Xiaomi Poco X3 NFC vs OnePlus 9 - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 9
OnePlus 9
Oneplus

General

Launch Date September 8, 2020 March 26, 2021
Release Year 2020 2021

Physical

Volume 119.33 cm³ 103.29 cm³
Screen Size to Weight Ratio 3.1 "/g 3.41 "/g
Weight 215 g 192 g
Height 165.3 mm 160 mm
Width 76.8 mm 74.2 mm
Thickness 9.4 mm 8.7 mm
Foldable Design No No
Available Colors
  • Cobalt Blue
  • Shadow Gray
  • Winter Mist
  • Arctic Sky
  • Astral Black

Display

Screen Size 6.67 " 6.55 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 84.6 % 87.2 %
Pixel Density 395 PPI 402 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness 450 nits N/A
HBM Brightness N/A N/A
Peak Brightness N/A 1100 nits

Hardware

Battery Capacity per Screen Area 115.98 mAh/in² 104.89 mAh/in²
Battery Density 43.24 mAh/cm³ 43.57 mAh/cm³
Battery Capacity 5160 mAh 4500 mAh
NFC Support Yes Yes
Chipset Qualcomm SM7150-AC Snapdragon 732G (8 nm) Qualcomm SM8350 Snapdragon 888 5G (5 nm)
CPU Octa-core (2x2.3 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver) Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
GPU Adreno 618 Adreno 660

Connectivity

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

Software

Operating System Android Android
Initial OS Version 10 11
Maximum OS Version 12 13

Comparison Summary

1. Specifications Comparison

Here's a detailed comparison of the Xiaomi Poco X3 NFC and the OnePlus 9, focusing on the practical impact of their specifications:

FeatureXiaomi Poco X3 NFCOnePlus 9Practical Impact
Design
Dimensions165.3 × 76.8 × 9.4 mm, 215g160 × 74.2 × 8.7 mm, 192gOnePlus 9 is more pocketable and comfortable to hold for extended periods due to its smaller size and lighter weight.
Build Material(Not Specified)(Not Specified)Without this, the assessment is limited to physical dimensions. Build materials impact durability and premium feel.
Display
Size6.67"6.55"Slightly larger screen on Poco X3 NFC provides a more immersive experience for media consumption, but the difference is minimal.
Resolution1080x24001080x2400Both offer the same level of detail.
TechnologyIPS LCDAMOLEDAMOLED on OnePlus 9 delivers richer colors, deeper blacks, and better contrast, enhancing the viewing experience, especially for HDR content.
Refresh Rate120Hz120HzBoth offer smooth scrolling and fluid animations, beneficial for gaming and general UI experience.
Brightness0 nits1100 nitsOnePlus 9 is much better for outdoor use in direct sunlight due to its significantly higher brightness.
Performance
ChipsetSnapdragon 732G (8 nm)Snapdragon 888 5G (5 nm)OnePlus 9 offers significantly faster performance for demanding tasks like gaming, video editing, and multitasking.
AnTuTu Score328,145880,900This benchmark score reinforces the performance difference, indicating OnePlus 9 handles intensive tasks much more smoothly.
GPUAdreno 618Adreno 660The Adreno 660 in the OnePlus 9 provides superior graphics performance, leading to smoother gameplay at higher settings.
Camera
Main Camera64MP, f/1.89, 1/1.7"48MP, f/1.79, 1/1.4"OnePlus 9's larger sensor size captures more light, resulting in better low-light performance and dynamic range, despite the lower megapixel count.
Ultrawide Camera13MP, f/2.250MP, f/2.2, 1/1.56"OnePlus 9 captures significantly more detailed and higher-quality ultrawide photos.
Video RecordingUp to 4K@30fpsUp to 8K@30fpsOnePlus 9 can record much higher resolution videos, suitable for professional or enthusiast videographers.
Battery
Capacity5160mAh4500mAhPoco X3 NFC offers longer battery life under typical usage scenarios.
Charging33W65W + 15W WirelessOnePlus 9 charges much faster and offers the convenience of wireless charging.
Software
OSAndroid 10, upgrade to 12Android 11, upgrade to 13OnePlus 9 benefits from a more recent Android version, potentially offering better security features and software optimization.
Connectivity
Wi-FiWi-Fi 5Wi-Fi 6OnePlus 9 offers faster and more stable Wi-Fi connections, especially in crowded networks.
Bluetooth5.15.2OnePlus 9 benefits from slightly improved Bluetooth efficiency and features.
Storage64/128GB, No Expandable128/256GB, No ExpandableOnePlus 9 offers more internal storage options. The lack of expandable storage on both means choosing the right storage is important initially.
AudioStereo SpeakersStereo Speakers, Dolby AtmosOnePlus 9 offers a more immersive audio experience due to Dolby Atmos support.

2. Key Differences Analysis

Xiaomi Poco X3 NFC Advantages:

  • Larger Battery: Offers longer battery life for users who prioritize endurance.
    • Practical Impact: Less frequent charging, ideal for users who are often away from power outlets.
  • Side-Mounted Fingerprint Sensor: Some users may find this more convenient than in-display sensors.

OnePlus 9 Advantages:

  • Superior Performance: Snapdragon 888 provides significantly faster processing power.
    • Practical Impact: Smoother multitasking, faster app loading, and better gaming performance.
  • Better Display: AMOLED screen with higher brightness and vibrant colors.
    • Practical Impact: More enjoyable media consumption, better outdoor visibility.
  • Faster Charging & Wireless Charging: Significantly faster wired charging and the convenience of wireless charging.
    • Practical Impact: Quickly top up the battery, no need for cables.
  • Better Cameras: Higher quality ultrawide lens, 8K video recording.
    • Practical Impact: More detailed ultrawide photos, professional-quality video capabilities.
  • Modern Connectivity: Wi-Fi 6 and newer Bluetooth version.
    • Practical Impact: Faster and more reliable wireless connections.
  • Dolby Atmos Audio: Immersive audio experience.

Trade-offs:

  • OnePlus 9 has a smaller battery capacity compared to the Poco X3 NFC, potentially leading to shorter battery life, although this may be offset by the more efficient processor and faster charging.
  • The OnePlus 9 lacks a dedicated macro camera, which some users might miss for close-up photography.

3. User Profiles & Recommendations

Xiaomi Poco X3 NFC:

  • Ideal User: Budget-conscious users who prioritize battery life and don't require top-tier performance.
  • Use Cases:
    • Daily driver for basic tasks like browsing, social media, and communication.
    • Users who need a reliable phone for extended use without frequent charging.
  • Price-to-Value: Excellent value for money, offering a decent feature set at a very competitive price point.

OnePlus 9:

  • Ideal User: Users who value performance, display quality, camera capabilities, and fast charging, and are willing to pay a premium.
  • Use Cases:
    • Gaming and other performance-intensive tasks.
    • Photography and videography enthusiasts.
    • Users who want a premium experience with fast charging and a vibrant display.
  • Price-to-Value: Justified for users who prioritize flagship-level features and performance.

4. Decision Framework

Here are three key questions to consider when choosing between the Xiaomi Poco X3 NFC and the OnePlus 9:

  1. What is your budget? The Poco X3 NFC is significantly more affordable.
  2. How important is performance to you? The OnePlus 9 offers a much faster processor and GPU.
  3. What are your camera priorities? The OnePlus 9 delivers better overall camera quality, particularly in ultrawide and video recording.

Scenario-Based Recommendations:

  • Scenario 1: If you primarily use your phone for basic tasks and prioritize battery life above all else, the Xiaomi Poco X3 NFC is the better choice.
  • Scenario 2: If you are a gamer or frequently use demanding apps, the OnePlus 9's superior performance will be more beneficial.
  • Scenario 3: If you value camera quality and want to capture high-resolution photos and videos, the OnePlus 9 is the better option.

Personal Choice

If I were choosing between these two phones, I would pick the OnePlus 9. While the Poco X3 NFC offers great value for money, the performance jump offered by the Snapdragon 888 is significant and would provide a much smoother and more enjoyable user experience, especially for gaming and multitasking. Additionally, the superior AMOLED display and faster charging are also compelling reasons to choose 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.