Realme 12+ vs Xiaomi Redmi A3x - Detailed Phone Comparison

Detailed Comparison

Specification
Realme 12+
Realme 12+
Realme

General

Launch Date March 2, 2024 May 24, 2024
Release Year 2024 2024

Physical

Volume 97.22 cm³ 106.65 cm³
Screen Size to Weight Ratio 3.51 "/g 3.48 "/g
Weight 190 g 193 g
Height 163 mm 168.4 mm
Width 75.5 mm 76.3 mm
Thickness 7.9 mm 8.3 mm
Foldable Design No No
Available Colors
  • Navigator Beige
  • Pioneer Green
  • Midnight Black
  • Olive Green
  • Moonlight White (Starry White)
  • Aurora Green (Ocean Green)

Display

Screen Size 6.67 " 6.71 "
Resolution 1080 x 2400 720 x 1650
Aspect Ratio 20:9 21:9
Screen-to-Body Ratio 87.3 % 82.9 %
Pixel Density 395 PPI 268 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness 600 nits 500 nits
HBM Brightness N/A N/A
Peak Brightness 2000 nits N/A

Hardware

Battery Capacity per Screen Area 112.39 mAh/in² 111.05 mAh/in²
Battery Density 51.43 mAh/cm³ 46.88 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes No
Chipset Mediatek Dimensity 7050 (6 nm) Unisoc T603 (22 nm)
CPU Octa-core (2x2.6 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55) Octa-core 1.8 GHz
GPU Mali-G68 MC4 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 14 14
Maximum OS Version 16 16

Comparison Summary

1. Specifications Comparison

FeatureRealme 12+Xiaomi Redmi A3xPractical Impact
Design
Dimensions (mm)163 x 75.5 x 7.9168.4 x 76.3 x 8.3The Redmi A3x is slightly larger and thicker.
Weight (g)190193Negligible weight difference.
Build MaterialsNot specifiedNot specifiedCannot compare build quality.
Display
Display TypeAMOLED, 120Hz, HDR10+IPS LCD, 90HzThe Realme 12+ offers significantly better contrast, colors, and smoother scrolling thanks to AMOLED and 120Hz.
Resolution1080 x 2400720 x 1650The Realme 12+ has a much sharper display. The Redmi A3x's lower resolution will be noticeable in everyday use.
Peak Brightness2000 nitsNot specifiedThe Realme 12+ will be significantly more visible in direct sunlight. The lack of peak brightness specification for the Redmi A3x makes direct comparison impossible but suggests lower outdoor visibility.
Refresh Rate120Hz90HzThe Realme 12+'s higher refresh rate results in smoother animations and scrolling.
Performance
ChipsetMediatek Dimensity 7050 (6nm)Unisoc T603 (22nm)The Realme 12+ will offer significantly better performance and efficiency due to a more powerful and modern chipset built on a smaller process node.
CPUOcta-core (2x2.6 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)Octa-core 1.8 GHzMore detailed CPU information on the Realme 12+ indicates a performance advantage in demanding tasks.
GPUMali-G68 MC48 (Unspecified)The Realme 12+ should provide a much better gaming and graphics-intensive application experience. The lack of detailed GPU information for the Redmi A3x limits a precise comparison.
RAM8GB4GBThe Realme 12+ will handle multitasking and demanding apps much better with double the RAM.
Storage256GB128GBThe Realme 12+ offers double the storage space.
Camera
Video Capabilities4K@30fps (EIS), 1080p@30/60fps (EIS)1080p@30fpsThe Realme 12+ allows for higher resolution video recording (4K) and offers electronic image stabilization (EIS) for smoother footage at various resolutions.
Battery
Capacity5000 mAh5000 mAhSimilar battery capacities, but real-world battery life will depend on software optimization and display efficiency. Expect the Realme 12+ to drain faster due to the 120Hz AMOLED display.

2. Key Differences Analysis

Realme 12+ Advantages:

  • Significantly superior display: AMOLED with 120Hz, HDR10+, and higher resolution provides a vastly better visual experience.
  • Much better performance: A more powerful and efficient chipset, along with more RAM, will result in smoother operation, better multitasking, and improved gaming capabilities.
  • Enhanced Camera Features: 4K video recording and Electronic Image Stabilization (EIS).

Xiaomi Redmi A3x Advantages:

  • Lower Price: Belongs to a lower price range, making it more budget-friendly.
  • Potentially longer battery life due to the less demanding display and processor (though this is not guaranteed without real-world testing).

Trade-offs:

  • The Redmi A3x sacrifices performance, display quality, and features for affordability.
  • The Realme 12+ may have slightly reduced battery life due to its more powerful components and higher refresh rate display.

3. User Profiles & Recommendations

Realme 12+: Users who prioritize performance, a high-quality display, smooth user experience, and good camera capabilities. Ideal for gaming, media consumption, and multitasking.

Xiaomi Redmi A3x: Users on a tight budget who prioritize basic functionality for everyday tasks like calling, texting, and light web browsing.

4. Decision Framework

Key Questions:

  1. What is your budget? The Redmi A3x is significantly cheaper.
  2. What are your primary use cases? Gaming, media consumption, and demanding tasks favor the Realme 12+. Basic communication favors the Redmi A3x.
  3. How important is display quality? The Realme 12+ provides a substantially better visual experience.

My Choice: Realme 12+

While the Redmi A3x offers a budget-friendly option, the Realme 12+ is the superior device overall. Its significantly better display, performance, and features outweigh the price difference for me. The smoother 120Hz AMOLED display, the more powerful processor for demanding tasks and gaming, and the superior camera capabilities make it a much more compelling device. I am willing to pay the price premium for a substantially improved user experience in the long run. While battery life might be a concern, modern power management features and the ability to adjust the refresh rate could mitigate this issue. The Redmi A3x might be a suitable choice for extremely budget-conscious users who only need a basic smartphone, but the Realme 12+ offers a far more enjoyable and future-proof experience.

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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  • Mobile technology analysis
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Bridging technical complexity with engaging, accessible narratives.