Apple iPhone 15 Pro Max 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 101.79 cm³ 106.65 cm³
Screen Size to Weight Ratio 3.03 "/g 3.48 "/g
Weight 221 g 193 g
Height 159.9 mm 168.4 mm
Width 76.7 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 6.7 " 6.71 "
Resolution 1290 x 2796 720 x 1650
Aspect Ratio 19.5:9 21:9
Screen-to-Body Ratio 89.8 % 82.9 %
Pixel Density 460 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 98.93 mAh/in² 111.05 mAh/in²
Battery Density 43.63 mAh/cm³ 46.88 mAh/cm³
Battery Capacity 4441 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 Pro MaxXiaomi Redmi A3xPractical Impact
Design
Dimensions159.9 x 76.7 x 8.3 mm168.4 x 76.3 x 8.3 mmThe iPhone 15 Pro Max is slightly shorter and narrower but both have the same thickness. The Redmi A3x might feel slightly larger in hand.
Weight221 g193 gThe iPhone 15 Pro Max is noticeably heavier.
Build MaterialsInformation not providedInformation not providedBuild quality and material durability cannot be compared without further information.
Display
Display TypeLTPO Super Retina XDR OLEDIPS LCDThe iPhone's OLED display will offer significantly better contrast, deeper blacks, wider viewing angles, and potentially higher brightness compared to the Redmi's LCD.
Size6.7"6.71"Negligible difference in screen real estate.
Resolution1290 x 2796720 x 1650Much sharper and more detailed visuals on the iPhone. Text, images, and videos will be significantly clearer.
Refresh Rate120Hz90HzSmoother animations and scrolling on the iPhone, leading to a more fluid user experience.
Brightness1000 nits (typ), 2000 nits (HBM)500 nitsThe iPhone will be much brighter and easier to see outdoors, especially in direct sunlight.
Performance
ChipsetApple A17 Pro (3 nm)Unisoc T603 (22 nm)The A17 Pro is significantly more powerful, enabling much faster performance in all tasks, including demanding games and applications. The Redmi's T603 is a budget chipset focused on basic functionality.
CPUHexa-core (2x3.78 GHz + 4x2.11 GHz)Octa-core 1.8 GHzSignificantly faster CPU performance on the iPhone, resulting in quicker app loading, smoother multitasking, and better responsiveness.
GPUApple GPU (6-core graphics)Information not provided. Only core count "8" provided.The iPhone's GPU will offer vastly superior graphics performance, crucial for gaming and graphically intensive tasks. Detailed comparison is impossible without full Redmi GPU information.
RAM8GB4GBMore RAM in the iPhone allows for better multitasking and smoother performance when running multiple apps simultaneously.
Storage512GB/1TB128GBMore storage options on the iPhone cater to users with large media libraries. The Redmi offers less storage, limiting the number of apps, photos, and videos that can be stored.
Camera
Video CapabilitiesUp to 4K@60fps (HDR), 1080p@240fps (HDR)1080p@30fpsThe iPhone offers significantly higher resolution and frame rate video recording capabilities, including slow-motion recording, resulting in superior video quality.
Specific Sensor detailsInformation not provided for either phone.Information not provided for either phone.Image and video quality comparisons beyond resolution and frame rate are not possible without sensor details like sensor size and aperture.
Battery
Capacity4441 mAh5000 mAhWhile the Redmi has a larger battery capacity, the iPhone's more efficient processor and optimized software may result in comparable or even better battery life. Real-world battery tests are needed for accurate comparison.
Other
OSiOS 17Android 14Different operating systems cater to different user preferences. iOS is known for its simplicity and tight integration, while Android offers more customization options.
NFCTrueFalseThe iPhone supports NFC for contactless payments and other applications, while the Redmi does not.

2. Key Differences Analysis

iPhone 15 Pro Max Advantages:

  • Significantly higher performance: The A17 Pro chip provides a substantial performance advantage for demanding tasks and gaming.
  • Superior display: The OLED display offers better color accuracy, contrast, and brightness.
  • Smoother user experience: 120Hz refresh rate ensures fluid animations and scrolling.
  • Advanced camera features: Higher resolution and frame rate video recording capabilities.
  • Premium build quality: While materials are not specified, iPhones generally have a reputation for high-quality construction (this is an assumption based on historical data, not provided specs).

Xiaomi Redmi A3x Advantages:

  • Lower price: Significantly more affordable.
  • Larger battery capacity: Potentially longer battery life, though real-world usage will vary.
  • Lighter weight: More comfortable for extended use.

3. User Profiles & Recommendations

iPhone 15 Pro Max: Users who prioritize performance, display quality, premium features, and a seamless user experience. Ideal for demanding tasks, gaming, content creation, and mobile photography/videography.

Xiaomi Redmi A3x: Budget-conscious users who prioritize basic functionality, long battery life, and affordability. Suitable for everyday tasks like calling, texting, browsing, and social media.

4. Decision Framework

Key Questions:

  1. What is your budget? The iPhone 15 Pro Max is a premium device, while the Redmi A3x is a budget option.
  2. What are your primary use cases? Demanding tasks and gaming benefit from the iPhone's performance, while basic usage is well-served by the Redmi.
  3. Which operating system do you prefer? iOS and Android offer different experiences and ecosystems.

My Choice:

I would choose the iPhone 15 Pro Max. While significantly more expensive, the substantial performance difference, superior display, smoother user experience, and advanced features justify the price for my needs. I prioritize a fluid and responsive phone for productivity, content creation, and occasional gaming. The improved camera capabilities are also a significant factor. While the Redmi A3x offers good value for its price, the performance limitations and lower quality display would be a compromise I'm not willing to make. The lack of NFC is also a drawback for me.

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:

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Bridging technical complexity with engaging, accessible narratives.