Compare phones
| Global Score | |
| 72.6 | 81.3 |
| Basic Information | |
| Asus | Samsung |
| Android 12 | Android 10 |
| 2022-07-28 | 2020-04-27 |
| 5.77 x 2.68 x 0.36 inches | 6.27 x 2.88 x 0.34 inches |
| 5.96 ounces | 6.53 ounces |
| -- | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| -- | Plastic |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 5.9 inches | 6.4 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 446 pixels per inch | 411 pixels per inch |
| No touch screen | No touch screen |
| 7.7 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 8+ Gen1 SM8475 (4 nm) chipset | MediaTek Helio P65 MT6768 chipset |
| processor | Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 730 GPU | Mali-G52 MC2 GPU |
| 6.21 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 50.00 MP + 12.00 MP | 48.00 MP + 20.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 14.40mm focal length | 26.00mm focal length |
| 0.64 inches (1/1.56") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 12.43 | 10.89 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4300mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.16 | 6.8 |
| Other Features | |
| Bluetooth 5.2 | 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 Galaxy A31 has a global score of 81.3, which is much better than Asus Zenfone 9's 72.6 overall score. Both phones in this review come with Android OS (operating system), but the Galaxy A31 has 10 version and Asus Zenfone 9 has Android 12. The Galaxy A31 design is a bit thinner than Asus Zenfone 9, although it's a little heavier and was released 2 years before.
Samsung Galaxy A31 features a much faster processor than Asus Zenfone 9, although it has a lower amount of RAM memory, they both have a Octa-Core CPU. The Samsung Galaxy A31 features a bit better looking screen than Asus Zenfone 9, because although it has a little bit less pixels per inch of display, and they both have an equal resolution of 1080 x 2400px, the Samsung Galaxy A31 also counts with a little bit bigger display.
The Asus Zenfone 9 shoots much clearer photographs and videos than Galaxy A31, because it has a way bigger sensor capturing more light and vivid colors, a better resolution camera, a way better 7680x4320 video definition and a bigger aperture. Samsung Galaxy A31 has a greater storage capacity for applications and games than Asus Zenfone 9, because although it has only 64 GB internal memory, it also counts with a SD card slot that holds up to 512 GB.
Galaxy A31 has improved battery duration than Asus Zenfone 9, because it has a 16% bigger battery capacity.
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