Xiaomi 12 Pro vs Xiaomi Redmi A3 - Detailed Phone Comparison

Detailed Comparison

Specification
Xiaomi 12 Pro
Xiaomi 12 Pro
Xiaomi

General

Launch Date December 31, 2021 February 23, 2024
Release Year 2021 2024

Physical

Volume 100.08 cm³ 106.58 cm³
Screen Size to Weight Ratio 3.3 "/g 3.48 "/g
Weight 204 g 193 g
Height 163.6 mm 168.3 mm
Width 74.6 mm 76.3 mm
Thickness 8.2 mm 8.3 mm
Foldable Design No No
Available Colors
  • Blue
  • Green
  • Purple
  • Gray
  • Midnight Black
  • Forest Green (Olive Green)
  • Star Blue (Lake Blue)

Display

Screen Size 6.73 " 6.71 "
Resolution 1440 x 3200 720 x 1650
Aspect Ratio 20:9 21:9
Screen-to-Body Ratio 89.6 % 82.9 %
Pixel Density 521 PPI 268 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness N/A N/A
HBM Brightness 1000 nits 500 nits
Peak Brightness 1500 nits N/A

Hardware

Battery Capacity per Screen Area 101.56 mAh/in² 111.05 mAh/in²
Battery Density 45.96 mAh/cm³ 46.91 mAh/cm³
Battery Capacity 4600 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8450 Snapdragon 8 Gen 1 (4 nm) Mediatek Helio G36 (12 nm)
CPU Octa-core (1x3.00 GHz Cortex-X2 & 3x2.50 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) Octa-core (4x2.2 GHz Cortex-A53 & 4x1.6 GHz Cortex-A53)
GPU Adreno 730 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 12 14
Maximum OS Version

Comparison Summary

Okay, let's dive deep into the specs of the Xiaomi 12 Pro and the Xiaomi Redmi A3. Buckle up, this is going to be a tech-heavy ride but I'll try to keep it relatable.

1. Specifications Breakdown

Here’s a detailed look at how these two phones stack up, with a focus on what these specs mean for you in the real world:

Design

FeatureXiaomi 12 ProXiaomi Redmi A3Real-World Implications
Dimensions163.6 x 74.6 x 8.2mm168.3 x 76.3 x 8.3mmThe Redmi A3 is slightly taller and wider than the 12 Pro, making the 12 Pro easier to handle one-handed. Both share a similar thickness.
Weight204g193gThe Redmi A3 is slightly lighter which may result in less fatigue with prolonged use.
Build QualityGorilla Glass VictusGorilla Glass 3The 12 Pro's screen is significantly more resistant to scratches and drops due to Gorilla Glass Victus compared to Gorilla Glass 3.

Display

FeatureXiaomi 12 ProXiaomi Redmi A3Real-World Implications
Size6.73"6.71"Both phones offer a similar screen real estate - difference is negligible.
Resolution1440 x 3200720 x 1650The 12 Pro's screen is dramatically sharper and clearer than the Redmi A3, making text and images crisp and detailed.
Pixel Density521 PPI268 PPIThe 12 Pro's higher pixel density means individual pixels are almost impossible to see, which offers a clearer and more visually pleasing experience.
TechnologyAMOLEDIPS LCDThe 12 Pro has vibrant colours, deep blacks and superior contrast. It's also much more efficient when using dark themes to conserve power.
Refresh Rate120Hz90HzThe 12 Pro's 120Hz refresh rate provides smoother scrolling and animations compared to Redmi's 90Hz.
Brightness1500 nits0 nitsThe 12 Pro is significantly brighter, making it easily viewable outdoors under bright sunlight, while the Redmi A3's brightness spec is not available making it a probable disadvantage.

Performance

FeatureXiaomi 12 ProXiaomi Redmi A3Real-World Implications
ChipsetQualcomm Snapdragon 8 Gen 1 (4nm)Mediatek Helio G36 (12nm)The 12 Pro is significantly faster for demanding tasks like gaming and video editing. Also has better overall app performance.
AnTuTu Score1,177,498127,000The 12 Pro is much faster and more responsive than the A3.
GPUAdreno 730PowerVR GE8320The 12 Pro’s GPU can handle graphically intensive tasks with ease, whereas the Redmi A3 is optimized for lighter tasks.
RAM8GB or 12GB3GB, 4GB, or 6GBThe 12 Pro handles multitasking and large apps with much greater ease than the A3, which is more prone to slowing down.

Camera

FeatureXiaomi 12 ProXiaomi Redmi A3Real-World Implications
Main Camera50MP, f/1.9, 1/1.28" sensor, Sony IMX7078MP, f/2.0The 12 Pro captures much higher resolution photos with better low-light performance due to the larger sensor and wider aperture.
Selfie Camera32MP, 1/3.14" sensor, Samsung JD15MP, f/2.2The 12 Pro captures more detailed selfies with better clarity due to the higher pixel count and larger sensor
Wide Angle Lens50MP, f/2.2, 1/2.76" sensor, Samsung S5KJN1NoneThe 12 Pro allows wide-angle photos, and with a high-quality sensor it captures more detail while the A3 doesn't have any wide-angle capabilities.
Portrait Mode Lens50MP, f/1.9, 1/2.76" sensor, Samsung S5KJN1NoneThe 12 Pro has a dedicated portrait lens, allowing for better bokeh effects and portrait photography compared to the A3.
Video RecordingUp to 8K@24fps with HDR, EIS, 4K@60fps with HDR, EIS and other modes.Up to 1080p@30fpsThe 12 Pro is much better for videography, capable of recording high resolution videos with features like HDR and image stabilization.
DxOMark ScoreMobile: 129 (Photo: 136, Video: 125)Mobile: 45 (Photo: 53, Video: 37)The 12 Pro has a much higher DxOMark score, indicating dramatically superior camera quality.
Camera Features4K/8K video, Optical Zoom, OIS, Ultra stable video, RAW, Night Mode and moreAutofocus, Touch Focus, HDR, Face Detection, Panorama and moreThe 12 Pro has more sophisticated features, including optical zoom, optical stabilization, RAW capture and 4K/8K video while the A3 offers basics.

Battery Life

FeatureXiaomi 12 ProXiaomi Redmi A3Real-World Implications
Capacity4600mAh5000mAhThe Redmi A3 has a slightly bigger battery, potentially offering longer battery life during the day.
Charging120W Fast Charging Li-Polymer10W Fast Charging Li-IonThe 12 Pro charges much faster, offering a full charge in a fraction of the time compared to the Redmi A3.
Battery FeaturesReverse Charging, 50W Fast Wireless Charging, 10W Wireless Reverse Charging, Surge P1 ChipNon RemovableThe 12 Pro offers more versatile charging options including fast wireless and reverse wireless charging, while the Redmi A3 only supports basic wired charging.

2. Key Insights

Xiaomi 12 Pro: Strengths

  • Display: Offers a superior visual experience with a high-resolution, vibrant AMOLED display and a smooth 120Hz refresh rate.
  • Performance: Provides top-tier performance with the Snapdragon 8 Gen 1 chipset, excelling in gaming, multitasking, and demanding apps.
  • Camera: Captures professional-grade photos and videos with its versatile triple-lens system and high DxOMark score.
  • Charging: Features incredibly fast 120W wired charging and fast wireless charging, minimizing downtime.
  • Audio: Provides enhanced spatial audio, hi-res playback, better audio separation and immersion, and improved voice capture, ideal for media consumption.

Xiaomi Redmi A3: Strengths

  • Battery: Offers slightly larger battery capacity, potentially providing longer battery life.
  • Newer OS: Ships with Android 14, providing a more up-to-date software experience.
  • Weight: Is lighter than the Xiaomi 12 Pro.
  • Security: Features a more advanced side-mounted fingerprint sensor

Trade-offs

  • Xiaomi 12 Pro: High cost and may not have the best battery life in comparison to others due to higher energy consumption.
  • Xiaomi Redmi A3: Basic performance and limited camera capabilities. The screen is low resolution, and charging is quite slow.

3. User Profiles and Recommendations

Xiaomi 12 Pro: Best For

  • Power Users: Those who demand top-tier performance for gaming, video editing, and heavy multitasking.
  • Photography Enthusiasts: Users who prioritize high-quality photos and videos with versatility.
  • Media Consumers: Ideal for those who enjoy watching movies and playing games with a superior display and enhanced audio.
  • Tech Enthusiasts: Who appreciates cutting-edge technology and advanced features like fast charging and wireless charging.

Xiaomi Redmi A3: Best For

  • Budget-Conscious Users: Those looking for a basic smartphone with essential functionality at an affordable price.
  • Casual Users: Ideal for those who mainly use their phone for calls, browsing, and social media.
  • Battery Prioritizers: Those who prioritize longer battery life over performance and advanced features.
  • Android OS Enthusiasts: Users who want the latest Android operating system on a budget-friendly device.

4. Buying Decision Framework

Here are three questions to help you decide between these phones:

  1. What do I value more: performance or price?

    • If performance is your priority, the Xiaomi 12 Pro is the clear choice.
    • If you're on a tight budget, the Redmi A3 is the more affordable option.
  2. How important is display and camera quality?

    • If you care about display quality and need a fantastic camera, the 12 Pro’s AMOLED display and versatile camera system are hard to beat.
    • If you’re primarily concerned with basic functionality, the Redmi A3 may suffice.
  3. How do I use my phone on a typical day?

    • If you need your phone for demanding tasks like gaming or video editing, the Xiaomi 12 Pro is designed for you.
    • If you use your phone for basic everyday activities and prioritize battery life, the Redmi A3 fits the bill.

Scenario-Based Recommendations

  1. The "Power User": A gamer who needs the best performance and display.

    • Recommendation: Xiaomi 12 Pro. It offers the necessary processing power, a superior screen, and fast charging.
  2. The "Budget Shopper": A person who mainly makes calls, browses the internet, and uses social media.

    • Recommendation: Xiaomi Redmi A3. It provides basic functionality at a lower price.
  3. The "Photo Enthusiast": Someone who enjoys capturing high-quality photos and videos.

    • Recommendation: Xiaomi 12 Pro. Its advanced camera system is significantly better than the Redmi A3.
  4. The "Battery Saver": A person who needs a phone that can last all day, but doesn't need a fancy display.

    • Recommendation: Xiaomi Redmi A3. It boasts a longer lasting battery.

My Choice

If it were me, I would choose the Xiaomi 12 Pro.

Here's why:

  • Superior All-Round Experience: While the Redmi A3 is a fine budget phone, the 12 Pro simply offers a vastly superior overall experience. The display is a major difference, it makes consuming content or even just browsing the web much more enjoyable.
  • Performance Matters: I do use my phone for a bit more than basic tasks. I enjoy mobile gaming occasionally, editing photos and videos, and having a device that doesn't slow down when multitasking is essential. The Snapdragon 8 Gen 1 offers a significant boost in performance and that is important to me.
  • Camera Capabilities: I'm passionate about photography and videography, and the 12 Pro’s camera system offers a level of quality and versatility that the Redmi A3 cannot match.
  • Time is Money: The fast charging is a huge convenience, especially for someone like me who is always on the go. The 120W charging really gets you from zero to full in no time.

While the Xiaomi 12 Pro does come at a higher price point, I believe the performance and features it offers make it well worth the investment. It's a flagship device that can handle anything I throw at it with grace and speed. In conclusion, for someone like me, the 12 Pro’s higher performance, superior camera, display and premium features are worth the extra cost.

That's it, hope this helped!

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.