Compare phones
| Global Score | |
| 76.1 | 77.8 |
| Basic Information | |
| Samsung | Asus |
| Android 10 | Android 11, 9.0 Pie |
| 2020-06-29 | 2019-05-25 |
| 6.61 x 3.02 x 0.32 inches | 6.26 x 2.97 x 0.36 inches |
| 6.81 ounces | 6.70 ounces |
| Black | Black and Silver |
| Plastic and Plastic | Glass (Corning Gorilla Glass 3) |
| -- | Scratch-Resistant Glass |
| $ 194.00 | $ 500.00 |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 1600 x 720 pixels | 2340 x 1080 pixels |
| IPS LCD | IPS LCD |
| 270 pixels per inch | 403 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8.2 |
| Performance | |
| Mediatek Helio P35 chipset | Qualcomm Snapdragon 855 SM8150 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| PowerVR GE8320 GPU | Adreno 640 GPU |
| 9.27 | 9.63 |
| 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 | |
| 16.00 MP + 13.00 MP | 48.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 9.35 | 11.22 |
| 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 | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0, EDR |
| 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
The Asus ZenFone 6 (2019) is slightly better than Samsung Galaxy A21, getting a 77.8 score against 76.1. These phones come with Android operating system, but the Asus ZenFone 6 (2019) has 11 version and Samsung Galaxy A21 has Android 10, counting with lots of additional features and increased performance. Despite of the fact Asus ZenFone 6 (2019) is older and somewhat thicker than the Samsung Galaxy A21, it's construction is still a little bit lighter.
Asus ZenFone 6 (2019) counts with a little bit better processing power than Galaxy A21, and although they both have 8 cores, the Asus ZenFone 6 (2019) also has more RAM memory. The Asus ZenFone 6 (2019) features a sharper screen than Galaxy A21, because although it has a little bit smaller screen, it also counts with a lot better 1080 x 2340px resolution and a higher pixels density.
Asus ZenFone 6 (2019) has a superior storage capacity to store more apps and games than Galaxy A21, because it has a SD memory card expansion slot that holds up to 1,95 TB and 64 GB internal memory capacity. The Asus ZenFone 6 (2019) features longer battery performance than Galaxy A21, because it has a 5000mAh battery capacity instead of 4000mAh.
The Asus ZenFone 6 (2019) features a lot better camera than Galaxy A21, and although they both have a F1.8 camera aperture, the Asus ZenFone 6 (2019) also has a way bigger back camera sensor capturing more light and vivid colors, a way more MP camera and a much better 3840x2160 video definition.
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 price and quality relation as the Galaxy A21. If you are trying to save some money, you can buy Galaxy A21, letting go a couple features and specs, but you'll get the most out of your money.
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