Compare phones
| Global Score | |
| 78.8 | 80.1 |
| Basic Information | |
| Microsoft | Xiaomi |
| Android 10 | Android 15 |
| 2020-09-10 | -- |
| 7.36 x 5.72 x 0.19 inches | -- |
| 8.82 ounces | -- |
| Glacier | -- |
| Glass (Corning Gorilla Glass 5) | -- |
| Scratch-Resistant Glass | -- |
| $ 540.00 | -- |
| Display / Screen | |
| 8.1 inches | 6.7 inches |
| 2700 x 1800 pixels | -- |
| AMOLED | AMOLED |
| 401 pixels per inch | -- |
| -- | 3000 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.2 | 5 |
| Performance | |
| Qualcomm Snapdragon 855 SM8150 chipset | Qualcomm Snapdragon 8 Elite SM8750-AB (4 nm) chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | processor |
| 6 GB RAM | 16 GB RAM |
| Adreno 640 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 | |
| 11.00 MP | 200.00 MP + 32.00 MP |
| f/2.00 aperture | -- |
| 3840 x 2160 (60 fps) (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| -- | 1920 x 1080 (1920 fps) (Full HD) slow motion video |
| 8.91 | 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 | |
| 3577mAh Battery | 6000mAh Si - Carbon Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.52 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | 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, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi 15 Ultra (Rumored) is slightly better than the Microsoft Surface Duo, having a general score of 80.1 against 78.8. These phones include Android OS, but Xiaomi 15 Ultra (Rumored) has the newer 15 version and Microsoft Surface Duo has Android 10. The Xiaomi 15 Ultra (Rumored) is a noticeably thinner and way lighter device than Microsoft Surface Duo.
The Microsoft Surface Duo has an incredibly better screen than Xiaomi 15 Ultra (Rumored), because it has a larger screen. The Xiaomi 15 Ultra (Rumored) counts with a way bigger storage capacity for applications and games than Microsoft Surface Duo, because it has more internal memory capacity. Microsoft Surface Duo has a very superior processing unit than Xiaomi 15 Ultra (Rumored), although it has a lower amount of RAM memory, they both have 8 CPU cores.
Xiaomi 15 Ultra (Rumored) has a much better camera than Microsoft Surface Duo, because it has a much higher video resolution and a back facing camera with way more mega pixels. The Xiaomi 15 Ultra (Rumored) has a much longer battery performance than Microsoft Surface Duo, because it has 6000mAh of battery capacity against 3577mAh.
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