Compare phones
| Global Score | |
| 76.1 | 83 |
| Basic Information | |
| Samsung | Apple |
| Android 10 | iOS 9.x |
| 2020-06-29 | 2015-09-09 |
| 6.61 x 3.02 x 0.32 inches | 5.44 x 2.64 x 0.28 inches |
| 6.81 ounces | 5.04 ounces |
| Black | Gold, Gray and Pink |
| Plastic and Plastic | Aluminium, Glass and Steel |
| -- | Scratch-Resistant Glass |
| $ 194.00 | $ 575.00 |
| Display / Screen | |
| 6.5 inches | 4.7 inches |
| 1600 x 720 pixels | 750 x 1334 pixels |
| IPS LCD | IPS LCD |
| 270 pixels per inch | 326 pixels per inch |
| -- | 500 cd/m2 brightness |
| No touch screen | Capacitive, Multi-touch |
| 7.3 | 8.9 |
| Performance | |
| Mediatek Helio P35 chipset | Apple A9 APL0898 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | 64-bit Twister, 64-bit (Dual-Core 1840 MHz) processor |
| 3 GB RAM | 2 GB (1600 MHz) RAM |
| PowerVR GE8320 GPU | PowerVR GT7600 (650 MHz) GPU |
| 9.27 | 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 | |
| 16.00 MP + 13.00 MP | 12.00 MP + 5.00 MP |
| f/1.80 aperture | f/2.20 aperture |
| -- | 29.00mm focal length |
| 0.33 inches (1/3.06") 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 |
| 9.35 | 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 | Nano SIM |
| 6.7 | 6.9 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 1715mAh Li-Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | 240 hours standby time 14 hours talk time |
| 5.92 | 3.6 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| 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 | -- |
Comparison review
IPhone 6s is just a bit better than the Galaxy A21, getting a global score of 83 against 76.1. IPhone 6s is an a lot older cellphone than the Galaxy A21, but Apple managed to build it thinner and a lot lighter anyway. The iPhone 6s comes with iOS 9.x OS, while Galaxy A21 has Android 10 OS. The iPhone 6s features a bit better processing power than Galaxy A21, because although it has 6 lesser and slower CPU cores and a lower amount of RAM memory, it also counts with a 64-bit processing unit and a graphics co-processor.
Apple iPhone 6s counts with a much better display than Samsung Galaxy A21, because although it has a quite lower resolution of 1334 x 750 and a really smaller screen, it also counts with a just a little higher screen density. Apple iPhone 6s takes clearer photos and videos than Galaxy A21, because although it has a tinier camera aperture and a lot worse resolution back camera, it also counts with a way higher 3840x2160 video definition and a larger sensor taking more light and vivid colors.
IPhone 6s counts with a little bit more storage capacity to install applications and games or saving photos and videos than Samsung Galaxy A21, because although it has no SD memory card expansion slot, it also counts with 96 GB more internal storage. Galaxy A21 counts with a much longer battery lifetime than Apple iPhone 6s, because it has a 133 percent larger battery size.
Although Apple iPhone 6s is a better device, it costs a lot more money than the Samsung Galaxy A21, and it doesn't have such a good quality/price relation as the Samsung Galaxy A21. So if you want that extra features and specs, you can buy the Apple iPhone 6s, otherwise you can save a couple dollars and get the Samsung Galaxy A21, letting go a couple features and specifications.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.