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

Detailed Comparison

Specification
OnePlus 9RT 5G
OnePlus 9RT 5G
Oneplus
Xiaomi 12X
Xiaomi 12X
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 3.57 "/g
Weight 198.5 g 176 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
  • 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 SM8250-AC Snapdragon 870 5G (7 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
GPU Adreno 660 Adreno 650

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

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

Let's embark on a journey beyond the spec sheet, exploring the OnePlus 9RT 5G and Xiaomi 12X as complete user experiences. We'll uncover how design choices translate into real-world usability, empowering you to choose the device that truly resonates with your needs.

1. Design and Usability Assessment:

FeatureOnePlus 9RT 5GXiaomi 12XUser Experience Impact
Interface DesignOxygenOS (Clean, Minimalist)MIUI (Feature-Rich, Customizable)OxygenOS offers a smoother, less cluttered experience, while MIUI provides greater personalization.
Interaction FlowFluid, responsive due to 120Hz AMOLEDEqually fluid with 120Hz AMOLED, but MIUI can feel heavier.Both offer smooth scrolling and animations, but OxygenOS might feel slightly more agile.
Accessibility FeaturesStandard Android 11 accessibility optionsStandard Android 11 accessibility options, plus MIUI specific features (e.g., one-handed mode)MIUI potentially offers a slight edge in accessibility due to extra software features.
Design ErgonomicsLarger (6.62"), slightly heavier (198.5g)Smaller (6.28"), lighter (176g)Xiaomi 12X is more pocketable and comfortable for one-handed use.

2. Narrative-Driven Feature Exploration:

Scenario: Imagine a busy professional who needs a phone for both productivity and capturing quick moments.

  • OnePlus 9RT 5G: The clean OxygenOS allows for seamless multitasking, quickly switching between work apps and capturing stunning photos with the Sony IMX766 sensor. The larger screen enhances productivity, but might be less convenient for one-handed use on the go.

  • Xiaomi 12X: The compact design of the Xiaomi 12X allows for comfortable one-handed operation during commutes. MIUI's customization options allow for a personalized workflow. While the camera also utilizes the Sony IMX766 for its primary lens, the additional features like 8K video recording offer more creative flexibility.

3. Inclusive Technology Evaluation:

  • For users prioritizing simplicity and speed: The OnePlus 9RT 5G, with its clean OxygenOS and powerful Snapdragon 888, offers a streamlined experience.
  • For users valuing customization and compact design: The Xiaomi 12X, with feature-rich MIUI and a smaller form factor, provides personalized control and comfortable one-handed usability.
  • For users seeking cutting-edge camera features: While both phones boast impressive cameras, the Xiaomi 12X's 8K video recording and broader slow-motion capabilities provide a creative edge.

4. Design-Centric Decision Framework:

Beyond raw specifications, the choice hinges on your personal interaction style. Do you prefer a clean, minimalist interface or a highly customizable one? Do you prioritize a larger screen for productivity or a compact design for portability?

My Choice: As Sophia Rodriguez, I would choose the Xiaomi 12X. While the OnePlus 9RT 5G offers a compellingly clean experience, the Xiaomi 12X aligns more closely with my appreciation for design versatility and user-centric features. The compact form factor, combined with the highly customizable MIUI and strong camera capabilities, creates a more personalized and adaptable mobile experience. The slightly less powerful processor is a trade-off I'm willing to make for the enhanced portability and software features that better suit my workflow and preferences. The ability to tailor the phone's functionality to my specific needs resonates with my user-centered approach to technology.

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.