Compare phones
| Global Score | |
| 77.4 | 76.1 |
| Basic Information | |
| Asus | Samsung |
| -- | Android 10 |
| 2017-08-03 | 2020-06-29 |
| 6.25 x 3.06 x 0.35 inches | 6.61 x 3.02 x 0.32 inches |
| 6.00 ounces | 6.81 ounces |
| Black | Black |
| Metal | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| -- | $ 194.00 |
| Display / Screen | |
| 5.7 inches | 6.5 inches |
| 2560 x 1440 pixels (Quad HD / 2K) | 1600 x 720 pixels |
| Super AMOLED | IPS LCD |
| 515 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.5 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 821 MSM8996 Pro chipset | Mediatek Helio P35 chipset |
| Kryo, 64-bit (Quad-Core 2150 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Adreno 530 GPU | PowerVR GE8320 GPU |
| 9 | 9.27 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 17.06 | 9.84 |
| Camera | |
| 23.00 MP + 8.00 MP | 16.00 MP + 13.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 27.00mm focal length | -- |
| 0.38 inches (1/2.6") sensor | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (24 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (30 fps) (Full HD) slow motion video | -- |
| 10.23 | 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 | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3300mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 5.92 |
| Other Features | |
| Bluetooth 4.2, EDR | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Asus ZenFone AR is a bit better than the Galaxy A21, getting a 77.4 score against 76.1. Despite of the fact the Asus ZenFone AR is older and a bit thicker than Galaxy A21, it's design is still somewhat lighter. Asus ZenFone AR features a better screen than Samsung Galaxy A21, because although it has a little bit smaller display, it also counts with a much better 1440 x 2560 resolution and much more pixels per display inch.
Galaxy A21 has a bit more powerful processing unit than Asus ZenFone AR, because although it has 3 GB lesser RAM memory, it also counts with a higher number of cores (and faster). The Asus ZenFone AR has a much better memory to install applications and games than Galaxy A21, because it has 128 GB internal storage and an external SD slot that admits a maximum of 1,95 TB.
The Galaxy A21 features longer battery duration than Asus ZenFone AR, because it has a 4000mAh battery size. The Asus ZenFone AR takes a little bit better photographs and videos than Galaxy A21, because although it has a tinier aperture which is not so good for capturing photos and video in low light environments, it also counts with a way higher 3840x2160 video definition, a larger sensor which gives a higher image and video quality and a back-facing camera with way more megapixels.
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