Xiaomi Poco X3 GT vs Asus Zenfone 9 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date August 19, 2021 September 15, 2022
Release Year 2021 2022

Physical

Volume 110.31 cm³ 90.79 cm³
Screen Size to Weight Ratio 3.42 "/g 3.49 "/g
Weight 193 g 169 g
Height 163.3 mm 146.5 mm
Width 75.9 mm 68.1 mm
Thickness 8.9 mm 9.1 mm
Foldable Design No No
Available Colors
  • Cloud White
  • Stargaze Black
  • Wave Blue
  • Midnight Black
  • Starry Blue
  • Moonlight White
  • Sunset Red

Display

Screen Size 6.6 " 5.9 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 84.9 % 84.2 %
Pixel Density 399 PPI 445 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 114.78 mAh/in² 123.53 mAh/in²
Battery Density 45.33 mAh/cm³ 47.36 mAh/cm³
Battery Capacity 5000 mAh 4300 mAh
NFC Support Yes Yes
Chipset Mediatek Dimensity 1100 (6 nm) Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm)
CPU Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55) Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)
GPU Mali-G77 MC9 Adreno 730

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 12
Maximum OS Version 14

Comparison Summary

Alright, let's dive into a detailed comparison of the Xiaomi Poco X3 GT and the Asus Zenfone 9. These two phones, while both aiming for the high-performance market, take distinctly different approaches. One is a larger, more budget-conscious powerhouse, and the other is a compact, premium performer. Here's my breakdown to help you navigate this decision.

1. Specifications Breakdown

Here’s a detailed side-by-side comparison of the key specifications, focusing on what they mean for you:

FeatureXiaomi Poco X3 GTAsus Zenfone 9Real-World Implications
Design
Size163.3 x 75.9 x 8.9 mm146.5 x 68.1 x 9.1 mmX3 GT is significantly larger and less pocketable; Zenfone 9 is compact and easy to handle.
Weight193g169gX3 GT feels heavier in hand, Zenfone 9 is more comfortable for extended use.
BuildGorilla Glass Victus FrontGorilla Glass Victus FrontBoth offer similar screen protection
Display
Size6.6"5.9"X3 GT has a larger screen for media consumption; Zenfone 9's smaller screen enhances one-handed use.
Resolution1080x24001080x2400Both offer sharp and clear visuals
Pixel Density399 ppi445 ppiZenfone 9’s higher pixel density results in slightly sharper images.
TechnologyIPS LCDAMOLEDZenfone 9's AMOLED has superior contrast, deeper blacks, and better color vibrancy.
Refresh Rate120Hz120HzBoth provide smooth scrolling and animations.
Brightness0 nits1100 nitsZenfone 9 has much better outdoor visibility.
Performance
ChipsetDimensity 1100 (6nm)Snapdragon 8+ Gen 1 (4nm)Zenfone 9 provides significantly better processing power and efficiency.
AnTuTu Score745,2831,232,500Zenfone 9 offers faster app loading, smoother multitasking, and better gaming performance.
GPUMali-G77 MC9Adreno 730Zenfone 9 has a more powerful GPU for graphics-intensive tasks.
RAM8GB8GB or 16GBZenfone 9 offers more RAM for smoother multitasking and can handle more demanding apps.
Camera
Main Camera64MP f/1.7950MP f/1.8X3 GT has a higher resolution; Zenfone 9 has a larger sensor for better low-light performance.
Sensor Size1/2"1/1.56"Zenfone 9’s larger sensor captures more light and detail.
Selfie Camera16MP f/2.4512MP f/2.45X3 GT has a higher megapixel count, but image quality differences depend on image processing.
Wide-Angle CameraNone12MP f/2.2Zenfone 9 has a dedicated ultrawide lens.
VideoUp to 4K@30fpsUp to 8K@24fpsZenfone 9 offers higher video recording resolution and better image stabilization features.
StabilizationNoEIS + OISZenfone 9 will have more stable videos.
Battery Life
Capacity5000mAh4300mAhX3 GT has a larger battery for potentially longer usage.
Charging67W Fast Charging30W Fast ChargingX3 GT charges much faster.
Software
OSAndroid 11Android 12Zenfone 9 has a newer operating system.
Max OS VersionN/AAndroid 14Zenfone 9 has guaranteed future updates.
Audio
QualityDolby Atmos, Hi-Res Audio, Stereo Speakers, 2 microphonesHi-Res Audio, Noise cancellation microphone, Stereo Speakers, 3 microphonesZenfone 9 has a slight edge with better noise cancellation and voice capture due to the extra microphone.
Connectivity
GPSGPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, BeiDou (B1)GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), NavIC System, QZSS (L1 + L5)Zenfone 9 has a more complete set of location services that offer more accurate positioning.

2. Key Insights

Xiaomi Poco X3 GT:

  • Strengths: Larger display, faster charging, bigger battery, potentially longer battery life (despite not being optimized), Dolby Atmos sound. A powerhouse in terms of battery and charging.
  • Competitive Advantages: Lower price point, great charging speeds, bigger battery
  • Trade-offs: IPS LCD screen (not as vibrant or power efficient as AMOLED), larger size, bulkier design.
  • Limitations: Camera is good but not the best, Older Android.

Asus Zenfone 9:

  • Strengths: Superior performance, exceptional camera (larger sensor, OIS), AMOLED screen, compact and ergonomic design.
  • Competitive Advantages: Flagship-level performance, better display, much better camera, latest android with good updates, more accurate GPS
  • Trade-offs: Smaller screen, smaller battery, slower charging.
  • Limitations: Slightly higher price, no expandable storage.

3. User Profiles and Recommendations

Xiaomi Poco X3 GT:

  • Best Suited For: Budget-conscious users who prioritize battery life, fast charging, and a large screen for media consumption and gaming.
  • Use Cases: Ideal for users who watch a lot of videos, play games on the go, and need their phone to last all day without needing to reach for the charger.
  • Price-to-Value Ratio: Excellent, offers great features for a very reasonable price.

Asus Zenfone 9:

  • Best Suited For: Power users and photography enthusiasts who prioritize high performance, top-tier camera quality, and a compact design.
  • Use Cases: Perfect for users who want a powerful phone that's easy to carry and can take high-quality photos and videos. Good for anyone looking for great performance in a small package.
  • Price-to-Value Ratio: High-end, you pay for the superior performance, camera, and design.

4. Buying Decision Framework

Here are three practical questions to help you decide:

  1. Do you prioritize a large screen and battery life, or a smaller more compact design with a higher-end experience? If a big screen and long battery are your priority, the Poco X3 GT is better, If you want a small package with the best possible experience then go for the Zenfone 9.
  2. Is camera quality or raw performance more important to you? The Zenfone 9 excels in both categories, the X3 GT is good but has some compromises.
  3. What’s your budget? The Poco X3 GT provides more features for less, while the Zenfone 9 is on the more expensive side.

Scenario-Based Recommendations:

  • For the power user: The Asus Zenfone 9 is the clear winner. Its superior chipset, RAM, camera, and premium build make it the better choice, even with its small battery.
  • For the casual user: The Xiaomi Poco X3 GT might be more appealing. It's significantly more affordable, has a big battery, and a large screen.
  • For the mobile photographer: The Asus Zenfone 9 has the better camera, image stabilization, and video quality.

My Choice

If I were picking between these two phones, I would lean towards the Asus Zenfone 9. While I appreciate the value proposition and battery life of the Poco X3 GT, the Zenfone 9's compact design, superior performance, exceptional camera system, and better display make it a more appealing device for my usage. I prefer a smaller phone that is easy to handle and that offers an exceptional experience without compromise. The Zenfone 9 is expensive but worth it if the form factor and high-end experience are your primary goals.

Alex Griffin
Alex Griffin

Technology analyst specializing in mobile devices and consumer electronics.

Core Expertise

  • Mobile technology analysis
  • Consumer electronics evaluation
  • Technical specification interpretation
  • User experience insights

Professional Mission Empowering readers to make informed technology decisions by transforming intricate specifications into understandable, practical guidance.

Demystifying technology, one device at a time.