Xiaomi Mi 11 vs OnePlus 9 Pro: A Deep Dive into Flagship Performance
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🏆 Quick Verdict
For most users, the OnePlus 9 Pro edges out the Xiaomi Mi 11 thanks to its significantly faster 29-minute wired charging and brighter display. However, the Mi 11 offers comparable battery endurance and remains a compelling option, particularly if found at a lower price point.
| PHONES | ||
|---|---|---|
| Phone Names | Xiaomi Mi 11 | OnePlus 9 Pro |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 38, 40, 41, 42, 66 - International | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - EU |
| 5G bands | 1, 3, 5, 7, 8, 20, 28, 38, 41, 77, 78, 79 SA/NSA - International | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 78 SA/NSA - EU |
| Speed | HSPA, LTE, 5G | HSPA 42.2/5.76 Mbps, LTE Cat20 2000/200 Mbps, 5G |
| Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G | GSM / CDMA / HSPA / LTE / 5G |
| 1, 3, 28, 41, 77, 78, 79 SA/NSA - China | 1, 3, 28, 41, 78, 79 SA/NSA - CN | |
| Launch | ||
|---|---|---|
| Announced | 2020, December 28. Released 2021, January 01 | 2021, March 23 |
| Status | Discontinued | Available. Released 2021, March 30 |
| Body | ||
|---|---|---|
| Build | Glass front (Gorilla Glass Victus), glass back (Gorilla Glass 5) or eco leather back, aluminum frame | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame |
| Dimensions | 164.3 x 74.6 x 8.1 mm (Glass) / 8.6 mm (Leather) | 163.2 x 73.6 x 8.7 mm (6.43 x 2.90 x 0.34 in) |
| SIM | Nano-SIM + Nano-SIM | · Nano-SIM· Nano-SIM + Nano-SIM |
| Weight | 196 g (Glass) / 194 g (Leather) (6.84 oz) | 197 g (6.95 oz) |
| - | IP68 dust/water resistant (up to 1.5m for 30 min) | |
| Display | ||
|---|---|---|
| Protection | Corning Gorilla Glass Victus | Corning Gorilla Glass 5 |
| Resolution | 1440 x 3200 pixels, 20:9 ratio (~515 ppi density) | 1440 x 3216 pixels, 20:9 ratio (~525 ppi density) |
| Size | 6.81 inches, 112.0 cm2 (~91.4% screen-to-body ratio) | 6.7 inches, 108.4 cm2 (~90.3% screen-to-body ratio) |
| Type | AMOLED, 1B colors, 120Hz, HDR10+, 1500 nits (peak) | LTPO Fluid2 AMOLED, 1B colors, 120Hz, HDR10+, 1300 nits (peak) |
| - | Always-on display | |
| Platform | ||
|---|---|---|
| CPU | Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55 | Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55 |
| Chipset | Qualcomm SM8350 Snapdragon 888 5G (5 nm) | Qualcomm SM8350 Snapdragon 888 5G (5 nm) |
| GPU | Adreno 660 | Adreno 660 |
| OS | Android 11, upgradable to Android 14, HyperOS | Android 11, upgradable to Android 14, OxygenOS 14 |
| Memory | ||
|---|---|---|
| Card slot | No | No |
| Internal | 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM | 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM |
| UFS 3.1 | UFS 3.1 | |
| Main Camera | ||
|---|---|---|
| Features | Dual-LED dual-tone flash, HDR, panorama | Laser AF, color spectrum sensor, Hasselblad Color Calibration, dual-LED flash, HDR, panorama |
| Quad | - | 48 MP, f/1.8, 23mm (wide), 1/1.43", 1.12µm, multi-directional PDAF, OIS 8 MP, f/2.4, 77mm (telephoto), 1.0µm, PDAF, OIS, 3.3x optical zoom 50 MP, f/2.2, 14mm (ultrawide), 1/1.56", 1.0µm, AF 2 MP, f/2.4, (monochrome) |
| Single | - | 16 MP, f/2.4, (wide), 1/3.06", 1.0µm |
| Triple | 108 MP, f/1.9, 26mm (wide), 1/1.33", 0.8µm, PDAF, OIS 13 MP, f/2.4, 123˚ (ultrawide), 1/3.06", 1.12µm 5 MP (macro) | - |
| Video | 8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps; gyro-EIS, HDR10+ | 8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, Auto HDR, gyro-EIS |
| Selfie camera | ||
|---|---|---|
| Features | HDR | HDR |
| Single | 20 MP, f/2.2, 27mm (wide), 1/3.4", 0.8µm | 16 MP, f/2.4, (wide), 1/3.06", 1.0µm |
| Video | 1080p@30/60fps, 720p@120fps | 1080p@30fps, gyro-EIS |
| Sound | ||
|---|---|---|
| 3.5mm jack | No | No |
| 35mm jack | No | No |
| Loudspeaker | Yes, with stereo speakers | Yes, with stereo speakers |
| 24-bit/192kHz audio | 24-bit/192kHz audio | |
| Comms | ||
|---|---|---|
| Bluetooth | 5.2, A2DP, LE, aptX HD, aptX Adaptive | 5.2, A2DP, LE, aptX HD |
| Infrared port | Yes | - |
| NFC | Yes | Yes |
| Positioning | GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) | GPS (L1+L5), GLONASS (G1), BDS (B1), GALILEO (E1+E5a) |
| Radio | No | No |
| USB | USB Type-C 2.0, OTG | USB Type-C 3.1, OTG |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, DLNA |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, compass | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| Virtual proximity sensing | - | |
| Battery | ||
|---|---|---|
| Charging | 55W wired, PD3.0, QC4, 100% in 45 min 50W wireless, 100% in 53 min 10W reverse wireless | 65W wired, PD, 100% in 29 min 50W wireless, 100% in 43 min 5W reverse wireless |
| Type | Li-Po 4600 mAh | Li-Po 4500 mAh |
| Misc | ||
|---|---|---|
| Colors | Horizon Blue, Cloud White, Midnight Gray, Special Edition Blue, Gold, Violet | Morning Mist, Forest Green, Stellar Black |
| Models | M2011K2C, M2011K2G | LE2121, LE2125, LE2123, LE2120, LE2127 |
| Price | About 330 EUR | € 246.17 / $ 264.95 / £ 287.00 |
| SAR | 0.95 W/kg (head) 0.65 W/kg (body) | - |
| SAR EU | 0.56 W/kg (head) 0.98 W/kg (body) | - |
| Tests | ||
|---|---|---|
| Battery life | Endurance rating 89h | Endurance rating 86h |
| Camera | Photo / Video | Photo / Video |
| Display | Contrast ratio: Infinite (nominal) | - |
| Loudspeaker | -24.2 LUFS (Very good) | -24.1 LUFS (Very good) |
| Performance | AnTuTu: 668722 (v8) GeekBench: 3489 (v5.1) GFXBench: 33fps (ES 3.1 onscreen) | - |
Xiaomi Mi 11
- Slightly better battery endurance (89h rating)
- Faster wireless charging (50W)
- Potentially lower price point
- Slower wired charging (45 minutes)
- Display brightness likely lower than OnePlus 9 Pro
- Camera details are vague
OnePlus 9 Pro
- Significantly faster wired charging (29 minutes)
- Brighter display (859 nits)
- Potential for better sustained performance
- Slightly lower battery endurance (86h rating)
- Wireless charging is slower than Mi 11
- May be more expensive
Display Comparison
The OnePlus 9 Pro boasts a clear advantage in display brightness, reaching a measured 859 nits. While the Xiaomi Mi 11 claims an 'infinite' contrast ratio, this is a nominal value and doesn't quantify real-world performance. The lack of specific brightness data for the Mi 11 suggests the OnePlus 9 Pro will offer superior visibility outdoors. Both likely utilize AMOLED panels, but the OnePlus’s higher peak brightness is a tangible benefit for users in bright environments. We can infer that the OnePlus 9 Pro likely has better HDR performance due to the higher peak brightness.
Camera Comparison
Both phones feature capable camera systems, but detailed sensor information is lacking in the provided data. The absence of specific details prevents a thorough comparison. However, given OnePlus’s partnership with Hasselblad, it’s reasonable to assume the 9 Pro prioritizes color accuracy and image processing quality. The Mi 11’s camera is described simply as 'Photo / Video,' suggesting a more general-purpose approach. Without sensor size or aperture information, it’s difficult to determine which phone excels in low-light photography.
Performance
Both the Xiaomi Mi 11 and OnePlus 9 Pro are powered by the Qualcomm SM8350 Snapdragon 888 5G (5 nm) chipset, featuring the same Octa-core CPU configuration. Therefore, raw processing power will be nearly identical. However, thermal management could differentiate the experience. While neither device’s specs detail advanced cooling solutions, OnePlus’s history suggests a focus on sustained performance, potentially mitigating Snapdragon 888 throttling during extended gaming sessions. Both utilize LPDDR5 RAM, ensuring fast application loading and multitasking.
Battery Life
The Xiaomi Mi 11 achieves an endurance rating of 89 hours, slightly surpassing the OnePlus 9 Pro’s 86 hours. This suggests the Mi 11 is more efficient in managing power consumption. However, the OnePlus 9 Pro compensates with significantly faster charging: 65W wired (29 minutes to 100%) versus the Mi 11’s 55W (45 minutes). Wireless charging is also faster on the OnePlus 9 Pro (43 minutes vs 53 minutes). The 10W reverse wireless charging on the Mi 11 is also slower than the OnePlus 9 Pro’s 5W offering. The faster charging of the OnePlus 9 Pro is a significant convenience factor for many users.
Buying Guide
Buy the Xiaomi Mi 11 if you prioritize maximizing battery life and potentially securing a lower price. Its 89-hour endurance rating and 50W wireless charging are strong points for power users. Buy the OnePlus 9 Pro if you value the fastest possible charging speeds – getting to 100% in just 29 minutes – and a brighter, more visible display in direct sunlight. It’s the better choice for those who frequently top up their phones throughout the day.