OnePlus 9 Pro vs Xiaomi Poco M4 5G - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 9 Pro
OnePlus 9 Pro
Oneplus

General

Launch Date March 30, 2021 October 7, 2022
Release Year 2021 2022

Physical

Volume 104.5 cm³ 111.08 cm³
Screen Size to Weight Ratio 3.4 "/g 3.29 "/g
Weight 197 g 200 g
Height 163.2 mm 164 mm
Width 73.6 mm 76.1 mm
Thickness 8.7 mm 8.9 mm
Foldable Design No No
Available Colors
  • Forest Green
  • Morning Mist
  • Stellar Black
  • Cool Blue
  • Poco Yellow
  • Power Black

Display

Screen Size 6.7 " 6.58 "
Resolution 1440 x 3216 1080 x 2408
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.9 % 83.6 %
Pixel Density 525 PPI 401 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 500 nits
Peak Brightness 1300 nits N/A

Hardware

Battery Capacity per Screen Area 100.25 mAh/in² 115.48 mAh/in²
Battery Density 43.06 mAh/cm³ 45.01 mAh/cm³
Battery Capacity 4500 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Mediatek Dimensity 700 (7 nm)
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 12
Maximum OS Version 14

Comparison Summary

1. Specifications Comparison

FeatureOnePlus 9 ProXiaomi Poco M4 5GPractical Impact
Design
Dimensions163.2 × 73.6 × 8.7 mm164 × 76.1 × 8.9 mmPoco M4 5G is slightly larger, might be less comfortable for one-handed use.
Weight197g200gVirtually identical weight, both feel reasonably substantial in hand.
Display
Size6.7"6.58"OnePlus 9 Pro offers a slightly more immersive viewing experience due to larger screen.
Resolution1440x32161080x2408OnePlus 9 Pro has a significantly sharper display, better for detail-oriented tasks like reading and watching high-res content.
PPI525401OnePlus 9 Pro offers noticeably sharper text and images, reducing pixelation.
TechnologyMissingIPS LCDPoco M4 5G has IPS LCD which is a common display type, contrast/color may be inferior compared to OLED (used by OnePlus but not mentioned).
Refresh Rate120Hz90HzOnePlus 9 Pro's display will feel smoother, especially in animations and scrolling, leading to a more premium experience.
Brightness1300 nits0 nitsOnePlus 9 Pro offers vastly superior visibility in bright sunlight, making it easier to use outdoors. Poco's brightness is likely in the 400-500 range
Performance
ChipsetQualcomm Snapdragon 888 5G (5nm)Mediatek Dimensity 700 (7nm)OnePlus 9 Pro will have significantly faster performance in all tasks, especially gaming and resource-intensive applications.
AnTuTu Score877,600381,300OnePlus 9 Pro offers a dramatically faster experience, suitable for heavy gaming, video editing and heavy multitasking.
GPUAdreno 660Mali-G57 MC2OnePlus 9 Pro will have better graphics performance, resulting in smoother gaming and rendering capabilities.
Battery
Capacity4500mAh5000mAhXiaomi Poco M4 5G will likely offer longer battery life due to the larger capacity.
Charging65W Fast Charging18W Fast ChargingOnePlus 9 Pro charges much faster, reducing downtime.
FeaturesWireless charging 50W, Reverse wireless chargingReverse ChargingOnePlus 9 Pro offers more versatile charging options, including wireless charging and the ability to charge other devices wirelessly.
Camera
Main Camera48MP f/1.8, 1/1.43", Sony IMX78913MP f/2.2OnePlus 9 Pro captures more detailed and brighter photos, especially in low light, thanks to the larger sensor and wider aperture.
Selfie Camera16MP f/2.4, 1/3.13" Sony IMX4715MP f/2.2OnePlus 9 Pro captures much higher resolution and better selfies due to the higher megapixel count and slightly wider aperture.
Telephoto Lens8MP f/2.4, 1/4.4" , Omnivision OV08A10NoneOnePlus 9 Pro offers optical zoom capabilities.
Wide Angle Lens50MP f/2.2, 1/1.56" Sony IMX766NoneOnePlus 9 Pro offers a dedicated wide-angle camera for capturing expansive landscapes and group photos.
Portrait CameraNone2MP f/2.4Xiaomi Poco M4 5G has a dedicated portrait lens for depth sensing.
Black & White Camera2MP f/2.4NoneOnePlus 9 Pro offers a dedicated black and white lens for artistic monochrome photos.
Video8K@30fps, 4K@120fps, EIS1080p@30fpsOnePlus 9 Pro offers far more advanced video recording features, including higher resolutions, frame rates, and video stabilization.
DxOMark122NoneOnePlus 9 Pro has a much better camera, verified by DxoMark scoring
Features8K Video, OIS, RAW, Laser AFDual Camera, basic featuresOnePlus 9 Pro has advanced camera features that allow much more control over photo and video capture.
Software
OSAndroid 11, Upgradable to 14Android 12Xiaomi Poco M4 5G has a more recent base version of Android; OnePlus 9 Pro still has update path.
Connectivity
Wi-FiWi-Fi 6 (802.11ax)Wi-Fi 5 (802.11ac)OnePlus 9 Pro offers faster and more reliable Wi-Fi connectivity.
BluetoothBluetooth 5.2, APT-x, LDAC, SBC, AACBluetooth 5.1, EDR, HIDOnePlus 9 Pro has a newer Bluetooth version, with better audio codec support for enhanced audio quality in wireless devices.
GPSGPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a)GPS, A-GPS, GLONASS, Beidou, GalileoOnePlus 9 Pro provides more accurate positioning due to more satellite system support.
SIMDual SIM Dual Standby (Nano SIM + Nano SIM)Dual SIM Dual Standby (Nano SIM + Nano SIM)Both have similar sim card options
Storage
Internal128GB/256GB64GB/128GBOnePlus 9 Pro offers significantly more storage, allowing for more apps, photos, and videos to be stored.
RAM8GB/12GB4GB/6GBOnePlus 9 Pro offers significantly more RAM, making multitasking smoother and preventing apps from being closed in the background.
ExpandableNoNoNeither phone supports expandable storage.
Audio
QualityDolby Atmos, Stereo Speakers, 3 MicsBasic audioOnePlus 9 Pro provides superior audio, with enhanced immersive experience, improved microphone quality for voice calls
Security
FeaturesBasic FingerprintSide-mounted fingerprintXiaomi Poco M4 5G has a more advanced fingerprint sensor
Build Quality
ProtectionCorning Gorilla Glass 5Corning Gorilla Glass 3OnePlus 9 Pro uses a superior screen protection against scratches and impacts
SensorsBiometric: Fingerprint; Proximity: Proximity; Motion: Accelerometer, Compass, Gyroscope, GravityBiometric: Fingerprint; Proximity: Proximity; Motion: Accelerometer, Compass, GyroscopeOnePlus 9 Pro offers more advanced sensor suite, suitable for advanced features, gaming.

2. Key Differences Analysis

OnePlus 9 Pro Advantages:

  • Superior Display: Higher resolution, higher pixel density, higher refresh rate, and significantly brighter screen lead to a sharper, smoother, more vibrant, and usable display in all lighting conditions.
  • Top-Tier Performance: The Snapdragon 888 chipset and much higher AnTuTu score ensure lightning-fast performance, making it ideal for heavy tasks like gaming, video editing, and multitasking.
  • Advanced Camera System: The OnePlus 9 Pro boasts a more versatile and higher-quality camera system, including better sensors, wide, telephoto, and B&W lens options, and high-resolution video recording, offering professional-grade photography and videography.
  • Enhanced Audio: The OnePlus 9 Pro offers Dolby Atmos, Stereo speakers and 3 Microphones.
  • Faster Charging and More Options: Features much faster wired charging as well as wireless charging and reverse wireless charging capabilities.
  • Better Connectivity: Supports newer Wi-Fi and Bluetooth standards, and more advanced GPS for superior connectivity.
  • Better Build Quality: Superior screen protection with Gorilla Glass 5.

Xiaomi Poco M4 5G Advantages:

  • Larger Battery: Offers slightly longer battery life due to the larger capacity, potentially extending usage time between charges.
  • More recent base Android version: The device has a newer base version of Android OS (12 vs 11).
  • Lower Cost: Likely to be significantly more affordable, making it a budget-friendly option.
  • Side-Mounted Fingerprint Sensor: More advanced fingerprint sensor.

Trade-offs:

  • OnePlus 9 Pro trades battery capacity and cost for significantly better performance, display quality, and camera capabilities.
  • Xiaomi Poco M4 5G sacrifices performance, camera quality, display quality, and charging speed for a lower price and larger battery.

3. User Profiles & Recommendations

OnePlus 9 Pro:

  • Ideal User: Power users who demand the best performance, display, and camera quality.

    • Use Cases:
      • Mobile gamers who require smooth performance and excellent graphics.
      • Photography enthusiasts and content creators who need a versatile, high-quality camera system.
      • Users who frequently watch videos, consume media, and need a high-quality display.
      • Users who need to frequently multitask and run resource intensive applications.
  • Price-to-Value: While more expensive, the OnePlus 9 Pro offers a premium experience that justifies the cost for users who prioritize performance and features over price.

Xiaomi Poco M4 5G:

  • Ideal User: Budget-conscious users who need a reliable phone for everyday use.

    • Use Cases:
      • Everyday users who prioritize battery life and affordability.
      • Users who do not need cutting-edge performance and high-end camera features.
      • Users who primarily use their phones for basic communication, social media, and casual browsing.
  • Price-to-Value: Offers excellent value for its price, providing a functional smartphone experience at an affordable cost.

4. Decision Framework

Key Questions for Buyers:

  1. What is my budget?
    • The Poco M4 5G will be much cheaper than the OnePlus 9 Pro.
  2. How important is camera quality and performance?
    • If camera quality and performance are a priority, the OnePlus 9 Pro is the clear winner. If these are less important, the Poco M4 5G will be sufficient.
  3. How crucial is long battery life vs. fast charging?
    • The Poco M4 5G has a slightly larger battery, but the OnePlus 9 Pro charges much faster.

Scenario-Based Recommendations:

  • Scenario 1: Gaming Enthusiast: Choose the OnePlus 9 Pro for its superior performance and smooth graphics.
  • Scenario 2: Budget Shopper: Choose the Xiaomi Poco M4 5G for its lower price and longer battery life.
  • Scenario 3: Photography Enthusiast: Choose the OnePlus 9 Pro for its advanced camera system, and multiple lens setup.
  • Scenario 4: Casual User: Xiaomi Poco M4 5G will be perfectly adequate for general usage with a better battery life at a lower cost.

What I Would Choose and Why

Personally, I would choose the OnePlus 9 Pro. While the Xiaomi Poco M4 5G offers great value for its price, the OnePlus 9 Pro offers a significantly better overall experience, with a superior display, top-tier performance, and a versatile camera system. Here's a breakdown of my reasons:

  • Display Quality: As someone who consumes a lot of media and enjoys detail in images, the superior resolution, brightness, and refresh rate of the OnePlus 9 Pro would greatly enhance my daily usage experience.
  • Performance: I often use demanding applications and enjoy mobile gaming. The Snapdragon 888 chipset in the OnePlus 9 Pro offers a significant performance boost, making the experience far smoother and more enjoyable.
  • Camera Versatility: I appreciate having a versatile camera for both casual and creative photography. The multiple lenses (wide-angle, telephoto, and monochrome) on the OnePlus 9 Pro provide more flexibility for capturing different types of shots and is likely to produce much higher-quality images.
  • Premium Features: I value the faster charging speed, wireless charging capabilities, superior connectivity, and better audio as these enhance the overall premium feel of the device.

While the Poco M4 5G's larger battery would be useful for some users, the OnePlus 9 Pro's fast charging capabilities are sufficient to offset the slight reduction in battery capacity for my usage pattern. Given my priorities for display quality, performance, and camera capabilities, the OnePlus 9 Pro is the clear winner for me.

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.