OnePlus 9 Pro vs Xiaomi 14 - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 9 Pro
OnePlus 9 Pro
Oneplus
Xiaomi 14
Xiaomi 14
Xiaomi

General

Launch Date March 30, 2021 November 1, 2023
Release Year 2021 2023

Physical

Volume 104.5 cm³ 89.59 cm³
Screen Size to Weight Ratio 3.4 "/g 3.38 "/g
Weight 197 g 188 g
Height 163.2 mm 152.8 mm
Width 73.6 mm 71.5 mm
Thickness 8.7 mm 8.2 mm
Foldable Design No No
Available Colors
  • Forest Green
  • Morning Mist
  • Stellar Black
  • Black
  • White
  • Pink
  • Jade Green

Display

Screen Size 6.7 " 6.36 "
Resolution 1440 x 3216 1200 x 2670
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.9 % 89.3 %
Pixel Density 525 PPI 460 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A 1000 nits
HBM Brightness N/A N/A
Peak Brightness 1300 nits 3000 nits

Hardware

Battery Capacity per Screen Area 100.25 mAh/in² 113.97 mAh/in²
Battery Density 43.06 mAh/cm³ 51.46 mAh/cm³
Battery Capacity 4500 mAh 4610 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55 Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)
GPU Adreno 660 Adreno 750

Connectivity

USB Version 3.1 3.2
OTG Support 1 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 3.1, OTG USB Type-C 3.2, OTG

Software

Operating System Android Android
Initial OS Version 11 14
Maximum OS Version 14 18

Comparison Summary

1. Specifications Comparison

Design & Build

FeatureOnePlus 9 ProXiaomi 14Practical Impact
Dimensions163.2 × 73.6 × 8.7 mm152.8 × 71.5 × 8.2 mmXiaomi 14 is more compact, better for one-handed use and pocketability; OnePlus 9 Pro is larger, for better media consumption.
Weight197g188gXiaomi 14 is lighter, more comfortable for extended use.
Build MaterialNot specifiedNot specifiedUnknown, but impacts durability and overall feel in the hand.
Screen ProtectionCorning Gorilla Glass 5Corning Gorilla Glass VictusXiaomi 14 has more durable glass, better scratch and drop resistance

Display

FeatureOnePlus 9 ProXiaomi 14Practical Impact
Size6.7"6.36"OnePlus 9 Pro has a larger display, better for media consumption and multitasking. Xiaomi 14 is more compact.
Resolution1440x32161200x2670OnePlus 9 Pro's display is noticeably sharper, which results in clearer text and images.
Pixel Density525 PPI460 PPIOnePlus 9 Pro provides a clearer display with less visible pixelation
TechnologyNot specifiedOLEDXiaomi 14 has richer colors, better contrast, and deeper blacks, along with potential energy efficiency gains.
Refresh Rate120Hz120HzBoth are equally smooth for scrolling and animations.
Brightness1300 nits3000 nitsXiaomi 14 is significantly brighter, offering much better outdoor visibility, especially in sunlight.

Performance

FeatureOnePlus 9 ProXiaomi 14Practical Impact
ChipsetQualcomm Snapdragon 888 (5 nm)Qualcomm Snapdragon 8 Gen 3 (4 nm)Xiaomi 14 is much faster, smoother experience with apps, multitasking, gaming. More efficient, potentially better battery life.
AnTuTu Score877,6001,985,014Xiaomi 14 has significantly higher performance for gaming and intensive tasks; a 126% performance uplift over the OnePlus 9 Pro.
GPUAdreno 660 (Adreno 660)Adreno 750 (Adreno 750)Xiaomi 14 offers faster graphics performance in gaming and GPU intensive tasks

Camera

FeatureOnePlus 9 ProXiaomi 14Practical Impact
Main Camera Resolution48MP (f/1.8, 1/1.43", 1.12µm, Sony IMX789)50MP (f/1.6, 1/1.31", 1.20µm, Omnivision OVX9000)Xiaomi 14 might capture slightly more detailed images, especially in low light due to wider aperture and larger sensor.
Telephoto + Portrait CameraNot available50MP (f/2.0, 1/2.76", 0.64µm, Samsung S5KJN1)Xiaomi 14 has a dedicated telephoto/portrait lens for versatile zoomed images and portrait photography.
Telephoto Lens8MP (f/2.4, 1/4.4", 1.00µm, Omnivision OV08A10)Not availableOnePlus 9 Pro offers a dedicated telephoto lens for zoomed images, although it has lower resolution compared to the Xiaomi 14's Portrait lens
Wide Angle Lens Resolution50MP (f/2.2, 1/1.56", 1.00µm, Sony IMX766)50MP (f/2.2, 1/2.76", 1.12µm, Samsung S5KJN1)OnePlus 9 Pro has larger sensor, possibly better low-light images. Xiaomi 14 has larger pixels which usually means better low-light performance.
Black & White Lens2MP (f/2.4)Not availableOnePlus 9 Pro offers an additional black and white sensor for monochrome photography or enhanced colour images
Selfie Camera Resolution16MP (f/2.4, 1/3.13", 0.70µm, Sony IMX471)32MP (1/3", 0.70µm, Omnivision OV32B)Xiaomi 14 takes higher resolution selfies, capturing more detail.
Video RecordingUp to 8K@120fpsUp to 8K@24fpsBoth offer high quality video, but OnePlus 9 Pro can capture 8k video at a much higher frame rate.
DXOMARK ScoreMobile: 122, Photo: 124, Video: 118Mobile: 138, Photo: 137, Video: 138Xiaomi 14 significantly outperforms OnePlus 9 Pro in overall camera performance.
RAW Capture Bits12 bits14 bitsXiaomi 14 offers more dynamic range in RAW images, for better post-processing results

Battery

FeatureOnePlus 9 ProXiaomi 14Practical Impact
Capacity4500mAh4610mAhBoth have similar battery sizes, suggesting comparable battery life.
Charging65W Fast Charging90W Fast ChargingXiaomi 14 charges much faster, reducing waiting times significantly.
Wireless Charging50W50WBoth can charge wirelessly at a fast rate, offering convenience for charging
Reverse Wireless ChargingYes10WOnePlus 9 Pro has an advantage in reverse wireless charging speeds
Battery Management ChipNoPengpai G1/P2Xiaomi 14 has a dedicated management chip that can improve battery life and performance

Software, Connectivity & Storage

FeatureOnePlus 9 ProXiaomi 14Practical Impact
OSAndroid 11, Max Version 14Android 14, Max Version 18Xiaomi 14 has a newer OS with more recent features and longer software support.
WiFiWiFi 6WiFi 7Xiaomi 14 has faster Wi-Fi, better performance in crowded networks and lower latency with WiFi 7.
BluetoothBluetooth 5.2Bluetooth 5.4Xiaomi 14 has newer bluetooth, with higher speeds, higher range, and lower latency
GPSGPS, A-GPS, GLONASS, Beidou, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a)A-GPS, GLONASS, Beidou, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), NavIC SystemXiaomi 14 should have more accurate location tracking with more supported satelite systems.
Internal Storage128GB/256GB256GB/512GB/1024GBXiaomi 14 has much more storage options, ideal for users with large media libraries.
RAM8GB/12GB8GB/12GB/16GBXiaomi 14 provides more RAM for better multitasking, particularly beneficial when running demanding applications.
Expandable StorageNoNoNeither phone allows for additional storage, a point to consider when choosing storage size

Audio, Security & Sensors

FeatureOnePlus 9 ProXiaomi 14Practical Impact
Audio QualityDolby Atmos, Stereo Speakers, 3 microphonesDolby Atmos, Hi-Res Audio, Stereo Speakers, 4 microphonesXiaomi 14 has superior audio with Hi-Res audio, and more microphones for better audio recording.
SecurityBasic Fingerprint SensorBasic Fingerprint SensorBoth provide standard fingerprint security.
SensorsAccelerometer, Compass, Gyroscope, Proximity, FingerprintAccelerometer, Compass, Gyroscope, Proximity, Barometer, RGB, FingerprintXiaomi 14 includes additional environmental sensors, for use in other applications.

2. Key Differences Analysis

OnePlus 9 Pro Advantages:

  • Larger Display: 6.7" screen is better for media consumption, multitasking, and those who prefer larger interfaces.
  • Higher Resolution and Pixel Density: Sharper display (1440 x 3216 vs 1200 x 2670) with 525 PPI for clearer text and images.
  • 8K Video @ 120fps: For users who need higher frame rates on 8K recording, a very high end option.
  • Telephoto Lens: The telephoto lens is useful for those who value dedicated optical zoom.
  • Black & White Sensor: For specialized monochrome photography.
  • Reverse Wireless Charging Speeds: Faster reverse wireless charging for peripherals

Xiaomi 14 Advantages:

  • Newer Chipset: Snapdragon 8 Gen 3 provides significantly superior performance in both processing and graphics, crucial for demanding applications, gaming, and future-proofing.
  • Higher DXOMARK Score: Significantly better camera system for both photo and video.
  • Superior Display: OLED technology offers better contrast, colors, and blacks, especially along with the much higher brightness for great outdoor visibility.
  • Faster Charging: 90W charging significantly reduces charging time compared to 65W.
  • Newer Software and Features: Android 14 and longer update lifespan, and features like Pengpai G1/P2.
  • More Storage Options: Up to 1024GB of storage for users with large media libraries.
  • Additional Sensors: Includes a Barometer for environmental measurements.
  • Better Audio: Hi-Res Audio and 4 microphones, for better audio capture and playback.

Significant Trade-offs:

  • OnePlus 9 Pro: While having a larger and higher resolution display, it has inferior brightness, display tech, performance, and camera capabilities, as well as older software.
  • Xiaomi 14: Smaller screen size compared to the OnePlus 9 Pro may be a drawback for users who prioritize a larger display, and a dedicated telephoto lens.

3. User Profiles & Recommendations

Ideal Users for OnePlus 9 Pro:

  • Users who prioritize screen size: Those who consume a lot of media or like a large canvas for multi-tasking.
  • Photography enthusiasts wanting monochrome: Those who would like to experiment with the dedicated monochrome sensor, and do not need the higher camera quality offered by the Xiaomi 14.
  • Price-conscious shoppers: Now being an older device, its price will likely be lower than the newer Xiaomi 14, which may make it an attractive option for users on a budget.

Ideal Users for Xiaomi 14:

  • Performance Seekers: Gamers and power users who need the latest and most powerful chipset for demanding tasks and long-term performance.
  • Photography Enthusiasts: Those who want a top-tier mobile camera system with higher overall image quality.
  • Users needing superior display: Those that want better color and contrast, alongside outdoor readability.
  • Future-Proofing: Users who want the latest software and features with longer support.
  • Users with large media libraries: Those who need ample storage space.
  • Users wanting better audio: Those who want better quality audio capture and playback.

Use Cases:

  • OnePlus 9 Pro:
    • Watching movies and TV shows
    • Reading e-books or articles
    • Basic social media and web browsing
    • Monochrome Photography
  • Xiaomi 14:
    • High-end gaming
    • Professional-level mobile photography and videography
    • Heavy multitasking with demanding apps
    • Frequent travel and outdoor use, needing screen visibility in sunlight
    • Users who want fast charging times.

Price-to-Value Ratio:

  • The OnePlus 9 Pro will likely have a lower price than the Xiaomi 14, due to it being an older device, but will not be as capable. The Xiaomi 14 has better specs for a modern smartphone, but that comes at a cost.

4. Decision Framework

Key Questions for Buyers:

  1. How important is display size to you? (Do you prefer a larger screen for media or a more compact device for handling)
  2. How much do you value top-tier performance and future-proofing? (Is having the latest chipset a priority for you?)
  3. What is more important to you, camera performance or having a specific camera (Telephoto, Monochrome)? (Do you want the overall superior camera, or prefer dedicated lenses?)

Scenario-Based Recommendations:

  • Scenario 1: Budget Conscious, Casual User: If you prioritize saving money and just need a reliable smartphone for everyday tasks and some media consumption, the OnePlus 9 Pro will do well, but at a cost of being inferior in almost every other regard.
  • Scenario 2: Performance-Oriented User: If you are a gamer, use demanding applications, or want the latest software, the Xiaomi 14 is the better option due to its superior chipset, longer software support, display and camera.
  • Scenario 3: Photography Enthusiast: If you value overall camera quality (including both photo and video), the Xiaomi 14 is the clear winner, however if you specifically would like the monochrome lens, the OnePlus 9 Pro would be the better choice, at a cost to its camera quality.
  • Scenario 4: Large Media Consumption: If you are someone who watches a lot of media, the larger display of the OnePlus 9 Pro might appeal, however the Xiaomi 14 has a better display in almost every other regard, making it the overall better option.

My Choice

If I were choosing between these two phones, I would choose the Xiaomi 14. While the larger, higher resolution screen of the OnePlus 9 Pro is appealing, the Xiaomi 14 offers a more comprehensive package for a modern smartphone. The substantially better performance with the Snapdragon 8 Gen 3, along with its superior camera system, higher display brightness and OLED technology, faster charging, newer software, and better audio capabilities make it a much better pick for long-term use. While the larger display of the OnePlus 9 Pro has its benefits, the overall user experience of the Xiaomi 14 makes it the more compelling choice for me. The longer software support, and more powerful processor will also help it to be a better investment in the long run.

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
  • Digital media communication
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Bridging technical complexity with engaging, accessible narratives.