Compare phones
| Global Score | |
| 73.3 | 80.6 |
| Basic Information | |
| Asus | Xiaomi |
| Android 6.0 Marshmallow | Android 14 |
| 2016-07-12 | 2024-10-29 |
| 7.34 x 3.70 x 0.27 inches | 6.00 x 2.80 x 0.32 inches |
| 8.22 ounces | 6.67 ounces |
| Gold, Gray, Pink and Silver | -- |
| Aluminum | Glass |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.8 inches | 6.4 inches |
| 1920 x 1080 pixels (Full HD) | 2670 x 1200 pixels |
| IPS LCD | OLED |
| 324 pixels per inch | 457 pixels per inch |
| -- | 3200 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.6 | 10.2 |
| Performance | |
| Qualcomm Snapdragon 652 8976 chipset | Snapdragon 8 Elite SM8750-AB (3 nm) chipset |
| ARM Cortex-A72 and ARM Cortex-A53, 64-bit (Octa-Core 1800 MHz) processor | processor |
| 4 GB RAM | 12 GB RAM |
| Adreno 510 GPU | Adreno 830 GPU |
| 8.91 | 6.21 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| microSDXC (up to 200 GB) external memory slot | No SD card slot |
| 12.86 | 13.3 |
| Camera | |
| 23.00 MP + 8.00 MP | 50.00 MP + 32.00 MP |
| f/2.00 aperture | f/1.60 aperture |
| -- | 23.00mm focal length |
| 3840 x 2160 (24 fps) (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1920 x 1080 (30 fps) (Full HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 10.01 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G |
| Nano SIM | Nano SIM |
| 6.7 | 7 |
| Battery Life | |
| 4600mAh Li - Ion Battery | 5400mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.48 | 7.12 |
| Other Features | |
| Bluetooth 4.2, EDR | Bluetooth 5.4 |
| GPS | GPS |
| -- | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass and Gyroscope |
| FM Radio | -- |
Comparison review
The Xiaomi 15 is better than the Asus ZenFone 3 Ultra, with a overall score of 80.6 against 73.3. Both phones in our current comparison have Android OS (operating system), but the Xiaomi 15 has 14 version and Asus ZenFone 3 Ultra has Android 6.0 Marshmallow. Even though the Xiaomi 15 is somewhat thicker than Asus ZenFone 3 Ultra, it's lighter and also notably newer.
The Asus ZenFone 3 Ultra features a really superior performance than Xiaomi 15, although it has a lower amount of RAM memory, they both have a Octa-Core processing unit. The Xiaomi 15 features a way better looking screen than Asus ZenFone 3 Ultra, because although it has a bit smaller screen, it also counts with a higher 1200 x 2670 resolution and a higher pixel density.
The Xiaomi 15 features a greater camera than Asus ZenFone 3 Ultra, because it has a larger diafragm aperture to take better captures in poorly lited situations, a back camera with a much better resolution and a lot better 7680x4320 video resolution. Xiaomi 15 features slightly more memory capacity for games and applications than Asus ZenFone 3 Ultra, because although it has no SD memory slot, it also counts with 256 GB internal memory.
The Xiaomi 15 features a little better battery lifetime than Asus ZenFone 3 Ultra, because it has 5400mAh of battery capacity instead of 4600mAh.
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