Asus ROG Phone 8 Pro vs Xiaomi Redmi A3x - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 18, 2024 May 24, 2024
Release Year 2024 2024

Physical

Volume 111.96 cm³ 106.65 cm³
Screen Size to Weight Ratio 3.01 "/g 3.48 "/g
Weight 225 g 193 g
Height 163.8 mm 168.4 mm
Width 76.8 mm 76.3 mm
Thickness 8.9 mm 8.3 mm
Foldable Design No No
Available Colors
  • Phantom Black
  • Midnight Black
  • Olive Green
  • Moonlight White (Starry White)
  • Aurora Green (Ocean Green)

Display

Screen Size 6.78 " 6.71 "
Resolution 1080 x 2400 720 x 1650
Aspect Ratio 20:9 21:9
Screen-to-Body Ratio 88.2 % 82.9 %
Pixel Density 388 PPI 268 PPI
Refresh Rate 165 Hz 90 Hz
Typical Brightness N/A 500 nits
HBM Brightness 1600 nits N/A
Peak Brightness 2500 nits N/A

Hardware

Battery Capacity per Screen Area 119.65 mAh/in² 111.05 mAh/in²
Battery Density 49.12 mAh/cm³ 46.88 mAh/cm³
Battery Capacity 5500 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 N/A N/A
OTG Support 1
DisplayPort 1
DisplayPort Version 1.4 N/A
USB Features USB Type-C, OTG, DisplayPort 1.4, Bottom Port USB Type-C

Software

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

Comparison Summary

Asus ROG Phone 8 Pro vs. Xiaomi Redmi A3x: A Deep Dive

Let's dissect these two smartphones, the Asus ROG Phone 8 Pro and the Xiaomi Redmi A3x, to see how they stack up against each other. We'll go beyond the spec sheet and translate those numbers into real-world experiences.

1. Specifications Breakdown

FeatureAsus ROG Phone 8 ProXiaomi Redmi A3xReal-World Implications
Design
Dimensions163.8 x 76.8 x 8.9 mm168.4 x 76.3 x 8.3 mmROG Phone 8 Pro is slightly smaller, potentially easier to pocket; both are relatively large phones.
Weight225g193gRedmi A3x noticeably lighter, reducing hand fatigue during extended use.
Display
Display TypeLTPO AMOLED, 1B colorsIPS LCDROG Phone 8 Pro offers superior contrast, vibrant colors, and power efficiency due to AMOLED technology.
Resolution1080 x 2400720 x 1650ROG Phone 8 Pro significantly sharper and more detailed.
Refresh Rate165Hz90HzROG Phone 8 Pro provides incredibly smooth scrolling and animations, especially noticeable in gaming.
Peak Brightness2500 nits500 nits (typical)ROG Phone 8 Pro dramatically brighter, ensuring excellent outdoor visibility.
Performance
ChipsetSnapdragon 8 Gen 3Unisoc T603ROG Phone 8 Pro vastly more powerful, enabling demanding gaming and multitasking.
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 GHzROG Phone 8 Pro's CPU architecture delivers significantly higher performance across the board.
GPUAdreno 750Mali-G57 MP1ROG Phone 8 Pro boasts a top-tier GPU, crucial for high-fidelity gaming and graphics-intensive tasks.
RAM24GB4GBMassive difference in RAM; ROG Phone 8 Pro allows for seamless multitasking and effortless app switching.
Storage1000GB128GBROG Phone 8 Pro provides ample storage for large files, apps, and games.
Battery
Capacity5500 mAh5000 mAhSimilar battery capacities, but real-world battery life will depend heavily on usage and efficiency.

2. Key Insights

The ROG Phone 8 Pro is a no-compromise flagship designed for power users and gamers. Its cutting-edge processor, stunning display, and massive RAM deliver an unparalleled mobile experience. The 165Hz refresh rate and 2500 nits peak brightness provide an exceptionally smooth and vibrant visual experience.

The Redmi A3x, on the other hand, is a budget-friendly device prioritizing affordability. It offers basic functionality for everyday tasks like calling, texting, and browsing. While it runs Android 14, its limited processing power and RAM will struggle with demanding applications or heavy multitasking.

3. User Profiles and Recommendations

ROG Phone 8 Pro: Ideal for mobile gamers, content creators, power users who demand top-tier performance, and anyone who values a premium mobile experience.

Redmi A3x: Suitable for budget-conscious users who prioritize essential functionality over high performance. This phone is best for those who primarily use their phones for calling, texting, light web browsing, and social media.

4. Buying Decision Framework

  • What is your budget? The ROG Phone 8 Pro is a premium device, while the Redmi A3x is a budget option.
  • What are your primary use cases? If gaming, content creation, or heavy multitasking are priorities, the ROG Phone 8 Pro is essential. For basic communication and light usage, the Redmi A3x might suffice.
  • How important is future-proofing? The ROG Phone 8 Pro's powerful specs will remain relevant for longer.

My Choice: Asus ROG Phone 8 Pro

As a tech journalist who often pushes devices to their limits, I would choose the Asus ROG Phone 8 Pro without hesitation. While the price difference is significant, the performance gap is even more substantial. The ROG Phone 8 Pro offers a future-proof platform for demanding tasks, gaming, and content creation. Its superior display, powerful processor, and ample RAM provide an unparalleled user experience that justifies the premium. The Redmi A3x, while a respectable budget option, simply doesn't meet my needs for performance and longevity. I value the smooth, responsive experience, the vibrant display, and the sheer power the ROG Phone 8 Pro offers. It's an investment in a device that can keep up with my workflow and provide a premium mobile experience for years to come.

Alex Griffin
Alex Griffin

Technology analyst specializing in mobile devices and consumer electronics.

Core Expertise

  • Mobile technology analysis
  • Consumer electronics evaluation
  • Technical specification interpretation
  • User experience insights

Professional Mission Empowering readers to make informed technology decisions by transforming intricate specifications into understandable, practical guidance.

Demystifying technology, one device at a time.