Xiaomi 12X vs OnePlus 9RT
71
out of 100
VS
72
out of 100
Here we compared two flagship smartphones: the 6.28-inch Xiaomi 12X (with Qualcomm Snapdragon 870) that was released on December 28, 2021, against the OnePlus 9RT, which is powered by Qualcomm Snapdragon 888 5G and came out 3 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.
Key differences
Reasons to consider the Xiaomi 12X
- Slow-motion recording at 960FPS
- Weighs 22.5 grams less
- Has a built-in infrared port
Reasons to consider the OnePlus 9RT
- Newer Bluetooth version (v5.2)
- Has a 0.34 inch larger screen size
- 13% better performance in AnTuTu Benchmark (776K versus 685K)
- More energy-efficient CPU – Snapdragon 888 5G
Review
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
Choose the importance of each parameter to more accurately identify the smartphone that best meets your particular needs.
Value for money
You can enter your local prices of these phones (in USD or other currency) and click on the "Calculate" button to see which one has a better value for money.
Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | AMOLED | AMOLED |
| Size | 6.28 inches | 6.62 inches |
| Resolution | 1080 x 2400 pixels | 1080 x 2400 pixels |
| Aspect ratio | 20:9 | 20:9 |
| PPI | 419 ppi | 397 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Adaptive refresh rate | No | No |
| Max rated brightness | 500 nits | 500 nits |
| Max rated brightness in HDR | 1100 nits | 1300 nits |
| HDR support | Yes, HDR10+ | Yes, HDR10+ |
| Screen protection | Gorilla Glass Victus | Corning Gorilla Glass 5 |
| Screen-to-body ratio | 89.2% | 87.9% |
| Display features | - DCI-P3 - Always-On Display - DC Dimming |
- DCI-P3 - Always-On Display |
| RGB color space | 98.6% | - |
| PWM | 523 Hz | - |
| Response time | 1 ms | - |
| Contrast | ∞ Infinity | - |
Peak brightness test (auto)
Design and build
| Height | 152.7 mm (6.01 inches) | 162.2 mm (6.39 inches) |
| Width | 69.9 mm (2.75 inches) | 74.6 mm (2.94 inches) |
| Thickness | 8.16 mm (0.32 inches) | 8.3 mm (0.33 inches) |
| Weight | 176 g (6.21 oz) | 198.5 g (7 oz) |
| Waterproof | No | No |
| Rear material | Glass | Glass |
| Frame material | Metal | Metal |
| Colors | Black, Blue, Pink | Black, Silver, Blue |
| Fingerprint scanner | Yes, in-display | Yes, in-display |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 870 | Qualcomm Snapdragon 888 5G |
| Max clock | 3200 MHz | 2840 MHz |
| CPU cores | 8 (1 + 3 + 4) | 8 (1 + 3 + 4) |
| Architecture | - 4 cores at 1.8 GHz: Kryo 585 Silver (Cortex-A55) - 3 cores at 2.42 GHz: Kryo 585 Gold (Cortex-A77) - 1 core at 3.2 GHz: Kryo 585 Prime (Cortex-A77) |
- 4 cores at 1.8 GHz: Kryo 680 Silver (Cortex-A55) - 3 cores at 2.42 GHz: Kryo 680 Gold (Cortex-A78) - 1 core at 2.84 GHz: Kryo 680 Prime (Cortex-X1) |
| L3 cache | 4 MB | 4 MB |
| Lithography process | 7 nanometers | 5 nanometers |
| Graphics | Adreno 650 | Adreno 660 |
| GPU clock | 670 MHz | 840 MHz |
| FLOPS | ~1372 GFLOPS | ~1720 GFLOPS |
Benchmarks
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
AnTuTu Benchmark 9
| CPU | 185270 | 194285 |
| GPU | 242268 | 322095 |
| Memory | 108952 | 121967 |
| UX | 148511 | 137091 |
| Total score | 685468 | 776230 |
3DMark Wild Life Performance
| Max surface temperature | 37.6 °C | - |
| Stability | 98% | 66% |
| Graphics test | 25 FPS | 34 FPS |
| Graphics score | 4261 | 5818 |
Memory
| RAM size | 8, 12 GB | 8, 12 GB |
| Memory type | LPDDR5 | LPDDR5 |
| Memory clock | - | 2750 MHz |
| Channels | 2 | 4 |
| Storage size | 128, 256 GB | 128, 256 GB |
| Storage type | UFS 3.1 | UFS 3.1 |
| Memory card | No | No |
Software
| Operating system | Android 11 (Can be upgraded to Android 13) | Android 12 (Can be upgraded to Android 13) |
| ROM | MIUI 14 | OxygenOS 13 |
| OS size | 29.3 GB | - |
Battery
| Capacity | 4500 mAh | 4500 mAh |
| Max charge power | 67 W | 65 W |
| Battery type | Li-Po | Li-Po |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | No | No |
| Fast charging | Yes (78% in 30 min) | Yes (50% in 15 min) |
| Full charging time | 0:48 hr | 0:38 hr |
| Web browsing | 13:05 hr | - |
| Watching video | 16:44 hr | - |
| Gaming | 05:31 hr | - |
| Standby | 104 hr | - |
General battery life
Camera
| Matrix | 50 megapixels | 50 megapixels |
| Image resolution | 8700 x 5800 | 8700 x 5800 |
| Zoom | Digital | Digital |
| Flash | Dual LED | Dual LED |
| Stabilization | Optical | Optical |
| 8K video recording | Up to 24FPS | No |
| 4K video recording | Up to 60FPS | Up to 60FPS |
| 1080p video recording | Up to 60FPS | Up to 60FPS |
| Slow motion | 960 FPS (720p) | 480 FPS (720p) |
| Angle of widest lens | 123° | 123° |
| Lenses | 3 (50 MP + 13 MP + 5 MP) | 3 (50 MP + 16 MP + 2 MP) |
| Wide (main) lens | - 50 MP - Aperture: f/1.9 - Focal length: 26 mm - Pixel size: 1 micron - Sensor: 1/1.56", Sony IMX766 (Exmor-RS CMOS) - Phase autofocus (Dual Pixel) - Optical stabilization |
- 50 MP - Aperture: f/1.8 - Focal length: 24 mm - Pixel size: 1 micron - Sensor: 1/1.56", Sony IMX766 (Exmor-RS CMOS) - Phase autofocus - Optical stabilization |
| Ultra-wide lens | - 13 MP - Aperture: f/2.4 - Pixel size: 1.12 micron - Sensor: 1/3.06", OmniVision OV13B10 (CMOS) |
- 16 MP - Aperture: f/2.2 - Focal length: 14 mm - Pixel size: 1 micron - Sensor: 1/3.09", Sony IMX481 (Exmor-RS CMOS) - Phase autofocus |
| Macro lens | - 5 MP - Aperture: f/2.4 - Focal length: 50 mm - Pixel size: 1.12 micron - Phase autofocus - Optical stabilization |
- 2 MP - Aperture: f/2.4 |
| Camera features | - Bokeh mode - Pro mode |
- Bokeh mode - Pro mode - RAW support |
| Megapixels | 32 megapixels | 16 megapixels |
| Image resolution | 6528 x 4896 | 4920 x 3264 |
| Aperture | f/2.4 | f/2.0 |
| Focal length | 26 mm | - |
| Pixel size | 0.7 microns | 1 microns |
| Sensor type | CMOS | CMOS |
| Sensor size | 1/3" | 1/3.06" |
| Video resolution | 1080p (Full HD) at 60 FPS | 1080p (Full HD) at 30 FPS |
Connectivity
| Wi-Fi standard | Wi-Fi 6 (802.11 a/b/g/n/ac/ax) | Wi-Fi 6 (802.11 a/b/g/n/ac/ax) |
| Wi-Fi features | - Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5.1 | 5.2 |
| Bluetooth features | LE | LE, A2DP |
| USB type | USB Type-C | USB Type-C |
| USB version | 2 | 2 |
| USB features | - Charging - USB-Storage mode - OTG |
- Charging - USB-Storage mode - OTG |
| GPS | GPS, GLONASS, Beidou, Galileo, NAVIC | GPS, GLONASS, Beidou, Galileo |
| NFC* | Depends on the region | Yes |
| Infrared port | Yes | No |
| Number of SIM* | 2 | 2 |
| Type of SIM card | Nano | Nano |
| Multi SIM mode | Standby | Standby |
| eSIM support* | - | No |
| Hybrid slot | No | No |
| LTE Cat* | - | 20 |
| 5G support | Yes | Yes |
Sound
| Speakers | Stereo | Stereo |
| Headphone audio jack | No | No |
| FM radio | No | No |
| Dolby Atmos | Yes | Yes |
Speakers test
Max loudness
Other
| Category | Flagship | Flagship |
| Announced | December 2021 | October 2021 |
| Release date | December 2021 | October 2021 |
| Sensors | - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
| Bundled charger | Yes, 67 W | Yes, 65 W |
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Conclusion
If the performance, gaming, and battery life are more important to you, then choose the OnePlus 9RT. But if the camera is more of a priority – go for the Xiaomi 12X.
Cast your vote
Total votes: 326