Xiaomi Redmi A2 vs Realme 12x - Detailed Phone Comparison

Detailed Comparison

Specification
Realme 12x
Realme 12x
Realme

General

Launch Date March 24, 2023 April 7, 2024
Release Year 2023 2024

Physical

Volume 115.25 cm³ 99.56 cm³
Screen Size to Weight Ratio 3.4 "/g 3.51 "/g
Weight 192 g 190 g
Height 164.9 mm 165.6 mm
Width 76.8 mm 76.1 mm
Thickness 9.1 mm 7.9 mm
Foldable Design No No
Available Colors
  • Aqua Blue
  • Classic Black
  • Sea Green
  • Glowing Black
  • Feather Green

Display

Screen Size 6.52 " 6.67 "
Resolution 720 x 1600 720 x 1604
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 81 % 85.1 %
Pixel Density 269 PPI 264 PPI
Refresh Rate N/A 120 Hz
Typical Brightness 400 nits N/A
HBM Brightness N/A 625 nits
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 117.62 mAh/in² 112.39 mAh/in²
Battery Density 43.39 mAh/cm³ 50.22 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support No Yes
Chipset Mediatek Helio G36 (12 nm) Mediatek Dimensity 6100+ (6 nm)
CPU Octa-core (4x2.2 GHz Cortex-A53 & 4x1.7 GHz Cortex-A53) Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU PowerVR GE8320 Mali-G57 MC2

Connectivity

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

Software

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

Comparison Summary

1. Specifications Comparison

FeatureXiaomi Redmi A2Realme 12xPractical Impact
Design
Dimensions (mm)164.9 x 76.8 x 9.1165.6 x 76.1 x 7.9Realme 12x is slightly thinner and lighter. Negligible difference in daily use.
Weight (g)192190Negligible difference in daily use.
BuildUnspecifiedUnspecifiedBuild quality cannot be compared due to lack of information.
Display
Size (inches)6.526.67Realme 12x offers a slightly larger screen for more immersive content consumption.
Resolution720 x 1600720 x 1604Virtually identical resolution; both are at the lower end of sharpness for this size. Pixelation might be noticeable.
TypeIPS LCDIPS LCDSimilar display technology; expect decent color reproduction but limited contrast compared to AMOLED.
Refresh Rate (Hz)Unspecified120Realme 12x's 120Hz refresh rate provides significantly smoother scrolling and animations, resulting in a more fluid user experience.
Performance
ChipsetMediatek Helio G36 (12nm)Mediatek Dimensity 6100+ (6nm)Realme 12x has a significantly more powerful and efficient processor, leading to much better performance in demanding tasks and games. The 6nm process also results in better battery life.
CPUOcta-core (4x2.2 GHz Cortex-A53 & 4x1.7 GHz Cortex-A53)Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)Realme 12x utilizes more powerful CPU cores (Cortex-A76) offering a substantial performance advantage over the Redmi A2's older Cortex-A53 cores.
GPUPowerVR GE8320Mali-G57 MC2Realme 12x boasts a considerably more capable GPU, resulting in smoother gaming and faster graphics rendering.
RAM2/3 GB8/12 GBRealme 12x offers significantly more RAM, enabling superior multitasking and smoother performance with multiple apps open.
Storage32/64GB256/512 GBRealme 12x offers substantially more storage for apps, photos, and videos.
Camera
Rear Camera8MP Main, 0.3MP (Unspecified)50MP Main, 2MP DepthRealme 12x has a much higher resolution main sensor, likely capturing significantly more detailed and clearer photos. The depth sensor on the 12x aids in portrait mode shots.
Front Camera5MP8MPRealme 12x has a slightly better front-facing camera, likely producing better selfie quality.
Video Recording1080p@30fps1080p@30fps, 120fps Slow-moBoth can record 1080p video, but the Realme 12x offers slow-motion recording at 120fps.
Battery
Capacity (mAh)50005000Identical battery capacity. Actual battery life will depend on software optimization and chipset efficiency, where the Realme 12x has an advantage due to its 6nm processor.
Charging10W Fast Charging15W Fast ChargingRealme 12x supports slightly faster charging.
Other
NFCNoYesRealme 12x supports NFC for contactless payments and other functionalities.
OSAndroid 12Android 14Realme 12x ships with a newer Android version, offering potential performance improvements, new features, and longer security updates.
USBmicroUSB 2.0USB Type-C 2.0Realme 12x uses the modern and reversible USB-C port.

2. Key Differences Analysis

Realme 12x Advantages:

  • Significantly better performance: The Dimensity 6100+ chipset, coupled with more RAM, delivers a vastly superior experience for demanding tasks and gaming.
  • Smoother Display: The 120Hz refresh rate provides a noticeably more fluid user interface.
  • More Modern Features: NFC, USB-C, newer Android OS, and 5G connectivity.
  • Improved Camera: Higher resolution main camera and slow-motion video recording.

Xiaomi Redmi A2 Advantages:

  • Lower Price: Positioned in the "low price" range, making it more accessible.

Trade-offs:

  • The Redmi A2 sacrifices performance, features, and camera quality for affordability.
  • The Realme 12x costs more but provides a significantly better overall user experience.

3. User Profiles & Recommendations

Xiaomi Redmi A2: Suitable for budget-conscious users who primarily use their phone for basic tasks like calling, texting, browsing, and social media. Not recommended for gaming or demanding applications.

Realme 12x: Ideal for users who want a smooth and responsive phone with good performance for gaming, multitasking, and media consumption. The inclusion of NFC and a modern USB-C port makes it a well-rounded device.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The Redmi A2 is significantly cheaper.
  2. What do you primarily use your phone for? Basic tasks vs. demanding applications and gaming.
  3. How important are features like NFC, a modern USB port, and a smooth display?

Scenario-Based Recommendations:

  • Tight Budget, Basic Usage: Redmi A2
  • Balanced Performance and Price: Realme 12x
  • Performance and Feature Focused: Realme 12x

My Choice: Realme 12x

While the Redmi A2 offers an extremely budget-friendly option, the Realme 12x provides a vastly superior overall experience. The significantly faster processor, smoother display, larger storage, better camera, NFC functionality, and more modern USB-C port make it a much more compelling device. Even though the price is higher, the long-term value and user experience offered by the Realme 12x outweigh the cost difference for me. The performance difference alone would greatly impact daily usability, making the 12x a more future-proof choice. A smoother display and the inclusion of NFC are also important quality-of-life improvements.

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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