Compare phones
| Global Score | |
| 83.3 | 80.1 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 10, 9.0 Pie, 8.0 Oreo | Android 15 |
| 2018-06-05 | -- |
| 6.10 x 2.94 x 0.30 inches | -- |
| 6.17 ounces | -- |
| Black, Blue, Gold and White | -- |
| Glass (Corning Gorilla Glass 5) | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.2 inches | 6.7 inches |
| 2248 x 1080 pixels | -- |
| AMOLED | AMOLED |
| 402 pixels per inch | -- |
| 600 cd/m2 brightness | 3000 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.6 | 5 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Qualcomm Snapdragon 8 Elite SM8750-AB (4 nm) chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | processor |
| 6 GB RAM | 16 GB RAM |
| Adreno 630 GPU | Adreno 830 GPU |
| 9.63 | 6.3 |
| Storage | |
| 256 GB internal memory | 512 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 17.6 |
| Camera | |
| 12.00 MP + 20.00 MP | 200.00 MP + 32.00 MP |
| f/1.80 aperture | -- |
| 56.00mm focal length | -- |
| 0.39 inches (1/2.55") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1920 x 1080 (1920 fps) (Full HD) slow motion video |
| 9.9 | 12.87 |
| Networks | |
| Wi-Fi | -- |
| Mobile Hotspot | -- |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 7.6 |
| Battery Life | |
| 3400mAh Li - Polymer Battery | 6000mAh Si - Carbon Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.36 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.4 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi Mi 8 has a global score of 83.3, which is a little bit better than Xiaomi 15 Ultra (Rumored)'s overall score of 80.1. Both of these phones use Android operating system, but the Xiaomi Mi 8 has older 10 version while Xiaomi 15 Ultra (Rumored) has Android 15. The Xiaomi Mi 8 has a really superior performance than Xiaomi 15 Ultra (Rumored), although it has a lower amount of RAM, they both have 8 CPU cores.
The Xiaomi Mi 8 has a much sharper screen than Xiaomi 15 Ultra (Rumored), although it has a bit smaller screen and much lower brightness. Xiaomi 15 Ultra (Rumored) shoots greater videos and photos than Xiaomi Mi 8, because it has a way higher video quality and a lot more mega-pixels camera in the back.
The Xiaomi 15 Ultra (Rumored) counts with a much greater storage capacity to store more games and applications than Xiaomi Mi 8, because it has 512 GB internal memory. The Xiaomi 15 Ultra (Rumored) features a really longer battery life than Xiaomi Mi 8, because it has a 6000mAh battery capacity against 3400mAh.
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