger camera aperture to capture better photos and video in low-light environments, a lot larger back camera sensor which offers a much higher photo and video quality and a way higher video resolution.
The Galaxy S21 is not only the best devices in this comparison, but it's also very cheap compared to the other devices, making it an obvious call.
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