Asus Zenfone 9 vs Xiaomi Redmi Note 13 Pro - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date September 15, 2022 September 21, 2023
Release Year 2022 2023

Physical

Volume 90.79 cm³ 95.69 cm³
Screen Size to Weight Ratio 3.49 "/g 3.57 "/g
Weight 169 g 187 g
Height 146.5 mm 161.2 mm
Width 68.1 mm 74.2 mm
Thickness 9.1 mm 8 mm
Foldable Design No No
Available Colors
  • Midnight Black
  • Starry Blue
  • Moonlight White
  • Sunset Red
  • Midnight Black
  • Arctic White
  • Olive Green
  • Aurora Purple (Coral Purple)
  • Ocean Teal
  • Scarlet Red

Display

Screen Size 5.9 " 6.67 "
Resolution 1080 x 2400 1220 x 2712
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 84.2 % 89.8 %
Pixel Density 445 PPI 446 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A 500 nits
HBM Brightness N/A 1200 nits
Peak Brightness 1100 nits 1800 nits

Hardware

Battery Capacity per Screen Area 123.53 mAh/in² 114.64 mAh/in²
Battery Density 47.36 mAh/cm³ 53.3 mAh/cm³
Battery Capacity 4300 mAh 5100 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) Qualcomm SM7435-AB Snapdragon 7s Gen 2 (4 nm)
CPU Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) Octa-core (4x2.40 GHz Cortex-A78 & 4x1.95 GHz Cortex-A55)
GPU Adreno 730 Adreno 710

Connectivity

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

Software

Operating System Android Android
Initial OS Version 12 13
Maximum OS Version 14 16

Comparison Summary

Alright, let's dive into a head-to-head comparison of the Asus Zenfone 9 and the Xiaomi Redmi Note 13 Pro. These two phones, while both aiming for the sweet spot of value and performance, take very different approaches. I’ll break down the specs, explain what they mean for you in the real world, and help you figure out which one is right for you.

1. Specifications Breakdown

Here's a detailed comparison table that goes beyond the numbers, giving you a sense of what these specs mean for your daily use:

FeatureAsus Zenfone 9Xiaomi Redmi Note 13 ProReal-World Implications
Design
Size146.5 × 68.1 × 9.1 mm161.2 × 74.2 × 8 mmZenfone 9 is much smaller and easier for one-handed use, while the Redmi Note 13 Pro has a larger footprint.
Weight169g187gZenfone 9 is noticeably lighter, making it more comfortable for long periods of use.
Display
Size5.9"6.67"Redmi Note 13 Pro offers more screen real estate for media consumption, browsing, and gaming.
Resolution1080x24001220x2712Redmi Note 13 Pro has a sharper display due to higher pixel count.
PPI445446Both have very similar pixel density, resulting in crisp visuals.
TechnologyAMOLEDAMOLEDBoth use vibrant AMOLED technology, offering deep blacks and rich colors.
Refresh Rate120Hz120HzBoth offer smooth scrolling and animations.
Brightness1100 nits1800 nitsRedmi Note 13 Pro offers superior visibility in direct sunlight.
Performance
ChipsetSnapdragon 8+ Gen 1Snapdragon 7s Gen 2Zenfone 9 has a significantly more powerful chipset, offering faster performance.
AnTuTu Score1,232,500625,845Zenfone 9 is much faster in benchmarks, indicating smoother and more responsive performance.
GPUAdreno 730Adreno 710Zenfone 9 has a more powerful GPU for better gaming and graphics performance.
Camera
Standard Camera50MP, f/1.8, 1/1.56"200MP, f/1.65, 1/1.4"Redmi Note 13 Pro has a higher resolution sensor and wider aperture for better low-light performance.
Selfie Camera12MP, f/2.45, 1/2.93"16MP, f/2.4, 1/3.06"Redmi Note 13 Pro offers a higher resolution selfie camera, while the Zenfone 9 has larger individual pixels for better low light performance.
Portrait CameraN/A2MP, f/2.4Redmi Note 13 Pro has a dedicated depth sensor for better portrait mode effects.
Wide Angle12MP, f/2.2, 1/2.55"8MP, f/2.2, 1/2.8"Zenfone 9 has a higher resolution wide angle camera.
VideoUp to 8K@24fpsUp to 4K@30fpsZenfone 9 offers higher video recording capabilities.
Battery Life
Capacity4300mAh5100mAhRedmi Note 13 Pro has a larger battery and likely offers better battery life.
Charging30W67WRedmi Note 13 Pro charges much faster.
Software
OSAndroid 12 (upgradable to 14)Android 13 (upgradable to 16)Redmi Note 13 Pro ships with a newer version of Android and has better update prospect.
Storage
Internal128GB/256GB128GB/256GB/512GBRedmi Note 13 Pro offers a larger storage option, potentially useful if you have tons of photos/videos.
RAM8GB/16GB8GB/12GB/16GBBoth offer ample RAM for multitasking; 16GB option ensures smooth running of demanding apps.

2. Key Insights

Asus Zenfone 9:

  • Strengths: The Zenfone 9 is a compact powerhouse. Its key strengths include its smaller, ergonomic form factor, making it great for one-handed use and portability, the top-tier Snapdragon 8+ Gen 1 chipset providing exceptional performance, and its advanced video recording capabilities, including up to 8K. The side-mounted fingerprint sensor and more robust connectivity features offer added user-friendly touches.
  • Competitive Advantages: Its compact size is rare in today's market, and it is a top performer due to its chipset.
  • Trade-offs: It has a smaller display and a smaller battery compared to the Redmi Note 13 Pro. Its main camera, while great, may not offer the same detail as the Redmi’s 200MP sensor.

Xiaomi Redmi Note 13 Pro:

  • Strengths: The Redmi Note 13 Pro shines with its large, bright display, larger battery capacity, and faster charging. Its 200MP main camera is a highlight, and its support for expandable storage provides flexibility for users with a lot of media.
  • Competitive Advantages: Its significantly larger battery, fast charging, higher resolution camera, and lower cost compared to Zenfone 9.
  • Trade-offs: The Redmi Note 13 Pro is bulkier than the Zenfone 9 and has a less powerful chipset. It may not offer the same level of smooth performance as the Zenfone 9 for demanding tasks or gaming.

3. User Profiles and Recommendations

Asus Zenfone 9 is ideal for:

  • Users who prioritize portability and one-handed use.
  • Performance enthusiasts who want the best processing power in a compact device.
  • Those who frequently record video and need high-end features like 8K recording and good image stabilization.
  • Users who want a more premium, top-end phone with cutting-edge connectivity options.

Xiaomi Redmi Note 13 Pro is ideal for:

  • Users who prefer larger screens for media consumption and browsing.
  • Photography enthusiasts who want a high-resolution camera with excellent detail and low-light capabilities.
  • Users who need long-lasting battery life and fast charging capabilities.
  • Users who want a good all-round experience, high value at a more affordable price point.

4. Buying Decision Framework

Here are three questions to guide your decision:

  1. How important is size and portability to you? If a compact phone is essential, the Zenfone 9 is a clear winner. If you prefer a large screen for media and content, then Redmi Note 13 Pro is a better choice.
  2. How demanding are your performance needs? If you need the absolute best performance for gaming or resource-heavy apps, the Zenfone 9’s top-tier chipset will make a significant difference. Otherwise the Redmi Note 13 Pro is good enough for the average user.
  3. What is more important - Camera detail or Battery life and fast charging? If you want a lot of detail in your photos, the Redmi is better. If you need long battery life and want fast charging, then the Redmi is better.

Scenario-Based Recommendations:

  • The Mobile Gamer/Heavy User: Choose the Asus Zenfone 9 for its superior processing power, ensuring smooth performance in graphics-intensive games and applications.
  • The On-the-Go Media Consumer: Go with the Xiaomi Redmi Note 13 Pro. Its large, high-resolution display and long battery life make it perfect for watching videos, browsing, and reading.
  • The Photography Enthusiast: Opt for the Xiaomi Redmi Note 13 Pro, which has a higher resolution main camera and better low-light performance.
  • The Casual User Who Wants a Reliable Phone: The Xiaomi Redmi Note 13 Pro is the better value for money, offering a good all-round experience.
  • The User who has to use a phone one-handed: Choose the Asus Zenfone 9 for its superior ergonomics.

My Choice

If I had to choose between these two phones, I would personally go for the Asus Zenfone 9. For me, the main draw is the compact size and the top-tier performance. As someone who often juggles multiple tasks and apps on the go, the Snapdragon 8+ Gen 1 would ensure a seamless experience, and I enjoy being able to use a phone with one hand. While the Redmi Note 13 Pro has a larger battery and screen, I don't mind a smaller screen if it comes with a much better performance.

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.