Apple iPhone 15 Plus vs Xiaomi Redmi A3x - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date September 22, 2023 May 24, 2024
Release Year 2023 2024

Physical

Volume 97.64 cm³ 106.65 cm³
Screen Size to Weight Ratio 3.33 "/g 3.48 "/g
Weight 201 g 193 g
Height 160.9 mm 168.4 mm
Width 77.8 mm 76.3 mm
Thickness 7.8 mm 8.3 mm
Foldable Design No No
Available Colors
  • Black
  • Yellow
  • Blue
  • Green
  • Pink
  • Midnight Black
  • Olive Green
  • Moonlight White (Starry White)
  • Aurora Green (Ocean Green)

Display

Screen Size 6.7 " 6.71 "
Resolution 1290 x 2796 720 x 1650
Aspect Ratio 19.5:9 21:9
Screen-to-Body Ratio 88 % 82.9 %
Pixel Density 460 PPI 268 PPI
Refresh Rate N/A 90 Hz
Typical Brightness N/A 500 nits
HBM Brightness 1000 nits N/A
Peak Brightness 2000 nits N/A

Hardware

Battery Capacity per Screen Area 97.64 mAh/in² 111.05 mAh/in²
Battery Density 44.89 mAh/cm³ 46.88 mAh/cm³
Battery Capacity 4383 mAh 5000 mAh
NFC Support Yes No
Chipset Apple A16 Bionic (4 nm) Unisoc T603 (22 nm)
CPU Hexa-core (2x3.46 GHz Everest + 4x2.02 GHz Sawtooth) Octa-core 1.8 GHz
GPU Apple GPU (5-core graphics) 8

Connectivity

USB Version 2.0 N/A
OTG Support
DisplayPort 1
DisplayPort Version N/A N/A
USB Features USB Type-C 2.0, DisplayPort USB Type-C

Software

Operating System iOS Android
Initial OS Version 17 14
Maximum OS Version 18 16

Comparison Summary

1. Specifications Comparison

FeatureApple iPhone 15 PlusXiaomi Redmi A3xPractical Impact
Design
Dimensions160.9 x 77.8 x 7.8 mm168.4 x 76.3 x 8.3 mmiPhone 15 Plus is slightly shorter, narrower, and thinner. Redmi A3x may feel slightly larger in hand.
Weight201g193gNegligible weight difference in practical use.
Build MaterialsNot specifiedNot specifiedCannot compare build quality and durability without material information.
Display
Display TypeSuper Retina XDR OLEDIPS LCDiPhone's OLED offers significantly better contrast, deeper blacks, and wider viewing angles, resulting in a superior visual experience.
Size6.7"6.71"Virtually identical screen sizes.
Resolution1290 x 2796720 x 1650iPhone has a much sharper display (460 ppi vs 268 ppi), leading to crisper text and images. Redmi's display will appear noticeably pixelated.
Refresh RateNot specified90HzHigher refresh rate on Redmi A3x should result in smoother scrolling and animations. Lack of iPhone's refresh rate info prevents direct comparison.
Peak Brightness2000 nits500 nitsiPhone's drastically higher peak brightness ensures significantly better visibility in sunlight.
Performance
ChipsetApple A16 Bionic (4 nm)Unisoc T603 (22 nm)A16 is a significantly more powerful and efficient chip. Expect drastically better performance in demanding tasks and games on the iPhone.
CPUHexa-core (2x3.46 GHz + 4x2.02 GHz)Octa-core 1.8 GHziPhone's CPU architecture and higher clock speeds will deliver significantly faster processing speeds.
GPUApple GPU (5-core)8-core GPU (Unspecified)While Redmi has more cores, lacking specific GPU model information prevents detailed comparison. However, considering the overall chipset difference, iPhone likely offers superior graphics performance.
RAM6GB4GBiPhone's larger RAM capacity allows for smoother multitasking and better handling of demanding applications.
Storage256GB/512GB128GBiPhone offers more storage options for users with large media libraries.
Camera
Video CapabilitiesUp to 4K@60fps HDR, 1080p@240fps HDR1080p@30fpsiPhone offers significantly higher resolution and frame rate video recording capabilities, along with HDR support, resulting in superior video quality. Lack of detailed Redmi camera specs limits further analysis.
Battery
Capacity4383 mAh5000 mAhWhile Redmi has a larger battery capacity, the iPhone's more efficient processor likely offsets this difference in real-world usage. Actual battery life depends heavily on usage patterns.

2. Key Differences Analysis

iPhone 15 Plus Advantages:

  • Significantly higher performance: The A16 Bionic chip provides a vastly superior user experience for demanding tasks, gaming, and overall responsiveness.
  • Superior display: The OLED screen delivers vibrant colors, deep blacks, and excellent brightness.
  • Better camera capabilities: Based on available information, the iPhone offers superior video recording features.
  • Premium Ecosystem: Seamless integration with other Apple devices and services.

Redmi A3x Advantages:

  • Lower price: Significantly more affordable.
  • Larger battery capacity: Potentially longer battery life, but real-world performance depends on usage and optimization.
  • Higher refresh rate screen: Smoother scrolling and animations compared to a standard 60Hz display (assuming iPhone 15 Plus is 60Hz).

3. User Profiles & Recommendations

iPhone 15 Plus: Users who prioritize performance, premium display quality, a robust app ecosystem, and seamless integration with other Apple devices. Ideal for demanding tasks, gaming, content creation, and media consumption.

Redmi A3x: Budget-conscious users who primarily use their phone for basic tasks like calling, texting, browsing, and social media. Suitable for users who prioritize affordability over top-tier performance and features.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The Redmi A3x is significantly more affordable.
  2. What are your primary phone usage patterns? Demanding users will appreciate the iPhone's performance; casual users might find the Redmi sufficient.
  3. Do you value display quality and camera performance? The iPhone significantly outperforms the Redmi in these areas.

My Choice:

I would choose the iPhone 15 Plus. While the Redmi A3x offers a lower price and larger battery, the iPhone's superior performance, vastly better display, and overall premium experience are far more important to me. The A16 Bionic chip ensures a smooth and responsive user experience for years to come, and the OLED display provides a significant jump in visual quality. I am willing to pay the premium for the long-term value and superior user experience the iPhone 15 Plus offers. The significant difference in display resolution alone would heavily influence my decision as I value crisp, clear visuals.

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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