Xiaomi Poco X3 GT vs Xiaomi Redmi A3x - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date August 19, 2021 May 24, 2024
Release Year 2021 2024

Physical

Volume 110.31 cm³ 106.65 cm³
Screen Size to Weight Ratio 3.42 "/g 3.48 "/g
Weight 193 g 193 g
Height 163.3 mm 168.4 mm
Width 75.9 mm 76.3 mm
Thickness 8.9 mm 8.3 mm
Foldable Design No No
Available Colors
  • Cloud White
  • Stargaze Black
  • Wave Blue
  • Midnight Black
  • Olive Green
  • Moonlight White (Starry White)
  • Aurora Green (Ocean Green)

Display

Screen Size 6.6 " 6.71 "
Resolution 1080 x 2400 720 x 1650
Aspect Ratio 20:9 21:9
Screen-to-Body Ratio 84.9 % 82.9 %
Pixel Density 399 PPI 268 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness 450 nits 500 nits
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 114.78 mAh/in² 111.05 mAh/in²
Battery Density 45.33 mAh/cm³ 46.88 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes No
Chipset Mediatek Dimensity 1100 (6 nm) Unisoc T603 (22 nm)
CPU Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55) Octa-core 1.8 GHz
GPU Mali-G77 MC9 8

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 14
Maximum OS Version 16

Comparison Summary

Okay, let's break down the Xiaomi Poco X3 GT and the Xiaomi Redmi A3x. I’ll put on my tech journalist hat and dive deep, translating these specs into real-world user experiences.

Specifications Breakdown

Here's a detailed look at how these two phones stack up, going beyond the raw numbers to explain their practical implications:

FeatureXiaomi Poco X3 GTXiaomi Redmi A3xReal-World Implications
Design
Dimensions163.3 x 75.9 x 8.9 mm168.4 x 76.3 x 8.3 mmX3 GT is slightly shorter and thicker; A3x is taller and thinner. Overall, size differences are minimal but noticeable in hand.
Weight193g193gIdentical weight—both phones feel similar in terms of heft.
Display
Size6.6"6.71"A3x has a slightly larger display, giving a more immersive experience for media and browsing.
Resolution1080x2400720x1650X3 GT has much higher resolution, resulting in sharper text, crisper images, and more detail for visual tasks.
Pixel Density399 PPI268 PPIX3 GT offers significantly sharper visuals, while the A3x's display might look pixelated to a discerning eye.
TechnologyIPS LCDIPS LCDBoth use IPS LCD; color accuracy and viewing angles will be similar.
Refresh Rate120Hz90HzX3 GT has a smoother visual experience, especially noticeable in animations and gaming.
Brightness0 nits0 nitsThe brightness is identical and low, which makes it hard to see in sunny conditions
Performance
ChipsetMediatek Dimensity 1100 (6 nm)Unisoc T603 (22 nm)X3 GT's chipset is much more powerful, leading to faster app launches, smoother multitasking, and a better gaming experience. The A3x will be slower overall.
AnTuTu Score745,283239,000X3 GT has significantly higher benchmark scores, which correlates to a much snappier and more responsive experience.
GPUMali-G77 MC9Mali-G57 MP1X3 GT has a substantially more powerful GPU, crucial for gaming and graphically intensive applications.
Camera
Main Camera Res.64MP8MPX3 GT captures far more detailed images. The A3x will have significantly less detail and dynamic range.
Main Camera Aperturef/1.79f/2.2X3 GT performs better in low light due to the wider aperture.
Selfie Camera Res.16MP5MPX3 GT produces sharper and more detailed selfies.
Selfie Camera Aperturef/2.45f/2.2A3x selfie camera performs better in low light due to wider aperture.
Video Recording4K@30fps1080p@30fpsX3 GT records much higher quality video, offering 4K resolution for detailed captures. The A3x is limited to 1080p.
FeaturesAdvancedBasicX3 GT offers more advanced features like 4K video, digital image stabilization, RAW capture, and Night Mode. A3x has dual camera but lacks advanced features.
Battery Life
Capacity5000mAh5000mAhBoth have the same battery size, offering similar endurance. However, the X3 GT’s higher performance chipset might use more power.
Charging67W Fast Charging10W Fast ChargingX3 GT charges much faster, reducing downtime. The A3x will take considerably longer to charge.
Software & Connectivity
OSAndroid 11Android 14A3x has a newer operating system, meaning it will have longer support and new features.
Wi-FiWi-Fi 6Wi-Fi 5X3 GT has faster and more efficient Wi-Fi.
Bluetooth5.24.2X3 GT has a newer Bluetooth standard, offering better power efficiency and connectivity with headphones and accessories.
Other
RAM8GB3GB or 4GBX3 GT offers superior multitasking capability and smoother performance due to its ample RAM.
Internal Storage128GB or 256GB64GB or 128GBX3 GT offers more base storage, providing more room for apps, photos, and media.
Audio QualityDolby Atmos, Hi-Res, StereoBasicX3 GT offers vastly superior audio experience; The A3x only has basic audio settings.
SecuritySide-mounted FPSide-mounted FPBoth offer fingerprint sensors on the side.
Screen protectionGorilla Glass VictusGorilla Glass 3X3 GT features vastly superior screen protection.
SensorsMore SensorsBasic SensorsX3 GT has a larger collection of sensors including gyroscope and compass.

Key Insights

Xiaomi Poco X3 GT: The Performance Powerhouse

The Poco X3 GT is the clear winner in terms of performance. Its powerful Dimensity 1100 chipset, combined with ample RAM, results in a smooth and responsive experience, ideal for gaming, multitasking, and demanding applications. The higher resolution, 120Hz display, and superior camera capabilities make it a compelling option for users who prioritize quality and performance. The fast charging is a huge plus, reducing waiting times.

Xiaomi Redmi A3x: The Budget-Friendly Option

The Redmi A3x is designed for basic smartphone users. It offers a larger display and a more recent version of Android. Its major selling point is its budget-friendly price, and it offers acceptable performance for everyday tasks like browsing, messaging, and social media. It’s not designed for power users, but it will suffice if the price is right.

User Profiles and Recommendations

Xiaomi Poco X3 GT

  • Ideal User: Gamers, media consumers, photographers, multitaskers, and those who prioritize smooth and snappy performance.
  • Use Cases: Demanding mobile games, editing photos and videos, streaming high-quality content, and switching between many apps.
  • Price-to-Value Ratio: Offers a high level of performance for its price point. A good choice for those looking to get the most bang for their buck.

Xiaomi Redmi A3x

  • Ideal User: Budget-conscious users, first-time smartphone buyers, older users, and individuals needing a basic smartphone for everyday tasks.
  • Use Cases: Casual social media use, browsing the web, making calls, sending messages, and taking the occasional photo.
  • Price-to-Value Ratio: Good for those who need a phone that performs basic tasks without breaking the bank.

Buying Decision Framework

If you’re torn between these two phones, consider these questions:

  1. What do you use your phone for most? If you’re a gamer or do heavy-duty multitasking, the X3 GT is the better fit. If your tasks are primarily basic, A3x would work.
  2. How much emphasis do you place on the screen quality? If sharper images and smoother animations are important, X3 GT is better.
  3. How concerned are you about your budget? The A3x will cost less. The difference in performance may be a factor in your budget.

Scenario-Based Recommendations:

  • Scenario 1: Mobile Gamer or Power User
    • Recommendation: Xiaomi Poco X3 GT. Its powerful processor, ample RAM, smooth display, and fast charging make it the superior choice for demanding tasks.
  • Scenario 2: Casual User on a Budget
    • Recommendation: Xiaomi Redmi A3x. It provides a basic but functional smartphone experience at a very low price.
  • Scenario 3: Camera Enthusiast
    • Recommendation: Xiaomi Poco X3 GT. The advanced camera features and higher resolution will produce higher quality images and videos.

My Choice

If I were choosing between these two phones, I would opt for the Xiaomi Poco X3 GT. While the A3x has a newer Android version, the X3 GT offers a superior experience in almost every other aspect that matters to me as a tech journalist and mobile enthusiast.

Here’s why:

  • Performance: The Dimensity 1100 chipset provides the power and speed I need for heavy app usage, gaming, and video editing.
  • Display Quality: The higher resolution and smoother refresh rate make a noticeable difference in daily use, making the overall experience more enjoyable.
  • Camera Capabilities: The superior camera hardware provides higher-quality photos and videos, which are essential for content creation.
  • Audio Quality: The Dolby Atmos and Stereo speakers offer a fantastic audio experience.
  • Faster Charging: The 67W fast charging is a huge time-saver, allowing me to spend less time plugged into the wall.

Ultimately, the X3 GT’s features significantly outweigh the benefits of the newer Android version of the A3x.

I hope this detailed breakdown helps you make an informed decision!

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.