Xiaomi Mi 11 Pro vs Oppo A55 - Detailed Phone Comparison

Detailed Comparison

Specification
Oppo A55
Oppo A55
Oppo

General

Launch Date April 2, 2021 October 1, 2021
Release Year 2021 2021

Physical

Volume 104.18 cm³ 104.03 cm³
Screen Size to Weight Ratio 3.27 "/g 3.37 "/g
Weight 208 g 193 g
Height 164.3 mm 163.6 mm
Width 74.6 mm 75.7 mm
Thickness 8.5 mm 8.4 mm
Foldable Design No No
Available Colors
  • Black
  • Green
  • Purple
  • Green
  • Starry Black
  • Rainbow Blue

Display

Screen Size 6.81 " 6.51 "
Resolution 1440 x 3200 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 91.4 % 82.6 %
Pixel Density 515 PPI 270 PPI
Refresh Rate 120 Hz N/A
Typical Brightness N/A 480 nits
HBM Brightness N/A N/A
Peak Brightness 1500 nits 550 nits

Hardware

Battery Capacity per Screen Area 107.81 mAh/in² 117.98 mAh/in²
Battery Density 47.99 mAh/cm³ 48.06 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Mediatek MT6765G Helio G35 (12 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU Adreno 660 PowerVR GE8320

Connectivity

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

Software

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

Comparison Summary

Smartphone Comparison: Xiaomi Mi 11 Pro vs. Oppo A55

1. Specifications Comparison

FeatureXiaomi Mi 11 ProOppo A55Practical Impact
Design
Launch Date2021-04-022021-10-01Oppo A55 is a newer model by about 6 months.
Dimensions164.3 x 74.6 x 8.5 mm163.6 x 75.7 x 8.4 mmSimilar size, Oppo is slightly wider. The A55 is marginally thinner.
Weight208g193gOppo A55 is noticeably lighter, making it more comfortable for prolonged use.
Display
Size6.81"6.51"Xiaomi Mi 11 Pro offers a slightly larger screen, better for immersive media consumption.
Resolution1440x3200720x1600Xiaomi Mi 11 Pro displays significantly sharper images and text due to higher pixel density.
PPI515270Xiaomi Mi 11 Pro's display appears much sharper; individual pixels are much less visible.
TechnologyAMOLEDIPS LCDXiaomi Mi 11 Pro offers richer colors, deeper blacks, and better power efficiency for dark themes; better for media viewing.
Refresh Rate120Hz60HzXiaomi Mi 11 Pro's display has smoother animations, reducing motion blur, enhancing gaming experience and UI navigation.
Brightness1700 nits0 nitsXiaomi Mi 11 Pro offers vastly better outdoor visibility under bright sunlight. Note: Brightness for A55 is not available.
Performance
ChipsetSnapdragon 888 (5nm)Helio G35 (12nm)Xiaomi Mi 11 Pro delivers significantly faster performance in apps, gaming, and multitasking; Helio G35 is an entry-level chip suitable for basic use.
AnTuTu Score854,267379,800Xiaomi Mi 11 Pro is much faster in benchmarks, indicating a substantial difference in overall speed and responsiveness.
GPUAdreno 660PowerVR GE8320Xiaomi Mi 11 Pro has a much more powerful GPU that handles demanding graphics rendering like gaming and video editing much better.
Battery
Capacity5000mAh5000mAhBoth have similar capacity, suggesting comparable battery life. Actual life depends on usage.
Charging67W Fast Charging10W Fast ChargingXiaomi Mi 11 Pro charges much faster, reducing downtime significantly.
FeaturesWireless/Reverse ChargingNon-removableXiaomi Mi 11 Pro offers more versatile charging options.
Camera
Main Camera50MP, f/1.9513MP, f/2.2Xiaomi Mi 11 Pro's main camera has much higher resolution, captures significantly more detail, and has wider aperture for better low-light performance.
Selfie Camera20MP, f/2.38MP, f/2.0Xiaomi Mi 11 Pro captures higher resolution selfies, Oppo A55 has slightly wider aperture for better low-light.
Wide Angle Lens13MP, f/2.2N/AXiaomi Mi 11 Pro has a dedicated wide-angle lens for capturing wider scenes.
Portrait LensN/A2MP, f/2.4Oppo A55 has a dedicated depth sensor for better portrait photos.
Macro LensN/A2MP, f/2.4Oppo A55 has a dedicated macro lens for close-up shots.
Telephoto Lens8MPN/AXiaomi Mi 11 Pro has a telephoto lens for zooming without losing detail.
VideoUp to 8K@24fps1080p@30fpsXiaomi Mi 11 Pro offers much higher video recording resolution for professional-grade video content.
DXOMarkMobile 124N/AXiaomi Mi 11 Pro camera has much better quality according to DXOMark scores.
Camera FeaturesExtensiveBasicXiaomi Mi 11 Pro offers advanced video and photo features, including 8K video, OIS, Laser AF, and RAW capture.
Software
OSAndroid 11Android 11Both phones run Android 11 (or have based OS on Android 11).
Connectivity
Wi-FiWi-Fi 6Wi-Fi 5Xiaomi Mi 11 Pro offers faster Wi-Fi speeds for compatible routers.
Bluetooth5.25.1Xiaomi Mi 11 Pro has a newer Bluetooth version offering slightly better power efficiency and connection stability.
GPSAdvancedBasicXiaomi Mi 11 Pro has more accurate GPS due to support for more satellite systems.
Storage
Internal128/256 GB128 GBXiaomi Mi 11 Pro has more storage options, potentially providing more space for media and apps.
RAM8/12 GB6/8 GBXiaomi Mi 11 Pro has higher RAM options, better for multitasking and demanding apps.
ExpandableNoNoNeither phone has expandable storage.
Audio
AudioHi-Res, StereoBasicXiaomi Mi 11 Pro has better audio quality with stereo speakers and Hi-Res support.
Security
Fingerprint SensorBasicSide-mountedOppo A55 features more advanced and easier-to-use fingerprint sensor.
Build
Screen ProtectionGorilla Glass VictusUnknownXiaomi Mi 11 Pro offers better scratch and impact resistance with superior screen protection.
Sensors
SensorsCompass, Heart RateNoneXiaomi Mi 11 Pro has more sensors for advanced features and applications.

2. Key Differences Analysis

Xiaomi Mi 11 Pro Advantages:

  • Superior Display: Much higher resolution, AMOLED technology, 120Hz refresh rate, and higher brightness for significantly better viewing experience, especially for media consumption and gaming.
  • Significantly Higher Performance: The Snapdragon 888 chipset provides vastly better speed and responsiveness for demanding apps, gaming, and multitasking.
  • Professional-Grade Camera System: Higher resolution sensors, more versatile lens options (wide-angle, telephoto), 8K video recording, and advanced features for professional-level photography and videography.
  • Faster Charging and Wireless Charging: 67W wired and 67W wireless charging for much faster battery replenishment, along with reverse charging for other devices.
  • Better Audio: Hi-Res audio and stereo speakers provide a more immersive and enjoyable listening experience.
  • Advanced Connectivity: Supports newer Wi-Fi and Bluetooth standards for better performance and compatibility.
  • Screen Protection: More robust scratch/drop protection provided by Gorilla Glass Victus

Oppo A55 Advantages:

  • Lighter Design: Slightly lighter for easier handling and portability
  • Side-Mounted Fingerprint Sensor: A more convenient fingerprint sensor placement.
  • Dedicated Macro and Portrait Lenses: Offers additional lens options for specific photography needs, not available on the Mi 11 Pro.
  • Lower price point: This is not listed, but based on typical phones with this spec list, it would have a lower price

Trade-offs:

  • Xiaomi Mi 11 Pro: Heavier and more expensive.
  • Oppo A55: Significantly less powerful processor, lower quality display, less advanced camera system, slower charging and fewer connectivity options.

3. User Profiles & Recommendations

Xiaomi Mi 11 Pro:

  • Ideal Users: Power users, gamers, photography enthusiasts, media consumers, and anyone who prioritizes performance and visual quality.
  • Use Cases:
    • Playing demanding mobile games at high settings.
    • Capturing professional-quality photos and videos.
    • Watching high-resolution movies and TV shows.
    • Multitasking between demanding apps.
    • Frequent outdoor use under bright sunlight.

Oppo A55:

  • Ideal Users: Budget-conscious users, casual smartphone users, people who prioritize portability and basic smartphone functions.
  • Use Cases:
    • Everyday phone calls and messaging.
    • Social media browsing and light app usage.
    • Casual photography for social sharing.
    • Users who prefer a lightweight, easy-to-handle phone.

Price-to-Value Ratio:

  • The Xiaomi Mi 11 Pro offers significantly more features, performance, and quality for its higher price. Its value depends on if those features align with your specific needs and budget.
  • The Oppo A55 is designed as a budget-friendly phone, offering essential features for basic users.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The price difference between these two phones will be significant.
  2. How important is performance? If you are a heavy user or gamer, the Xiaomi Mi 11 Pro is the clear choice.
  3. What is the main use case? If you only need basic functions, the Oppo A55 may be sufficient.

Scenario-Based Recommendations:

  • Scenario 1: High-Performance & Multimedia User - Choose the Xiaomi Mi 11 Pro for its superior display, performance, camera, and battery.
  • Scenario 2: Budget-Conscious User - Choose the Oppo A55 for its lower price point while still providing essential smartphone functions.
  • Scenario 3: Camera Enthusiast: If camera is a priority, the Xiaomi Mi 11 Pro is the better choice due to the overall higher quality in photos and video and features.
  • Scenario 4: Casual User - The Oppo A55 is a viable option for standard everyday use.

My Choice and Why

If I were to choose between these two phones, I would pick the Xiaomi Mi 11 Pro. Here's why:

  • Performance is a Key Factor: As someone who frequently uses my phone for multitasking, gaming, and content creation, the vastly superior Snapdragon 888 chipset in the Mi 11 Pro is a must-have. The Oppo A55 would simply not provide the performance I need.
  • Display Quality Matters: I watch a lot of media on my phone. The high-resolution AMOLED display with its smooth 120Hz refresh rate and vibrant colors is a significant upgrade over the A55's IPS LCD panel. The improved brightness makes it useable outdoors.
  • Camera Versatility: While the A55 has a macro lens, the Mi 11 Pro's versatile triple-lens setup (including a dedicated telephoto lens) and superior sensor quality make it the better choice for capturing high-quality photos and videos. The 8K video recording and advanced features are a significant advantage.
  • Future-Proofing: The Mi 11 Pro's Wi-Fi 6 support and faster charging will make it a relevant device for longer, whereas the Oppo A55 might feel outdated sooner.

While the Oppo A55 has a lighter design and is more affordable, the Mi 11 Pro provides a better overall user experience for my needs, justifying the higher price. The Mi 11 Pro is a high-end phone for power users, whereas the Oppo A55 is an entry-level smartphone that would not meet 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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  • Mobile technology analysis
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Bridging technical complexity with engaging, accessible narratives.