OnePlus 9 vs Xiaomi 14T - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 9
OnePlus 9
Oneplus
Xiaomi 14T
Xiaomi 14T
Xiaomi

General

Launch Date March 26, 2021 September 26, 2024
Release Year 2021 2024

Physical

Volume 103.29 cm³ 94.02 cm³
Screen Size to Weight Ratio 3.41 "/g 3.46 "/g
Weight 192 g 193 g
Height 160 mm 160.5 mm
Width 74.2 mm 75.1 mm
Thickness 8.7 mm 7.8 mm
Foldable Design No No
Available Colors
  • Winter Mist
  • Arctic Sky
  • Astral Black
  • Titan Black
  • Titan Gray
  • Titan Blue
  • Lemon Green

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 % 89.1 %
Pixel Density 402 PPI 446 PPI
Refresh Rate 120 Hz 144 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 1600 nits
Peak Brightness 1100 nits 4000 nits

Hardware

Battery Capacity per Screen Area 104.89 mAh/in² 112.39 mAh/in²
Battery Density 43.57 mAh/cm³ 53.18 mAh/cm³
Battery Capacity 4500 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Mediatek Dimensity 8300 Ultra (4 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) Octa-core (1x3.35 GHz Cortex-A715 & 3x3.20 GHz Cortex-A715 & 4x2.20 GHz Cortex-A510)
GPU Adreno 660 Mali G615-MC6

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 14
Maximum OS Version 13

Comparison Summary

1. Specifications Comparison

Design

FeatureOnePlus 9Xiaomi 14TPractical Impact
Dimensions160 x 74.2 x 8.7 mm160.5 x 75.1 x 7.8 mmXiaomi 14T is slightly taller and wider but thinner, may feel more compact despite larger display.
Weight192g193gNegligible difference in weight; both will feel similar in hand.

Display

FeatureOnePlus 9Xiaomi 14TPractical Impact
Size6.55"6.67"Xiaomi 14T offers slightly larger screen, better for media consumption and multitasking.
Resolution1080x24001220x2712Xiaomi 14T provides sharper image quality; text and images will appear clearer.
PPI402446Xiaomi 14T has slightly higher pixel density, resulting in finer details and a sharper display.
TechnologyAMOLEDAMOLEDBoth offer vibrant colors and deep blacks.
Refresh Rate120Hz144HzXiaomi 14T provides smoother scrolling and animations; may be more responsive in games.
Brightness1100 nits4000 nitsXiaomi 14T is drastically brighter, much better outdoor visibility, easy to read in direct sunlight.

Performance

FeatureOnePlus 9Xiaomi 14TPractical Impact
ChipsetQualcomm Snapdragon 888 (5 nm)Mediatek Dimensity 8300 Ultra (4 nm)Xiaomi 14T chipset is more modern and more efficient, leading to better performance and power efficiency.
Antutu Score880,9001,526,328Xiaomi 14T has much higher benchmark performance; apps load faster, gaming is smoother, better multitasking.
GPUAdreno 660Mali G615-MC6Xiaomi 14T's GPU provides significantly better graphics rendering; superior gaming performance.

Camera

FeatureOnePlus 9Xiaomi 14TPractical Impact
Standard Camera48MP, f/1.79, 1/1.4", Sony IMX689, 1.12µm50MP, f/1.7, 1/1.56", Sony IMX906, 1.0µmXiaomi 14T has slightly higher resolution, wider aperture, but OnePlus 9 has a larger sensor, influencing low-light and detail capture.
Selfie Camera16MP, f/2.4, 1/3.13", Sony IMX471, 1.0µm32MP, f/2.0, Sensor data missing, Pixel size missingXiaomi 14T has significantly higher resolution and wider aperture, better detail and low-light performance for selfies.
Telephoto LensNone50MP, f/1.9, 1/2.76", Samsung S5KJN1, 0.64µmXiaomi 14T has dedicated telephoto lens, enabling optical zoom capabilities; OnePlus 9 lacks telephoto.
Wide Angle Lens50MP, f/2.2, 1/1.56", Sony IMX766, 1.0µm13MP, f/2.2, 1/3.06", Omnivision OV13B10, 1.12µmOnePlus 9 offers a higher-resolution ultrawide, captures more detail, but Xiaomi 14T has slightly larger pixel size.
Black & White Lens2MP, f/2.4, Sensor data missing, Pixel size missingNoneOnePlus 9 has a dedicated black and white camera for unique artistic shots, Xiaomi 14T does not offer this feature.
VideoUp to 8K@30fps, 4K@60fps, EISUp to 4K@60fps, EISOnePlus 9 has 8K video capability, useful for high-resolution needs; both offer excellent 4K recording with Electronic image stabilization.
DxOMark ScoreNot Available134Xiaomi 14T is tested and received a good overall score.
Features8K Video, CDAF, RAW 12 bits,Flicker sensor, OIS, RAW, Optical ZoomOnePlus 9 excels in video resolution and RAW output; Xiaomi 14T has optical image stabilization, and optical zoom.

Battery

FeatureOnePlus 9Xiaomi 14TPractical Impact
Capacity4500mAh5000mAhXiaomi 14T has larger battery capacity, likely longer battery life.
Charging65W Fast Charging67W Fast ChargingBoth offer fast charging, with minimal practical difference in charging speed.
Features15W Wireless ChargingReverse Charging, Xiaomi P2/G1 chipsOnePlus 9 has wireless charging, while Xiaomi 14T has reverse charging (for accessories) and battery management chips for optimal performance.

Software & Connectivity

FeatureOnePlus 9Xiaomi 14TPractical Impact
OSAndroid 11 (Up to 13)Android 14Xiaomi 14T has a more recent OS, and is likely to receive software updates longer, enhancing security and functionality over time.
WiFiWiFi 6WiFi 6EXiaomi 14T's WiFi 6E supports faster speeds, lower latency, better performance in congested networks, access to 6GHz band and reduced interference.
BluetoothBluetooth 5.2Bluetooth 5.4Xiaomi 14T has newer Bluetooth technology for slightly improved connectivity and efficiency.
GPSMultiple systemsMore systems including NavICXiaomi 14T supports more satellite systems potentially providing more accurate and reliable location tracking.
SIMDual Nano SIMDual Nano SIM/eSIMXiaomi 14T offers eSIM for easy digital carrier switching.
Internal Storage128GB/256 GB256GB/512GBXiaomi 14T has more internal storage for users with large media libraries; neither phone has expandable storage.
RAM8GB/12GB12GBXiaomi 14T excels in heavy multitasking due to the 12 GB of RAM.

Other

FeatureOnePlus 9Xiaomi 14TPractical Impact
AudioDolby Atmos, Stereo Speakers, 3 microphonesDolby Atmos, Hi-Res Audio, Stereo SpeakersOnePlus 9 may provide enhanced spatial audio, clearer calls, and better voice capture, while Xiaomi 14T offers Hi-Res audio for higher fidelity music.
SecurityBasic Fingerprint SensorBasic Fingerprint SensorBoth have same sensor providing basic security.
Screen ProtectionCorning Gorilla Glass 5Corning Gorilla Glass 5Both have same screen protection.

2. Key Differences Analysis

OnePlus 9 Advantages

  • 8K Video Recording: Offers higher video resolution for professional-grade footage.
  • Higher Resolution Ultra-wide Camera: captures more detail in ultrawide photos
  • Black and White Camera: Allows for creative artistic shots
  • Wireless Charging: Convenient for users who prefer cable-free charging.
  • 3 Microphones: Clearer audio recording for phone calls and videos.

Xiaomi 14T Advantages

  • Significantly Higher Performance: Superior chipset, GPU, and Antutu score, translates to faster apps, smoother gaming, and better multitasking.
  • Brighter Display: Much better outdoor visibility in sunlight.
  • Telephoto Lens: Offers optical zoom capabilities.
  • Higher Resolution Front Camera: Better selfies with more detail and better low-light.
  • Larger Battery: Likely provides longer battery life.
  • Reverse Charging: ability to charge other devices.
  • Newer Software: ships with a newer version of Android and likely to receive more software updates.
  • eSIM Support: Offers digital carrier switching.
  • Hi-Res Audio: For users who prioritize audio quality when listening with headphones.

Trade-offs

  • OnePlus 9: sacrifices overall performance, brightness, and telephoto capabilities for wireless charging, and 8K recording
  • Xiaomi 14T: lacks wireless charging, black and white camera and 8K video recording, but excels in other key areas like performance and display.

3. User Profiles & Recommendations

OnePlus 9 Ideal Users

  • Video Content Creators: Value the 8K video recording and advanced video features.
  • Users Preferring Wireless Charging: Find convenience in cable-free charging.
  • Users who need clear audio: 3 microphones offer better audio quality in different recording scenarios.
  • Users who value ultrawide photography: higher resolution for sharper details.

Xiaomi 14T Ideal Users

  • Gamers: Require smooth performance and responsive display.
  • Outdoor Users: Need a bright display for visibility in sunlight.
  • Heavy Multitaskers: Benefit from better performance.
  • Photography Enthusiasts: Appreciate the telephoto lens and better selfie camera.
  • Users who prioritize battery life: larger battery provides longer lasting.
  • Users who want the latest software and features

Price-to-Value Ratio

  • Xiaomi 14T provides superior value for users seeking a more powerful and modern smartphone with a sharper display, better camera features and longer battery life.
  • OnePlus 9 can be a good choice for video creators, users that value wireless charging and those who prioritize a black and white camera.

4. Decision Framework

Key Questions

  1. Do you prioritize performance for gaming and heavy multitasking?
  2. Is outdoor screen visibility a primary concern?
  3. Do you value wireless charging or a telephoto zoom lens more?

Scenario-Based Recommendations

  • Scenario 1: If you are a gamer who spends a lot of time outdoors and needs long battery life, the Xiaomi 14T is the superior choice.
  • Scenario 2: If your main focus is recording high-resolution video and you prefer wireless charging, the OnePlus 9 is more suitable for your needs.
  • Scenario 3: If you need the best overall performance and the latest technology, but don't need 8k video recording, the Xiaomi 14T has the better value proposition due to the much better processing power, brighter screen, newer software and telephoto lens.

My Choice

I would choose the Xiaomi 14T. While the OnePlus 9 has some niche advantages like 8K video and wireless charging, the Xiaomi 14T excels in most other key areas that matter to my day-to-day usage. The substantially better performance, significantly brighter display, longer battery life, telephoto lens, and newer software make it the more compelling choice. As someone who uses a phone for multitasking, media consumption and gaming, the Xiaomi 14T provides a superior overall experience. The additional storage and eSIM are also welcome additions for flexibility and future-proofing. While I may not use the 8k camera often, the superior processing power of the Xiaomi 14T would be beneficial for all my use cases.

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.

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  • Mobile technology analysis
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Bridging technical complexity with engaging, accessible narratives.