Compare phones
| Global Score | |
| 84.1 | 77.5 |
| Basic Information | |
| Samsung | Asus |
| Android 11, 10 | -- |
| 2020-03-23 | 2016-07-12 |
| 6.26 x 2.96 x 0.35 inches | 6.16 x 3.05 x 0.30 inches |
| 6.63 ounces | 6.00 ounces |
| Midnight blue and Raven black | 16 777 216 |
| Plastic and Plastic | Aluminum |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 5.7 inches |
| 2340 x 1080 pixels | 1920 x 1080 pixels (Full HD) |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 386 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 7.9 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 821 MSM8996 Pro chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo, 64-bit (Quad-Core 2400 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G72 MP3 GPU | Adreno 530 GPU |
| 9.27 | 9.09 |
| Storage | |
| 64 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 11.74 | 15.62 |
| Camera | |
| 48.00 MP + 20.00 MP | 23.00 MP + 8.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.38 inches (1/2.6") 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 | -- |
| 11.55 | 10.23 |
| 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 | Micro SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 3000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2, EDR |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy M21 has a general score of 84.1, which is slightly better than the Asus ZenFone 3 Deluxe's 77.5 overall score. Galaxy M21 is a incredibly newer cellphone than Asus ZenFone 3 Deluxe, but it's thicker and a little bit heavier. Galaxy M21 has a little better hardware performance than Asus ZenFone 3 Deluxe, because although it has a smaller amount of RAM, it also counts with 4 more CPU cores.
The Galaxy M21 features a little sharper screen than Asus ZenFone 3 Deluxe, because it has a little better display pixels density, a little larger screen and a slightly higher 1080 x 2340 resolution. The Samsung Galaxy M21 has a much better camera than Asus ZenFone 3 Deluxe, and although they both have the same 30 frames per second video frame rate, the same 3840x2160 (4K) video quality and a same size camera aperture, the Samsung Galaxy M21 also has a way bigger back-facing camera sensor taking way better quality videos and photographs and a back-facing camera with a much better resolution.
The Asus ZenFone 3 Deluxe counts with a much better memory capacity to install applications and games or saving photos and videos than Samsung Galaxy M21, because although it has a slot for external memory cards that holds 384 GB smaller, it also counts with 256 GB internal memory capacity. The Samsung Galaxy M21 features a much longer battery life than Asus ZenFone 3 Deluxe, because it has a 6000mAh battery size.
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