Compare phones
| Global Score | |
| 80.1 | 85.3 |
| Basic Information | |
| Xiaomi | Microsoft |
| Android 15 | Android 11 |
| -- | 2021-09-20 |
| -- | 5.72 x 7.26 x 0.22 inches |
| -- | 10.02 ounces |
| -- | Glacier and Obsidian |
| -- | Glass (Corning Gorilla Glass) |
| -- | Scratch-Resistant Glass |
| -- | $ 540.00 |
| Display / Screen | |
| 6.7 inches | 8.3 inches |
| -- | 2688 x 1892 pixels |
| AMOLED | AMOLED |
| -- | 396 pixels per inch |
| 3000 cd/m2 brightness | 800 cd/m2 brightness |
| No touch screen | No touch screen |
| 5 | 8.8 |
| Performance | |
| Qualcomm Snapdragon 8 Elite SM8750-AB (4 nm) chipset | Qualcomm Snapdragon 888 SM8350 (5 nm) chipset |
| processor | Kryo 680, 64-bit (Octa-Core 2840 MHz) processor |
| 16 GB RAM | 8 GB RAM |
| Adreno 830 GPU | Adreno 660 GPU |
| 6.3 | 9.63 |
| Storage | |
| 512 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 17.6 | 10.1 |
| Camera | |
| 200.00 MP + 32.00 MP | 12.00 MP + 12.00 MP |
| -- | f/1.70 aperture |
| -- | 27.00mm focal length |
| 7680 x 4320 (30 fps) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1920 x 1080 (1920 fps) (Full HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 12.87 | 10.01 |
| 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 | Nano SIM, Dual SIM |
| 7.6 | 10.6 |
| Battery Life | |
| 6000mAh Si - Carbon Battery | 4449mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 7.52 | 6.32 |
| Other Features | |
| Bluetooth 5.4 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | -- |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Microsoft Surface Duo 2 is slightly better than Xiaomi 15 Ultra (Rumored), with a global score of 85.3 against 80.1. Both of these phones have Android OS (operating system), but Microsoft Surface Duo 2 has the older 11 version and Xiaomi 15 Ultra (Rumored) has Android 15. Microsoft Surface Duo 2 counts with a much more powerful processing unit than Xiaomi 15 Ultra (Rumored), although it has less RAM memory, they both have the same number of cores.
The Microsoft Surface Duo 2 features a much sharper screen than Xiaomi 15 Ultra (Rumored), because although it has much worse brightness, it also counts with a bigger screen. The Xiaomi 15 Ultra (Rumored) takes way better photos and videos than Microsoft Surface Duo 2, because it has a camera in the back with a lot higher resolution and a way better video quality.
Xiaomi 15 Ultra (Rumored) has a much bigger storage to store more apps and games than Microsoft Surface Duo 2, because it has 384 GB more internal storage. Xiaomi 15 Ultra (Rumored) has superior battery life than Microsoft Surface Duo 2, because it has a 35 percent more battery size.
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