Xiaomi Poco M3 vs Oppo A55 - Detailed Phone Comparison

Detailed Comparison

Specification
Oppo A55
Oppo A55
Oppo

General

Launch Date November 27, 2020 October 1, 2021
Release Year 2020 2021

Physical

Volume 120.44 cm³ 104.03 cm³
Screen Size to Weight Ratio 3.3 "/g 3.37 "/g
Weight 198 g 193 g
Height 162.3 mm 163.6 mm
Width 77.3 mm 75.7 mm
Thickness 9.6 mm 8.4 mm
Foldable Design No No
Available Colors
  • Cool Blue
  • Poco Yellow
  • Power Black
  • Green
  • Starry Black
  • Rainbow Blue

Display

Screen Size 6.53 " 6.51 "
Resolution 1080 x 2340 720 x 1600
Aspect Ratio 19.5:9 20:9
Screen-to-Body Ratio 83.4 % 82.6 %
Pixel Density 395 PPI 270 PPI
Refresh Rate N/A N/A
Typical Brightness 400 nits 480 nits
HBM Brightness N/A N/A
Peak Brightness N/A 550 nits

Hardware

Battery Capacity per Screen Area 140.71 mAh/in² 117.98 mAh/in²
Battery Density 49.82 mAh/cm³ 48.06 mAh/cm³
Battery Capacity 6000 mAh 5000 mAh
NFC Support No Yes
Chipset Qualcomm SM6115 Snapdragon 662 (11 nm) Mediatek MT6765G Helio G35 (12 nm)
CPU Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU Adreno 610 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 10 11
Maximum OS Version

Comparison Summary

1. Specifications Comparison

FeatureXiaomi Poco M3Oppo A55Practical Impact
Design
Dimensions162.3 x 77.3 x 9.6 mm163.6 x 75.7 x 8.4 mmPoco M3 is wider and thicker, potentially feeling bulkier in hand. Oppo A55 is slightly taller.
Weight198g193gOppo A55 is slightly lighter, making it potentially more comfortable for extended use.
Display
Size6.53"6.51"Negligible size difference, both provide a similar viewing experience.
Resolution1080x2340720x1600Poco M3 has significantly sharper display with finer details. Text and images will appear clearer and less pixelated.
Pixel Density (PPI)395270Poco M3's higher PPI provides a noticeably crisper viewing experience, reducing eye strain when reading or viewing detailed content.
TechnologyIPS LCDIPS LCDBoth use the same technology, offering similar color reproduction and viewing angles.
Refresh Rate60Hz60HzBoth phones have standard refresh rate, suitable for typical daily use.
Brightness0 nits0 nitsPeak brightness is not specified, limiting the ability to compare outdoor visibility.
Performance
ChipsetSnapdragon 662 (11 nm)Helio G35 (12 nm)Oppo A55 has higher benchmark score. Poco M3's CPU is slightly older.
AnTuTu Score185,028379,800Oppo A55 has significantly higher benchmark score, suggesting smoother performance and quicker app loading than Poco M3.
GPUAdreno 610PowerVR GE8320Different GPU configurations; Oppo A55 is likely to perform better in demanding tasks like gaming due to higher AnTuTu score.
Camera
Main Camera48MP, f/1.7913MP, f/2.2Poco M3 has a much higher resolution sensor, potentially capturing more detailed photos, especially in good lighting conditions. Wider aperture on Poco M3 improves low light performance.
Selfie Camera8MP, f/2.08MP, f/2.0Both have comparable front-facing cameras for selfies and video calls.
Portrait Mode (Depth)None2MP, f/2.4Oppo A55 has a dedicated depth sensor, allowing for a more natural bokeh effect in portrait mode photos.
Macro LensNone2MP, f/2.4Oppo A55 allows taking close up shots.
Video Recording1080p@30fps1080p@30fpsBoth phones record video at the same resolution and framerate.
FeaturesDigital zoom, Triple camera, DIS, AF, Touch focus, Manual focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection4K Video, Triple camera, DIS, AF, Touch focus, Manual focus, PDAF, Geotagging, Panorama, HDR, Face detectionOppo A55 supports 4k video recording, while the Poco M3 supports continuous shooting.
Battery
Capacity6000mAh5000mAhPoco M3 has a larger battery, likely providing longer battery life.
Charging18W10WPoco M3 supports faster charging, reducing the time needed to fully charge the phone.
FeaturesReverse charging, 22.5W charger in boxNon-removablePoco M3 supports reverse charging, allowing it to charge other devices. Comes with a faster charger in-box.
Software
OSAndroid 10Android 11Oppo A55 ships with a newer version of Android, potentially offering a more up-to-date software experience.
Connectivity
Wi-Fi802.11 a/b/g/n/ac802.11 a/b/g/n/acBoth support dual-band Wi-Fi, allowing for good speeds on compatible networks.
Bluetooth5.05.1Oppo A55 has a newer version of Bluetooth, possibly leading to more stable connections and support for advanced audio codecs.
GPSGPS, A-GPS, GLONASS, Beidou, Galileo, NavICGPS, A-GPS, GLONASS, Beidou, QZSS, GalileoSimilar navigation capabilities. Poco M3 has NavIC support, while Oppo A55 has QZSS.
Storage
Internal64/128GB128GBOppo A55 offers 128 GB storage; Poco M3 comes in a base variant of 64GB, while also having a 128 GB variant.
RAM4/6GB6/8GBOppo A55 offers up to 8GB RAM. Higher RAM allows for smoother multitasking, faster loading times, and better performance with demanding apps.
Expandable StorageNoNoNeither phone supports expandable storage.
Audio
QualityHi-Res, Stereo SpeakersBasicPoco M3 offers an enhanced audio experience with stereo speakers and Hi-Res Audio certification, while Oppo A55 has only basic audio features.
Security
FeaturesSide-mounted Fingerprint SensorSide-mounted Fingerprint SensorBoth phones have side-mounted fingerprint sensors for quick and easy unlocking.
Build Quality
Screen ProtectionCorning Gorilla Glass 3UnknownPoco M3 has Gorilla Glass 3 screen protection, offering better resistance against scratches and minor impacts.
SensorsAccelerometer, Compass, Ultrasonic proximity virtualAccelerometer, Gyroscope, ProximityXiaomi Poco M3 has Compass sensor, while the Oppo A55 has Proximity and Gyroscope.
## 2. Key Differences Analysis

Xiaomi Poco M3 Advantages:

  • Sharper Display: Higher resolution and PPI provide a much clearer and more detailed viewing experience, which is important for reading text and viewing high-resolution images/videos.
  • Larger Battery: The 6000 mAh battery offers significantly longer battery life, a huge plus for users who spend long periods away from a charger.
  • Faster Charging and In-box Charger: The 18W charging and bundled 22.5W charger offer a much faster charging experience.
  • Enhanced Audio: Stereo speakers and Hi-Res audio support offer a richer audio experience.
  • Screen Protection: Gorilla Glass 3 offers better screen protection.

Oppo A55 Advantages:

  • Better Performance: Higher AnTuTu score suggests better overall performance, including faster app loading and improved multitasking.
  • Better Camera Features: Includes dedicated Portrait (depth) and Macro lenses, 4k video recording, and PDAF, making the camera system more versatile for different types of photography.
  • Newer Bluetooth: Bluetooth 5.1 offers potentially more stable connections and better codec support.
  • Newer Android OS: Comes with Android 11 out of the box.
  • More RAM: Up to 8 GB of RAM, resulting in smoother multitasking.

Trade-offs:

  • The Poco M3 sacrifices some performance and camera versatility for a larger battery, a sharper screen, and enhanced audio features.
  • The Oppo A55 sacrifices battery capacity and the display quality for better performance and camera system.

3. User Profiles & Recommendations

Xiaomi Poco M3 Ideal User:

  • Media Consumption Focused Users: People who watch videos and read a lot of content on their phone will appreciate the sharper display and stereo speakers.
  • Battery Life Prioritizers: Users who need long-lasting battery life and don't want to worry about frequent charging.
  • Budget-Conscious Buyers: Those looking for a smartphone with excellent display and battery at an affordable price.

  • Use Cases:

    • Long commutes with lots of video streaming.
    • Extended periods away from power outlets.
    • Reading e-books or articles on the go.
    • Enjoying music with stereo speakers on the go.

Oppo A55 Ideal User:

  • Performance Focused Users: Those who use their phone for daily use, gaming and multitasking, and expect a fast responsive experience.
  • Photography Focused Users: People who want a versatile camera system with multiple lenses and 4k video recording.
  • Users Wanting the Latest Features: Those who prioritize the latest software and Bluetooth technologies.

  • Use Cases:

    • Social media users who capture lots of photos.
    • Users who play graphics-intensive games.
    • Users who multitask with several apps.
    • Users who need a good phone for everyday work/tasks.

4. Decision Framework

Key Questions for Buyers:

  1. Is screen quality or performance a higher priority for you? (Poco M3 = better screen, Oppo A55 = better performance)
  2. How important is battery life to you? (Poco M3 has significantly better battery life)
  3. What is the main purpose of your phone's camera? (Oppo A55 has more versatile camera system, Poco M3 has higher resolution sensor)

Scenario-Based Recommendations:

  • Scenario 1: If you primarily use your phone for browsing, watching videos, and reading, and long battery life is critical, the Xiaomi Poco M3 is a better choice.
  • Scenario 2: If you are a gamer or social media enthusiast who wants a more responsive phone with a better camera and 4k video recording, the Oppo A55 is a better option.
  • Scenario 3: If budget is a major factor and you don't want to compromise too much on screen quality or battery life, the Xiaomi Poco M3 offers a superior balance for the price.

My Choice

If I were choosing between these two phones, I would lean towards the Xiaomi Poco M3. While the Oppo A55 offers a newer chipset and a more versatile camera setup, my priorities for a smartphone in this price range are a good quality screen for media consumption and long battery life. The sharper display of the Poco M3 will be better for reading and watching videos. The much larger battery is a key advantage for a user like me, who is usually away from power outlets for long periods of time. Also, the stereo speaker and Hi-Res audio will provide a better audio experience. I find the improved screen and battery life of the Poco M3 to be more valuable for my use case than the extra performance and camera features that the Oppo A55 provides.

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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