OnePlus 9 vs Xiaomi Poco M6 Pro - 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 96.66 cm³
Screen Size to Weight Ratio 3.41 "/g 3.73 "/g
Weight 192 g 179 g
Height 160 mm 161.1 mm
Width 74.2 mm 75 mm
Thickness 8.7 mm 8 mm
Foldable Design No No
Available Colors
  • Winter Mist
  • Arctic Sky
  • Astral Black
  • Black
  • Blue
  • Purple

Display

Screen Size 6.55 " 6.67 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 87.2 % 88.9 %
Pixel Density 402 PPI 395 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 1000 nits
Peak Brightness 1100 nits 1300 nits

Hardware

Battery Capacity per Screen Area 104.89 mAh/in² 112.39 mAh/in²
Battery Density 43.57 mAh/cm³ 51.73 mAh/cm³
Battery Capacity 4500 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Mediatek Helio G99 Ultra
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Adreno 660 Mali-G57 MC2

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

Comparison Summary

1. Specifications Comparison

Here's a detailed comparison of the OnePlus 9 and Xiaomi Poco M6 Pro, highlighting their practical implications:

Design

FeatureOnePlus 9Xiaomi Poco M6 ProPractical Impact
Physical Size160 × 74.2 × 8.7 mm161.1 × 75 × 8 mmPoco M6 Pro is slightly taller and thinner, but the OnePlus 9 has larger overall volume. The difference will be minor for most users, but might be a consideration for pocket fit.
Weight192g179gThe Poco M6 Pro is slightly lighter, which could be more comfortable during prolonged use.

Display

FeatureOnePlus 9Xiaomi Poco M6 ProPractical Impact
Size6.55"6.67"The Poco M6 Pro has a slightly larger screen, offering a bit more viewing area.
Resolution1080x24001080x2400Both phones offer the same sharpness.
PPI402395Practically identical pixel density, meaning similar sharpness.
TechnologyAMOLEDAMOLEDBoth offer vibrant colors and deep blacks.
Refresh Rate120Hz120HzBoth offer smooth scrolling and animations.
Brightness1100 nits1800 nitsThe Poco M6 Pro is significantly brighter, making it much easier to see in direct sunlight.

Performance

FeatureOnePlus 9Xiaomi Poco M6 ProPractical Impact
ChipsetQualcomm Snapdragon 888 5GMediatek Helio G99 UltraThe OnePlus 9's Snapdragon 888 offers substantially higher performance, resulting in faster app loading, smoother multitasking, and superior gaming.
AnTuTu Score880,900450,000The OnePlus 9 is significantly more powerful, reflected in its benchmark score, which translates to better performance in daily use.
GPUAdreno 660Mali-G57 MC2The Adreno 660 in the OnePlus 9 provides much better graphics performance, particularly noticeable in demanding games and graphics-intensive applications.

Camera

FeatureOnePlus 9Xiaomi Poco M6 ProPractical Impact
Standard Camera48MP, f/1.79, 1/1.4", Sony IMX68964MP, f/1.79, 1/2", Omnivision OV64BPoco M6 Pro has a higher resolution sensor, but the OnePlus 9 has a larger sensor which generally captures more light and better dynamic range.
Selfie Camera16MP, f/2.4, 1/3.13", Sony IMX47116MP, 1/3.06", Omnivision OV16A1QBoth have the same resolution; Poco M6 Pro has a slightly larger sensor.
Wide Angle Lens50MP, f/2.2, 1/1.56", Sony IMX766NoneThe OnePlus 9 offers a dedicated wide-angle camera for capturing more in a scene.
Portrait Mode (Depth)None2MP, f/2.45, 1/5", Omnivision OV02B10The Poco M6 Pro provides depth sensing for better portrait mode effects.
Wide Angle + MacroNone8MP, f/2.2, 1/2.8", Sony IMX355The Poco M6 Pro offers a dedicated macro camera.
Black & White2MP, f/2.4NoneOnePlus 9 includes a monochrome sensor.
Video RecordingUp to 8K@30fps, 4K@60fpsUp to 1080p@60fpsThe OnePlus 9 has a much wider range of video recording capabilities.
Video StabilizationEISEIS + OISThe Poco M6 Pro has the added advantage of OIS for more stable videos.
Features4K/8K Video, Digital zoom, Triple camera, Digital image stabilization, Ultra stable video, Autofocus, Touch focus, Manual focus, PDAF/CDAF, HDR, Night Mode, RAW 12 bits.4K Video, Digital zoom, Triple camera, Digital image stabilization, OIS, Autofocus, Touch focus, PDAF, HDR.OnePlus 9 offers more control and pro features, while Xiaomi Poco M6 Pro offers OIS.

Battery

FeatureOnePlus 9Xiaomi Poco M6 ProPractical Impact
Capacity4500mAh5000mAhThe Poco M6 Pro has a larger battery, likely providing longer battery life.
Charging65W Fast Charging, 15W Wireless Charging67W Fast ChargingThe Poco M6 Pro offers a slightly faster wired charging, while OnePlus 9 has the option of wireless charging.
RemovableNon-removableNon-removableNeither phone allows for battery replacement.

Software

FeatureOnePlus 9Xiaomi Poco M6 ProPractical Impact
OSAndroid 11, upgradable to 13Android 13Poco M6 Pro launches with a newer version of Android, which may offer better features and security patches.

Connectivity

FeatureOnePlus 9Xiaomi Poco M6 ProPractical Impact
Wi-FiWi-Fi 6Wi-Fi 5OnePlus 9 supports the newer Wi-Fi standard, offering faster speeds and better performance with compatible routers.
Bluetooth5.25.2Similar Bluetooth versions, offering the same basic functionality.
GPSGPS (L1+L5), GLONASS, Beidou, Galileo, GPS, BeiDou (B1), Galileo (E1+E5a), BeiDou (B2)GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, BeiDou (B1)The OnePlus 9 provides broader support of satellite systems for improved accuracy.
SIMDual SIM (Nano)Dual SIM (Nano)Both phones support dual SIM functionality.

Storage

FeatureOnePlus 9Xiaomi Poco M6 ProPractical Impact
Internal Storage128 GB or 256 GB128 GB, 256GB or 512GBThe Poco M6 Pro offers more storage options.
RAM8 GB or 12 GB6 GB, 8 GB or 12 GBBoth offer options for sufficient RAM for multitasking; Poco M6 Pro has more RAM configuration options.
Expandable StorageNoNoNeither phone supports additional storage via microSD cards.

Audio

FeatureOnePlus 9Xiaomi Poco M6 ProPractical Impact
QualityDolby Atmos, Noise cancellation microphone, Stereo Speakers, 3 microphonesDolby Atmos, Hi-Res Audio, Stereo SpeakersOnePlus 9 features better audio recording quality with three microphones and noise cancelation, while Poco M6 Pro offers Hi-Res Audio for higher fidelity playback.

Security

FeatureOnePlus 9Xiaomi Poco M6 ProPractical Impact
Fingerprint Sensorbasic fingerprint sensorbasic fingerprint sensorBoth phones offer similar fingerprint unlocking.

Build Quality

FeatureOnePlus 9Xiaomi Poco M6 ProPractical Impact
Screen ProtectionGorilla Glass 5Gorilla Glass 5Both phones offer the same level of scratch and impact resistance.

Sensors

FeatureOnePlus 9Xiaomi Poco M6 ProPractical Impact
SensorsFingerprint, Accelerometer, Compass, Gyroscope, ProximityFingerprint, Accelerometer, Compass, Gyroscope, Ultrasonic proximity virtual, GravityBoth phones have a comprehensive sensor suite for various applications and gaming experiences

2. Key Differences Analysis

OnePlus 9 Advantages:

  • Significantly Superior Performance: The Snapdragon 888 chipset provides vastly higher processing power, resulting in faster app launches, smoother multitasking, and better gaming experiences.
  • Superior Camera System: Features a more advanced main sensor and a high-quality ultrawide lens, resulting in better image quality, particularly in low light, and a wider range of camera versatility.
  • Higher Quality Video Recording: Supports up to 8K video recording, with a wider variety of video features for enthusiasts and professionals.
  • Faster Wi-Fi: Supports Wi-Fi 6, resulting in faster and more reliable wireless network speeds.
  • Wireless Charging: The inclusion of wireless charging adds convenience.
  • Better Audio Recording: Noise cancellation microphone, 3 microphones for enhanced audio recording.

Xiaomi Poco M6 Pro Advantages:

  • Brighter Display: Significantly higher brightness makes it much easier to see the screen in direct sunlight.
  • Larger Battery: The 5000 mAh battery may provide longer battery life compared to the OnePlus 9.
  • Faster Charging: 67W fast charging offers a slight increase in charging speed.
  • More Storage Options: Up to 512GB of internal storage provides space for more apps, photos and videos.
  • Optical Image Stabilization (OIS): Provides more stable video footage and sharper images, particularly in low light.
  • Newer Android OS: Launches with Android 13, offering potentially better features, optimizations, and security updates.
  • Dedicated Macro Lens: The dedicated macro lens can take close-up photos.

Trade-offs:

  • The OnePlus 9 trades battery life and display brightness for significantly better performance, camera quality, and faster connectivity.
  • The Xiaomi Poco M6 Pro trades raw performance for a brighter display, longer battery life and more storage.

3. User Profiles & Recommendations

OnePlus 9 is ideal for:

  • Power Users & Gamers: Users who need the highest level of performance for demanding applications, games, and multitasking.
  • Photography Enthusiasts: Users who prioritize camera quality and versatility, particularly low-light performance and wide-angle shots.
  • Video Creators: Users who need higher-quality video recording capabilities, including 8K support.
  • Users who value fast connectivity: Users who need fast and reliable Wi-Fi connectivity.

Use Cases:

  • Playing graphics-intensive mobile games at high settings.
  • Editing 4K and 8K videos on the go.
  • Taking high-quality photos and videos in various conditions.
  • Heavy multitasking with numerous apps and browser tabs.

Xiaomi Poco M6 Pro is ideal for:

  • Everyday Users: Users who prioritize a reliable phone with a long battery life and good display visibility.
  • Budget-Conscious Buyers: Users seeking a good overall experience at a more affordable price.
  • Multimedia Consumers: Users who watch a lot of videos and want a bright display.
  • Casual Photographers: Users who need a functional camera setup for everyday use.
  • Users who require more storage: Users that value storing more data on their smartphone.

Use Cases:

  • Browsing the web, using social media, and watching videos.
  • Taking casual photos and videos.
  • Long days away from a charger where battery life is critical.
  • Outdoor usage in direct sunlight.

4. Decision Framework

Consider the following questions before making your choice:

  1. How important is raw performance to you? If you prioritize gaming and demanding tasks, the OnePlus 9 is the better choice. If you are an average user, the Poco M6 Pro should be adequate.
  2. Do you take a lot of photos and videos, and how important is quality? If camera quality is important and you value wide-angle photography and higher resolution video capture, the OnePlus 9 is superior. If you are more of a casual user who is looking for more versatile photography, the Poco M6 Pro is a decent alternative.
  3. How much do you value battery life and display brightness? If these are your priorities, the Poco M6 Pro is the better option. However if you value performance and wireless charging, the OnePlus 9 has the edge.

Scenario-Based Recommendations:

  • Scenario 1: Heavy Mobile Gamer: Choose the OnePlus 9 for its significantly better performance and graphics capabilities.
  • Scenario 2: Outdoor User: Choose the Xiaomi Poco M6 Pro for its much brighter display, making it easier to see under bright sunlight and better battery life.
  • Scenario 3: Photography Enthusiast: Choose the OnePlus 9 for its higher-quality main camera and better wide-angle lens, along with more advanced video recording features.
  • Scenario 4: Budget Conscious Everyday User: Choose the Xiaomi Poco M6 Pro for its overall good performance and features at a more affordable price.

My Choice

Given the specifications and use case analysis, I would choose the OnePlus 9. While the Poco M6 Pro offers a brighter display and better battery life, the performance difference is significant. As someone who uses a smartphone for a variety of demanding tasks such as gaming, photo and video editing, and multitasking, the superior processing power of the Snapdragon 888, the advanced camera system with a dedicated ultrawide, and the higher video capabilities make the OnePlus 9 a more compelling option for me. The inclusion of wireless charging and faster Wi-Fi are also welcome additions that make the OnePlus 9 the better choice. While it may not have the latest Android OS out of the box, the update to Android 13 is still acceptable.

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.