| Global Score | |
| 77.8 | 83.2 |
| Basic Information | |
| Xiaomi | Asus |
| Android 11 | Android 12 |
| 2022-03-15 | 2022-09-19 |
| 6.01 x 2.75 x 0.32 inches | 6.81 x 3.03 x 0.41 inches |
| 6.21 ounces | 8.43 ounces |
| Blue, Grey and Purple | Space Gray |
| Aluminum and Glass | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.3 inches | 6.8 inches |
| 2400 x 1080 pixels | 2448 x 1080 pixels |
| AMOLED | AMOLED |
| 418 pixels per inch | 393 pixels per inch |
| 1100 cd/m2 brightness | 1200 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.9 | 8.9 |
| Performance | |
| Qualcomm Snapdragon 870 SM8250-AC (7 nm) chipset | MediaTek Dimensity 9000+ (4 nm) chipset |
| processor | processor |
| 8 GB RAM | 16 GB RAM |
| Adreno 650 GPU | Mali-G710 MC10 GPU |
| 6.21 | 6.3 |
| Storage | |
| 128 GB internal memory | 512 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 17.6 |
| Camera | |
| 50.00 MP + 32.00 MP | 50.00 MP + 12.00 MP |
| f/1.90 aperture | f/1.90 aperture |
| 50.00mm focal length | -- |
| -- | 0.64 inches (1/1.56") sensor |
| 7680 x 4320 (24 fps) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 11.88 | 12.43 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | 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 | 10.6 |
| Battery Life | |
| 4500mAh Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 7.52 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.3 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
The Asus ROG Phone 6D Ultimate has a global score of 83.2, which is a bit better than the Xiaomi 12X's 77.8 general score. Both devices in this review use Android operating system, but Asus ROG Phone 6D Ultimate has a newer 12 version while Xiaomi 12X has Android 11, so it gives you some nice extra features. Although it's the best phone in our current comparison, we must note that it is also extremely heavier and incredibly thicker.
The Xiaomi 12X and the Asus ROG Phone 6D Ultimate count with very similar screens, because although the Asus ROG Phone 6D Ultimate has a little bit lower pixel density, it also counts with a little bit brighter screen, a little bit larger screen and a bit higher resolution of 1080 x 2448px. The Asus ROG Phone 6D Ultimate features a little better processing power than Xiaomi 12X, and although they both have a Octa-Core CPU, the Asus ROG Phone 6D Ultimate also has more RAM memory.
The Asus ROG Phone 6D Ultimate has a much better storage capacity to install games and applications than Xiaomi 12X, because it has more internal storage. Asus ROG Phone 6D Ultimate counts with greater battery lifetime than Xiaomi 12X, because it has 6000mAh of battery capacity. Asus ROG Phone 6D Ultimate captures just a bit better pictures and videos than Xiaomi 12X. Both of them have the same video frame rate, the same 7680x4320 video resolution, a F1.9 aperture and the same resolution camera in the back.
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