Compare phones
| Global Score | |
| 77.7 | 77.6 |
| Basic Information | |
| Samsung | Motorola |
| Android 10 | Android 9.0 Pie, 8.1 Oreo |
| 2020-06-19 | 2018-08-16 |
| 6.44 x 2.96 x 0.35 inches | 6.16 x 3.01 x 0.27 inches |
| 6.77 ounces | 5.50 ounces |
| Black, Blue, Red and White | 16 777 216 |
| -- | Aluminum and Glass |
| -- | Scratch-Resistant Glass |
| -- | $ 297.00 |
| Display / Screen | |
| 6.5 inches | 6 inches |
| 1600 x 720 pixels | 2160 x 1080 pixels |
| TFT | Super AMOLED |
| 270 pixels per inch | 402 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8.1 |
| Performance | |
| Samsung Exynos 850 chipset | Qualcomm Snapdragon 835 MSM8998 chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | Kryo 280, 64-bit, 10 nm (Octa-Core 2450 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Mali-G76 GPU | Adreno 540 GPU |
| 9.09 | 9.36 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1,95 TB) external memory slot |
| 9.84 | 14.66 |
| Camera | |
| 48.00 MP + 13.00 MP | 12.00 MP + 8.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.34 inches (1/2.9") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (60 fps) (Full HD) slow motion video |
| 10.78 | 9.57 |
| 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 |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 3000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Galaxy A21s is just a bit better than the Moto Z3, getting a score of 77.7 against 77.6. Both phones in this comparison come with Android OS, but Galaxy A21s has older 10 version and Moto Z3 has Android 9.0 Pie. Even though Galaxy A21s is newer than Moto Z3, it is noticeably thicker and heavier. Motorola Moto Z3 counts with a much better looking screen than Samsung Galaxy A21s, because although it has a little bit smaller display, it also counts with a lot higher 1080 x 2160 resolution and a higher number of pixels per inch in the display.
The Motorola Moto Z3 has a bit better processing unit than Samsung Galaxy A21s, and although they both have 8 cpu cores, the Motorola Moto Z3 also has a higher amount of RAM memory. The Galaxy A21s has a better camera than Moto Z3, and although they both have the same video frame rates, the same video resolution and a same size camera aperture, the Galaxy A21s also has a much larger back-facing camera sensor providing a way better image quality and a camera with a lot better 48 mega-pixels resolution.
The Motorola Moto Z3 counts with a much bigger memory for applications, games, photos and videos than Galaxy A21s, because it has a slot for an SD memory card that supports up to 1,95 TB and 64 GB internal memory. Samsung Galaxy A21s counts with a superior battery performance than Motorola Moto Z3, because it has a 5000mAh battery size against 3000mAh.
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