Compare phones
| Global Score | |
| 83 | 76.1 |
| Basic Information | |
| Apple | Samsung |
| iOS 9.x | Android 10 |
| 2015-09-09 | 2020-06-29 |
| 5.44 x 2.64 x 0.28 inches | 6.61 x 3.02 x 0.32 inches |
| 5.04 ounces | 6.81 ounces |
| Gold, Gray and Pink | Black |
| Aluminium, Glass and Steel | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| $ 575.00 | $ 194.00 |
| Display / Screen | |
| 4.7 inches | 6.5 inches |
| 750 x 1334 pixels | 1600 x 720 pixels |
| IPS LCD | IPS LCD |
| 326 pixels per inch | 270 pixels per inch |
| 500 cd/m2 brightness | -- |
| Capacitive, Multi-touch | No touch screen |
| 8.9 | 7.3 |
| Performance | |
| Apple A9 APL0898 chipset | Mediatek Helio P35 chipset |
| 64-bit Twister, 64-bit (Dual-Core 1840 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 2 GB (1600 MHz) RAM | 3 GB RAM |
| PowerVR GT7600 (650 MHz) GPU | PowerVR GE8320 GPU |
| 9.81 | 9.27 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 9.84 |
| Camera | |
| 12.00 MP + 5.00 MP | 16.00 MP + 13.00 MP |
| f/2.20 aperture | f/1.80 aperture |
| 29.00mm focal length | -- |
| 0.33 inches (1/3") sensor | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | -- |
| 9.68 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), HSPA, HSUPA, EV-DO A, EDGE, GPRS, GSM and CDMA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.9 | 6.7 |
| Battery Life | |
| 1715mAh Li-Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 240 hours standby time 14 hours talk time | -- |
| 3.6 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
IPhone 6s is a little bit better than Galaxy A21, with an 83 score against 76.1. IPhone 6s works with iOS 9.x OS, while Galaxy A21 comes with Android 10 OS. Even though the iPhone 6s is extremely older than Galaxy A21, it's body is somewhat thinner and incredibly lighter. IPhone 6s counts with a way better screen than Samsung Galaxy A21, because although it has a little lower resolution of 1334 x 750px and a lot smaller display, it also counts with a little better quantity of pixels per inch in the display.
Apple iPhone 6s features slightly more storage capacity to store more games and applications than Galaxy A21, because although it has no SD extension slot, it also counts with more internal memory capacity. IPhone 6s counts with just a little better hardware performance than Galaxy A21, because although it has 6 less and slower CPU cores and a lower amount of RAM, it also counts with a 64 bits processor and a GPU.
Apple iPhone 6s has a slightly better camera than Samsung Galaxy A21, because although it has a much worse resolution back-facing camera and a tinier aperture, it also counts with a bigger camera sensor and a lot better 3840x2160 (4K) video definition. Samsung Galaxy A21 counts with a much longer battery life than iPhone 6s, because it has a 133 percent larger battery capacity.
Although 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 Samsung Galaxy A21. So if you need that extra features and specs, you can buy iPhone 6s, otherwise you can save a couple dollars and get the Samsung Galaxy A21, resigning some specifications.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.