OnePlus 9 Pro vs Xiaomi Poco X6 - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 9 Pro
OnePlus 9 Pro
Oneplus

General

Launch Date March 30, 2021 January 12, 2024
Release Year 2021 2024

Physical

Volume 104.5 cm³ 95.82 cm³
Screen Size to Weight Ratio 3.4 "/g 3.69 "/g
Weight 197 g 181 g
Height 163.2 mm 161.2 mm
Width 73.6 mm 74.3 mm
Thickness 8.7 mm 8 mm
Foldable Design No No
Available Colors
  • Forest Green
  • Morning Mist
  • Stellar Black
  • Black
  • Blue
  • White

Display

Screen Size 6.7 " 6.67 "
Resolution 1440 x 3216 1220 x 2712
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.9 % 89.7 %
Pixel Density 525 PPI 446 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A 500 nits
HBM Brightness N/A 1200 nits
Peak Brightness 1300 nits 1800 nits

Hardware

Battery Capacity per Screen Area 100.25 mAh/in² 114.64 mAh/in²
Battery Density 43.06 mAh/cm³ 53.23 mAh/cm³
Battery Capacity 4500 mAh 5100 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Qualcomm SM7435-AB Snapdragon 7s Gen 2 (4 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55 Octa-core (4x2.40 GHz Cortex-A78 & 4x1.95 GHz Cortex-A55)
GPU Adreno 660 Adreno 710

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 13
Maximum OS Version 14 16

Comparison Summary

1. Specifications Comparison

Here's a detailed comparison of the OnePlus 9 Pro and Xiaomi Poco X6, focusing on practical implications:

Design

FeatureOnePlus 9 ProXiaomi Poco X6Practical Impact
Dimensions163.2 × 73.6 × 8.7 mm161.2 × 74.3 × 8 mmOnePlus 9 Pro is slightly taller and thicker, potentially feeling a bit bulkier; Xiaomi Poco X6 is more compact and might fit better in smaller hands.
Weight197g181gXiaomi Poco X6 is noticeably lighter, making it more comfortable for extended use, especially one-handed.

Display

FeatureOnePlus 9 ProXiaomi Poco X6Practical Impact
Size6.7"6.67"Minimal size difference; both offer large displays suitable for media consumption.
Resolution1440x32161220x2712OnePlus 9 Pro offers a sharper display with significantly more detail, beneficial for viewing high-resolution images and videos.
Pixel Density525 PPI446 PPIOnePlus 9 Pro has noticeably sharper text and images, leading to a more premium viewing experience.
TechnologyAMOLEDXiaomi Poco X6 has superior display technology, offering deeper blacks, better contrast, and more vibrant colors than the unspecified OnePlus 9 Pro panel, resulting in a more immersive viewing experience.
Refresh Rate120Hz120HzBoth offer smooth scrolling and animations; suitable for gaming and fast-paced content.
Brightness1300 nits1800 nitsXiaomi Poco X6 is significantly brighter, offering better visibility in direct sunlight.

Performance

FeatureOnePlus 9 ProXiaomi Poco X6Practical Impact
ChipsetQualcomm Snapdragon 888 5G (5 nm)Qualcomm Snapdragon 7s Gen 2 (4 nm)OnePlus 9 Pro offers superior performance for demanding tasks like gaming and video editing.
AnTuTu Score877,600603,400OnePlus 9 Pro is significantly faster, leading to smoother multitasking and app loading times.
GPUAdreno 660Adreno 710OnePlus 9 Pro's GPU handles high-end graphics more efficiently for gaming and graphically intensive apps.

Camera

FeatureOnePlus 9 ProXiaomi Poco X6Practical Impact
Main Camera Resolution48MP64MPXiaomi Poco X6 captures more detailed images in well-lit conditions due to higher resolution.
Main Camera Aperturef/1.8f/1.79Minimal difference; both are good in low-light scenarios.
Main Camera Sensor Size1/1.43"1/2"OnePlus 9 Pro's larger sensor generally results in better low-light performance and dynamic range.
Selfie Camera16MP16MPBoth capture detailed selfies.
Telephoto Lens8MPNot presentOnePlus 9 Pro can zoom optically, offering better quality at longer distances.
Wide-Angle Lens50MPNot presentOnePlus 9 Pro can capture wider scenes, useful for group photos or landscapes.
Macro LensNot present2MPXiaomi Poco X6 offers dedicated macro shots for close-up details.
Wide Angle + MacroNot present8MPXiaomi Poco X6 offers an ultrawide camera for group photos and landscapes with macro capability.
Black & White Camera2MPNot presentOnePlus 9 Pro offers creative black and white photography.
Video RecordingUp to 8K@30fpsUp to 4K@30fpsOnePlus 9 Pro allows recording 8K video with more options for professional video capture.
DXOMark Score122Not availableOnePlus 9 Pro's camera performance is well rated by DXOMark
Camera FeaturesMultiple, see aboveMultiple, see aboveOnePlus 9 Pro offers more extensive camera features, including more advanced options such as RAW capture and night mode.

Battery

FeatureOnePlus 9 ProXiaomi Poco X6Practical Impact
Capacity4500 mAh5100 mAhXiaomi Poco X6 provides significantly better battery life for all-day usage and less need for mid-day charging.
Charging Speed65W67WXiaomi Poco X6 can charge marginally faster and has a larger battery so a longer total charging period.
Battery FeaturesReverse charging, Wireless charging 50W, REverse wireless chargingNoneOnePlus 9 Pro offers wireless and reverse charging, providing more flexibility for power management.

Other

FeatureOnePlus 9 ProXiaomi Poco X6Practical Impact
Operating SystemAndroid 11 (upgradeable to 14)Android 13 (upgradeable to 16)Xiaomi Poco X6 offers a more modern Android experience out of the box, potentially with longer software support.
WiFiWiFi 6WiFi 5OnePlus 9 Pro supports the latest WiFi standard for faster internet speeds and reduced latency.
Internal Storage128/256 GB256/512 GBXiaomi Poco X6 provides more base storage at 256 and 512GB models.
RAM8/12 GB8/12 GBBoth provide sufficient RAM for smooth multitasking and gaming.
Expandable StorageNoNoNeither phone allows for expandable storage via microSD.
Audio QualityDolby Atmos, Stereo Speakers, Noise cancellation microphone, 3 microphonesDolby Atmos, Hi-Res Audio, Stereo SpeakersBoth phones offer stereo sound, but OnePlus 9 Pro offers enhanced audio capture with 3 microphones and noise cancellation, better suited for calls and recordings.
Screen ProtectionCorning Gorilla Glass 5Corning Gorilla Glass VictusXiaomi Poco X6 offers more robust screen protection against drops and scratches.

2. Key Differences Analysis

OnePlus 9 Pro Advantages

  • Superior Performance: The Snapdragon 888 offers much higher processing power, resulting in faster app loading, smoother gaming, and better overall responsiveness.
  • Higher Resolution Display: The sharper display with higher pixel density enhances the visual experience, making text and images appear crisper.
  • Advanced Camera System: Features a dedicated telephoto lens for optical zoom, an ultrawide lens, and a black-and-white lens, alongside more camera software features. Higher quality video recording up to 8k.
  • Wireless Charging: Offers fast 50W wireless charging and reverse wireless charging, adding convenience.
  • Premium Audio Recording: Has 3 microphones and noise cancellation offering enhanced spatial audio, clearer calls, better audio separation and immersion, and better voice capture.

Xiaomi Poco X6 Advantages

  • Longer Battery Life: The larger 5100mAh battery provides significantly more usage time, reducing the need for frequent charging.
  • Brighter Display: The 1800 nits display is significantly brighter, making it easier to see under direct sunlight.
  • Newer Software: The device ships with a newer version of Android and is expected to get updates for longer.
  • More Storage Options: 256 and 512GB vs 128 and 256GB
  • Better Screen Protection: Corning Gorilla Glass Victus provides enhanced scratch and drop resistance.
  • Macro Photography: Dedicated macro lens allows detailed close-up shots.

Trade-offs

  • OnePlus 9 Pro: Offers superior performance and a more advanced camera system, but sacrifices battery life and brightness, and does not have a macro lens.
  • Xiaomi Poco X6: Provides better battery life, display brightness and a more modern software experience, but is less powerful and has a less advanced camera system.

3. User Profiles & Recommendations

OnePlus 9 Pro Ideal User

  • Power Users: Individuals who prioritize top-tier performance for demanding tasks such as gaming, video editing, and heavy multitasking.
  • Photography Enthusiasts: Users who want a versatile camera system with optical zoom, high-quality images and professional video recording.
  • Tech Enthusiasts: Those who appreciate cutting-edge features, such as wireless charging and advanced audio recording.

Specific Use Cases:

  • Mobile gaming at the highest settings.
  • Professional-grade photography and videography.
  • Seamless multitasking with multiple demanding apps.

Xiaomi Poco X6 Ideal User

  • Everyday Users: Individuals who need a reliable phone with great battery life for daily use.
  • Budget-Conscious Buyers: Those looking for a balance of features and price, prioritizing a long-lasting battery and a bright display.
  • Media Consumers: Users who watch a lot of videos and browse in bright conditions.

Specific Use Cases:

  • All-day usage without needing to recharge, social media, browsing, and media consumption.
  • Outdoor use under bright sunlight.
  • Taking detailed close-up macro photos.

Price-to-Value Ratio

  • OnePlus 9 Pro: While offering higher performance and premium features, it is an older device, and is priced accordingly.
  • Xiaomi Poco X6: Provides better value for those prioritizing battery life, brighter display and a more modern software experience, without breaking the bank.

4. Decision Framework

Key Questions for Buyers:

  1. Performance vs. Battery Life: Do you prioritize raw processing power for gaming and demanding tasks, or do you need all-day battery life and less frequent charging?
  2. Camera Needs: Do you require telephoto zoom and an advanced camera system, or is a reliable camera with good low-light and macro performance sufficient?
  3. Display Preference: Do you value a super sharp display with vibrant colours, or a screen that is very visible under bright sunlight?

Scenario-Based Recommendations:

  • Scenario 1: Power User & Photographer: If you are a gamer or a photo/video enthusiast, the OnePlus 9 Pro is the better option, offering top-tier performance and camera versatility.

  • Scenario 2: Everyday User: If you need a phone for daily use, with reliable battery life, a bright display, and solid performance, the Xiaomi Poco X6 provides more value.

  • Scenario 3: Outdoor User: If you spend a lot of time outdoors and need a display that is visible in sunlight, the Xiaomi Poco X6 is the better choice because of its superior brightness.

My Choice

Given my own preferences and typical usage, I would choose the Xiaomi Poco X6. While the OnePlus 9 Pro's performance and camera capabilities are tempting, the Xiaomi Poco X6 strikes a better balance for me.

Here's why:

  • Battery Life: As someone who often forgets to charge my phone, the longer battery life of the Poco X6 is a major benefit.
  • Display Brightness: I frequently use my phone outdoors, and the brighter screen on the Poco X6 would be much more practical.
  • Modern Software: Having a more recent version of Android out of the box is preferable as I like to stay up-to-date on the latest features and security patches.
  • Value: For its price point, the Poco X6 offers a very good balance of features, performance and reliability.

While the OnePlus 9 Pro is a very capable device, the practical advantages of the Xiaomi Poco X6, particularly its superior battery life and brighter display, are more aligned with my daily needs.

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
  • Technical storytelling
  • User-centric technology insights

Bridging technical complexity with engaging, accessible narratives.