OnePlus 9 vs Xiaomi Redmi Note 11 Pro - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 9
OnePlus 9
Oneplus

General

Launch Date March 26, 2021 February 18, 2022
Release Year 2021 2022

Physical

Volume 103.29 cm³ 101.21 cm³
Screen Size to Weight Ratio 3.41 "/g 3.3 "/g
Weight 192 g 202 g
Height 160 mm 164.2 mm
Width 74.2 mm 76.1 mm
Thickness 8.7 mm 8.1 mm
Foldable Design No No
Available Colors
  • Winter Mist
  • Arctic Sky
  • Astral Black
  • Star Blue
  • Graphite Gray (Stealth Black)
  • Polar White (Phantom White)

Display

Screen Size 6.55 " 6.67 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 87.2 % 86 %
Pixel Density 402 PPI 395 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A 700 nits
HBM Brightness N/A N/A
Peak Brightness 1100 nits 1200 nits

Hardware

Battery Capacity per Screen Area 104.89 mAh/in² 112.39 mAh/in²
Battery Density 43.57 mAh/cm³ 49.4 mAh/cm³
Battery Capacity 4500 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Mediatek MT6781 Helio G96 (12 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Adreno 660 Mali-G57 MC2

Connectivity

USB Version 3.1 2.0
OTG Support 1 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 3.1, OTG USB Type-C 2.0, OTG

Software

Operating System Android Android
Initial OS Version 11 11
Maximum OS Version 13

Comparison Summary

Smartphone Comparison: OnePlus 9 vs. Xiaomi Redmi Note 11 Pro

1. Specifications Comparison

FeatureOnePlus 9Xiaomi Redmi Note 11 ProPractical Impact
Design
Dimensions160 × 74.2 × 8.7 mm164.2 × 76.1 × 8.1 mmRedmi Note 11 Pro is slightly taller and wider, OnePlus 9 is thicker. Impact on hand feel is minor, but might affect one-handed use.
Weight192g202gOnePlus 9 is slightly lighter, which is beneficial for longer use.
Display
Size6.55"6.67"Xiaomi Redmi Note 11 Pro offers a slightly larger viewing area, beneficial for media consumption.
Resolution1080x24001080x2400Identical sharpness on both displays; differences are not noticeable.
Pixel Density402 PPI395 PPIPractically no difference in sharpness.
TechnologyAMOLEDAMOLEDBoth offer vibrant colors, deep blacks, and good contrast.
Refresh Rate120Hz120HzBoth provide smooth scrolling and animations.
Brightness1100 nits1200 nitsXiaomi Redmi Note 11 Pro has a slightly brighter screen, better for outdoor use in sunlight.
Performance
ChipsetQualcomm Snapdragon 888 5G (5 nm)Mediatek Helio G96 (12 nm)OnePlus 9 has a much more powerful flagship-level processor, providing superior performance for gaming, multitasking, and demanding apps.
AnTuTu Score880,900405,259OnePlus 9 is significantly faster, with over double the score, indicating superior processing power for demanding tasks.
GPUAdreno 660Mali-G57 MC2OnePlus 9 has a more capable GPU, providing a better gaming experience with higher frame rates and smoother graphics.
Camera
Standard Camera48MP, f/1.79, 1/1.4" sensor108MP, f/1.9, 1/1.52" sensorRedmi Note 11 Pro has higher megapixel count, but OnePlus 9 has larger sensor and wider aperture, which could mean better low-light performance.
Selfie Camera16MP, f/2.4, 1/3.13" sensor16MP, f/2.4, 1/3.06" sensorSimilar selfie camera performance, with minor differences in sensor size.
Wide Angle Lens50MP, f/2.2, 1/1.56" sensor8MP, f/2.2, 1/2.8" sensorOnePlus 9 has much higher resolution and larger sensor for better wide-angle photos.
Macro LensNot present2MP, f/2.4, 1/5" sensorXiaomi Redmi Note 11 Pro has a dedicated macro lens for close-up shots, whereas the OnePlus 9 lacks this.
Black & White Lens2MP, f/2.4Not PresentOnePlus 9 has a dedicated black and white lens.
Video RecordingUp to 8K@30fps, 4K@60fpsUp to 1080p@30fpsOnePlus 9 offers significantly higher resolution video recording capabilities, suitable for professional-level recording.
Video FeaturesHDR, EIS, Slow MotionEIS, Slow MotionOnePlus 9 offers more advanced video features and options.
DxOMark (Mobile)Not testedOverall: 78, Photo: 81, Video: 85Redmi Note 11 Pro has been tested by DxOMark; however, OnePlus 9 is not tested yet
Battery
Capacity4500mAh5000mAhRedmi Note 11 Pro has a larger battery, likely offering longer battery life.
Charging65W Fast Charging, 15W Wireless67W Fast ChargingXiaomi Redmi Note 11 Pro has slightly faster-wired charging. OnePlus 9 offers 15W wireless charging.
Other
Operating SystemAndroid 11, Max Version 13Android 11OnePlus 9 has a higher max android version
WiFiWi-Fi 6 (802.11ax)Wi-Fi 5 (802.11ac)OnePlus 9 supports Wi-Fi 6, offering faster speeds and better performance on compatible networks.
RAM8 GB or 12 GB6 GB or 8 GBOnePlus 9 has options for more RAM, beneficial for multitasking and gaming.
Internal Storage128 GB or 256 GB64 GB or 128 GB or 256 GBBoth offer ample storage options with the same maximum capacity, but the Redmi Note 11 Pro starts at 64 GB.
Expandable StorageNoNoNeither phone supports expandable storage.
AudioDolby Atmos, Stereo Speakers, 3 microphonesDolby Atmos, Hi-Res Audio, Stereo Speakers, 2 microphonesOnePlus 9 has noise-cancelling microphone and more microphones which could improve call quality and audio recording. Xiaomi Redmi Note 11 Pro features Hi-Res Audio.
Fingerprint SensorBasicSide-MountedXiaomi Redmi Note 11 Pro has a more convenient and modern side-mounted fingerprint sensor.
Screen ProtectionCorning Gorilla Glass 5Corning Gorilla Glass 5Both phones have the same level of screen protection.
SensorsFingerprint, Proximity, Accelerometer, Compass, GyroscopeFingerprint, Accelerometer, Compass, Gyroscope, Ultrasonic proximity virtualBoth phones are rich in sensors, OnePlus 9 has a standard proximity sensor, where the Redmi Note 11 Pro has an Ultrasonic proximity sensor.

2. Key Differences Analysis

OnePlus 9 Advantages:

  • Superior Performance: Flagship Snapdragon 888 chipset delivers significantly faster processing and gaming performance compared to the Helio G96.
  • Better Camera System: Larger sensor and wider aperture on the main camera, combined with a much more capable wide-angle lens, result in better photo quality, especially in low light. Higher video recording capabilities up to 8K.
  • Faster Wi-Fi: Supports Wi-Fi 6, offering faster speeds and better network performance.
  • Wireless Charging: Offers 15W wireless charging, providing more convenient charging options.
  • More Ram: Comes with more RAM options, making multitasking more smoother.
  • Better Audio Recording: Enhanced microphone setup for clearer calls and audio recordings.
  • GPS Offers more GPS satellite systems for improved location accuracy.
  • Software Support: Comes with a higher max Android version.

Xiaomi Redmi Note 11 Pro Advantages:

  • Larger Battery: 5000mAh battery offers longer battery life for extended usage.
  • Slightly Brighter Display: 1200 nits brightness enhances outdoor visibility.
  • Dedicated Macro Lens: Provides a macro lens for close-up photography.
  • Faster Wired Charging: Offers slightly faster 67W wired charging.
  • Hi-Res Audio The presence of Hi-Res Audio technology enhances the quality of audio playback.
  • Side-Mounted Fingerprint Sensor: More convenient and modern sensor placement.

Trade-offs:

  • OnePlus 9: Sacrifices some battery life and does not include a macro lens, in favor of higher performance and a better camera.
  • Xiaomi Redmi Note 11 Pro: Sacrifices performance and camera quality for longer battery life and a dedicated macro lens.
  • Software: The OnePlus 9 is able to update to Android 13, but Xiaomi Redmi Note 11 Pro is not.

3. User Profiles & Recommendations

OnePlus 9 Ideal User:

  • Power Users: Those who need a fast and responsive phone for heavy multitasking, gaming, and demanding apps.
  • Photography Enthusiasts: Users who prioritize high-quality photos and videos, especially in low light, and want a versatile wide-angle lens.
  • Media Consumption: Benefit from a high-quality display and Wi-Fi 6.
  • Those wanting a higher level of software support.
  • Those wanting wireless charging.

Xiaomi Redmi Note 11 Pro Ideal User:

  • Budget-Conscious Users: Those who seek a reliable phone with a good display and long battery life at a more affordable price point.
  • Casual Photographers: Users who mainly take general photos, but occasionally want to take close-up macro shots.
  • Battery Life Prioritizers: Users who prioritize all-day battery life.
  • Users who prefer side-mounted fingerprint scanners.

Use Cases:

  • OnePlus 9: Ideal for high-end mobile gaming, professional photography, video editing, and resource-intensive tasks.
  • Xiaomi Redmi Note 11 Pro: Well-suited for everyday use, social media, streaming, browsing, and users who need long battery life without frequent charging.

4. Decision Framework

Key Questions:

  1. How important is performance? If you need a very fast phone for demanding tasks and gaming, the OnePlus 9 is the clear choice.
  2. How crucial is battery life? If you need the best possible battery life, the Redmi Note 11 Pro has a larger capacity.
  3. What is your budget? If budget is a main concern, the Xiaomi Redmi Note 11 Pro is more affordable.

Scenario-Based Recommendations:

  • Scenario 1: High-Performance Gaming & Photography: Choose the OnePlus 9. Its superior performance and better camera system make it the ideal choice.
  • Scenario 2: Budget-Conscious with Long Battery Life Focus: Choose the Xiaomi Redmi Note 11 Pro. It offers long battery life and good display quality at a more affordable price.
  • Scenario 3: Balanced User with occasional gaming and photography: Consider the OnePlus 9. It provides a significant performance boost without compromising too much battery life.
  • Scenario 4: A user who wants software support for a longer period of time: Consider the OnePlus 9.

What I Would Choose and Why

I would choose the OnePlus 9.

Here's why:

  1. Performance is Paramount: As someone who uses their phone for more than just basic tasks, the significantly faster Snapdragon 888 chipset in the OnePlus 9 is a crucial advantage. It ensures smooth multitasking, faster app loading times, and a better gaming experience. This difference in performance is not marginal; it's a leap that improves the overall user experience daily.
  2. Camera Versatility: While the Redmi Note 11 Pro boasts a higher megapixel count in its main camera, the larger sensor, wider aperture, and far superior wide-angle lens of the OnePlus 9 would make a real-world impact in photo quality, especially in low light conditions, which I encounter often. This is also beneficial for a wider range of photos. Also, the 8K recording feature would future proof video recording capabilities.
  3. Wireless Charging: Having the option to charge wirelessly is very convenient, allowing me to charge the phone without plugging it in every time.
  4. Software Support: Having the ability to update to a newer version of android makes the device more futureproof.
  5. Balanced Trade-offs: Although the Redmi Note 11 Pro offers longer battery life, the OnePlus 9 still provides a full day's charge for typical usage, especially with its faster charging. I am willing to trade some battery life for better performance and camera quality. The lack of a dedicated macro lens is acceptable to me because it is not my primary concern for the camera.
  6. GPS & WiFi: The additional support for satellite systems for GPS and the inclusion of WiFi 6 make the device more practical for daily use.

In summary, the OnePlus 9's strengths in performance, camera quality, wireless charging, and software support outweigh the slightly longer battery life and macro lens of the Redmi Note 11 Pro, making it the more practical choice for my needs.

Emily Harper
Emily Harper

Technology Insights Specialist

Dedicated technology writer specializing in mobile device analysis and technology communication. Expert at translating complex smartphone features into clear, actionable insights for diverse audiences.

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Bridging technical complexity with engaging, accessible narratives.