Compare phones
| Global Score | |
| 77.7 | 83 |
| Basic Information | |
| Samsung | Apple |
| Android 10 | iOS 9.x |
| 2020-06-19 | 2015-09-09 |
| 6.44 x 2.96 x 0.35 inches | 5.44 x 2.64 x 0.28 inches |
| 6.77 ounces | 5.04 ounces |
| Black, Blue, Red and White | Gold, Gray and Pink |
| -- | Aluminium, Glass and Steel |
| -- | Scratch-Resistant Glass |
| -- | $ 575.00 |
| Display / Screen | |
| 6.5 inches | 4.7 inches |
| 1600 x 720 pixels | 750 x 1334 pixels |
| TFT | IPS LCD |
| 270 pixels per inch | 326 pixels per inch |
| -- | 500 cd/m2 brightness |
| No touch screen | Capacitive, Multi-touch |
| 7.2 | 8.9 |
| Performance | |
| Samsung Exynos 850 chipset | Apple A9 APL0898 chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | 64-bit Twister, 64-bit (Dual-Core 1840 MHz) processor |
| 3 GB RAM | 2 GB (1600 MHz) RAM |
| Mali-G76 GPU | PowerVR GT7600 (650 MHz) GPU |
| 9.09 | 9.81 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 9.84 | 10.1 |
| Camera | |
| 48.00 MP + 13.00 MP | 12.00 MP + 5.00 MP |
| f/2.00 aperture | f/2.20 aperture |
| 26.00mm focal length | 29.00mm focal length |
| 0.5 inches (1/2") sensor | 0.33 inches (1/3") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 10.78 | 9.68 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), HSPA, HSUPA, EV-DO A, EDGE, GPRS, GSM and CDMA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.9 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 1715mAh Li-Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | 240 hours standby time 14 hours talk time |
| 6.8 | 3.6 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Apple iPhone 6s is slightly better than Galaxy A21s, having a general score of 83 against 77.7. Apple iPhone 6s's body is incredibly lighter and somewhat thinner than the Galaxy A21s, despite of the fact that it was released many years before. The Apple iPhone 6s counts with iOS 9.x OS, and Galaxy A21s has Android 10 OS.
IPhone 6s counts with a bit faster processor than Galaxy A21s, because although it has a lower amount of RAM memory and a lower number of cores and slower, it also counts with a 64 bits CPU and an additional graphics co-processor. IPhone 6s counts with a much sharper screen than Samsung Galaxy A21s, because although it has a little worse resolution of 1334 x 750 pixels and a much smaller display, it also counts with a just a bit greater display density.
IPhone 6s features just a bit bigger memory capacity for games and applications than Galaxy A21s, because although it has no SD memory slot, it also counts with 128 GB internal memory capacity. Galaxy A21s shoots much clearer photos and videos than iPhone 6s, and although they both have the same (Full HD) video resolution and the same 30 frames per second video frame rate, the Galaxy A21s also has a bigger aperture, a lot larger sensor taking much higher quality photos and a lot better 48 MP resolution camera in the back.
The Galaxy A21s counts with a much longer battery life than iPhone 6s, because it has 5000mAh of battery capacity against 1715mAh.
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