Xiaomi Poco X3 Pro vs Xiaomi Redmi A3 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date March 24, 2021 February 23, 2024
Release Year 2021 2024

Physical

Volume 119.33 cm³ 106.58 cm³
Screen Size to Weight Ratio 3.1 "/g 3.48 "/g
Weight 215 g 193 g
Height 165.3 mm 168.3 mm
Width 76.8 mm 76.3 mm
Thickness 9.4 mm 8.3 mm
Foldable Design No No
Available Colors
  • Phantom Black
  • Frost Blue
  • Metal Bronze
  • Midnight Black
  • Forest Green (Olive Green)
  • Star Blue (Lake Blue)

Display

Screen Size 6.67 " 6.71 "
Resolution 1080 x 2400 720 x 1650
Aspect Ratio 20:9 21:9
Screen-to-Body Ratio 84.6 % 82.9 %
Pixel Density 395 PPI 268 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness 450 nits N/A
HBM Brightness N/A 500 nits
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 115.98 mAh/in² 111.05 mAh/in²
Battery Density 43.24 mAh/cm³ 46.91 mAh/cm³
Battery Capacity 5160 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm Snapdragon 860 (7 nm) Mediatek Helio G36 (12 nm)
CPU Octa-core (1x2.96 GHz Kryo 485 Gold & 3x2.42 GHz Kryo 485 Gold & 4x1.78 GHz Kryo 485 Silver) Octa-core (4x2.2 GHz Cortex-A53 & 4x1.6 GHz Cortex-A53)
GPU Adreno 640 PowerVR GE8320

Connectivity

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

Software

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

Comparison Summary

Smartphone Comparison: Xiaomi Poco X3 Pro vs. Xiaomi Redmi A3

1. Specifications Comparison

FeatureXiaomi Poco X3 ProXiaomi Redmi A3Practical Impact
Design
Dimensions165.3 x 76.8 x 9.4 mm168.3 x 76.3 x 8.3 mmRedmi A3 is taller, thinner, and likely feels sleeker, while X3 Pro is more bulky.
Weight215g193gRedmi A3 is noticeably lighter, making it more comfortable for one-handed use and prolonged holding.
Display
Size6.67"6.71"Negligible difference in screen size for most users.
Resolution1080x2400720x1650X3 Pro's higher resolution results in sharper text and images, less pixelation, and better clarity overall.
PPI395268X3 Pro's higher pixel density delivers much sharper visuals, more detail when viewing photos or videos.
TechnologyIPS LCDIPS LCDBoth use the same display tech with comparable viewing angles.
Refresh Rate120Hz90HzX3 Pro provides smoother scrolling and animations, making the user interface feel more responsive.
Brightness0 nits0 nitsBrightness is not mentioned, therefore no practical difference can be noted.
Performance
ChipsetQualcomm Snapdragon 860 (7 nm)Mediatek Helio G36 (12 nm)X3 Pro's Snapdragon 860 offers significantly faster processing, better app loading times, and smoother gaming experiences; less lag and better future-proofing.
AnTuTu Score627,869127,000X3 Pro delivers dramatically better performance for demanding tasks, significantly better gaming experience.
GPUAdreno 640PowerVR GE8320X3 Pro's GPU excels in graphic-intensive applications such as gaming, video editing and will have a significantly better performance for those types of tasks.
Camera
Rear Camera (Main)48MP, f/1.798MP, f/2.0X3 Pro captures much more detailed photos, especially in good lighting; its wider aperture allows better low-light performance.
Selfie Camera20MP, f/2.25MP, f/2.2X3 Pro captures higher-resolution and more detailed selfies, resulting in sharper images.
Wide Angle Lens8MP, f/2.2Not AvailableX3 Pro's additional wide-angle lens allows capturing more of a scene into a single image.
Portrait Mode Lens2MP, f/2.4Not AvailableX3 Pro can capture portrait shots with more depth and background blur.
Macro Lens2MP, f/2.4Not AvailableX3 Pro has the ability to capture detailed close-up shots, beneficial for certain photography styles.
Video Recording4K@30fps, 1080p up to 960fps1080p@30fpsX3 Pro can record higher-resolution videos, offering greater flexibility and quality, plus it can record slow-motion videos at higher fps.
DxOMark ScoreNot AvailableMobile: 45 (Photo: 53, Video: 37)Redmi A3 has only been tested, showing a basic level of camera performance; X3 Pro is expected to perform better based on hardware.
Battery
Capacity5160mAh5000mAhSimilar battery capacity, both offer all-day battery life for most users; the real-world difference would be minor.
Charging33W Fast Charging10W Fast ChargingX3 Pro charges significantly faster, reducing time spent plugged in.
Battery TypeLi-PolymerLi-IonMinor differences in battery characteristics, with Li-Polymer generally being slightly more efficient and having more charge cycles.
Other
OSAndroid 11 (upgradeable to 12)Android 14Redmi A3 ships with a newer version of Android, may receive more updates.
Wi-Fi802.11ac, dual-band, MIMO802.11acSimilar Wi-Fi speeds and support, X3 Pro has more advanced options.
Bluetooth5.0 LE, aptX, LDAC5.3 LE, EDRRedmi A3 has a newer Bluetooth version, with potential for more stable connections; both have good codec support.
GPSGPS, A-GPS, GLONASS, Beidou, GalileoGPS, A-GPS, GLONASS, BeidouX3 Pro offers slightly more accurate location tracking due to Galileo support.
Internal Storage128/256 GB64/128 GBX3 Pro offers more storage capacity, beneficial for media and apps.
RAM6/8 GB3/4/6 GBX3 Pro offers significantly more RAM, which helps with multitasking and gaming.
Expandable StorageNoNoBoth phones lack expandable storage, limiting long term storage options.
AudioHi-Res Audio, Stereo SpeakersBasic AudioX3 Pro has higher audio fidelity with stereo speakers for better media consumption.
Screen ProtectionCorning Gorilla Glass 6Corning Gorilla Glass 3X3 Pro has superior screen protection with Gorilla Glass 6, offering better scratch and damage resistance.
SensorsFingerprint, Accelerometer, Compass, Gyroscope, ProximityAccelerometer, ProximityX3 Pro offers a more comprehensive sensor suite, enabling additional features such as compass functionality and better gaming support through the gyroscope.

2. Key Differences Analysis

Xiaomi Poco X3 Pro Advantages:

  • Superior Performance: The Snapdragon 860 chipset is significantly more powerful, offering smoother performance for all tasks including gaming and demanding apps.
  • Better Display: The higher resolution and refresh rate screen provides a superior visual experience for everyday use and media consumption.
  • Enhanced Camera System: The X3 Pro has a higher resolution main camera, an ultrawide lens, and better selfie camera, leading to better photos and video.
  • Faster Charging: The 33W charging capability is much quicker than the Redmi A3's 10W, reducing charging downtime.
  • Better Audio: The Hi-Res audio and stereo speakers provide enhanced audio quality, beneficial for media playback and gaming.
  • Better Build: Gorilla Glass 6 offers higher screen protection, adding to the durability.

Xiaomi Redmi A3 Advantages:

  • Lighter and Thinner Design: The A3 is more portable and comfortable to hold for extended periods.
  • Newer OS: Comes with a more recent Android version out of the box, ensuring better software support in the short term.
  • Newer Bluetooth: Features the newer Bluetooth 5.3 standard.
  • Lower Price: Likely to be more affordable, potentially making it a better value option for budget-conscious users.

Significant Trade-offs:

  • Performance vs. Portability: The X3 Pro sacrifices some portability for significantly better performance and features, while the Redmi A3 prioritizes lightness and ergonomics over performance.
  • Display Quality vs. Price: The X3 Pro's superior display quality comes at a higher price point compared to the Redmi A3.
  • Camera Quality vs. Affordability: X3 Pro provides much better image quality, however, at a higher price.

3. User Profiles & Recommendations

Xiaomi Poco X3 Pro - Ideal User:

  • Gamers: Its powerful chipset, high refresh rate screen, and better GPU make it a solid choice for gaming enthusiasts.
  • Media Consumers: The high-resolution display, enhanced audio, and stereo speakers offer a more immersive experience for video watching and music listening.
  • Power Users: Those who need smooth performance for multitasking, demanding apps, and content creation will appreciate the X3 Pro.
  • Photography Enthusiasts: The higher-quality camera setup, wide-angle lens, and 4K recording capabilities offer more flexibility and detail in photos and videos.

Xiaomi Redmi A3 - Ideal User:

  • Budget-Conscious Users: Those looking for a basic smartphone that can handle everyday tasks at a lower price point.
  • Casual Users: Individuals who primarily use their phone for calls, messaging, social media, and light browsing.
  • Users Prioritizing Portability: Those seeking a lightweight and comfortable phone for easy handling and carrying.
  • Users Seeking Latest OS: Users that prefer to have the latest Android version and want a device with more up to date software.

Use Cases:

  • Poco X3 Pro: Mobile gaming, video editing, content creation, photography, HD video streaming, demanding applications.
  • Redmi A3: Social media, browsing, basic productivity, light media consumption, calling, messaging.

4. Decision Framework

Key Questions for Buyers:

  1. What is your primary use case? (Gaming, photography, social media, etc.)
  2. How important is performance? (Do you need a fast device or can you settle for basic performance?)
  3. What is your budget? (How much are you willing to spend for a phone?)

Scenario-Based Recommendations:

  • Scenario 1 (Gaming & Performance): If you are a serious gamer or need a very fast phone for demanding tasks, the Xiaomi Poco X3 Pro is the clear choice despite the weight and size trade off.
  • Scenario 2 (Budget & Portability): If you are on a tight budget, need a light, thin device, and only need basic functionality, the Xiaomi Redmi A3 is a better value.
  • Scenario 3 (Balanced Use): If you are somewhere in the middle, you should prioritize the specific features that matter most to you. For example, if the display is very important to you, even over gaming, the Poco X3 Pro is still a good choice, however, if you are mainly concerned with battery life and social media, Redmi A3 might be a better fit.

Final Choice

Based on the comprehensive analysis, I would choose the Xiaomi Poco X3 Pro. While the Redmi A3 offers a more modern operating system, lighter design, and lower price point, the sheer difference in performance, display quality, and camera capabilities of the Poco X3 Pro are too significant to ignore. As someone who uses their phone for a variety of tasks including gaming, photography, and media consumption, the X3 Pro offers a superior user experience that justifies the price difference for my usage scenario. The improved processor, better display, and superior camera setup of the Poco X3 Pro would provide a smoother, more enjoyable experience day-to-day, making it the better long term choice for me.

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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Bridging technical complexity with engaging, accessible narratives.