Xiaomi Poco X3 GT vs OnePlus 9RT 5G - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 9RT 5G
OnePlus 9RT 5G
Oneplus

General

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

Physical

Volume 110.31 cm³ 100.43 cm³
Screen Size to Weight Ratio 3.42 "/g 3.34 "/g
Weight 193 g 198.5 g
Height 163.3 mm 162.2 mm
Width 75.9 mm 74.6 mm
Thickness 8.9 mm 8.3 mm
Foldable Design No No
Available Colors
  • Cloud White
  • Stargaze Black
  • Wave Blue
  • Blue
  • Hacker Black
  • Nano Silver

Display

Screen Size 6.6 " 6.62 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 84.9 % 87.4 %
Pixel Density 399 PPI 397 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness 450 nits N/A
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 114.78 mAh/in² 102.68 mAh/in²
Battery Density 45.33 mAh/cm³ 44.81 mAh/cm³
Battery Capacity 5000 mAh 4500 mAh
NFC Support Yes Yes
Chipset Mediatek Dimensity 1100 (6 nm) Qualcomm SM8350 Snapdragon 888 5G (5 nm)
CPU Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55) Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
GPU Mali-G77 MC9 Adreno 660

Connectivity

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

Software

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

Comparison Summary

Alright, let's dive deep into a head-to-head comparison of the Xiaomi Poco X3 GT and the OnePlus 9RT 5G. I've analyzed the specs and translated them into practical terms, so you can see which phone fits your needs best.

1. Specifications Breakdown

Here’s a detailed breakdown of the specs, with a focus on real-world implications:

FeatureXiaomi Poco X3 GTOnePlus 9RT 5GReal-World Implications
Design
Dimensions163.3 × 75.9 × 8.9 mm162.2 × 74.6 × 8.3 mmPoco is slightly larger and thicker; OnePlus is more compact, potentially better for one-handed use.
Weight193g198.5gPoco is a bit lighter, might feel more comfortable for long periods.
Display
Size6.6"6.62"Both have large displays, offering immersive viewing experiences, with a negligible size difference.
Resolution1080x24001080x2400Both provide sharp visuals suitable for content consumption and gaming.
TechnologyIPS LCDAMOLEDOnePlus' AMOLED offers superior contrast, deeper blacks, and more vibrant colors; great for media and overall visual fidelity.
Refresh Rate120Hz120HzBoth offer smooth scrolling and animations, making user experience feel fluid.
Performance
ChipsetMediatek Dimensity 1100 (6 nm)Qualcomm Snapdragon 888 (5 nm)Snapdragon 888 in the OnePlus offers higher performance for demanding tasks like gaming and heavy multitasking.
AnTuTu Score745,283881,700OnePlus offers noticeably higher performance benchmarks, likely leading to a smoother and faster experience overall.
GPUMali-G77 MC9Adreno 660OnePlus' Adreno 660 GPU is more powerful, beneficial for gaming and graphics-intensive applications.
Camera
Main Camera Res64MP50MPPoco's 64MP sensor offers high resolution, good for detail capture, while the OnePlus 9RT’s sensor is slightly bigger.
Main Camera Sensor Size1/2"1/1.56"OnePlus' larger sensor generally captures more light, resulting in better low-light performance.
Main Camera Pixel Size0.70 µm1.00 µmLarger pixel size on the OnePlus usually leads to better low-light performance and dynamic range.
Wide Angle LensNone16MPOnePlus has an advantage with a dedicated wide-angle lens for capturing expansive scenes.
Macro LensNone2MPOnePlus has a dedicated Macro lens.
Selfie Camera16MP16MPBoth are competent for selfies and video calls; OnePlus has a wider aperture for better low light.
VideoUp to 4K@30fpsUp to 4K@60fps, EISOnePlus offers superior video features with stabilization (EIS) and higher frame rates in 4K.
Battery Life
Capacity5000mAh4500mAhPoco has a larger battery, which should offer longer battery life between charges.
Charging67W fast charging65W fast chargingBoth offer rapid charging capabilities; very similar performance, but Poco’s is slightly faster.

2. Key Insights

Xiaomi Poco X3 GT:

  • Strengths: Larger battery for extended usage, slightly faster charging, and robust screen protection with Gorilla Glass Victus.
  • Competitive Advantages: Strong performance for most tasks, though not as potent as the 9RT, solid audio features (Dolby Atmos, Hi-Res Audio, Stereo Speakers, 2 microphones), and a more advanced side-mounted fingerprint sensor.
  • Trade-offs/Limitations: Lacks the superior display quality of an AMOLED screen and the additional camera versatility.

OnePlus 9RT 5G:

  • Strengths: Superior AMOLED display for vibrant visuals, a more powerful chipset (Snapdragon 888) for enhanced performance, a better camera setup with a larger main sensor, optical stabilization, and additional lenses.
  • Competitive Advantages: Top-tier performance, better photo and video quality with Optical Stabilization, Wide Angle lens, and a Macro Lens.
  • Trade-offs/Limitations: Slightly smaller battery, a less advanced fingerprint sensor.

3. User Profiles and Recommendations

Xiaomi Poco X3 GT:

  • Ideal User: A user who prioritizes battery life and can live with an IPS display; good for users looking for smooth performance across daily tasks and moderate gaming, as well as great audio output.
  • Use Cases: Ideal for frequent travelers, gamers who play less graphically intensive titles, or anyone who needs all-day battery life and very good audio.
  • Value Proposition: The Poco X3 GT offers great value with its balance of performance, battery life, and features.

OnePlus 9RT 5G:

  • Ideal User: A user who values top performance, a high-quality display, and a more versatile camera system.
  • Use Cases: Perfect for content creators, mobile photographers, or gamers who want to run graphically intense games smoothly and make the most out of their mobile experience.
  • Value Proposition: The OnePlus 9RT 5G is a premium device with top-tier features for those who are willing to pay extra.

4. Buying Decision Framework

Here are three practical questions to help you decide:

  1. "How important is display quality to me?" If vibrant colors and deep blacks matter, the OnePlus 9RT's AMOLED is the clear winner. If you are ok with a very good screen, but not an amazing screen, the Poco is the one.
  2. "How much do I value overall performance vs battery life?" If raw power is your priority, the OnePlus 9RT's Snapdragon 888 is the better choice. If longer battery life is more critical for you, the Poco X3 GT takes the lead with a 10% larger battery.
  3. "How often do I take pictures with my phone?" If you like taking pictures, specially on different scenarios, the OnePlus has more versatility with its wide angle and macro lens, not to mention the optical stabilization that helps the overall image quality.

Scenario-Based Recommendations:

  • For the Casual User: If you mostly use your phone for browsing, social media, and light gaming, the Poco X3 GT offers a great all-around experience at a better price.
  • For the Mobile Gamer: If you're into mobile gaming, the OnePlus 9RT is better with it's powerful Snapdragon 888 chip and Adreno 660 GPU.
  • For the Photography Enthusiast: The OnePlus 9RT is the better choice with its larger sensor, multiple lenses, and optical stabilization.
  • For the Power User: If you want longer battery life, then the Poco X3 GT is a better choice. If you want performance, the OnePlus 9RT is the one.

My Choice

Personally, I would choose the OnePlus 9RT 5G. While the Poco X3 GT is a solid device with a larger battery and a more advanced fingerprint sensor, the OnePlus 9RT’s superior display, significantly more powerful processor, more versatile camera setup, and better overall video features are the main reasons. As someone who values top performance, vibrant visuals, and mobile photography, the OnePlus 9RT 5G fits my needs better. The trade-off in battery life is something I’m willing to accept for the improvements in other critical areas.

Alex Griffin
Alex Griffin

Technology analyst specializing in mobile devices and consumer electronics.

Core Expertise

  • Mobile technology analysis
  • Consumer electronics evaluation
  • Technical specification interpretation
  • User experience insights

Professional Mission Empowering readers to make informed technology decisions by transforming intricate specifications into understandable, practical guidance.

Demystifying technology, one device at a time.