Compare phones
| Global Score | |
| 86.3 | 76.1 |
| Basic Information | |
| Asus | Samsung |
| -- | Android 10 |
| 2020-07-23 | 2020-06-29 |
| 6.73 x 3.07 x 0.39 inches | 6.61 x 3.02 x 0.32 inches |
| 8.47 ounces | 6.81 ounces |
| Black glare | Black |
| Aluminum and Glass (Corning Gorilla Glass 3) | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| -- | $ 194.00 |
| Display / Screen | |
| 6.6 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| AMOLED | IPS LCD |
| 390 pixels per inch | 270 pixels per inch |
| 1000 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.9 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 865+ SM8250 chipset | Mediatek Helio P35 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 3090 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 12 GB RAM | 3 GB RAM |
| Yes GPU | PowerVR GE8320 GPU |
| 9.81 | 9.27 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 9.84 |
| Camera | |
| 64.00 MP + 24.00 MP | 16.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.59 inches (1/1.7") sensor | 0.33 inches (1/3.06") sensor |
| 7680 x 4320 (30 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | -- |
| 12.87 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, 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 |
| 10.7 | 6.7 |
| Battery Life | |
| 6000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.92 |
| Other Features | |
| Bluetooth 5.1 | 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 |
Comparison review
The Asus ROG Phone 3 has a global score of 86.3, which is much better than Samsung Galaxy A21's 76.1 global score. Although the Asus ROG Phone 3 is a better device than Samsung Galaxy A21, it must be told that it is also somewhat thicker and somewhat heavier. Asus ROG Phone 3 features a little faster processor than Samsung Galaxy A21, and although they both have a Octa-Core processor, the Asus ROG Phone 3 also has 9 GB more RAM memory.
Asus ROG Phone 3 has a much sharper display than Galaxy A21, because it has a little bit bigger screen, a much higher 1080 x 2340 resolution and a greater pixels amount in each display inch. Asus ROG Phone 3 captures greater photographs and videos than Galaxy A21, and although they both have a F1.8 aperture, the Asus ROG Phone 3 also has a back camera with way more megapixels, a lot bigger back-facing camera sensor providing a lot better image quality and a lot better 7680x4320 video definition.
The Asus ROG Phone 3 features a bit more storage capacity for applications, games, photos and videos than Galaxy A21, because although it has no SD memory card expansion slot, it also counts with 128 GB internal memory. Asus ROG Phone 3 has a superior battery lifetime than Samsung Galaxy A21, because it has a 50% more battery size.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.