Compare phones
| Global Score | |
| 71.8 | 80.1 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 6.0 Marshmallow | Android 15 |
| 2017-02-14 | -- |
| 5.94 x 2.99 x 0.33 inches | -- |
| 5.82 ounces | -- |
| 16 777 216 | -- |
| Metal | -- |
| $ 145.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.7 inches |
| 1920 x 1080 pixels (Full HD) | -- |
| IPS LCD | AMOLED |
| 401 pixels per inch | -- |
| -- | 3000 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 5 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Qualcomm Snapdragon 8 Elite SM8750-AB (4 nm) chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2000 MHz) processor | processor |
| 3 GB RAM | 16 GB RAM |
| Adreno 506 GPU | Adreno 830 GPU |
| 9.09 | 6.3 |
| Storage | |
| 32 GB internal memory | 512 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 8.12 | 17.6 |
| Camera | |
| 13.00 MP + 5.00 MP | 200.00 MP + 32.00 MP |
| f/2.00 aperture | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1920 x 1080 (1920 fps) (Full HD) slow motion video |
| 9.02 | 12.87 |
| Networks | |
| Wi-Fi | -- |
| Mobile Hotspot | -- |
| LTE-A (4G), LTE (4G) and HSPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Micro SIM | Nano SIM |
| 6.1 | 7.6 |
| Battery Life | |
| 4100mAh Li - Polymer Battery | 6000mAh Si - Carbon Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6 | 7.52 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.4 |
| GPS | GPS |
| -- | 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 global score of 80.1, which is better than the Xiaomi Redmi Note 4X's overall score of 71.8. Both devices in this comparison use Android OS (Operating System), but Xiaomi 15 Ultra (Rumored) has the older 15 version while Xiaomi Redmi Note 4X has Android 6.0 Marshmallow. Xiaomi 15 Ultra (Rumored)'s design is noticeably thinner and a lot lighter than Xiaomi Redmi Note 4X.
The Xiaomi Redmi Note 4X features a much better looking screen than Xiaomi 15 Ultra (Rumored), although it has a little smaller screen. The Xiaomi Redmi Note 4X features a much better performance than Xiaomi 15 Ultra (Rumored), although it has a lower amount of RAM memory, they both have a Octa-Core processor.
The Xiaomi 15 Ultra (Rumored) has a much greater memory for applications, games, photos and videos than Xiaomi Redmi Note 4X, because although it has no SD memory card expansion slot, it also counts with 512 GB internal storage capacity. Xiaomi 15 Ultra (Rumored) features a greater camera than Xiaomi Redmi Note 4X, because it has a much higher video quality and a back facing camera with a way higher resolution.
Xiaomi 15 Ultra (Rumored) has a really longer battery performance than Xiaomi Redmi Note 4X, because it has a 46 percent greater battery size.
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