Compare phones
| Global Score | |
| 77.8 | 76.1 |
| Basic Information | |
| Asus | Samsung |
| Android 11, 9.0 Pie | Android 10 |
| 2019-05-25 | 2020-06-29 |
| 6.26 x 2.97 x 0.36 inches | 6.61 x 3.02 x 0.32 inches |
| 6.70 ounces | 6.81 ounces |
| Black and Silver | Black |
| Glass (Corning Gorilla Glass 3) | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| $ 500.00 | $ 194.00 |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| IPS LCD | IPS LCD |
| 403 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 855 SM8150 chipset | Mediatek Helio P35 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Adreno 640 GPU | PowerVR GE8320 GPU |
| 9.63 | 9.27 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.66 | 9.84 |
| Camera | |
| 48.00 MP | 16.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | -- |
| 11.22 | 9.35 |
| 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 Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.0, EDR | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Asus ZenFone 6 (2019) is a bit better than Galaxy A21, with a general score of 77.8 against 76.1. Both phones in this comparison review come with Android OS (Operating System), but Asus ZenFone 6 (2019) has the newer 11 version while Galaxy A21 has Android 10. Asus ZenFone 6 (2019)'s body is just a little bit lighter than the Galaxy A21, but it's somewhat thicker and was released around a year before.
Asus ZenFone 6 (2019) counts with a bit better performance than Samsung Galaxy A21, and although they both have 8 processing cores, the Asus ZenFone 6 (2019) also has a greater amount of RAM memory. Asus ZenFone 6 (2019) features a brighter screen than Samsung Galaxy A21, because although it has a little bit smaller screen, it also counts with a higher screen density and a lot higher 1080 x 2340px resolution.
Asus ZenFone 6 (2019) features a very superior camera than Galaxy A21, and although they both have a same size camera aperture, the Asus ZenFone 6 (2019) also has a way bigger sensor capturing more light and vivid colors, a back-facing camera with a lot better 48 MP resolution and a much higher 3840x2160 video quality.
The Asus ZenFone 6 (2019) counts with a lot bigger memory capacity for applications, games, photos and videos than Galaxy A21, because it has 32 GB more internal memory and a SD memory card expansion slot that allows a maximum of 1,95 TB. The Asus ZenFone 6 (2019) has greater battery duration than Samsung Galaxy A21, because it has 5000mAh of battery capacity instead of 4000mAh.
Although Asus ZenFone 6 (2019) is a better device, it is way more expensive than the Galaxy A21, and it doesn't have such a good quality/price relation as Galaxy A21. So if you want that extra specs, you can buy Asus ZenFone 6 (2019), otherwise you can save some money and get the Galaxy A21, resigning some specs and features.
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