OnePlus 9 vs Xiaomi Redmi Note 11 Pro+ 5G - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 9
OnePlus 9
Oneplus

General

Launch Date March 26, 2021 November 1, 2021
Release Year 2021 2021

Physical

Volume 103.29 cm³ 103.53 cm³
Screen Size to Weight Ratio 3.41 "/g 3.27 "/g
Weight 192 g 204 g
Height 160 mm 163.7 mm
Width 74.2 mm 76.2 mm
Thickness 8.7 mm 8.3 mm
Foldable Design No No
Available Colors
  • Winter Mist
  • Arctic Sky
  • Astral Black
  • Forest Green
  • Mysterious Black
  • Timeless Purple

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 % 86.1 %
Pixel Density 402 PPI 395 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 700 nits
Peak Brightness 1100 nits 1200 nits

Hardware

Battery Capacity per Screen Area 104.89 mAh/in² 101.15 mAh/in²
Battery Density 43.57 mAh/cm³ 43.46 mAh/cm³
Battery Capacity 4500 mAh 4500 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Mediatek Dimensity 920 (6 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) Octa-core (2x2.5 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
GPU Adreno 660 Mali-G68 MC4

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+ 5G

1. Specifications Comparison

FeatureOnePlus 9Xiaomi Redmi Note 11 Pro+ 5GPractical Impact
Design
Dimensions160 × 74.2 × 8.7 mm163.7 × 76.2 × 8.3 mmOnePlus 9 is slightly more compact; Redmi Note 11 Pro+ 5G is taller and wider but thinner.
Weight192g204gOnePlus 9 is lighter, potentially more comfortable for extended use.
Display
Size6.55"6.67"Xiaomi has slightly larger screen, better for media consumption.
Resolution1080x24001080x2400Both offer sharp and detailed images.
PPI402395Both provide very similar pixel density; negligible difference.
TechnologyAMOLEDAMOLEDBoth have vibrant colors and deep blacks.
Refresh Rate120Hz120HzBoth have smooth scrolling and animations.
Brightness1100 nits1200 nitsXiaomi provides slightly better outdoor visibility.
Performance
ChipsetQualcomm Snapdragon 888 5G (5nm)Mediatek Dimensity 920 (6nm)OnePlus 9 has a significantly more powerful chipset, leading to faster overall performance.
AnTuTu Score880,900528,100OnePlus 9 is significantly faster in benchmarks. Expect faster app loading and smoother gaming.
GPUAdreno 660Mali-G68 MC4OnePlus 9 is better for graphically intensive tasks like gaming.
Camera
Main Camera48MP, f/1.79, 1/1.4"108MP, f/1.89, 1/1.52"Xiaomi offers higher resolution, but OnePlus has a larger sensor for better low light performance.
Wide-Angle50MP, f/2.2, 1/1.56"8MP, f/2.2, 1/2.8"OnePlus 9 has a much higher resolution and larger sensor on wide angle for better image quality.
Selfie Camera16MP, f/2.416MP, f/2.45Similar performance in selfie quality.
Macro CameraNone2MP, f/2.4Xiaomi offers dedicated macro shots
Black & White2MP, f/2.4NoneOnePlus offers dedicated black & white shots
Video Recording8K@30fps, 4K@60fps4K@30fpsOnePlus 9 supports higher resolution video recording and greater slow motion options.
Battery
Capacity4500mAh4500mAhSimilar battery life can be expected.
Charging65W Fast Charging, 15W Wireless120W Fast ChargingXiaomi charges much faster, OnePlus offers wireless charging.
Charging FeaturesNon-removable, 15W Wireless ChargingNon-removable, Comfort Mode (19 mins) & Standard Mode (15 mins) full charge, QC3+/PD2.0/PD3.0Xiaomi charges very quickly, OnePlus offers wireless charging.
Software
OSAndroid 11, upgradable to 13Android 11, no official upgrade informationOnePlus 9 can be updated to Android 13.
Connectivity
Wi-FiWiFi 6WiFi 6Both offer fast and reliable wireless connections.
Bluetooth5.25.2Both support modern Bluetooth standards.
GPSGPS (L1+L5), BeiDou (B1, B2), Galileo (E1+E5a)GPS (L1+L5), BeiDou (B1, B2), Galileo (E1+E5a), QZSS (L1+L5), NavICXiaomi offers more precise location tracking.
Storage & Audio
Internal Storage128/256 GB64/128/256 GBBoth offer similar storage options.
RAM8/12 GB6/8 GBOnePlus offers more RAM for smoother multitasking.
Expandable StorageNoNoNeither phone supports expandable storage.
Audio QualityDolby Atmos, Stereo Speakers, 3 Mics, Noise cancellation MicDolby Atmos, Stereo Speakers, Hi-Res Audio, 2 MicsOnePlus offers noise cancellation and one more microphone for better voice recording. Xiaomi has Hi-Res audio.
Security
Fingerprint SensorBasic FingerprintSide-Mounted FingerprintXiaomi offers a more modern, and usually faster fingerprint scanner.
Other
Screen ProtectionCorning Gorilla Glass 5Corning Gorilla Glass 5Both offer similar protection against scratches and drops.
SensorsAccelerometer, Compass, Gyroscope, Proximity, FingerprintAccelerometer, Compass, Gyroscope, Ultrasonic Proximity Sensor, FingerprintOnePlus includes a proximity sensor while Xiaomi uses an Ultrasonic Proximity Sensor.

2. Key Differences Analysis

OnePlus 9 Advantages:

  • Superior Performance: Snapdragon 888 chipset provides significantly faster processing power and gaming capabilities.
  • Better Camera Performance: Superior image quality in the main and wide-angle cameras, particularly in low light. Also offers 8k video
  • Higher RAM Options: Available with 12GB RAM, which is beneficial for heavy users.
  • Wireless Charging: Offers convenient wireless charging capabilities.
  • Better Audio Recording: Offers 3 microphones and noise cancellation for better voice capture.

Xiaomi Redmi Note 11 Pro+ 5G Advantages:

  • Faster Charging: 120W charging is significantly faster, drastically reducing charging times.
  • Macro Camera: Includes a dedicated macro camera for close-up shots.
  • More Precise Location Tracking: Supports more satellite systems, enhancing location accuracy.
  • Latest Fingerprint tech: Has a faster more modern side-mounted fingerprint sensor.
  • Higher Brightness: Offers slightly better display visibility in bright outdoor conditions.

Trade-offs:

  • OnePlus 9: Lacks a dedicated macro camera, slightly slower wired charging, heavier and thicker than the Xiaomi.
  • Xiaomi Redmi Note 11 Pro+ 5G: Weaker processor and GPU, less capable cameras, and lower maximum RAM.

3. User Profiles & Recommendations

Ideal Users for OnePlus 9:

  • Gamers: Benefit from the powerful Snapdragon 888 chipset and Adreno 660 GPU.
  • Photography Enthusiasts: Value the better camera performance in most conditions, particularly the wider angle lens.
  • Power Users: Require smooth multitasking with 12GB RAM and appreciate wireless charging.
  • Video Creators: Benefit from 8k video, advanced stabilization and recording options.

Use Cases for OnePlus 9:

  • Playing graphically intensive mobile games
  • Capturing high-quality photos and videos in diverse settings
  • Running multiple apps simultaneously without slowdown
  • Creating and editing video
  • Using wireless charging at home or on the go.

Ideal Users for Xiaomi Redmi Note 11 Pro+ 5G:

  • Average Users: Who prioritize fast charging and a good display experience.
  • Budget-conscious buyers: Seeking a phone with good features at a lower price than the OnePlus.
  • Users who frequently use GPS: Benefit from increased location tracking precision
  • Users who enjoy Macro photography Benefit from a dedicated macro lens.

Use Cases for Xiaomi Redmi Note 11 Pro+ 5G:

  • Daily usage with quick charging requirements
  • Casual social media use and content consumption.
  • Basic photography with some unique close up shots.
  • Navigation apps

Price-to-Value Ratio:

  • The OnePlus 9 provides better performance and camera quality, making it worth the cost for demanding users who value those specs.
  • The Xiaomi Redmi Note 11 Pro+ 5G offers a more affordable option with very fast charging and a good display, ideal for the average user seeking value.

4. Decision Framework

Key Questions for Buyers:

  1. Performance Needs: Do you prioritize raw processing power and gaming capability, or is general daily performance adequate?
  2. Camera Quality: How important is camera quality? Do you need 8k video capabilities and premium sensors? Or do you prioritize macro?
  3. Charging Speed: Is fast charging a must-have, or is wireless charging more important to you?

Scenario-Based Recommendations:

  • Scenario 1: Ultimate Performance & Camera: If you need the best performance and camera, choose the OnePlus 9.
  • Scenario 2: Budget & Fast Charging: If you're on a budget and fast charging is essential, choose the Xiaomi Redmi Note 11 Pro+ 5G.
  • Scenario 3: Balanced Use: For a good balance of features and performance for daily use, the OnePlus 9 might be a slightly better option if you prioritize camera quality. If you want slightly faster charging and a lower price, the Xiaomi Redmi Note 11 Pro+ 5G might be more fitting.

My Choice

If I were choosing between these two phones, I would choose the OnePlus 9. My primary reasons are:

  1. Superior Performance: I value a phone that can handle demanding tasks smoothly, and the Snapdragon 888 chip is a significant advantage for gaming, video editing, and general multitasking. The faster processor and GPU would make it a better long-term option.
  2. Better Camera System: I appreciate better photography and the wide-angle lens on the OnePlus 9 is a major advantage. The ability to shoot in 8k and better video recording options makes it the better choice for capturing higher quality videos.
  3. Wireless Charging: While not a necessity, the wireless charging is a nice convenience for me and I prefer that over the significantly faster charging.
  4. More RAM: I often have many apps running in the background, and the 12GB RAM option will help with a smoother experience.

While I do acknowledge the appeal of the Xiaomi's 120W fast charging and side-mounted fingerprint sensor, the overall performance and camera advantages of the OnePlus 9 make it the better fit for my priorities.

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.