Oppo A55 vs Motorola Moto G31 - Detailed Phone Comparison

Detailed Comparison

Specification
Oppo A55
Oppo A55
Oppo

General

Launch Date October 1, 2021 December 6, 2021
Release Year 2021 2021

Physical

Volume 104.03 cm³ 102.89 cm³
Screen Size to Weight Ratio 3.37 "/g 3.54 "/g
Weight 193 g 181 g
Height 163.6 mm 161.9 mm
Width 75.7 mm 73.9 mm
Thickness 8.4 mm 8.6 mm
Foldable Design No No
Available Colors
  • Green
  • Starry Black
  • Rainbow Blue
  • Mineral Grey
  • Baby Blue

Display

Screen Size 6.51 " 6.4 "
Resolution 720 x 1600 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 82.6 % 82.7 %
Pixel Density 270 PPI 411 PPI
Refresh Rate N/A N/A
Typical Brightness 480 nits N/A
HBM Brightness N/A N/A
Peak Brightness 550 nits N/A

Hardware

Battery Capacity per Screen Area 117.98 mAh/in² 122.07 mAh/in²
Battery Density 48.06 mAh/cm³ 48.59 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Mediatek MT6765G Helio G35 (12 nm) Mediatek MT6769Z Helio G85 (12 nm)
CPU Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU PowerVR GE8320 Mali-G52 MC2

Connectivity

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

Software

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

Comparison Summary

Oppo A55 vs. Motorola Moto G31: A User-Centered Comparison

As a technology communications specialist, my goal is to help you understand these phones not just as lists of specs, but as tools that fit into your life. Let's delve into the Oppo A55 and Motorola Moto G31, focusing on the user experience.

1. Design and Usability Assessment

FeatureOppo A55Motorola Moto G31User Experience Impact
Interface DesignColorOS 11.1 (based on Android 11)My UX (based on Android 11)Both offer clean Android experiences, though individual customization preferences might sway users.
Display6.51" IPS LCD (720x1600)6.4" AMOLED (1080x2400)Moto G31's AMOLED offers richer colors and deeper blacks, enhancing media consumption. Higher resolution provides sharper visuals.
Interaction FlowStandard Android navigationStandard Android navigation with Moto ActionsMoto Actions add convenient gestures for tasks like flashlight activation, enhancing quick interaction.
AccessibilityStandard Android Accessibility FeaturesStandard Android Accessibility FeaturesBoth offer basic accessibility features.
Design Ergonomics193g, 8.4mm thick181g, 8.6mm thickMoto G31 is slightly lighter, but both are comfortable to hold.

2. Narrative-Driven Feature Exploration

Scenario: Imagine you're a student using your phone for note-taking in class and watching lectures later.

  • Oppo A55: The large 6.51" screen provides ample space for note-taking apps. However, the lower resolution might make detailed diagrams less clear. The 5000mAh battery ensures you can take notes and watch videos all day without worrying about charging.
  • Moto G31: The vibrant AMOLED display of the Moto G31 brings lecture videos to life. The sharper resolution ensures clarity even with complex charts and graphs. The slightly lighter weight makes it more comfortable to hold during long study sessions. Moto Actions, like a quick double-twist of the wrist to activate the flashlight, are helpful for finding your way in a darkened lecture hall.

3. Inclusive Technology Evaluation

Both phones cater to a broad audience with their straightforward Android experiences. However, users who prioritize visual quality for media consumption will appreciate the Moto G31's AMOLED display. The Moto G31's slightly lighter weight might be preferable for users with smaller hands or those who use their phones for extended periods.

4. Design-Centric Decision Framework

Choosing between these phones depends on your priorities:

  • Prioritize Visuals and a vibrant display: Choose the Moto G31 for its AMOLED screen and higher resolution.
  • Prioritize a Larger Display and long battery life: The Oppo A55 offers a slightly larger screen.

My Choice: Motorola Moto G31

While both phones offer solid features, I would choose the Motorola Moto G31. The superior AMOLED display significantly enhances the viewing experience, making it ideal for multimedia consumption, a key aspect of modern smartphone usage. The sharper resolution also contributes to a more enjoyable and productive user experience for tasks like reading and viewing detailed information. While small, the weight difference and the addition of Moto Actions contribute to a more comfortable and intuitive interaction, reflecting a thoughtful approach to user experience design. Though the Oppo A55 boasts a larger display, the difference is marginal and doesn't outweigh the benefits of the Moto G31's superior screen technology and more refined user experience. The Moto G31 provides a more compelling overall package for the average user, emphasizing user experience over sheer screen size.

Sophia Rodriguez
Sophia Rodriguez

Technology Communications Specialist

Expert in transforming complex technological innovations into accessible, engaging narratives.

Key Strengths:

  • Technology storytelling
  • User experience design analysis
  • Inclusive technology communication
  • Design-driven technology insights

Bridging technical complexity with human-centered understanding.