Oppo A55 vs Xiaomi Redmi 12 5G - Detailed Phone Comparison

Detailed Comparison

Specification
Oppo A55
Oppo A55
Oppo

General

Launch Date October 1, 2021 August 4, 2023
Release Year 2021 2023

Physical

Volume 104.03 cm³ 105.49 cm³
Screen Size to Weight Ratio 3.37 "/g 3.41 "/g
Weight 193 g 199 g
Height 163.6 mm 168.6 mm
Width 75.7 mm 76.3 mm
Thickness 8.4 mm 8.2 mm
Foldable Design No No
Available Colors
  • Green
  • Starry Black
  • Rainbow Blue
  • Moonstone Silver
  • Jade Black
  • Pastel Blue

Display

Screen Size 6.51 " 6.79 "
Resolution 720 x 1600 1080 x 2460
Aspect Ratio 20:9 21:9
Screen-to-Body Ratio 82.6 % 85.1 %
Pixel Density 270 PPI 396 PPI
Refresh Rate N/A 90 Hz
Typical Brightness 480 nits 550 nits
HBM Brightness N/A N/A
Peak Brightness 550 nits N/A

Hardware

Battery Capacity per Screen Area 117.98 mAh/in² 108.45 mAh/in²
Battery Density 48.06 mAh/cm³ 47.4 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes No
Chipset Mediatek MT6765G Helio G35 (12 nm) Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm)
CPU Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55)
GPU PowerVR GE8320 Adreno 613

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 13
Maximum OS Version 14

Comparison Summary

Let's dive into a user-centered comparison of the Oppo A55 and the Xiaomi Redmi 12 5G. Instead of getting bogged down in a spec sheet showdown, we'll explore how these devices translate into real-world experiences for different users.

1. Design and Usability Assessment:

FeatureOppo A55Xiaomi Redmi 12 5GUser Experience Impact
Interface DesignColorOS 11.1 (based on Android 11)MIUI 14 (based on Android 13)Redmi 12 5G likely offers a more modern and feature-rich interface.
Display6.51" IPS LCD (720x1600)6.79" IPS LCD (1080x2460), 90HzRedmi 12 5G boasts a larger, sharper display with smoother scrolling.
Interaction FlowStandard Android navigationMIUI customizations and gesturesMIUI can offer advanced features but may have a steeper learning curve.
Accessibility FeaturesBasic Android accessibility optionsPotentially more extensive with MIUI 14Redmi 12 5G might provide more accessibility customization options.
Design Ergonomics193g, 8.4mm thick199g, 8.2mm thickNegligible difference in hand feel; both are relatively lightweight and slim.

2. Narrative-Driven Feature Exploration:

Scenario: Imagine a student using their phone for online classes, social media, and casual gaming.

  • Oppo A55: The student might find the A55 adequate for basic tasks. However, the lower resolution display might make it less immersive for watching videos or playing games.
  • Redmi 12 5G: The Redmi 12 5G's larger, higher-resolution display with a 90Hz refresh rate dramatically improves the experience for online learning and entertainment. The smoother scrolling and sharper visuals reduce eye strain and provide a more engaging experience. The newer processor also handles multitasking more efficiently.

3. Inclusive Technology Evaluation:

  • For a Tech-Savvy User: The Redmi 12 5G's more powerful processor and updated software offer greater flexibility and customization.
  • For a Senior Citizen: Both phones offer large displays for easy readability. However, the simpler interface of the Oppo A55 might be less overwhelming. The presence of NFC in the Oppo A55 could be a deciding factor for contactless payments, a feature increasingly important for everyone but potentially critical for senior citizens.

4. Design-Centric Decision Framework:

The Xiaomi Redmi 12 5G takes the lead in terms of design and overall user experience. Its superior display, more powerful processor, and updated software make it a more compelling choice for most users.

My Choice: Xiaomi Redmi 12 5G

While the Oppo A55 is a decent phone, the Redmi 12 5G offers a significantly better user experience thanks to its modern display with a higher refresh rate, a more powerful processor for smoother performance, and the latest Android version. These features translate to a more enjoyable and efficient daily use for a wider range of tasks, from media consumption to gaming and productivity. While I acknowledge the value of NFC in the Oppo A55, the overall enhanced user experience of the Redmi 12 5G outweighs this single feature for me. Ultimately, investing in the Redmi 12 5G feels like investing in a device that will remain relevant and enjoyable to use for a longer period.

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.