Oppo A55 vs OnePlus 9RT 5G - Detailed Phone Comparison

Detailed Comparison

Specification
Oppo A55
Oppo A55
Oppo
OnePlus 9RT 5G
OnePlus 9RT 5G
Oneplus

General

Launch Date October 1, 2021 October 19, 2021
Release Year 2021 2021

Physical

Volume 104.03 cm³ 100.43 cm³
Screen Size to Weight Ratio 3.37 "/g 3.34 "/g
Weight 193 g 198.5 g
Height 163.6 mm 162.2 mm
Width 75.7 mm 74.6 mm
Thickness 8.4 mm 8.3 mm
Foldable Design No No
Available Colors
  • Green
  • Starry Black
  • Rainbow Blue
  • Blue
  • Hacker Black
  • Nano Silver

Display

Screen Size 6.51 " 6.62 "
Resolution 720 x 1600 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 82.6 % 87.4 %
Pixel Density 270 PPI 397 PPI
Refresh Rate N/A 120 Hz
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 102.68 mAh/in²
Battery Density 48.06 mAh/cm³ 44.81 mAh/cm³
Battery Capacity 5000 mAh 4500 mAh
NFC Support Yes Yes
Chipset Mediatek MT6765G Helio G35 (12 nm) Qualcomm SM8350 Snapdragon 888 5G (5 nm)
CPU Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
GPU PowerVR GE8320 Adreno 660

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

Let's dive into a user-centered comparison of the Oppo A55 and the OnePlus 9RT 5G. We'll move beyond the raw numbers and explore how these devices translate into real-world experiences for different users.

1. Design and Usability Assessment:

FeatureOppo A55OnePlus 9RT 5GUser Experience Impact
Interface DesignColorOS 11.1 (Android 11)OxygenOS 11 (Android 11)OnePlus generally offers a cleaner, closer-to-stock Android experience, potentially feeling more intuitive for users familiar with Android.
Display6.51" IPS LCD (720x1600)6.62" AMOLED (1080x2400), 120HzThe 9RT's AMOLED display with a higher resolution and refresh rate delivers significantly richer colors, deeper blacks, and smoother animations.
Interaction FlowBasic, budget-focusedPremium, performance-orientedThe 9RT likely offers a snappier, more responsive experience due to its superior processor and higher refresh rate display.
Accessibility FeaturesStandard Android 11 accessibility featuresStandard Android 11 accessibility featuresBoth phones offer similar built-in accessibility options.
Design ErgonomicsPlastic body, 193gGlass and metal body, 198.5gThe 9RT feels more premium and durable in hand, but is slightly heavier.

2. Narrative-Driven Feature Exploration:

Scenario: Imagine a photography enthusiast, Sarah. With the Oppo A55, Sarah can capture everyday moments, but the limited camera capabilities and slower processor may frustrate her when trying to capture fast-moving subjects or achieve professional-looking shots. With the 9RT's 50MP Sony IMX766 sensor, optical image stabilization, and powerful Snapdragon 888 processor, Sarah can effortlessly capture stunning photos and videos, even in challenging lighting conditions. The faster processing ensures she never misses a shot.

3. Inclusive Technology Evaluation:

  • For a budget-conscious user: The Oppo A55 provides essential smartphone functionality at an affordable price point.
  • For a power user: The OnePlus 9RT 5G caters to demanding users who prioritize performance, a high-quality display, and advanced camera features.
  • For an older adult: Both phones offer large screens for easy readability, but the simpler interface of the Oppo A55 might be less overwhelming.

4. Design-Centric Decision Framework:

The Oppo A55 prioritizes affordability, offering basic functionality in a simple package. The OnePlus 9RT 5G emphasizes a premium user experience, investing in a high-quality display, powerful performance, and advanced camera technology. The choice depends on individual priorities and budget.

My Choice:

I would choose the OnePlus 9RT 5G. While the Oppo A55 offers excellent value, my approach prioritizes the holistic user experience. The 9RT's fluid AMOLED display, powerful performance, and advanced camera capabilities create a significantly more engaging and enjoyable user experience. The premium design and materials also contribute to a more satisfying interaction. The difference in price reflects a substantial leap in overall quality and user satisfaction, making the 9RT a worthwhile investment for a technology enthusiast like myself. It's not just about features; it's about how those features weave together to create a seamless and delightful user journey. The 9RT delivers on that promise.

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.