| Global Score | |
| 84.1 | 80.4 |
| Basic Information | |
| Samsung | Apple |
| Android 11, 10 | iOS 8.x |
| 2020-03-23 | 2014-09-09 |
| 6.26 x 2.96 x 0.35 inches | 6.22 x 3.06 x 0.28 inches |
| 6.63 ounces | 6.07 ounces |
| Midnight blue and Raven black | Black, Gold and Gray |
| Plastic and Plastic | Aluminium |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 559.00 |
| Display / Screen | |
| 6.4 inches | 5.5 inches |
| 2340 x 1080 pixels | 1080 x 1920 pixels (Full HD) |
| Super AMOLED | IPS LCD |
| 403 pixels per inch | 401 pixels per inch |
| 420 cd/m2 brightness | 500 cd/m2 brightness |
| No touch screen | Capacitive, Multi-touch |
| 8.4 | 9.4 |
| Performance | |
| Exynos 9611 chipset | Apple A8 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | 64-bit Cyclone ARMv8-A 2nd gen. (Dual-Core 1400 MHz) processor |
| 4 GB RAM | 1 GB (1600 MHz) RAM |
| Mali-G72 MP3 GPU | PowerVR GX6450 (450 MHz) GPU |
| 9.27 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 10.1 |
| Camera | |
| 48.00 MP + 20.00 MP | 8.00 MP + 1.20 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 |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (60 fps) (Full HD) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 11.55 | 8.91 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G), HSPA, HSUPA, UMTS, EV-DO A, EV-DO B, EDGE, GPRS, GSM and CDMA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.9 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 2915mAh Li-Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | 384 hours standby time 24 hours talk time |
| 7.52 | 4.88 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
The Samsung Galaxy M21 has a general score of 84.1, which is a bit better than the iPhone 6 Plus's score of 80.4. Although Samsung Galaxy M21 is notably newer than iPhone 6 Plus, it's somewhat thicker and just a little bit heavier. The Samsung Galaxy M21 comes with Android 11 operating system, while iPhone 6 Plus works with iOS 8.x operating system.
The Apple iPhone 6 Plus counts with a CPU that's just as good as the processor in Galaxy M21, because although the Apple iPhone 6 Plus has a lower number of cores and also slower and 3 GB less RAM, it also counts with an additional graphics processing unit and a 64-bit processor. IPhone 6 Plus has a brighter screen than Galaxy M21, because although it has a little bit worse pixel count per screen inch, a little bit smaller display and a bit worse resolution of 1920 x 1080, it also counts with a quite brighter screen.
Galaxy M21 features a better memory capacity to store more games and applications than Apple iPhone 6 Plus, because although it has only 64 GB internal memory capacity, it also counts with a SD memory slot that holds up to 512 GB. The Galaxy M21 takes way better photos and videos than iPhone 6 Plus, because it has a back facing camera with a much better resolution, a larger aperture for better low-light photos and video, a way better 3840x2160 video resolution and a much larger sensor taking much better quality pictures and videos.
Samsung Galaxy M21 counts with a much longer battery performance than Apple iPhone 6 Plus, because it has 6000mAh of battery capacity against 2915mAh.
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