Oppo Find X3 Pro vs OnePlus 9 - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 9
OnePlus 9
Oneplus

General

Launch Date March 19, 2021 March 26, 2021
Release Year 2021 2021

Physical

Volume 100.48 cm³ 103.29 cm³
Screen Size to Weight Ratio 3.47 "/g 3.41 "/g
Weight 193 g 192 g
Height 163.6 mm 160 mm
Width 74 mm 74.2 mm
Thickness 8.3 mm 8.7 mm
Foldable Design No No
Available Colors
  • Blue
  • White
  • Gloss Black
  • Cosmic Mocha
  • Mars Edition
  • Photographer Edition
  • Winter Mist
  • Arctic Sky
  • Astral Black

Display

Screen Size 6.7 " 6.55 "
Resolution 1440 x 3216 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.2 % 87.2 %
Pixel Density 525 PPI 402 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness 500 nits N/A
HBM Brightness N/A N/A
Peak Brightness 1300 nits 1100 nits

Hardware

Battery Capacity per Screen Area 100.25 mAh/in² 104.89 mAh/in²
Battery Density 44.78 mAh/cm³ 43.57 mAh/cm³
Battery Capacity 4500 mAh 4500 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Qualcomm SM8350 Snapdragon 888 5G (5 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
GPU Adreno 660 Adreno 660

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 11
Maximum OS Version 14 13

Comparison Summary

Smartphone Comparison: Oppo Find X3 Pro vs. OnePlus 9

1. Specifications Comparison

FeatureOppo Find X3 ProOnePlus 9Practical Impact
Design
Dimensions163.6 × 74 × 8.3 mm160 × 74.2 × 8.7 mmOppo is taller by 3.6mm, OnePlus is thicker by 0.4mm. Minor difference in hand feel.
Weight193g192gNegligible difference in weight; both feel similar in hand.
Display
Size6.7"6.55"Oppo has a slightly larger screen for more immersive media and gaming.
Resolution1440x32161080x2400Oppo offers significantly sharper visuals, more detail for text and images.
Pixel Density525 ppi402 ppiOppo provides a noticeably clearer and crisper display.
TechnologyAMOLEDAMOLEDBoth offer vibrant colors, deep blacks, and good contrast.
Refresh Rate120Hz120HzBoth provide smooth scrolling and fluid animations.
Brightness1300 nits1100 nitsOppo offers better outdoor visibility under bright sunlight.
Performance
ChipsetSnapdragon 888 5GSnapdragon 888 5GIdentical processing power; both handle demanding tasks with ease.
AnTuTu Score876,500880,900Both provide similar benchmark performance; negligible real-world difference.
GPUAdreno 660Adreno 660Identical graphics performance; both handle graphically intensive games.
Camera
Rear Main Camera50MP, f/1.8, 1/1.56" sensor48MP, f/1.79, 1/1.4" sensorOnePlus has a slightly wider aperture and larger sensor for better low-light performance. Oppo offers higher resolution.
Rear Wide Angle50MP, f/2.2, 1/1.56" sensor50MP, f/2.2, 1/1.56" sensorIdentical sensors. Same image quality for wide-angle shots.
Rear Telephoto13MP, f/2.4, 1/3.4" sensorNoneOppo has a dedicated telephoto lens for optical zoom capabilities.
Rear Black & WhiteNone2MP, f/2.4OnePlus has a dedicated Black & White lens.
Front Camera32MP, f/2.4, 1/2.74" sensor16MP, f/2.4, 1/3.13" sensorOppo has a higher resolution selfie camera.
Video RecordingUp to 4K@60fps with HDRUp to 8K@30fps with HDROnePlus supports 8K for high-res videos. Oppo has different stabilization.
DXOMark Mobile Score128Not TestedOppo's camera has been tested by DXOMark.
Battery
Capacity4500 mAh4500 mAhSimilar battery life.
Charging65W fast charging65W fast chargingBoth charge quickly.
Wireless Charging30W15WOppo has faster wireless charging.
Reverse Wireless ChargingYesNoOppo can charge other devices wirelessly.
Software
OSAndroid 11 (upgradable to 14)Android 11 (upgradable to 13)Oppo will get 1 more version of Android.
Connectivity
Wi-FiWi-Fi 6Wi-Fi 6Both support modern Wi-Fi standards.
Bluetooth5.25.2Both have modern Bluetooth.
GPSComprehensive supportComprehensive supportBoth are suitable for location accuracy, with minor differences in supported satellite systems
SIMDual SIMDual SIMBoth support two SIM cards
Storage & Memory
Internal Storage256GB or 512GB128GB or 256GBOppo has a 512GB option.
RAM12GB or 16GB8GB or 12GBOppo has 16GB of RAM for heavy users.
Expandable StorageNoNoNeither supports expandable storage.
Audio
Audio QualityDolby Atmos, Stereo SpeakersDolby Atmos, Stereo SpeakersBoth have good stereo audio quality. OnePlus has additional noise cancellation.
Security
Fingerprint SensorBasicBasicBoth have standard fingerprint sensors.
Build Quality
Screen ProtectionCorning Gorilla Glass 5Corning Gorilla Glass 5Both have similar screen protection.
Sensors
SensorsFingerprint, Proximity, Accelerometer, Compass, Gyroscope, Gravity, PedometerFingerprint, Proximity, Accelerometer, Compass, GyroscopeOppo has added gravity and pedometer sensors.

2. Key Differences Analysis

Oppo Find X3 Pro Advantages:

  • Superior Display: Higher resolution and pixel density for a sharper, more detailed visual experience, and brighter for outdoor use.
  • Versatile Cameras: Dedicated telephoto lens for optical zoom and higher resolution front-facing camera.
  • Faster Wireless Charging & Reverse Wireless Charging: Provides better charging flexibility.
  • More RAM & Storage Options: Up to 16GB of RAM and 512GB storage for heavy users.
  • More Software Support: Will receive one more Android update.
  • Comprehensive Sensor Suite: Includes Gravity and Pedometer sensors, suitable for advanced features and gaming.
  • Tested Camera Performance: DXOMark score is available

OnePlus 9 Advantages:

  • Potentially Better Low-Light Main Camera: Slightly wider aperture and larger sensor could result in improved low light photography.
  • 8K Video Recording: Allows for higher resolution video capture.
  • Black & White Camera: For creative monochromatic shots.
  • Slightly More Compact: A bit shorter and thinner, might feel slightly better in small hands.
  • Better Audio: Enhanced spatial audio and noise cancellation features.

Significant Trade-offs:

  • Oppo: Lacks 8K video recording and a dedicated black & white camera.
  • OnePlus: Lacks a telephoto lens, has a lower resolution front camera, less storage, less RAM, and slower wireless charging.

3. User Profiles & Recommendations

Oppo Find X3 Pro is ideal for:

  • Visual Enthusiasts: Users who prioritize screen quality for media consumption and gaming.
  • Photography Enthusiasts: Users who value versatile camera setups with optical zoom capabilities.
  • Power Users: Users who require maximum performance with large RAM and storage.
  • Tech Enthusiasts: Users who want the latest software updates and advanced sensor capabilities.
  • Users with Wireless Charging Needs: Those who want fast wireless charging and the convenience of reverse wireless charging.

Specific Use Cases for Oppo Find X3 Pro:

  • Mobile Gaming: Benefits from the larger screen, high refresh rate, and powerful processor.
  • Media Consumption: Enjoy sharper, more detailed videos and images on the higher resolution display.
  • Professional Photography: The telephoto lens allows for more creative and detailed shots.
  • Frequent Travelers: Take advantage of reverse wireless charging to charge other devices on the go, along with better GPS system.

OnePlus 9 is ideal for:

  • Video Content Creators: Users who want to capture high-resolution video in 8K.
  • Low-Light Photographers: Those who need better low-light performance from the main camera.
  • Audio-Centric Users: Those who value noise cancellation and spatial audio.
  • Users Preferring Compactness: Those who prefer a slightly smaller and thinner device.

Specific Use Cases for OnePlus 9:

  • Vlogging: 8K video recording for high-quality video content.
  • Night Photography: Wider aperture main camera allows better night time shots.
  • Audio Recording: Clearer voice capture with noise cancelling microphones.
  • Everyday Carry: More compact design for single-handed use.

Price-to-Value:

  • Without current pricing, it's hard to give a true price-to-value analysis. Generally, Oppo Find X3 Pro is usually more expensive due to its advanced display and versatile cameras, making it suitable for those who have the budget for the extra features. The OnePlus 9 is positioned as a more affordable option, ideal for users who want a balance of high performance and affordability.

4. Decision Framework

Key Questions for Buyers:

  1. How important is display quality? If the absolute sharpest display is crucial, Oppo Find X3 Pro is a clear winner.
  2. Do you need optical zoom or 8K video? Oppo offers telephoto lens, while OnePlus offers 8K video; make a choice based on your priorities.
  3. What is your storage and RAM needs? If you are a heavy user, Oppo offers more RAM and storage.

Scenario-Based Recommendations:

  • Scenario 1: The mobile gamer and media enthusiast: Choose the Oppo Find X3 Pro for the superior display, RAM and storage.
  • Scenario 2: The content creator: Choose the OnePlus 9 for the 8K video recording.
  • Scenario 3: The everyday user: Choose based on price. If price difference is not a factor, then the Oppo Find X3 Pro is the better pick.

My Choice

If I had to choose between these two phones, I would pick the Oppo Find X3 Pro. The main reason is the significantly superior display with higher resolution and brightness, which improves the viewing experience for media, reading and general use. The additional telephoto lens and faster wireless charging are added benefits. While the OnePlus 9 has advantages such as 8K video recording and better low-light performance on the main camera, I value the better screen resolution and added optical zoom on the Oppo Find X3 Pro more. The added RAM and storage options also make it a more future-proof device for my needs. While both are excellent, the Oppo Find X3 Pro offers a better overall experience for my personal use case.

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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