Compare phones
| Global Score | |
| 83 | 80.1 |
| Basic Information | |
| Asus | Xiaomi |
| Android 11 | Android 15 |
| 2021-05-13 | -- |
| 5.83 x 2.70 x 0.35 inches | -- |
| 5.96 ounces | -- |
| Horizon Silver and Obsidian Black | -- |
| Aluminum and Glass (Corning Gorilla Glass 3) | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 5.9 inches | 6.7 inches |
| 2400 x 1080 pixels | -- |
| AMOLED | AMOLED |
| 446 pixels per inch | -- |
| 1100 cd/m2 brightness | 3000 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.2 | 5 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 chipset | Qualcomm Snapdragon 8 Elite SM8750-AB (4 nm) chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | processor |
| 6 GB RAM | 16 GB RAM |
| Adreno 660 GPU | Adreno 830 GPU |
| 9.63 | 6.3 |
| Storage | |
| 128 GB internal memory | 512 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 17.6 |
| Camera | |
| 64.00 MP + 12.00 MP | 200.00 MP + 32.00 MP |
| f/1.80 aperture | -- |
| 27.00mm focal length | -- |
| 0.59 inches (1/1.7") sensor | -- |
| 7680 x 4320 (24 fps) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1920 x 1080 (1920 fps) (Full HD) slow motion video |
| 12.65 | 12.87 |
| Networks | |
| Wi-Fi | -- |
| Mobile Hotspot | -- |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.6 | 7.6 |
| Battery Life | |
| 4000mAh Nano SIM Battery | 6000mAh Si - Carbon Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 7.52 |
| Other Features | |
| Bluetooth 5.2, EDR | Bluetooth 5.4 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Asus ZenFone 8 is just a bit better than Xiaomi 15 Ultra (Rumored), getting an 83 score against 80.1. Both of these phones have Android operating system, but the Asus ZenFone 8 has an older 11 version and Xiaomi 15 Ultra (Rumored) has Android 15. The Asus ZenFone 8 features a very superior CPU than Xiaomi 15 Ultra (Rumored), although it has a lower amount of RAM, they both have a Octa-Core processing unit.
Asus ZenFone 8 counts with an incredibly better display than Xiaomi 15 Ultra (Rumored), although it has a bit smaller screen and much worse brightness. The Xiaomi 15 Ultra (Rumored) has a superior storage for applications, games, photos and videos than Asus ZenFone 8, because it has 512 GB internal memory capacity.
The Xiaomi 15 Ultra (Rumored) shoots clearer videos and photos than Asus ZenFone 8, and although they both have the same video definition, the Xiaomi 15 Ultra (Rumored) also has better 30 fps video frame rate and a way higher 200 mega-pixels resolution camera in the back. Xiaomi 15 Ultra (Rumored) features a really longer battery performance than Asus ZenFone 8, because it has a 50% greater battery size.
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