Apple iPhone 15 Pro 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 85.9 cm³ 106.65 cm³
Screen Size to Weight Ratio 3.26 "/g 3.48 "/g
Weight 187 g 193 g
Height 146.6 mm 168.4 mm
Width 70.6 mm 76.3 mm
Thickness 8.3 mm 8.3 mm
Foldable Design No No
Available Colors
  • Black Titanium
  • White Titanium
  • Blue Titanium
  • Natural Titanium
  • Midnight Black
  • Olive Green
  • Moonlight White (Starry White)
  • Aurora Green (Ocean Green)

Display

Screen Size 6.1 " 6.71 "
Resolution 1179 x 2556 720 x 1650
Aspect Ratio 19.5:9 21:9
Screen-to-Body Ratio 88.2 % 82.9 %
Pixel Density 461 PPI 268 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness 1000 nits 500 nits
HBM Brightness 2000 nits N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 87.99 mAh/in² 111.05 mAh/in²
Battery Density 38.11 mAh/cm³ 46.88 mAh/cm³
Battery Capacity 3274 mAh 5000 mAh
NFC Support Yes No
Chipset Apple A17 Pro (3 nm) Unisoc T603 (22 nm)
CPU Hexa-core (2x3.78 GHz + 4x2.11 GHz) Octa-core 1.8 GHz
GPU Apple GPU (6-core graphics) 8

Connectivity

USB Version 3.2 N/A
OTG Support
DisplayPort 1
DisplayPort Version N/A N/A
USB Features USB Type-C 3.2, Gen 2, 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 ProXiaomi Redmi A3xPractical Impact
Design
Dimensions146.6 x 70.6 x 8.3 mm168.4 x 76.3 x 8.3 mmiPhone 15 Pro is significantly smaller and easier to handle one-handed. Redmi A3x is larger, potentially better for media consumption but less pocketable.
Weight187g193gNegligible weight difference in practical use.
Build MaterialsUnspecifiedUnspecifiedMaterial differences can impact durability and premium feel; information is lacking for a complete comparison.
Display
Display TypeLTPO Super Retina XDR OLEDIPS LCDiPhone's OLED offers superior contrast, deeper blacks, and wider viewing angles compared to Redmi's LCD.
Size6.1"6.71"Redmi A3x provides a larger screen for media consumption and multitasking, while the iPhone 15 Pro offers better one-handed usability.
Resolution1179 x 2556720 x 1650iPhone 15 Pro boasts significantly sharper visuals due to higher resolution and pixel density (461 ppi vs 268 ppi).
Refresh Rate120Hz90HziPhone 15 Pro will feel smoother and more responsive in animations and scrolling compared to the Redmi A3x.
Brightness1000 nits (typ), 2000 nits (HBM)500 nitsiPhone 15 Pro will be significantly brighter and more readable outdoors, especially in direct sunlight.
Performance
ChipsetApple A17 Pro (3 nm)Unisoc T603 (22 nm)A17 Pro is a significantly more powerful and efficient chip, enabling superior performance in demanding tasks and gaming on the iPhone 15 Pro.
CPUHexa-core (2x3.78 GHz + 4x2.11 GHz)Octa-core 1.8 GHziPhone's CPU offers substantially higher clock speeds, translating to much faster processing.
GPUApple GPU (6-core graphics)8-core GPU (unspecified)While Redmi has more cores, the architectural advantage and processing power of Apple's GPU will likely result in significantly better graphics performance.
RAM8GB4GBiPhone 15 Pro having double the RAM enables better multitasking and app switching performance.
Storage256GB, 512GB, 1TB128GBiPhone offers larger storage options, crucial for users who store large amounts of media or apps.
Battery
Capacity3274 mAh5000 mAhRedmi A3x has a significantly larger battery capacity, potentially offering longer battery life. However, real-world battery life depends on various factors including software optimization and display efficiency.
Other
OSiOS 17Android 14OS preference is subjective. iOS is known for its simplicity and tight integration, while Android offers more customization options.
NFCYesNoiPhone 15 Pro supports contactless payments and data transfer via NFC, which the Redmi A3x lacks.

2. Key Differences Analysis

iPhone 15 Pro Advantages:

  • Significantly higher performance: The A17 Pro chip offers a massive performance advantage for demanding tasks, gaming, and future-proofing.
  • Superior Display: OLED technology with higher resolution, refresh rate, and brightness delivers a dramatically better visual experience.
  • Premium Features: NFC for contactless payments, more advanced sensors (Face ID, barometer), and faster charging (USB 3.2 Gen 2).

Redmi A3x Advantages:

  • Larger Battery: Potentially longer battery life, appealing to users who prioritize all-day usage.
  • Larger Display: More screen real estate for media consumption and multitasking.
  • Lower Price: Significantly more affordable, catering to budget-conscious consumers.

Trade-offs:

  • Performance vs. Price: The iPhone 15 Pro offers superior performance but at a much higher price. The Redmi A3x sacrifices performance for affordability.
  • Features vs. Simplicity: Android offers more customization, while iOS provides a simpler, more streamlined user experience.

3. User Profiles & Recommendations

iPhone 15 Pro Ideal User: Power users, gamers, content creators, and individuals who prioritize performance, premium features, and a seamless user experience. Excellent for demanding tasks, photography/videography, and mobile gaming.

Redmi A3x Ideal User: Budget-conscious users who prioritize basic communication, social media browsing, and long battery life. Suitable for light users and those seeking an affordable smartphone for everyday tasks.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The iPhone 15 Pro is a premium device, while the Redmi A3x is significantly more affordable.
  2. What are your primary smartphone uses? Demanding tasks and gaming benefit from the iPhone's power, while basic use cases are well-served by the Redmi A3x.
  3. Which operating system do you prefer? iOS offers simplicity and a cohesive ecosystem, while Android allows for greater customization.

My Choice: Apple iPhone 15 Pro

While significantly more expensive, the iPhone 15 Pro offers a vastly superior overall experience. The performance difference is substantial, ensuring smooth operation for years to come. The superior display, build quality (assumed based on Apple's history), and feature set make it a more compelling long-term investment. While the Redmi A3x offers excellent value for its price, the compromises in performance and features are too significant for my needs. I prioritize a fluid, responsive user experience and long-term value, which the iPhone 15 Pro delivers. The inclusion of NFC is also essential for my daily use of contactless payments.

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.