Compare phones
| Global Score | |
| 81.5 | 80.6 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 13 | Android 14 |
| -- | 2024-10-29 |
| 6.43 x 3.07 x 0.35 inches | 6.00 x 2.80 x 0.32 inches |
| -- | 6.67 ounces |
| Aluminum and Glass | Glass |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.8 inches | 6.4 inches |
| 3080 x 1440 pixels | 2670 x 1200 pixels |
| Dynamic AMOLED | OLED |
| 500 pixels per inch | 457 pixels per inch |
| -- | 3200 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 10.2 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 2 (4 nm) chipset | Snapdragon 8 Elite SM8750-AB (3 nm) chipset |
| processor | processor |
| 8 GB RAM | 12 GB RAM |
| Adreno 740 GPU | Adreno 830 GPU |
| 6.21 | 6.21 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 13.3 |
| Camera | |
| 200.00 MP + 40.00 MP | 50.00 MP + 32.00 MP |
| f/1.70 aperture | f/1.60 aperture |
| 69.00mm focal length | 23.00mm focal length |
| 0.77 inches (1/1.3") sensor | -- |
| -- | 7680 x 4320 (30 fps) video resolution |
| -- | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 12.43 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G |
| Nano SIM | Nano SIM |
| 10.6 | 7 |
| Battery Life | |
| 5000mAh Battery | 5400mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.8 | 7.12 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.4 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass and Gyroscope |
Comparison review
The Galaxy S23 Ultra has a global score of 81.5, which is a bit better than the Xiaomi 15's 80.6 score. Galaxy S23 Ultra is a just a bit thicker but lighter cellphone than the Xiaomi 15. Both phones in this comparison work with Android OS (Operating System), but Galaxy S23 Ultra has the older 13 version and Xiaomi 15 has Android 14 version.
The Galaxy S23 Ultra and the Xiaomi 15 feature very similar processing units, and although the Xiaomi 15 has 4 GB more RAM, they both have the same number of cores. Xiaomi 15 features an incredibly better looking display than Galaxy S23 Ultra, although it has a bit worse resolution of 1200 x 2670 pixels, a little inferior amount of pixels per inch of screen and a bit smaller screen.
Samsung Galaxy S23 Ultra captures a little bit better videos and photos than Xiaomi 15, because although it has a tinier camera aperture which is not good for shooting images and video in low-light situations, it also counts with a lot more mega-pixels camera. Xiaomi 15 counts with much more memory to install games and applications than Galaxy S23 Ultra, because it has 128 GB more internal storage.
Xiaomi 15 has just a bit longer battery life than Galaxy S23 Ultra, because it has a 5400mAh battery size against 5000mAh.
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