Xiaomi 14 vs Xiaomi Redmi A3x - Detailed Phone Comparison

Detailed Comparison

Specification
Xiaomi 14
Xiaomi 14
Xiaomi

General

Launch Date November 1, 2023 May 24, 2024
Release Year 2023 2024

Physical

Volume 89.59 cm³ 106.65 cm³
Screen Size to Weight Ratio 3.38 "/g 3.48 "/g
Weight 188 g 193 g
Height 152.8 mm 168.4 mm
Width 71.5 mm 76.3 mm
Thickness 8.2 mm 8.3 mm
Foldable Design No No
Available Colors
  • Black
  • White
  • Pink
  • Jade Green
  • Midnight Black
  • Olive Green
  • Moonlight White (Starry White)
  • Aurora Green (Ocean Green)

Display

Screen Size 6.36 " 6.71 "
Resolution 1200 x 2670 720 x 1650
Aspect Ratio 20:9 21:9
Screen-to-Body Ratio 89.3 % 82.9 %
Pixel Density 460 PPI 268 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness 1000 nits 500 nits
HBM Brightness N/A N/A
Peak Brightness 3000 nits N/A

Hardware

Battery Capacity per Screen Area 113.97 mAh/in² 111.05 mAh/in²
Battery Density 51.46 mAh/cm³ 46.88 mAh/cm³
Battery Capacity 4610 mAh 5000 mAh
NFC Support Yes No
Chipset Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm) Unisoc T603 (22 nm)
CPU Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520) Octa-core 1.8 GHz
GPU Adreno 750 8

Connectivity

USB Version 3.2 N/A
OTG Support 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 3.2, OTG USB Type-C

Software

Operating System Android Android
Initial OS Version 14 14
Maximum OS Version 18 16

Comparison Summary

1. Specifications Comparison

FeatureXiaomi 14Xiaomi Redmi A3xPractical Impact
Design
Dimensions152.8 x 71.5 x 8.2 mm168.4 x 76.3 x 8.3 mmThe Xiaomi 14 is noticeably smaller and more compact, making it easier to handle and pocket.
Weight188g193gThe weight difference is negligible in real-world usage.
Build MaterialsNot specifiedNot specifiedCannot compare without information on build materials.
Display
Display TypeLTPO OLED, 68B colors, 120HzIPS LCD, 90HzThe Xiaomi 14's OLED display offers significantly better contrast, deeper blacks, and richer colors. The 120Hz refresh rate provides smoother animations and scrolling compared to the 90Hz on the Redmi A3x.
Resolution1200 x 2670720 x 1650The Xiaomi 14 has a much sharper display with higher pixel density (460 ppi vs 268 ppi), resulting in significantly clearer text and images.
Peak Brightness3000 nits500 nitsThe Xiaomi 14's vastly superior peak brightness ensures excellent outdoor visibility, even in direct sunlight. The Redmi A3x's display may be difficult to see outdoors.
Performance
ChipsetSnapdragon 8 Gen 3 (4nm)Unisoc T603 (22nm)The Snapdragon 8 Gen 3 is a flagship-level processor, offering vastly superior performance compared to the budget-oriented Unisoc T603. This translates to significantly faster app loading, smoother multitasking, and better gaming performance on the Xiaomi 14.
CPUOcta-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)Octa-core 1.8 GHzDetailed core configuration on the Xiaomi 14 highlights its performance advantage. The Redmi A3x's CPU will struggle with demanding tasks.
GPUAdreno 7508 (Unspecified)The Adreno 750 is a high-performance GPU capable of handling demanding games and graphics-intensive tasks. The Redmi A3x's GPU performance is significantly lower. Lack of specific GPU model hinders detailed comparison.
RAM12GB4GBThe Xiaomi 14's 12GB RAM enables seamless multitasking and keeps more apps open in the background. The Redmi A3x's 4GB RAM may lead to performance slowdowns with multiple apps open.
Storage256GB/512GB128GBThe Xiaomi 14 offers more storage options for storing apps, photos, and videos.
Battery
Capacity4610 mAh5000 mAhWhile the Redmi A3x has a slightly larger battery capacity, the Xiaomi 14's more efficient processor and display technology may result in comparable or even better battery life.
Camera
Video Capabilities8K@24fps, 4K@60fps, up to 720p@1920fps1080p@30fpsThe Xiaomi 14 offers vastly superior video recording capabilities with higher resolution, frame rates, and features like HDR and EIS.
Specific Camera DetailsNot fully specified for either phoneMissing detailed sensor specifications limit a thorough camera comparison.

2. Key Differences Analysis

Xiaomi 14 Advantages:

  • Significantly higher performance: Due to the flagship Snapdragon 8 Gen 3 processor.
  • Superior display: Sharper, brighter, more vibrant OLED with a faster refresh rate.
  • More advanced features: Includes NFC, faster charging (USB 3.2), and more comprehensive sensor suite.
  • Better video recording capabilities: Offers higher resolution and frame rates.

Xiaomi Redmi A3x Advantages:

  • Lower price: Positioned in the budget segment.
  • Potentially longer battery life: Due to the larger battery capacity and less demanding hardware. This is speculative due to lack of usage data.

3. User Profiles & Recommendations

Xiaomi 14: Ideal for users who prioritize performance, a high-quality display, and advanced features. Suitable for demanding tasks like gaming, content creation, and multitasking.

Xiaomi Redmi A3x: Suitable for budget-conscious users who primarily use their phone for basic tasks like calling, texting, browsing, and social media. Not recommended for demanding applications or users who prioritize display quality and performance.

4. Decision Framework

Key Questions:

  1. What is your budget? The Xiaomi 14 is significantly more expensive.
  2. What are your primary phone usage patterns? Demanding tasks vs. basic usage.
  3. How important are display quality and performance?

Scenario-based Recommendations:

  • Heavy user, gamer, content creator: Xiaomi 14
  • Budget-conscious user with basic needs: Xiaomi Redmi A3x

My Choice: Xiaomi 14

Reasoning: While significantly more expensive, the Xiaomi 14 offers a vastly superior user experience in almost every aspect. The performance difference alone is substantial, making the Xiaomi 14 a much more future-proof device. The superior display, faster refresh rate, and additional features like NFC solidify its position as the better choice for my needs. While battery life is a consideration, the efficiency gains from the Xiaomi 14's processor may offset the Redmi A3x's larger battery capacity. I prioritize performance and a premium experience, making the Xiaomi 14 the clear winner.

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.

Key Strengths:

  • Mobile technology analysis
  • Digital media communication
  • Technical storytelling
  • User-centric technology insights

Bridging technical complexity with engaging, accessible narratives.