| Global Score | |
| 75.5 | 84.1 |
| Basic Information | |
| Apple | Samsung |
| iOS 8.x, 7.x | Android 11, 10 |
| 2013-09-10 | 2020-03-23 |
| 4.87 x 2.31 x 0.30 inches | 6.26 x 2.96 x 0.35 inches |
| 3.95 ounces | 6.63 ounces |
| Black, Gold and Gray | Midnight blue and Raven black |
| Aluminium | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 205.00 | -- |
| Display / Screen | |
| 4 inches | 6.4 inches |
| 640 x 1136 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 326 pixels per inch | 403 pixels per inch |
| 500 cd/m2 brightness | 420 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 8.9 | 8.4 |
| Performance | |
| Apple A7 chipset | Exynos 9611 chipset |
| 64-bit Cyclone ARMv8 (Dual-Core 1300 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 1 GB (1600 MHz) RAM | 4 GB RAM |
| PowerVR G6430 (600 MHz) GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.27 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 7.7 | 11.74 |
| Camera | |
| 8.00 MP + 1.20 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 |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 8.69 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS, GSM and CDMA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 7.1 | 6.7 |
| Battery Life | |
| 1570mAh Li-Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 250 hours standby time 10 hours talk time | -- |
| 3.36 | 7.52 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Samsung Galaxy M21 has a score of 84.1, which is better than the Apple iPhone 5s's overall score of 75.5. Even though the Samsung Galaxy M21 is much newer than the Apple iPhone 5s, it is somewhat thicker and much heavier. Samsung Galaxy M21 comes with Android 11 OS, while Apple iPhone 5s works with iOS 8.x OS.
IPhone 5s has a bit more vivid display than Galaxy M21, because although it has a way smaller display, a just a bit lower pixels amount in each inch of screen and a much lower 1136 x 640 resolution, it also counts with a bit more display brightness. Galaxy M21's processing unit is just as good as Apple iPhone 5s's processing unit, because although the Galaxy M21 has a 32-bits processing unit instead of 64-bits and doesn't have a GPU, it also counts with a greater number of cores (and they are faster) and a higher amount of RAM.
The Galaxy M21 takes a lot better pictures and videos than iPhone 5s, because it has a larger aperture for better photos in low-light situations, a way higher 3840x2160 video definition, a way higher 48 mega-pixels resolution camera and a way bigger back-facing camera sensor capturing much higher quality photographs.
The Samsung Galaxy M21 counts with a much bigger memory capacity to install games and applications than Apple iPhone 5s, and although they both have exactly the same 64 GB internal storage, the Samsung Galaxy M21 also has a SD card slot that admits a maximum of 512 GB. Samsung Galaxy M21 counts with a superior battery performance than iPhone 5s, because it has 6000mAh of battery capacity.
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