OnePlus 9 vs Xiaomi Poco M5s - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 9
OnePlus 9
Oneplus

General

Launch Date March 26, 2021 September 6, 2022
Release Year 2021 2022

Physical

Volume 103.29 cm³ 99.25 cm³
Screen Size to Weight Ratio 3.41 "/g 3.6 "/g
Weight 192 g 178.8 g
Height 160 mm 160.5 mm
Width 74.2 mm 74.5 mm
Thickness 8.7 mm 8.3 mm
Foldable Design No No
Available Colors
  • Winter Mist
  • Arctic Sky
  • Astral Black
  • Blue
  • White
  • Gray

Display

Screen Size 6.55 " 6.43 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 87.2 % 83.5 %
Pixel Density 402 PPI 409 PPI
Refresh Rate 120 Hz N/A
Typical Brightness N/A 450 nits
HBM Brightness N/A 700 nits
Peak Brightness 1100 nits 1100 nits

Hardware

Battery Capacity per Screen Area 104.89 mAh/in² 120.93 mAh/in²
Battery Density 43.57 mAh/cm³ 50.38 mAh/cm³
Battery Capacity 4500 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Mediatek MT6785V/CD Helio G95 (12 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Adreno 660 Mali-G76 MC4

Connectivity

USB Version 3.1 2.0
OTG Support 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 3.1, OTG USB Type-C 2.0

Software

Operating System Android Android
Initial OS Version 11 12
Maximum OS Version 13

Comparison Summary

Smartphone Comparison: OnePlus 9 vs. Xiaomi Poco M5s

1. Specifications Comparison

FeatureOnePlus 9Xiaomi Poco M5sPractical Impact
Design
Dimensions160 x 74.2 x 8.7 mm160.5 x 74.5 x 8.3 mmNegligible size difference; M5s is slightly thinner, might feel marginally better in hand.
Weight192g178.8gM5s is lighter, making it more comfortable for extended use.
Display
Size6.55"6.43"OnePlus 9 offers a slightly larger viewing area, better for media consumption.
Resolution1080 x 24001080 x 2400Both offer the same level of detail; sharpness is similar.
Pixel Density402 PPI409 PPIVirtually identical sharpness; pixel density difference is negligible.
TechnologyAMOLEDAMOLEDBoth offer vibrant colors and deep blacks.
Refresh Rate120Hz60HzOnePlus 9 provides smoother scrolling and animations, a much more fluid user experience, particularly noticeable when gaming.
Brightness1100 nits1100 nitsIdentical peak brightness for good outdoor visibility.
Performance
ChipsetQualcomm Snapdragon 888 5G (5 nm)Mediatek Helio G95 (12 nm)Snapdragon 888 is significantly faster; smoother multitasking, faster app loading and better for demanding games.
AnTuTu Score880,900418,627OnePlus 9 offers double the performance of M5s; substantial difference in overall responsiveness.
GPUAdreno 660Mali-G76 MC4OnePlus 9 has a more powerful GPU, resulting in better graphics rendering in games.
Battery
Capacity4500 mAh5000 mAhM5s has a larger battery, likely giving it better battery life on a single charge.
Charging65W Fast Charging33W Fast ChargingOnePlus 9 charges much faster, minimizing downtime.
Features15W Wireless ChargingReverse ChargingOnePlus 9 offers convenient wireless charging; M5s can act as a power bank for other devices.
Camera
Standard Camera48MP (f/1.79, 1/1.4")64MP (f/1.9, 1/2")OnePlus 9 has a larger sensor and wider aperture, for better low-light performance and potentially more natural depth of field; higher megapixels on M5s provide more cropping flexibility.
Selfie Camera16MP (f/2.4, 1/3.13")13MP (f/2.4, 1/3.06")OnePlus 9 offers slightly higher resolution. M5s has a negligibly larger sensor
Wide Angle Lens50MP (f/2.2, 1/1.56")8MP (f/2.2, 1/2.8")OnePlus 9 wide angle lens is superior, offering far greater resolution and a larger sensor for superior photos.
Portrait ModeNone2MP (f/2.4, 1/5")M5s has a dedicated portrait mode lens, which allows for more accurate depth of field effects.
Macro LensNone2MP (f/2.4, 1/5")M5s can take macro photos.
Black & White Lens2MP (f/2.4)NoneOnePlus 9 offers a dedicated black & white lens for artistic shots.
VideoUp to 8K @ 30fpsUp to 4K @ 30fpsOnePlus 9 has higher video resolution capability for professional-grade video.
Software
OSAndroid 11 (upgradable to 13)Android 12Xiaomi offers newer software out of the box; OnePlus has confirmed Android 13 upgrade.
Connectivity
Wi-FiWi-Fi 6 (802.11ax)Wi-Fi 5 (802.11ac)OnePlus 9 provides faster, more reliable Wi-Fi speeds, with better congestion handling.
Bluetooth5.25.0OnePlus 9 has newer Bluetooth for improved efficiency and connection stability.
GPSMore Satellite SystemsStandard GPS SystemsOnePlus 9 offers more precise location tracking.
SIMDual SIM (Nano)Dual SIM (Nano)Both phones support dual SIM functionality
Storage
Internal128/256 GB64/128/256 GBM5s provides a 64 GB option; otherwise, internal storage options are similar.
RAM8/12 GB4/6/8 GBOnePlus 9 offers more RAM for smoother multitasking and gaming.
ExpandableNoNoNeither phone supports external storage.
Audio
QualityDolby Atmos, Noise cancellation micHi-Res AudioOnePlus 9 provides enhanced audio with Dolby Atmos, while M5s offers Hi-Res Audio.
Security
Fingerprint SensorBasic Fingerprint SensorSide-Mounted SensorXiaomi offers a faster side-mounted fingerprint sensor.
Build Quality
Screen ProtectionCorning Gorilla Glass 5Corning Gorilla Glass 3OnePlus 9's screen is more resistant to scratches and impacts.
Sensors
SensorsProximity, Accelerometer, Compass, GyroscopeAccelerometer, Compass, Gyroscope, Ultrasonic proximity virtualOnePlus 9 has standard proximity sensor, M5s uses virtual sensor

2. Key Differences Analysis

OnePlus 9 Advantages:

  • Superior Performance: The Snapdragon 888 chipset provides significantly faster processing power and graphics, crucial for demanding tasks and gaming.
  • Smoother Display: The 120Hz refresh rate makes the user experience more fluid and responsive.
  • Faster Charging: The 65W fast charging drastically reduces charging times.
  • Higher Quality Cameras: Larger sensor, more megapixels in the wide-angle lens, and 8K video recording result in better photo quality and more professional video options.
  • Advanced Connectivity: Wi-Fi 6 and Bluetooth 5.2 offer faster, more reliable connections.
  • Premium Audio: Dolby Atmos and noise cancellation provide enhanced audio experience.
  • More RAM: Available with 12 GB of RAM which is crucial for heavy multitasking

Xiaomi Poco M5s Advantages:

  • Larger Battery: Provides better battery life, meaning less frequent charging for average users.
  • Reverse Charging: Can charge other devices, useful in emergency situations.
  • Dedicated Portrait and Macro Lenses: Allows for more versatile photography.
  • Newer Software out of box: Android 12 over Android 11 (though OnePlus 9 is upgradable to 13).
  • Side-Mounted Fingerprint Sensor: Convenient and faster unlocking.

Trade-offs:

  • OnePlus 9: Sacrifices battery life and dedicated portrait/macro lens for performance and camera quality.
  • Xiaomi Poco M5s: Sacrifices performance, refresh rate, and camera quality for battery life and some extra features.

3. User Profiles & Recommendations

OnePlus 9 Ideal User:

  • Gamers: The powerful processor and 120Hz display offer a premium gaming experience.
  • Power Users: Those who frequently multitask, use demanding apps, or need fast processing power.
  • Photography Enthusiasts: Users who prioritize camera quality, wide angle photography, and video capabilities.
  • Media Consumers: Users who enjoy high-quality streaming and require a vibrant and smooth display.
  • Users who want fast charging and premium features: Wireless charging, advanced audio.

Use Cases for OnePlus 9:

  • Playing graphically intensive mobile games at high frame rates.
  • Editing photos and videos on the go.
  • Using multiple apps simultaneously without lag.
  • Capturing high-quality photos and videos in various lighting conditions.
  • Streaming movies and videos at high resolutions with a smooth display.

Xiaomi Poco M5s Ideal User:

  • Budget-conscious Buyers: Those seeking good value and decent features at a more affordable price point.
  • Battery Life Prioritizers: Users who value long battery life over top-tier performance.
  • Casual Photographers: Those who want versatile camera features for everyday use.
  • Users who need basic functionalities at a lower price: Phone calls, social media, etc.

Use Cases for Xiaomi Poco M5s:

  • Everyday use: browsing social media, messaging, web browsing.
  • Casual gaming.
  • Capturing standard day-to-day photos and videos.
  • Using the phone for an extended period without needing a charge.
  • Using reverse charging to charge other low-power devices on the go.

4. Decision Framework

Key Questions for Buyers:

  1. Performance Priority: Do you need a phone for demanding games and heavy multitasking, or is basic performance sufficient?
  2. Battery Life vs. Charging Speed: Do you value longer battery life, or do you prioritize fast charging capabilities?
  3. Camera Needs: Do you require higher-end photo and video quality, or are basic camera features sufficient for you?

Scenario-Based Recommendations:

  • Scenario 1: Performance & Gaming Focused: If performance and smooth gaming are essential, the OnePlus 9 is the clear choice.
  • Scenario 2: Battery Life Focused: If you prioritize long battery life, the Xiaomi Poco M5s is more suitable.
  • Scenario 3: Balanced Use & Budget: If you need a balance of features and price, with an emphasis on battery and versatile camera features, the Xiaomi Poco M5s is a more suitable option.
  • Scenario 4: Premium Camera & Media Consumption: If you prioritize best camera quality, advanced features like 8K video and a smooth display, the OnePlus 9 is the way to go.

My Choice

If I were choosing, I would pick the OnePlus 9. Here's why:

While the Xiaomi Poco M5s offers a larger battery and some convenient camera features like the macro and depth sensors, my personal preference and use case lean heavily towards performance. The OnePlus 9's Snapdragon 888 chipset is significantly more powerful, which means smoother operation, faster app loading, and the ability to handle more intensive tasks without lag. Additionally, the 120Hz display makes a noticeable difference in overall user experience, especially when browsing and gaming.

Although battery life is important, I'm willing to trade some endurance for faster charging. The OnePlus 9's 65W charging ensures I can quickly top up my battery when needed. Lastly, the superior camera performance, especially the wide-angle lens and 8K video capabilities, makes the OnePlus 9 more appealing for my needs.

Therefore, even though the Xiaomi Poco M5s is a solid phone for its price point, the OnePlus 9 aligns better with my needs as a power user and enthusiast. The overall user experience, backed by its powerful performance, advanced display, and superior camera, justifies choosing the OnePlus 9.

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.