Xiaomi Redmi Note 9T vs Oppo Find X3 Pro - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 18, 2021 March 19, 2021
Release Year 2021 2021

Physical

Volume 113.39 cm³ 100.48 cm³
Screen Size to Weight Ratio 3.28 "/g 3.47 "/g
Weight 199 g 193 g
Height 161.2 mm 163.6 mm
Width 77.3 mm 74 mm
Thickness 9.1 mm 8.3 mm
Foldable Design No No
Available Colors
  • Nightfall Black
  • Daybreak Purple
  • Blue
  • White
  • Gloss Black
  • Cosmic Mocha
  • Mars Edition
  • Photographer Edition

Display

Screen Size 6.53 " 6.7 "
Resolution 1080 x 2340 1440 x 3216
Aspect Ratio 19.5:9 20:9
Screen-to-Body Ratio 84 % 89.2 %
Pixel Density 395 PPI 525 PPI
Refresh Rate N/A 120 Hz
Typical Brightness 450 nits 500 nits
HBM Brightness N/A N/A
Peak Brightness N/A 1300 nits

Hardware

Battery Capacity per Screen Area 117.26 mAh/in² 100.25 mAh/in²
Battery Density 44.09 mAh/cm³ 44.78 mAh/cm³
Battery Capacity 5000 mAh 4500 mAh
NFC Support Yes Yes
Chipset Mediatek Dimensity 800U (7 nm) Qualcomm SM8350 Snapdragon 888 5G (5 nm)
CPU Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
GPU Mali-G57 MC3 Adreno 660

Connectivity

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

Software

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

Comparison Summary

Smartphone Comparison: Xiaomi Redmi Note 9T vs. Oppo Find X3 Pro

1. Specifications Comparison

FeatureXiaomi Redmi Note 9TOppo Find X3 ProPractical Impact
Design
Dimensions161.2 × 77.3 × 9.1 mm163.6 × 74 × 8.3 mmRedmi Note 9T is wider and thicker, feeling bulkier. Find X3 Pro is taller but slimmer, more pocketable.
Weight199g193gFind X3 Pro is slightly lighter, beneficial for long holding times.
Display
Size6.53"6.7"Find X3 Pro offers slightly more screen real estate for immersive viewing.
Resolution1080x23401440x3216Find X3 Pro's higher resolution results in much sharper text and images.
PPI395525Find X3 Pro's higher pixel density makes the display noticeably clearer.
TechnologyIPS LCDAMOLEDFind X3 Pro has better contrast, deeper blacks, and more vibrant colors than the Redmi Note 9T, especially in dark mode.
Refresh Rate60Hz120HzFind X3 Pro has smoother scrolling, animations, and gaming experience.
Brightness0 nits1300 nitsFind X3 Pro offers vastly superior outdoor visibility in bright sunlight, while the brightness on Redmi Note 9T is not available.
Performance
ChipsetMediatek Dimensity 800U (7 nm)Qualcomm Snapdragon 888 5G (5 nm)Find X3 Pro's chip is significantly faster, resulting in smoother app performance and gaming.
AnTuTu Score343,150876,500Find X3 Pro provides much faster app loading and better multitasking.
GPUMali-G57 MC3Adreno 660Find X3 Pro's GPU is significantly more powerful, offering smoother and better gaming experience.
Battery
Capacity5000mAh4500mAhRedmi Note 9T has a larger battery, potentially offering longer battery life for standard usage.
Charging18W fast charging65W fast chargingFind X3 Pro charges significantly faster, allowing quick top-ups.
Charging Features22.5W charger inbox30W wireless charging, reverse charging, reverse wireless chargingFind X3 Pro offers wireless charging and reverse charging options, while Redmi Note 9T has a charger in the box
Camera
Main Camera48MP, f/1.79, 1/2" sensor50MP, f/1.8, 1/1.56" sensorFind X3 Pro's larger sensor is better at low light and overall image quality
Selfie Camera13MP, f/2.25, 1/3.1" sensor32MP, f/2.4, 1/2.74" sensorFind X3 Pro offers higher resolution selfies, with a slightly smaller sensor.
Telephoto LensNone13MP, f/2.4, 1/3.4" sensorFind X3 Pro provides optical zoom capability.
Wide Angle LensNone50MP, f/2.2, 1/1.56" sensorFind X3 Pro captures wider scenes.
Portrait Mode2MP, f/2.4, 1/5" sensorNoneRedmi Note 9T has a dedicated depth sensor for portrait photos.
Macro Lens2MP, f/2.4, 1/5" sensorNoneRedmi Note 9T has a dedicated macro sensor for close-up shots.
Video RecordingUp to 4K@30fpsUp to 4K@60fps with HDR and EISFind X3 Pro captures smoother videos with HDR and video stabilization.
Video StabilizationNoYesFind X3 Pro provides electronic image stabilization for smoother videos, while Redmi Note 9T doesn't have video stabilization.
Slow Motion120fps480fpsFind X3 Pro offers higher frame rate for more detailed slow-motion videos.
DxOMarkN/A128 (Mobile)Find X3 Pro’s camera quality is very good.
Software
OSAndroid 10Android 11, upgradable to 14Find X3 Pro has a more recent OS with more updates expected in the future
Connectivity
WiFi802.11acWiFi 6 (802.11ax)Find X3 Pro offers faster WiFi speeds and better performance.
Bluetooth5.1 LE5.2 LEFind X3 Pro supports a newer Bluetooth standard.
GPSGPS, A-GPS, Galileo, GLONASSGPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1), QZSS (L1 + L5)Find X3 Pro offers more accurate GPS with more satellite support.
SIMDual SIM Dual StandbyDual SIM Dual StandbyBoth phones support two SIMs
Storage
Internal64 GB or 128 GB256 GB or 512 GBFind X3 Pro provides significantly more storage for apps and media.
RAM4 GB12 GB or 16 GBFind X3 Pro offers more RAM, for smoother multitasking and gaming.
ExpandableNoNoNeither phone supports expandable storage.
Audio
Audio QualityHi-Res Audio, Stereo SpeakersDolby Atmos, Stereo SpeakersFind X3 Pro offers Dolby Atmos support, while the Redmi Note 9T features Hi-Res audio, which may enhance audio quality.
Security
FeaturesSide-mounted fingerprint sensorbasic fingerprint sensorRedmi Note 9T's side-mounted fingerprint sensor is generally more responsive and intuitive than the basic one in the Oppo Find X3 Pro.
Build Quality
Screen ProtectionCorning Gorilla Glass 5Corning Gorilla Glass 5Both offer the same level of screen protection.
Sensors
SensorsAccelerometer, Compass, Gyroscope, Ultrasonic proximity virtual, fingerprintAccelerometer, Compass, Gyroscope, proximity, fingerprintThe Redmi Note 9T features an Ultrasonic proximity virtual sensor. The Oppo Find X3 Pro adds proximity, gravity and pedometer sensors.

2. Key Differences Analysis

Xiaomi Redmi Note 9T Advantages:

  • Larger Battery: A 5000mAh battery offers potentially longer battery life, which may be beneficial for users who don't always have access to charging.
  • Side-Mounted Fingerprint Sensor: Generally considered more convenient and responsive compared to a basic fingerprint sensor.
  • Dedicated Portrait and Macro Camera: The inclusion of a dedicated macro and portrait camera give it versatility.
  • Lower Price Point: Usually positioned as a more budget-friendly option.
  • Hi-Res Audio: May improve audio quality for headphones.

Oppo Find X3 Pro Advantages:

  • Superior Display: AMOLED screen with significantly higher resolution, pixel density, refresh rate, and brightness offers a vastly better viewing experience.
  • Much Higher Performance: Snapdragon 888 chipset provides considerably faster app loading, smoother multitasking, and better gaming performance.
  • Faster Charging: 65W fast charging significantly reduces charging times.
  • Wireless and Reverse Charging: Convenient for cable-free charging and powering other devices.
  • Better Camera System: Larger sensors, telephoto, and wide-angle lenses deliver better image quality and versatility.
  • Higher Video Quality: Better stabilization and higher frame rate for slow-motion recording, resulting in much more professional video.
  • More Storage and RAM: 256/512 GB storage and 12/16 GB RAM ensure smoother performance and ample space for apps and media.
  • More Modern Software: Launched with Android 11 and upgradable to 14, offering more future updates.
  • Newer WiFi Standard: Wi-Fi 6 for higher speed and better performance.
  • Better GPS: Better accuracy thanks to additional satellite systems.
  • Premium Build Quality: Generally better materials and construction than the Redmi Note 9T.
  • Dolby Atmos: Better Audio Quality for video consumption, especially when using the built-in speakers.

Trade-offs:

  • Redmi Note 9T: Offers better battery but sacrifices display, performance, and camera quality for cost savings.
  • Find X3 Pro: Superior across almost all specifications but has a smaller battery and a much higher price.

3. User Profiles & Recommendations

Xiaomi Redmi Note 9T Ideal User:

  • Budget-Conscious Users: Prioritizes affordability and good battery life over top-tier performance and display quality.
  • Casual Smartphone Users: Needs basic functionality like calls, messaging, social media, and light browsing.
  • Users Needing Long Battery Life: Values endurance and doesn't mind a slightly heavier phone.
  • Users Who Value Dedicated Macro and Depth Cameras: Useful for creative photography.

Oppo Find X3 Pro Ideal User:

  • Power Users: Demands high performance for gaming, multitasking, and demanding apps.
  • Media Enthusiasts: Values superior display quality for watching videos and consuming content.
  • Photography Enthusiasts: Requires a versatile camera system and better video capabilities.
  • Users Who Appreciate Premium Features: Seeks a flagship experience with fast charging, wireless charging, and a refined design.
  • Users Who Need More Storage and Memory: Important for those that have a large library of photos and videos, or want the highest frame rates for gaming.

Use Cases:

  • Redmi Note 9T: Long commutes with no charging access, basic social media browsing, everyday tasks, casual photography.
  • Find X3 Pro: High-end mobile gaming, professional photography and videography, watching high-resolution videos, daily heavy multitasking.

4. Decision Framework

Key Questions to Consider:

  1. Budget: How much are you willing to spend on a new smartphone?
  2. Priorities: What is more important: battery life or performance and display quality?
  3. Usage: How do you intend to use your phone primarily (casual, gaming, photography)?

Scenario-Based Recommendations:

  • Scenario 1: Tight Budget, Basic Use: If you have a tight budget and primarily use your phone for calls, messaging, and light social media, the Xiaomi Redmi Note 9T is a good choice for its battery life and lower price.
  • Scenario 2: Demanding User, Value Performance: If you are a power user who needs top-tier performance, gaming, and media consumption, the Oppo Find X3 Pro is the better choice, offering a superior display, performance, and camera system.
  • Scenario 3: Camera Focus: If photography and videography are important, the Oppo Find X3 Pro has a more versatile and higher-quality camera system overall.

My Choice

If I had to choose between the two, I would pick the Oppo Find X3 Pro. While the Redmi Note 9T offers good value, the improvements in the display, performance, camera, and charging speed offered by the Find X3 Pro are significant. I value a great visual experience, smooth performance, and a versatile camera for daily use. While the battery capacity is smaller, the fast charging and wireless capabilities of the Find X3 Pro would be enough to mitigate that for me. The overall experience of the Find X3 Pro is more premium and would be worth the cost for me. The vastly superior screen is the biggest factor in my decision.

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.

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Bridging technical complexity with engaging, accessible narratives.