OnePlus 8T vs Xiaomi Redmi 9T - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 8T
OnePlus 8T
Oneplus

General

Launch Date October 16, 2020 January 18, 2021
Release Year 2020 2021

Physical

Volume 100.03 cm³ 120.44 cm³
Screen Size to Weight Ratio 3.48 "/g 3.3 "/g
Weight 188 g 198 g
Height 160.7 mm 162.3 mm
Width 74.1 mm 77.3 mm
Thickness 8.4 mm 9.6 mm
Foldable Design No No
Available Colors
  • Lunar Silver
  • Aquamarine Green
  • Cyberpunk 2077 Edition
  • Carbon Gray
  • Ocean Green
  • Sunrise Orange
  • Twilight Blue

Display

Screen Size 6.55 " 6.53 "
Resolution 1080 x 2400 1080 x 2340
Aspect Ratio 20:9 19.5:9
Screen-to-Body Ratio 87 % 83.4 %
Pixel Density 402 PPI 395 PPI
Refresh Rate 120 Hz N/A
Typical Brightness N/A 400 nits
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 104.89 mAh/in² 140.71 mAh/in²
Battery Density 44.99 mAh/cm³ 49.82 mAh/cm³
Battery Capacity 4500 mAh 6000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8250 Snapdragon 865 5G (7 nm+) Qualcomm SM6115 Snapdragon 662 (11 nm)
CPU Octa-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55) Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU Adreno 650 Adreno 610

Connectivity

USB Version 3.1 2.0
OTG Support 1 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 3.1, OTG USB Type-C 2.0, OTG

Software

Operating System Android Android
Initial OS Version 11 10
Maximum OS Version 14

Comparison Summary

1. Specifications Comparison

Design

FeatureOnePlus 8TXiaomi Redmi 9TPractical Impact
Dimensions160.7 × 74.1 × 8.4 mm162.3 × 77.3 × 9.6 mmRedmi 9T is slightly larger and thicker, potentially less comfortable for one-handed use.
Weight188g198gOnePlus 8T is slightly lighter, which may be noticeable during prolonged use.
BuildGorilla Glass 5Gorilla Glass 3OnePlus 8T offers slightly better screen protection against scratches and impacts.
Fingerprint SensorBasicSide-mountedSide-mounted sensors are often faster and more ergonomic to access.

Display

FeatureOnePlus 8TXiaomi Redmi 9TPractical Impact
Size6.55"6.53"Negligible difference in screen size.
Resolution1080x24001080x2340Virtually identical sharpness.
PPI402395Imperceptible difference in pixel density.
TechnologyAMOLEDIPS LCDAMOLED offers superior contrast, deeper blacks, and more vibrant colors, enhancing media consumption.
Refresh Rate120Hz60Hz120Hz provides smoother scrolling, animations, and gaming experience.
Brightness1100 nits0 nitsOnePlus 8T is much more visible outdoors in bright sunlight. (The Redmi 9T spec of 0 nits is likely an error. Typical brightness for this phone is around 400 nits.)

Performance

FeatureOnePlus 8TXiaomi Redmi 9TPractical Impact
ChipsetSnapdragon 865 5G (7 nm+)Snapdragon 662 (11 nm)OnePlus 8T offers significantly faster app loading, smoother multitasking, and better gaming performance.
AnTuTu Score744,900174,500Drastic performance difference; the 8T will handle demanding tasks with ease.
GPUAdreno 650Adreno 610OnePlus 8T provides a superior gaming experience with higher frame rates and better graphics.
RAM8/12 GB4/6 GBOnePlus 8T allows for more apps to run in the background without slowdowns, improving multitasking.

Camera

FeatureOnePlus 8TXiaomi Redmi 9TPractical Impact
Main Camera48MP, f/1.748MP, f/1.79Similar main camera specs, slight edge to OnePlus 8T due to wider aperture.
Ultrawide16MP, f/2.28MP, f/2.2OnePlus 8T captures more detailed ultrawide photos.
Selfie16MP, f/2.48MP, f/2.0OnePlus 8T captures higher-resolution selfies, while the Redmi 9T has a slightly wider aperture for better low-light performance.
Macro5MP, f/2.42MP, f/2.4OnePlus 8T captures more detailed macro shots.
DepthN/A2MP, f/2.4Redmi 9T can capture portrait mode shots with more depth.
Black & White2MP, f/2.4N/AOnePlus 8T can capture black & white photos.
VideoUp to 4K@60fpsUp to 1080p@30fpsOnePlus 8T records higher-quality, more detailed videos.
StabilizationOIS + EISEISOnePlus 8T provides better video stabilization, resulting in smoother footage.

Battery

FeatureOnePlus 8TXiaomi Redmi 9TPractical Impact
Capacity4500mAh6000mAhXiaomi Redmi 9T likely provides significantly longer battery life.
Charging65W18WOnePlus 8T charges much faster, reducing downtime.
Reverse ChargingNoYesXiaomi Redmi 9T can be used to charge other devices.

Software

FeatureOnePlus 8TXiaomi Redmi 9TPractical Impact
OSAndroid 11, upgradeable to 14Android 10OnePlus 8T has a more modern OS, offering better features and security.

Connectivity

FeatureOnePlus 8TXiaomi Redmi 9TPractical Impact
Wi-FiWi-Fi 6Wi-Fi 5OnePlus 8T offers faster and more stable Wi-Fi connections.
Bluetooth5.15.0OnePlus 8T has slightly better Bluetooth performance.
GPSMore Satellite SystemsFewer Satellite SystemsOnePlus 8T offers slightly better GPS accuracy.

Storage

FeatureOnePlus 8TXiaomi Redmi 9TPractical Impact
Internal128/256 GB64/128 GBOnePlus 8T offers more storage for apps, photos, and videos.
ExpandableNoNoNeither phone offers expandable storage.

2. Key Differences Analysis

OnePlus 8T Advantages:

  • Significantly Superior Performance: Snapdragon 865 offers a drastically faster and smoother experience for gaming, multitasking, and general use.
  • Superior Display: AMOLED panel with 120Hz refresh rate provides a much more enjoyable viewing experience with vibrant colors and smooth animations.
  • Faster Charging: 65W charging allows for very quick battery top-ups.
  • Better Camera System: More versatile camera setup with higher resolution ultrawide and selfie cameras, plus 4K@60fps video recording and OIS.
  • More Modern Software: Ships with a newer version of Android and guaranteed updates.

Xiaomi Redmi 9T Advantages:

  • Significantly Larger Battery: 6000mAh battery offers potentially much longer battery life.
  • Reverse Charging: Can be used as a power bank to charge other devices.
  • Included Charger: Comes with a 22.5W charger in the box. (The 8T also comes with a charger, but this highlights the Redmi 9T's value proposition).

Trade-offs:

  • The OnePlus 8T sacrifices battery life for significantly better performance and a superior display.
  • The Xiaomi Redmi 9T prioritizes battery life and affordability over performance and camera quality.

3. User Profiles & Recommendations

OnePlus 8T:

  • Ideal Users: Gamers, power users, media enthusiasts, and those who prioritize performance and display quality.
  • Use Cases:
    • Playing demanding mobile games.
    • Streaming high-resolution videos.
    • Multitasking between many apps.
    • Taking high-quality photos and videos.
  • Price-to-Value: Offers excellent value for those seeking flagship-level performance at a mid-range price (considering its release date).

Xiaomi Redmi 9T:

  • Ideal Users: Budget-conscious users, those who prioritize battery life above all else, and those with basic smartphone needs.
  • Use Cases:
    • Daily communication (calls, texts, emails).
    • Web browsing and social media.
    • Light gaming.
    • Extended use without frequent charging.
  • Price-to-Value: Exceptional value for its price point, providing a long-lasting battery and essential features.

4. Decision Framework

Key Questions to Consider:

  1. How important is performance to you? If you plan on playing demanding games or multitasking heavily, the OnePlus 8T is the clear choice.
  2. How much do you value battery life? If you need a phone that can last through multiple days of moderate use, the Redmi 9T is the better option.
  3. What is your budget? The Redmi 9T is significantly more affordable, making it a great choice for budget-conscious buyers.

Scenario-Based Recommendations:

  • Scenario 1: Mobile Gaming Enthusiast: Choose the OnePlus 8T for its superior performance and smooth display.
  • Scenario 2: Frequent Traveler Needing Long Battery Life: Choose the Xiaomi Redmi 9T for its extended battery life.
  • Scenario 3: Budget-Conscious Student: Choose the Xiaomi Redmi 9T for its affordability and essential features.
  • Scenario 4: Photography and Videography: Choose the OnePlus 8T for its better camera system, higher resolution video and OIS.

My Choice

If I were choosing between these two phones, I would pick the OnePlus 8T. While the Redmi 9T's battery life is tempting, the overall experience offered by the OnePlus 8T is significantly better. The faster processor, smoother display, and superior camera make it a more enjoyable and capable device for my typical usage, which includes gaming, media consumption, and photography. The quicker charging also compensates for the smaller battery, ensuring I'm not tethered to a charger for long.

Emily Harper
Emily Harper

Technology Insights Specialist

Dedicated technology writer specializing in mobile device analysis and technology communication. Expert at translating complex smartphone features into clear, actionable insights for diverse audiences.

Key Strengths:

  • Mobile technology analysis
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Bridging technical complexity with engaging, accessible narratives.