| Global Score | |
| 80.1 | 81.6 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 15 | Android 5.0, 4.4 |
| -- | 2014-09-03 |
| -- | 6.04 x 3.09 x 0.33 inches |
| -- | 6.21 ounces |
| -- | Black, Gold, Pink and White |
| -- | Scratch-Resistant Glass |
| -- | $ 269.00 |
| Display / Screen | |
| 6.7 inches | 5.7 inches |
| -- | 1440 x 2560 pixels (Quad HD / 2K) |
| AMOLED | Super AMOLED |
| -- | 515 pixels per inch |
| 3000 cd/m2 brightness | -- |
| No touch screen | Capacitive, Multi-touch |
| 5 | 9.5 |
| Performance | |
| Qualcomm Snapdragon 8 Elite SM8750-AB (4 nm) chipset | Qualcomm Snapdragon 805 APQ8084 chipset |
| processor | Krait 450 (Quad-Core 2700 MHz) processor |
| 16 GB RAM | 3 GB (825 MHz) RAM |
| Adreno 830 GPU | Adreno 420 (500 MHz) GPU |
| 6.3 | 9.54 |
| Storage | |
| 512 GB internal memory | 32 GB internal memory |
| No SD card slot | microSD, microSDHC, microSDXC (up to 128 GB) external memory slot |
| 17.6 | 8.12 |
| Camera | |
| 200.00 MP + 32.00 MP | 16.00 MP + 3.70 MP |
| -- | f/2.20 aperture |
| -- | 31.00mm focal length |
| -- | 0.38 inches (1/2.6") sensor |
| 7680 x 4320 (30 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (1920 fps) (Full HD) slow motion video | 1920 x 1080 (60 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 | LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM |
| Nano SIM | Micro SIM |
| 7.6 | 7 |
| Battery Life | |
| 6000mAh Si - Carbon Battery | 3220mAh Li-Ion Battery |
| Non-Removable Battery | Removable Battery |
| Wireless Charging | -- |
| -- | 20 hours talk time |
| 7.52 | 5.2 |
| Other Features | |
| Bluetooth 5.4 | Bluetooth 4.1, EDR |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | 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 |
Galaxy Note 4 is slightly better than the Xiaomi 15 Ultra (Rumored), with a score of 81.6 against 80.1. These devices have Android operating system, but Galaxy Note 4 has the older 5.0 version and Xiaomi 15 Ultra (Rumored) has Android 15. Samsung Galaxy Note 4 features a much better display than Xiaomi 15 Ultra (Rumored), although it has a little bit smaller screen.
The Xiaomi 15 Ultra (Rumored) counts with a way bigger storage for applications, games, photos and videos than Galaxy Note 4, because although it has no slot for external memory cards, it also counts with 480 GB more internal memory. The Galaxy Note 4 has a much greater processing power than Xiaomi 15 Ultra (Rumored), because although it has less CPU cores (but faster) and a smaller amount of RAM memory, it also counts with an extra GPU.
Xiaomi 15 Ultra (Rumored) counts with a really longer battery performance than Galaxy Note 4, because it has 6000mAh of battery capacity against 3220mAh. The Xiaomi 15 Ultra (Rumored) shoots a lot better photographs and videos than Galaxy Note 4, because it has a lot more MP back facing camera and a lot higher video resolution.
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