Compare phones
| Global Score | |
| 76.7 | 80.1 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 12 | Android 15 |
| 2022-03-23 | -- |
| 6.46 x 3.00 x 0.32 inches | -- |
| 7.23 ounces | -- |
| Laser Black, Laser Blue and POCO Yellow | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.7 inches | 6.7 inches |
| 2400 x 1080 pixels | -- |
| AMOLED | AMOLED |
| 393 pixels per inch | -- |
| 1200 cd/m2 brightness | 3000 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.9 | 5 |
| Performance | |
| Qualcomm Snapdragon 696 SM6375 (6 nm) chipset | Qualcomm Snapdragon 8 Elite SM8750-AB (4 nm) chipset |
| processor | processor |
| 6 GB RAM | 16 GB RAM |
| Adreno 619 GPU | Adreno 830 GPU |
| 6.12 | 6.3 |
| Storage | |
| 128 GB internal memory | 512 GB internal memory |
| microSDXC (up to 1 TB) external memory slot | No SD card slot |
| 15.42 | 17.6 |
| Camera | |
| 108.00 MP + 16.00 MP | 200.00 MP + 32.00 MP |
| f/1.90 aperture | -- |
| -- | 7680 x 4320 (30 fps) video resolution |
| -- | 1920 x 1080 (1920 fps) (Full HD) slow motion video |
| 10.34 | 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 | Nano SIM |
| 10.6 | 7.6 |
| Battery Life | |
| 5000mAh Nano SIM Battery | 6000mAh Si - Carbon Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 7.52 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.4 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xiaomi 15 Ultra (Rumored) has a general score of 80.1, which is a little bit better than the Xiaomi POCO X4 Pro 5G's score of 76.7. Both phones we are comparing work with Android OS, but Xiaomi 15 Ultra (Rumored) has newer 15 version while Xiaomi POCO X4 Pro 5G has Android 12, counting with lots of additional features. The Xiaomi 15 Ultra (Rumored) is a noticeably lighter and thinner phone than the Xiaomi POCO X4 Pro 5G.
Xiaomi POCO X4 Pro 5G features an incredibly better looking display than Xiaomi 15 Ultra (Rumored), although it has way less brightness, they both have a screen of the same size. The Xiaomi 15 Ultra (Rumored) has a bigger memory for applications, games, photos and videos than Xiaomi POCO X4 Pro 5G, because although it has no SD memory card expansion slot, it also counts with 512 GB internal memory capacity.
Xiaomi 15 Ultra (Rumored) counts with a little bit better performance than Xiaomi POCO X4 Pro 5G, and although they both have a Octa-Core processing unit, the Xiaomi 15 Ultra (Rumored) also has more RAM. The Xiaomi 15 Ultra (Rumored) shoots much better pictures and videos than Xiaomi POCO X4 Pro 5G, because it has a much more megapixels back camera.
The Xiaomi 15 Ultra (Rumored) has improved battery lifetime than Xiaomi POCO X4 Pro 5G, because it has a 6000mAh battery size instead of 5000mAh.
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