Xiaomi Redmi A2 vs Xiaomi Redmi 12 5G - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date March 24, 2023 August 4, 2023
Release Year 2023 2023

Physical

Volume 115.25 cm³ 105.49 cm³
Screen Size to Weight Ratio 3.4 "/g 3.41 "/g
Weight 192 g 199 g
Height 164.9 mm 168.6 mm
Width 76.8 mm 76.3 mm
Thickness 9.1 mm 8.2 mm
Foldable Design No No
Available Colors
  • Aqua Blue
  • Classic Black
  • Sea Green
  • Moonstone Silver
  • Jade Black
  • Pastel Blue

Display

Screen Size 6.52 " 6.79 "
Resolution 720 x 1600 1080 x 2460
Aspect Ratio 20:9 21:9
Screen-to-Body Ratio 81 % 85.1 %
Pixel Density 269 PPI 396 PPI
Refresh Rate N/A 90 Hz
Typical Brightness 400 nits 550 nits
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 117.62 mAh/in² 108.45 mAh/in²
Battery Density 43.39 mAh/cm³ 47.4 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support No No
Chipset Mediatek Helio G36 (12 nm) Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm)
CPU Octa-core (4x2.2 GHz Cortex-A53 & 4x1.7 GHz Cortex-A53) Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55)
GPU PowerVR GE8320 Adreno 613

Connectivity

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

Software

Operating System Android Android
Initial OS Version 12 13
Maximum OS Version 14

Comparison Summary

1. Specifications Comparison

FeatureXiaomi Redmi A2Xiaomi Redmi 12 5GPractical Impact
Design
Dimensions (mm)164.9 x 76.8 x 9.1168.6 x 76.3 x 8.2Redmi 12 5G is slightly larger but thinner.
Weight (g)192199Negligible weight difference in practical use.
Build MaterialsUnspecifiedUnspecifiedMaterial differences could impact durability and feel, but we lack data.
Display
Display TypeIPS LCDIPS LCDBoth offer good color reproduction but may lack deep blacks compared to OLED.
Display Size (inches)6.526.79Redmi 12 5G offers a larger screen for more immersive media consumption.
Resolution720 x 16001080 x 2460Redmi 12 5G has a significantly sharper display, resulting in clearer text and images.
Refresh RateUnspecified90HzThe 90Hz refresh rate on the Redmi 12 5G provides smoother scrolling and animations.
Performance
ChipsetMediatek Helio G36 (12 nm)Qualcomm Snapdragon 4 Gen 2 (4 nm)Redmi 12 5G's chipset is built on a smaller process node, likely leading to better power efficiency and performance.
CPUOcta-core (4x2.2 GHz Cortex-A53 & 4x1.7 GHz Cortex-A53)Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55)Redmi 12 5G utilizes more powerful Cortex-A78 cores, delivering noticeably better performance for demanding tasks.
GPUPowerVR GE8320Adreno 613Redmi 12 5G likely has a more capable GPU, offering smoother gaming and faster graphics rendering.
RAM2/3GB4/6/8GBRedmi 12 5G offers more RAM options, enabling better multitasking and app performance.
Camera
Main Camera8MP50MPRedmi 12 5G boasts significantly higher resolution for detailed photos.
Secondary Camera0.3MP (Unspecified purpose)2MP (Depth Sensor)Redmi 12 5G's depth sensor assists in portrait mode for better bokeh effects.
Video Recording1080p@30fps1080p@30fpsEquivalent video resolution, though the Redmi 12 5G might offer better quality due to its superior processing capabilities.
Battery
Capacity5000 mAh5000 mAhSimilar battery capacity suggests comparable battery life.
Fast Charging10W18WRedmi 12 5G supports faster charging, reducing downtime.

2. Key Differences Analysis

Redmi A2 Advantages:

  • Lower Price: Significantly more affordable.

Redmi 12 5G Advantages:

  • Superior Performance: Faster processor, more RAM, and a more modern chipset.
  • Better Display: Higher resolution, larger screen size, and a smoother 90Hz refresh rate.
  • Improved Camera: Higher resolution main camera and a dedicated depth sensor.
  • Faster Charging: 18W fast charging significantly reduces charging time.
  • 5G Connectivity: Future-proofed with 5G network support.

Trade-offs:

  • The Redmi A2 sacrifices performance, display quality, and features for affordability.
  • The Redmi 12 5G comes at a higher price point.

3. User Profiles & Recommendations

Redmi A2:

  • Ideal User: Budget-conscious users who primarily use their phone for basic tasks like calling, texting, and browsing.
  • Use Cases: Simple web browsing, social media, casual photography.

Redmi 12 5G:

  • Ideal User: Users who want a well-rounded phone with good performance, a nice display, and decent camera capabilities.
  • Use Cases: Mobile gaming, media consumption, multitasking, photography enthusiasts.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The Redmi A2 is a great option for extremely tight budgets.
  2. What are your primary phone usage patterns? For basic use, the A2 suffices; for demanding tasks, the 12 5G is necessary.
  3. How important are features like a high-quality display and camera? The 12 5G excels in these areas.

Scenario-Based Recommendations:

  • Student on a tight budget: Redmi A2
  • Casual user who prioritizes value: Redmi 12 5G
  • Mobile gamer: Redmi 12 5G

My Choice: Redmi 12 5G

While the Redmi A2 offers incredible value for its price, the Redmi 12 5G is the better overall phone. The improved performance, sharper display, better camera, faster charging, and 5G connectivity make it a much more capable device for a wider range of users. The price difference is justifiable considering the substantial upgrades. Even though specific build materials and detailed GPU frequencies are missing, the available data strongly favors the Redmi 12 5G for its tangible benefits in everyday usage. The smoother refresh rate alone significantly enhances the user experience. For a relatively small price increase, the Redmi 12 5G provides a significant leap in usability and longevity.

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.