Compare phones
| Global Score | |
| 73.8 | 84.1 |
| Basic Information | |
| Asus | Samsung |
| Android 8.0 Oreo, 7.0 Nougat, 6.0 Marshmallow | Android 11, 10 |
| 2016-10-12 | 2020-03-23 |
| 5.96 x 3.02 x 0.31 inches | 6.26 x 2.96 x 0.35 inches |
| 5.29 ounces | 6.63 ounces |
| Gold and Silver | Midnight blue and Raven black |
| Metal | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| Super IPS+ LCD | Super AMOLED |
| 401 pixels per inch | 403 pixels per inch |
| 600 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.6 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Exynos 9611 chipset |
| ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 506 GPU | Mali-G72 MP3 GPU |
| 9.09 | 9.27 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.66 | 11.74 |
| Camera | |
| 16.00 MP + 8.00 MP | 48.00 MP + 20.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 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), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3000mAh Li - Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 7.52 |
| Other Features | |
| Bluetooth | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy M21 has a global score of 84.1, which is much better than the Asus ZenFone 3 Deluxe (ZS550KL)'s 73.8 global score. These phones include Android operating system, but the Galaxy M21 has older 11 version while Asus ZenFone 3 Deluxe (ZS550KL) has Android 8.0 Oreo. Galaxy M21's body is extremely newer, but way heavier and somewhat thicker than Asus ZenFone 3 Deluxe (ZS550KL).
Asus ZenFone 3 Deluxe (ZS550KL) counts with a little bit better looking screen than Galaxy M21, because although it has a just a bit worse pixels density, a little bit worse 1080 x 1920 resolution and a little smaller screen, it also counts with more brightness. The Asus ZenFone 3 Deluxe (ZS550KL) counts with a very superior storage capacity to install games and applications than Galaxy M21, and although they both have the same internal memory, the Asus ZenFone 3 Deluxe (ZS550KL) also has a SD extension slot that supports a maximum of 1,95 TB.
The Samsung Galaxy M21 features a bit faster processor than Asus ZenFone 3 Deluxe (ZS550KL). Both have 8 cpu cores and a 4 GB RAM memory. The Galaxy M21 has a superior battery performance than Asus ZenFone 3 Deluxe (ZS550KL), because it has a 100% bigger battery capacity. The Galaxy M21 takes much clearer photos and videos than Asus ZenFone 3 Deluxe (ZS550KL), and although they both have the same 30 frames per second video frame rate, the same aperture and the same 3840x2160 (4K) video resolution, the Galaxy M21 also has a camera with way more mega-pixels.
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