Oppo A55 vs Nokia G21 - Detailed Phone Comparison

Detailed Comparison

Specification
Oppo A55
Oppo A55
Oppo
Nokia G21
Nokia G21
Nokia

General

Launch Date October 1, 2021 February 15, 2022
Release Year 2021 2022

Physical

Volume 104.03 cm³ 106.19 cm³
Screen Size to Weight Ratio 3.37 "/g 3.42 "/g
Weight 193 g 190 g
Height 163.6 mm 164.6 mm
Width 75.7 mm 75.9 mm
Thickness 8.4 mm 8.5 mm
Foldable Design No No
Available Colors
  • Green
  • Starry Black
  • Rainbow Blue
  • Dusk
  • Nordic Blue

Display

Screen Size 6.51 " 6.5 "
Resolution 720 x 1600 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 82.6 % 81.6 %
Pixel Density 270 PPI 270 PPI
Refresh Rate N/A 90 Hz
Typical Brightness 480 nits 400 nits
HBM Brightness N/A N/A
Peak Brightness 550 nits N/A

Hardware

Battery Capacity per Screen Area 117.98 mAh/in² 119.53 mAh/in²
Battery Density 48.06 mAh/cm³ 47.56 mAh/cm³
Battery Capacity 5000 mAh 5050 mAh
NFC Support Yes Yes
Chipset Mediatek MT6765G Helio G35 (12 nm) Unisoc T606 (12 nm)
CPU Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU PowerVR GE8320 Mali-G57 MP1

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 13

Comparison Summary

Oppo A55 vs. Nokia G21: A User-Centered Comparison

As a technology communications specialist, my goal is to help you understand these phones beyond the numbers. Let's explore the Oppo A55 and Nokia G21 through the lens of user experience, weaving in narratives that illuminate their unique strengths.

1. Design and Usability Assessment:

FeatureOppo A55Nokia G21User Experience Impact
Interface DesignColorOS 11.1 (Android 11)Stock Android 11 (upgradable to 13)Nokia's clean OS offers potential for smoother, longer updates.
Interaction FlowStandard Android navigationStock Android experienceBoth offer familiar interactions; preference is subjective.
AccessibilityStandard Android accessibility featuresStandard Android accessibility featuresComparable accessibility options.
Design Ergonomics193g, 8.4mm thick190g, 8.5mm thickNegligible difference in hand feel; both are relatively light.

2. Narrative-Driven Feature Exploration:

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

  • Oppo A55: The vibrant "Rainbow Blue" color might appeal to a younger audience. The 5000mAh battery ensures all-day use, eliminating the anxiety of a low battery during a crucial lecture. The side-mounted fingerprint sensor provides quick and convenient unlocking.
  • Nokia G21: The promise of Android 13 signifies longer software support and potentially better performance over time. The 90Hz refresh rate display offers smoother scrolling through social media feeds and web pages, creating a more visually pleasing experience.

3. Inclusive Technology Evaluation:

Both phones cater to a broad audience with their mid-range pricing and essential features. However, the Nokia G21's longer software update cycle benefits users who prioritize security and longevity. The Oppo A55's slightly faster charging might appeal to users needing a quick power boost.

4. Design-Centric Decision Framework:

Beyond specifications, the choice boils down to personal priorities.

  • Value for Money: The Nokia G21, with its potential for OS upgrades, might offer better long-term value.
  • Aesthetic Appeal: The Oppo A55 comes in more vibrant colors, appealing to users who prioritize style.
  • Performance Needs: While both phones offer comparable performance for everyday tasks, the 90Hz refresh rate on the Nokia G21 provides a subtle yet noticeable improvement in visual fluidity.

My Choice: I would choose the Nokia G21. While the Oppo A55 offers appealing aesthetics and a slightly faster processor, the Nokia G21's commitment to longer software updates, coupled with the smoother 90Hz display, makes it a more compelling choice for me. The cleaner stock Android experience and potential for future OS upgrades resonates with my preference for a device that remains performant and secure over an extended period. Ultimately, this represents better value and a more sustainable technology choice in the long run.

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.