Compare phones
| Global Score | |
| 72 | 80.1 |
| Basic Information | |
| Xiaomi | |
| Android 11 | Android 15 |
| 2021-04-28 | -- |
| 6.40 x 2.94 x 0.33 inches | -- |
| 6.53 ounces | -- |
| Supersonic Black and Supersonic blue | -- |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 2400 x 1080 pixels | -- |
| IPS LCD | AMOLED |
| 405 pixels per inch | -- |
| 600 cd/m2 brightness | 3000 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.6 | 5 |
| Performance | |
| MediaTek Dimensity 700 MT6833V chipset | Qualcomm Snapdragon 8 Elite SM8750-AB (4 nm) chipset |
| Cortex-A76, 64-bit, 7 nm (Octa-Core 2200 MHz) processor | processor |
| 4 GB RAM | 16 GB RAM |
| Mali-G57 GPU | Adreno 830 GPU |
| 9.18 | 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 | |
| 48.00 MP + 16.00 MP | 200.00 MP + 32.00 MP |
| f/1.80 aperture | -- |
| 26.00mm focal length | -- |
| 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 |
| 10.56 | 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, Dual SIM | Nano SIM |
| 10.6 | 7.6 |
| Battery Life | |
| 5000mAh Li - Polymer 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 |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xiaomi 15 Ultra (Rumored) is better than the realme 8 5G, getting an 80.1 score against 72. Both phones we compare here have Android OS (operating system), but Xiaomi 15 Ultra (Rumored) has 15 version while realme 8 5G has Android 11, so it offers some extra features. Xiaomi 15 Ultra (Rumored)'s body is noticeably lighter and notably thinner than the realme 8 5G.
The realme 8 5G counts with a much better display than Xiaomi 15 Ultra (Rumored), although it has a little smaller display and much lower brightness. The Xiaomi 15 Ultra (Rumored) counts with more storage to install applications and games or saving photos and videos than realme 8 5G, because although it has no external SD slot, it also counts with more internal memory capacity.
The realme 8 5G counts with a much powerful processing unit than Xiaomi 15 Ultra (Rumored), although it has a smaller amount of RAM memory, they both have a Octa-Core processor. The Xiaomi 15 Ultra (Rumored) counts with a greater camera than realme 8 5G, because it has a lot better video resolution and a back-facing camera with a lot better resolution.
The Xiaomi 15 Ultra (Rumored) has superior battery performance than realme 8 5G, because it has 6000mAh of battery capacity.
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