OnePlus 9RT 5G vs Xiaomi 12 - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 9RT 5G
OnePlus 9RT 5G
Oneplus
Xiaomi 12
Xiaomi 12
Xiaomi

General

Launch Date October 19, 2021 December 31, 2021
Release Year 2021 2021

Physical

Volume 100.43 cm³ 87.52 cm³
Screen Size to Weight Ratio 3.34 "/g 3.51 "/g
Weight 198.5 g 179 g
Height 162.2 mm 152.7 mm
Width 74.6 mm 69.9 mm
Thickness 8.3 mm 8.2 mm
Foldable Design No No
Available Colors
  • Blue
  • Hacker Black
  • Nano Silver
  • Blue
  • Green
  • Purple
  • Gray

Display

Screen Size 6.62 " 6.28 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 87.4 % 89.2 %
Pixel Density 397 PPI 419 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness N/A 1100 nits

Hardware

Battery Capacity per Screen Area 102.68 mAh/in² 114.10 mAh/in²
Battery Density 44.81 mAh/cm³ 51.41 mAh/cm³
Battery Capacity 4500 mAh 4500 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Qualcomm SM8450 Snapdragon 8 Gen 1 (4 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) Octa-core (1x3.00 GHz Cortex-X2 & 3x2.50 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)
GPU Adreno 660 Adreno 730

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 12
Maximum OS Version 13

Comparison Summary

OnePlus 9RT 5G vs. Xiaomi 12: A User-Centered Comparison

As a technology communications specialist, my goal is to help you understand these phones beyond the numbers. Let's delve into a narrative-driven analysis, focusing on how design choices translate into real-world user experiences.

1. Design and Usability Assessment

FeatureOnePlus 9RT 5GXiaomi 12User Experience Impact
Interface DesignOxygenOS 11 (upgradable to 13), known for clean aestheticsMIUI 13, feature-rich, potentially overwhelming for someOxygenOS offers a smoother, less cluttered experience for many users.
Interaction FlowFluid 120Hz AMOLED display, responsive performance120Hz AMOLED display, Snapdragon 8 Gen 1 for faster processingBoth offer smooth visuals, but Xiaomi 12 might have a slight edge in speed.
AccessibilityStandard Android accessibility featuresStandard Android accessibility featuresComparable accessibility features.
Design ErgonomicsLarger (6.62"), slightly heavier (198.5g)Smaller (6.28"), lighter (179g)Xiaomi 12 offers better one-handed usability due to its compact size.

2. Narrative-Driven Feature Exploration

Scenario: Imagine a busy professional who relies on their phone for multitasking, photography, and entertainment.

  • OnePlus 9RT 5G: Offers a clean, intuitive interface that minimizes distractions. The 120Hz display ensures smooth scrolling through emails and documents. The reliable Snapdragon 888 provides ample power for everyday tasks. The camera system, featuring a 50MP Sony IMX766 sensor, captures detailed photos even in challenging lighting conditions.

  • Xiaomi 12: Packs a punch with the latest Snapdragon 8 Gen 1 processor, making demanding tasks a breeze. The brilliant AMOLED display with Dolby Vision support enhances movie-watching experiences. The 50MP Sony IMX766 sensor, combined with advanced camera features like 8K video recording, empowers creativity. However, the feature-rich MIUI can feel overwhelming at times.

3. Inclusive Technology Evaluation

  • For the minimalist: The OnePlus 9RT 5G's clean OxygenOS and responsive performance cater to users who prefer a streamlined experience.
  • For the power user: The Xiaomi 12's cutting-edge processor and advanced camera features appeal to tech enthusiasts seeking top-tier performance.
  • For the on-the-go user: Xiaomi 12's compact form factor makes it easier to handle and carry.

4. Design-Centric Decision Framework

Beyond raw specs, consider your personal preferences:

  • Prioritize Simplicity: OnePlus 9RT 5G
  • Prioritize Performance and Features: Xiaomi 12
  • Prioritize One-Handed Usability: Xiaomi 12

My Choice: Xiaomi 12

While I appreciate the clean design of the OnePlus 9RT 5G, the Xiaomi 12's superior performance, more advanced camera capabilities (including 8K video), and stunning Dolby Vision display ultimately win me over. I'm willing to navigate the potentially more complex MIUI to access these cutting-edge features. The compact form factor is a bonus for my on-the-go lifestyle. It represents a more compelling blend of design innovation and technological advancement, reflecting a forward-thinking design philosophy. It feels like a device designed for the future of mobile experiences.

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.