OnePlus 9 vs Xiaomi Poco X6 - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 9
OnePlus 9
Oneplus

General

Launch Date March 26, 2021 January 12, 2024
Release Year 2021 2024

Physical

Volume 103.29 cm³ 95.82 cm³
Screen Size to Weight Ratio 3.41 "/g 3.69 "/g
Weight 192 g 181 g
Height 160 mm 161.2 mm
Width 74.2 mm 74.3 mm
Thickness 8.7 mm 8 mm
Foldable Design No No
Available Colors
  • Winter Mist
  • Arctic Sky
  • Astral Black
  • Black
  • Blue
  • White

Display

Screen Size 6.55 " 6.67 "
Resolution 1080 x 2400 1220 x 2712
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 87.2 % 89.7 %
Pixel Density 402 PPI 446 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A 500 nits
HBM Brightness N/A 1200 nits
Peak Brightness 1100 nits 1800 nits

Hardware

Battery Capacity per Screen Area 104.89 mAh/in² 114.64 mAh/in²
Battery Density 43.57 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 13 16

Comparison Summary

1. Specifications Comparison

FeatureOnePlus 9Xiaomi Poco X6Practical Impact
Design
Dimensions160 × 74.2 × 8.7 mm161.2 × 74.3 × 8 mmPoco X6 is slightly taller and thinner; OnePlus 9 has larger volume. Minimal difference for most users.
Weight192g181gPoco X6 is 11g lighter, which might be noticeable during extended use.
Display
Size6.55"6.67"Poco X6 has a slightly larger display, which might be preferable for media consumption.
Resolution1080x24001220x2712Poco X6 offers sharper visuals due to higher pixel density.
Pixel Density402 ppi446 ppiPoco X6 has a slightly sharper display, resulting in more detail for images and text.
TechnologyAMOLEDAMOLEDBoth displays offer vibrant colors and deep blacks.
Refresh Rate120Hz120HzBoth provide smooth scrolling and animations, leading to a fluid user experience.
Brightness1100 nits1800 nitsPoco X6 is significantly brighter, making it much more visible in direct sunlight.
Performance
ChipsetQualcomm Snapdragon 888 (5 nm)Qualcomm Snapdragon 7s Gen 2 (4 nm)OnePlus 9's chipset is more powerful for demanding tasks and gaming.
AnTuTu Score880,900603,400OnePlus 9 offers notably faster app loading and smoother performance in graphically intense applications.
GPUAdreno 660Adreno 710OnePlus 9's GPU provides better performance for gaming and graphics-intensive apps.
Camera
Main Camera Resolution48MP64MPPoco X6 captures more detailed images in good lighting conditions.
Main Camera Sensor Size1/1.4"1/2"OnePlus 9 has a larger sensor, typically resulting in better low-light performance and dynamic range.
Main Camera Pixel Size1.12 µm0.70 µmOnePlus 9 captures more light, aiding low light shots
Wide Angle Lens50MPNoneOnePlus 9 offers a dedicated wide angle lens for landscape and group photos.
Macro LensNone2MPPoco X6 has a dedicated macro camera for detailed close-up shots.
Wide Angle + Macro LensNone8MPPoco X6 offers a wide angle + macro lens
Selfie Camera Resolution16MP16MPSimilar resolution on both phones.
Selfie Camera Sensor Size1/3.13"1/3.06"Poco X6 has a slightly larger sensor for selfies.
Black & White Lens2MPNoneOnePlus 9 has a dedicated black and white lens for artistic shots.
Video RecordingUp to 8K@30fpsUp to 4K@30fpsOnePlus 9 allows higher resolution videos, suitable for professional-grade content creation; OnePlus 9 supports HDR while poco x6 does not.
Video StabilizationEISEIS + OISXiaomi Poco X6 provides optical image stabilization for smoother video recording.
Battery
Capacity4500mAh5100mAhPoco X6 is likely to have longer battery life due to larger capacity.
Charging65W67WBoth phones offer very fast charging, with Poco X6 being negligibly faster.
Wireless Charging15WNoneOnePlus 9 supports wireless charging, providing added convenience.
Software
OS VersionAndroid 11 (upgradable to 13)Android 13 (upgradable to 16)Poco X6 has a more modern operating system and will receive future updates for longer.
Connectivity
Wi-FiWi-Fi 6 (802.11ax)Wi-Fi 5 (802.11ac)OnePlus 9 is able to access faster speeds in compatible networks and offers lower latency.
Bluetooth5.25.2Similar Bluetooth capabilities for connecting to wireless devices.
GPSL1+L5, E1+E5a, B2QZSS, B1OnePlus 9 has more accurate location services.
Storage
Internal Storage128/256 GB256/512 GBPoco X6 offers more storage, especially with the 512GB option.
RAM8/12 GB8/12 GBBoth provide sufficient RAM for multitasking and apps.
Expandable StorageNoNoNeither allows storage expansion via microSD card.
Audio
Audio QualityDolby Atmos, Stereo Speakers, Noise Cancellation Mic, 3 MicsDolby Atmos, Stereo Speakers, Hi-Res AudioOnePlus 9 offers enhanced spatial audio and voice capture; Xiaomi Poco X6 offers Hi-Res audio support.
Security
FeaturesFingerprint sensorFingerprint sensorBoth offer basic biometric security.
Build Quality
Screen ProtectionCorning Gorilla Glass 5Corning Gorilla Glass VictusPoco X6 has better scratch resistance and drop protection on the screen.
Sensors
SensorsFingerprint, Proximity, Accelerometer, Compass, GyroscopeFingerprint, Accelerometer, Compass, Gyroscope, Ultrasonic virtual proximityPoco X6 has a slightly different approach to proximity sensing with a virtual sensor.

2. Key Differences Analysis

OnePlus 9 Advantages:

  • Superior Performance: The Snapdragon 888 chipset provides significantly better performance for demanding tasks, including gaming and resource-intensive applications.
  • Better Main Camera Low-Light: The larger 1/1.4" main camera sensor results in better low-light performance and better dynamic range.
  • Wider Variety of Lenses: The inclusion of a 50MP wide angle lens and 2MP black and white lens provides more creative flexibility.
  • Wireless Charging: Offers 15W wireless charging which is an additional convenience for users.
  • Higher Video Resolution: Supports 8K video recording, which is suitable for professional content creators.
  • Better Audio: The inclusion of a noise cancelling microphone and 3 microphones offers better audio quality and immersion.
  • More Accurate GPS: Supports more GPS systems which results in more accurate location services.

Xiaomi Poco X6 Advantages:

  • Larger, Sharper Display: The slightly larger 6.67" display with higher resolution and pixel density offers a more immersive and detailed visual experience.
  • Higher Brightness: The 1800 nits brightness offers much better visibility in bright, sunny conditions.
  • Larger Battery: The 5100mAh battery will result in better battery life.
  • More Storage: The availability of a 512GB storage option provides more space for media and apps.
  • OIS: The inclusion of Optical Image Stabilization leads to smoother videos and sharper low-light images.
  • Newer OS: Ships with Android 13, and will be eligible for updates up to Android 16, offering a modern software experience.
  • Better Screen Protection: The use of Gorilla Glass Victus offers better protection against drops and scratches compared to OnePlus 9.

Trade-offs:

  • The OnePlus 9 sacrifices battery life and screen brightness for better performance and camera versatility.
  • The Xiaomi Poco X6 gives up some processing power for better display and battery life, making it more suitable for media consumption and general use.

3. User Profiles & Recommendations

OnePlus 9 Ideal Users:

  • Mobile Gamers: The Snapdragon 888 chipset and Adreno 660 GPU provide a better gaming experience.
  • Content Creators: The 8K video capabilities and variety of cameras and sensors appeal to content creators who need maximum quality.
  • Power Users: Those who need fast and smooth operation for heavy multitasking.
  • Users who need more accurate location services: Users who rely heavily on GPS navigation.
  • Users who use wireless charging: Those who want wireless charging support for added convenience

Specific Use Cases for OnePlus 9:

  • Playing graphically intensive mobile games like Genshin Impact or Call of Duty Mobile at high settings.
  • Filming professional-grade videos and editing them directly on the phone.
  • Running multiple apps simultaneously without experiencing performance issues.

Xiaomi Poco X6 Ideal Users:

  • Media Consumers: The larger and brighter display with higher resolution makes it ideal for watching videos, browsing, and reading.
  • Everyday Users: Users who need a reliable phone with long battery life for daily tasks.
  • Casual Photographers: Those who primarily take everyday photos in good lighting conditions.
  • Users who want a modern OS: Users who want a phone with the latest software and long term support.
  • Users who want robust screen protection: Those who are accident prone and want the best screen protection available

Specific Use Cases for Xiaomi Poco X6:

  • Watching movies and TV shows on a vibrant and large display.
  • Using the phone all day without needing to recharge frequently.
  • Taking family photos and capturing everyday moments.
  • Browsing the internet, social media, and reading for extended periods of time.

4. Decision Framework

Key Questions for Buyers:

  1. Performance Priority: Do you need the absolute best performance for gaming and intensive tasks (OnePlus 9), or is good performance sufficient (Poco X6)?
  2. Display Needs: Is a super bright screen with high resolution more important (Poco X6) or a wider variety of camera options (OnePlus 9)?
  3. Battery Life vs Convenience: Do you prioritize all-day battery life (Poco X6) or is wireless charging more of a priority (OnePlus 9)?

Scenario-Based Recommendations:

  • Scenario 1: Avid gamer who needs the best graphics performance.
    • Recommendation: OnePlus 9. Its chipset and GPU offer much higher performance than the Poco X6.
  • Scenario 2: Frequent traveler who wants long battery life and outdoor visibility.
    • Recommendation: Xiaomi Poco X6. It has a brighter display and a larger battery which is beneficial for those who spend a lot of time outdoors and want a phone that lasts all day.
  • Scenario 3: Casual user who wants a smooth experience for social media and media consumption.
    • Recommendation: Xiaomi Poco X6. It's an excellent choice for everyday use, media consumption and a long battery life.
  • Scenario 4: Budget-conscious user who wants the best value for money
    • Recommendation: Xiaomi Poco X6. The Poco X6 offers newer software, a larger battery and more storage at a potentially lower price point.

My Choice

If I were choosing between these two phones, I would choose the Xiaomi Poco X6. While the OnePlus 9 offers superior processing power and a more versatile camera system, my priorities align more with the advantages offered by the Poco X6. I value a bright and clear display for outdoor visibility, the peace of mind offered by a more robust screen protection and a long lasting battery as I am often away from power outlets. While I don't often use a phone for demanding games, I do consume a lot of media and I find the larger and higher resolution display to be very beneficial. Additionally, the 512GB of storage is a considerable advantage which will allow me to store all my media and apps. Finally, I also want to be on a current operating system, and I prefer the software of the Poco X6.

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.