Xiaomi Mi 11i vs Oppo Realme 9 Pro Plus
Here we compared two smartphones: the 6.67-inch Xiaomi Mi 11i (with Qualcomm Snapdragon 888) that was released on March 29, 2021, against the Oppo Realme 9 Pro Plus, which is powered by MediaTek Dimensity 920 and came out 11 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the gadgets.
Key differences
Reasons to consider the Xiaomi Mi 11i
- Water-resistant body (IP53 classification)
- 58% better performance in AnTuTu Benchmark (796K versus 505K)
- Higher display refresh rate – 120 Hz
- Delivers 54% higher peek brightness (937 against 610 nits)
- Uses a faster type of memory: LPDDR5 2750 MHz
- Faster storage type - UFS 3.1 versus UFS 2.2
- 35% faster in single-core GeekBench 5 test: 1106 and 819 points
- Has a built-in infrared port
Reasons to consider the Oppo Realme 9 Pro Plus
- Shows 17% longer battery life (33:03 vs 28:12 hours)
- Optical image stabilization
- The phone is 11-months newer
- Reverse charging feature
- Includes a 3.5 mm headphone audio jack port
Review
Display
Screen quality, color accuracy, brightness
Performance
CPU/GPU performance in apps and games
Battery
Battery life, charging type and speed
Camera
Photo and video recording quality
Connectivity
Networks, ports, data transmission
NanoReview score
Final comparison evaluation
Value for money
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Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | Super AMOLED | Super AMOLED |
| Size | 6.67 inches | 6.4 inches |
| Resolution | 1080 x 2400 pixels | 1080 x 2400 pixels |
| Aspect ratio | 20:9 | 20:9 |
| PPI | 395 ppi | 411 ppi |
| Refresh rate | 120 Hz | 90 Hz |
| Max rated brightness | 500 nits | 450 nits |
| Max rated brightness in HDR | 1300 nits | 600 nits |
| HDR support | Yes, HDR10+ | Yes, HDR10 |
| Screen protection | Corning Gorilla Glass 5 | Corning Gorilla Glass 5 |
| Screen-to-body ratio | 85.9% | 84.2% |
| Display features | - DCI-P3 - Always-On Display - DC Dimming |
- DCI-P3 - Always-On Display - DC Dimming |
| RGB color space | 96.6% | 95.9% |
| PWM | 500 Hz | 218 Hz |
| Response time | 2.6 ms | 9 ms |
| Contrast | ∞ Infinity | ∞ Infinity |
Peak brightness test (auto)
Design and build
| Height | 163.7 mm (6.44 inches) | 160.2 mm (6.31 inches) |
| Width | 76.4 mm (3.01 inches) | 73.3 mm (2.89 inches) |
| Thickness | 7.8 mm (0.31 inches) | 7.99 mm (0.31 inches) |
| Weight | 196 gramm (6.91 oz) | 182 gramm (6.42 oz) |
| Waterproof | IP53 | No |
| Rear material | Glass | Glass |
| Frame material | Plastic | Plastic |
| Colors | White, Black, Silver | Black, Blue, Green |
| Fingerprint scanner | Yes, in home button | Yes, in-display |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 888 | MediaTek Dimensity 920 |
| Max. clock | 2840 MHz | 2500 MHz |
| CPU cores | 8 (1 + 3 + 4) | 8 (2 + 6) |
| Architecture | - 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) |
- 6 cores at 2 GHz: Cortex-A55 - 2 cores at 2.5 GHz: Cortex-A78 |
| L3 cache | 4 MB | 2 MB |
| Lithography process | 5 nanometers | 6 nanometers |
| Graphics | Adreno 660 | Mali-G68 MC4 |
| GPU clock | 840 MHz | 950 MHz |
| FLOPS | ~1720 GFLOPS | ~684 GFLOPS |
| RAM size | 6, 8 GB | 6, 8 GB |
| Memory type | LPDDR5 | LPDDR4X |
| Memory clock | 2750 MHz | 2133 MHz |
| Channels | 2 | 2 |
| Storage size | 128, 256 GB | 128, 256 GB |
| Storage type | UFS 3.1 | UFS 2.2 |
| Memory card | No | No |
Benchmarks
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
AnTuTu Benchmark 9
| CPU | 201121 | 137857 |
| GPU | 316401 | 140090 |
| Memory | 123476 | 100175 |
| UX | 155182 | 127716 |
| Total score | 796107 | 505368 |
3DMark Wild Life Performance
| Stability | - | 99% |
| Graphics test | 33 FPS | 13 FPS |
| Graphics score | 5600 | 2295 |
| PCMark 3.0 score | 12839 | 11060 |
Software
| Operating system | Android 11 (Can be upgraded to Android 12) | Android 12 |
| ROM | MIUI 13 | Realme UI 3.0 |
| OS size | 25.4 GB | 15 GB |
Battery
| Capacity | 4520 mAh | 4500 mAh |
| Charge power | 33 W | 60 W |
| Battery type | Li-Ion | Li-Po |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | No | Yes |
| Fast charging | Yes (70% in 30 min) | Yes (77% in 30 min) |
| Full charging time | 0:52 hr | 0:49 hr |
| Web browsing | 09:35 hr | 12:29 hr |
| Watching video | 13:27 hr | 14:47 hr |
| Gaming | 05:21 hr | 05:58 hr |
| Standby | 87 hr | 96 hr |
General battery life
Camera
| Matrix | 108 megapixels | 50 megapixels |
| Image resolution | 12032 x 9204 | 8700 x 5800 |
| Zoom | Digital | Digital |
| Flash | LED | LED |
| Stabilization | Digital | Optical |
| 8K video recording | Up to 30FPS | No |
| 4K video recording | Up to 60FPS | Up to 30FPS |
| 1080p video recording | Up to 60FPS | Up to 60FPS |
| Slow motion | 960 FPS (1080p) | 960 FPS (720p) |
| Angle of widest lens | 119° | 119° |
| Lenses | 3 (108 MP + 8 MP + 5 MP) | 3 (50 MP + 8 MP + 4 MP) |
| Wide (main) lens | - 108 MP - Aperture: f/1.8 - Focal length: 26 mm - Pixel size: 0.7 micron - Sensor: 1/1.52", Samsung S5KHM2 (ISOCELL Plus CMOS) - Phase autofocus |
- 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 | - 8 MP - Aperture: f/2.2 - Pixel size: 1.12 micron - Sensor: 1/4.0", Sony IMX355 (Exmor-RS CMOS) |
- 8 MP - Aperture: f/2.2 - Focal length: 16 mm - Pixel size: 1.14 micron - Sensor: 1/2.8", Sony IMX355 (Exmor-RS CMOS) |
| Macro lens | - 5 MP - Aperture: f/2.4 - Focal length: 50 mm - Pixel size: 1.12 micron - Sensor: 1/5.0", Samsung S5K5E9 (ISOCELL CMOS) |
- 4 MP - Aperture: f/2.4 - Focal length: 21.8 mm - Pixel size: 1.75 micron - Sensor: 1/5", GalaxyCore GC02M1 (CMOS) |
| Camera features | - Bokeh mode - Pro mode |
- Bokeh mode - Pro mode - RAW support |
| Samples | Photo samples of Xiaomi Mi 11i from DxOMark | - |
| Megapixels | 20 megapixels | 16 megapixels |
| Image resolution | 4608 x 3456 | 4920 x 3264 |
| Aperture | f/2.5 | f/2.4 |
| Focal length | 26 mm | 27 mm |
| Pixel size | 0.8 microns | 1 microns |
| Sensor type | ISOCELL CMOS | Exmor-RS CMOS |
| Sensor size | 1/3.4" | 1/3.13" |
| Video resolution | 1080p (Full HD) at 30 FPS | 1080p (Full HD) at 30 FPS |
DxOMark camera tests
Photo quality
Video quality
Generic camera score
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 Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Dual Band - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5.2 | 5.2 |
| Bluetooth features | LE, HID, A2DP | 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, QZSS, NAVIC | GPS, GLONASS, Beidou, Galileo |
| NFC* | Yes | Depends on the region |
| Infrared port | Yes | No |
| Number of SIM* | 2 | 2 |
| Type of SIM card | Nano | Nano |
| Multi SIM mode | Standby | Standby |
| eSIM support* | No | No |
| Hybrid slot | No | No |
| LTE Cat* | 24 | - |
| 5G support | Yes | Yes |
Sound
| Speakers | Stereo | Stereo |
| Headphone audio jack | No | Yes |
| FM radio | No | No |
| Dolby Atmos | Yes | Yes |
Speakers test
Max. loudness
Other
| Category | Flagship | Mid-range |
| Announced | March 2021 | February 2022 |
| Release date | May 2021 | February 2022 |
| SAR (head) | 0.57 W/kg | - |
| SAR (body) | 0.77 W/kg | - |
| Sensors | - Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Conclusion
If the display, performance, software, and design are more important to you, then choose the Xiaomi Mi 11i. But if the battery life and sound are more of a priority – go for the Oppo Realme 9 Pro Plus.
Cast your vote
Total votes: 55