Compare phones
| Global Score | |
| 84.2 | 84.1 |
| Basic Information | |
| Apple | Samsung |
| iOS 9.x | Android 11, 10 |
| 2015-09-09 | 2020-03-23 |
| 6.23 x 3.07 x 0.29 inches | 6.26 x 2.96 x 0.35 inches |
| 6.77 ounces | 6.63 ounces |
| Gold, Gray and Pink | Midnight blue and Raven black |
| Aluminium, Glass and Steel | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 625.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 1080 x 1920 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 401 pixels per inch | 403 pixels per inch |
| 500 cd/m2 brightness | 420 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9.4 | 8.4 |
| Performance | |
| Apple A9 APL1022 chipset | Exynos 9611 chipset |
| 64-bit Twister, 64-bit (Dual-Core 1840 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 2 GB (1600 MHz) RAM | 4 GB RAM |
| PowerVR GT7600 (650 MHz) GPU | Mali-G72 MP3 GPU |
| 9.81 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 12.00 MP + 5.00 MP | 48.00 MP + 20.00 MP |
| f/2.20 aperture | f/2.00 aperture |
| 29.00mm focal length | 26.00mm focal length |
| 0.33 inches (1/3") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.68 | 11.55 |
| 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, Dual SIM |
| 6.9 | 6.7 |
| Battery Life | |
| 2750mAh Li-Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 384 hours standby time 24 hours talk time | -- |
| 4.72 | 7.52 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
IPhone 6s Plus has an overall score of 84.2, which is a bit better than Galaxy M21's 84.1 score. The iPhone 6s Plus body is thinner than the Galaxy M21, although it's just a bit heavier and was released many years before. The iPhone 6s Plus works with iOS 9.x OS, and Galaxy M21 has Android 11 OS.
IPhone 6s Plus features a better looking screen than Galaxy M21, because although it has a bit inferior count of pixels per display inch, a bit lower 1920 x 1080 resolution and a little smaller screen, it also counts with a little bit more brightness. Apple iPhone 6s Plus features just a little better performance than Samsung Galaxy M21, because although it has an inferior number of cores and lesser RAM, it also counts with a 64 bits processing unit and a GPU.
The Galaxy M21 shoots much clearer photographs and videos than iPhone 6s Plus, and although they both have the same video resolution and the same 30 frames per second video frame rate, the Galaxy M21 also has a larger aperture to take better photography in low light environments, a much larger camera sensor taking lot better quality photos and a lot better 48 MP resolution camera in the back.
Galaxy M21 features more storage for games and applications than iPhone 6s Plus, because although it has just 64 GB internal memory capacity, it also counts with a SD memory card expansion slot that admits a maximum of 512 GB. Samsung Galaxy M21 has a superior battery duration than iPhone 6s Plus, because it has a 118 percent bigger battery capacity.
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