Asus Zenfone 9 vs Xiaomi Redmi Note 13 Pro 4G - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date September 15, 2022 January 15, 2024
Release Year 2022 2024

Physical

Volume 90.79 cm³ 96.66 cm³
Screen Size to Weight Ratio 3.49 "/g 3.55 "/g
Weight 169 g 188 g
Height 146.5 mm 161.1 mm
Width 68.1 mm 75 mm
Thickness 9.1 mm 8 mm
Foldable Design No No
Available Colors
  • Midnight Black
  • Starry Blue
  • Moonlight White
  • Sunset Red
  • Midnight Black
  • Forest Green
  • Lavender Purple

Display

Screen Size 5.9 " 6.67 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 84.2 % 88.9 %
Pixel Density 445 PPI 395 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A 500 nits
HBM Brightness N/A 1000 nits
Peak Brightness 1100 nits 1300 nits

Hardware

Battery Capacity per Screen Area 123.53 mAh/in² 112.39 mAh/in²
Battery Density 47.36 mAh/cm³ 51.73 mAh/cm³
Battery Capacity 4300 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) Mediatek Helio G99 Ultra
CPU Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Adreno 730 Mali-G57 MC2

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

Okay, let's dive into a detailed comparison of the Asus Zenfone 9 and the Xiaomi Redmi Note 13 Pro 4G. Buckle up, it's going to be a tech deep-dive with a focus on real-world usability.

1. Specifications Breakdown

Here's a breakdown of the key specifications, presented in a way that translates the tech jargon into practical implications:

FeatureAsus Zenfone 9Xiaomi Redmi Note 13 Pro 4GReal-World Implications
Design
Dimensions146.5 x 68.1 x 9.1 mm161.1 x 75 x 8 mmZenfone 9 is significantly smaller, making it more pocketable and comfortable for single-handed use.
Weight169g188gZenfone 9 is notably lighter, enhancing comfort during prolonged use and carrying.
Display
Size5.9"6.67"Redmi Note 13 Pro offers a larger screen, better for media consumption and multi-tasking.
Resolution1080 x 24001080 x 2400Both offer the same level of sharpness on paper but the higher pixel density of the Zenfone 9 will look slightly sharper.
PPI445395Zenfone 9’s display is sharper due to higher pixel density, resulting in more refined visuals.
TechnologyAMOLEDAMOLEDBoth have vibrant colors and deep blacks typical of AMOLED screens.
Refresh Rate120Hz120HzBoth have smooth scrolling and animations, making interactions feel responsive.
Brightness1100 nits1300 nitsRedmi Note 13 Pro is brighter, offering better visibility under direct sunlight.
Performance
ChipsetSnapdragon 8+ Gen 1Helio G99 UltraZenfone 9 offers significantly higher performance, excelling in gaming and demanding tasks.
AnTuTu Score1,232,500450,000Zenfone 9 offers significantly faster app loading, smoother multi-tasking, and a far superior gaming experience.
GPUAdreno 730Mali-G57 MC2Zenfone 9’s GPU is far more powerful for graphically intensive applications and games.
Battery Life
Capacity4300 mAh5000 mAhRedmi Note 13 Pro has a larger battery, potentially offering longer battery life.
Charging30W67WRedmi Note 13 Pro charges significantly faster, reducing downtime.
Camera
Standard Camera50MP, f/1.8, 1/1.56"200MP, f/1.65, 1/1.4"Redmi Note 13 Pro offers a higher resolution for detailed images but the larger pixels of Zenfone 9 might be better in low light.
Selfie Camera12MP, f/2.45, 1/2.93"16MP, f/2.4, 1/3.06"Redmi Note 13 Pro has a slightly higher resolution, but the Zenfone 9 has larger pixels for better light capture.
Portrait CameraN/A2MP, f/2.45, 1/5"Redmi Note 13 Pro has a dedicated portrait camera, which adds flexibility in depth-of-field shots.
Wide + Macro Camera12MP, f/2.2, 1/2.55"8MP, f/2.2, 1/2.8"Zenfone 9 has a higher resolution and larger sensor for detailed wide-angle and macro photos.
Video Recording8K@24, 4K@1201080p@60Zenfone 9 is capable of professional grade video with up to 8K resolution, while the Redmi Note 13 is limited to 1080p.
FeaturesOIS, Gimbal, RAWOIS, Night ModeZenfone 9 includes a gimbal for enhanced video stabilization and RAW capabilities for greater editing flexibility. Redmi Note has a specific Night mode to improve low light pictures.
Software
OSAndroid 12 (upgradeable to 14)Android 13 (upgradeable to 16)Redmi Note 13 Pro comes with a newer version of Android out of the box and gets updates to Android 16.
Connectivity
Wi-FiWi-Fi 6Wi-Fi 6Both offer current Wi-Fi standards for fast, reliable connections.
Bluetooth5.25.2Both feature standard Bluetooth 5.2 for efficient pairing.
GPSL1+L5L1Zenfone 9's dual band GPS is more precise in dense urban areas.
Storage
Internal128/256 GB128/256/512 GBRedmi Note 13 Pro has a 512GB option, providing more storage capacity.
RAM8/16 GB8/12 GBZenfone 9 has an option for more RAM, enabling smoother performance in heavy multi-tasking scenarios.
ExpandableNoNoNeither phone has expandable storage.
Audio
QualityHi-Res, Noise cancellation, Stereo, 3 micsDolby Atmos, Hi-Res, StereoBoth offer excellent audio, but Zenfone 9 aims for slightly higher recording quality with the mics.
Security
Featuresside-mounted fingerprintbasic fingerprint sensorZenfone 9 uses a more convenient side-mounted fingerprint sensor, while Redmi Note 13 Pro has a basic sensor.
Build Quality
ProtectionGorilla Glass VictusGorilla Glass 5Zenfone 9 has a more durable screen protection, better for drops and scratches.
Sensors
SensorsGravity, Hall, Accelerometer, Compass, GyroscopeAccelerometer, Compass, GyroscopeThe Zenfone 9 has a broader set of sensors that could enhance specific application functionality and gaming.

2. Key Insights

  • Asus Zenfone 9 Strengths:

    • Pocket Rocket Performance: The Snapdragon 8+ Gen 1 chip makes this phone a true powerhouse, significantly outperforming the Redmi Note 13 Pro in benchmarks and real-world usage.
    • Compact Design: Its smaller size makes it ideal for one-handed use and those who dislike large phones.
    • Premium Display: While slightly smaller, the higher pixel density provides a sharper and more refined visual experience.
    • Superior Camera Features: The main camera may have lower resolution, but the gimbal stabilization and 8K recording capability offer advanced video features.
    • Enhanced Audio Recording: With a dedicated noise cancellation microphone and 3 microphones this phone offers a superior audio experience for recordings and calls.
    • Robust Build Quality: Gorilla Glass Victus provides better screen protection against scratches and drops.
    • Advanced Sensors: With the inclusion of Gravity and Hall sensors the phone has a more complete suite of sensors to enable more functionality.
  • Xiaomi Redmi Note 13 Pro 4G Strengths:

    • Larger Display: Ideal for media consumption and users who prefer a larger screen.
    • Longer Battery Life: The larger battery capacity ensures extended usage time.
    • Faster Charging: 67W charging significantly reduces the time needed to recharge.
    • Higher Resolution Main Camera: The 200MP camera allows for more detailed images under ideal conditions.
    • Versatile Camera Array: With the addition of a portrait camera, this device is more versatile.
    • More Internal Storage: The 512 GB option is great for users who store a lot of media.
    • Latest Android Version: Comes with the latest Android out of the box and gets upgraded to Android 16.
  • Trade-offs and Limitations:

    • Zenfone 9: The smaller screen might not be ideal for everyone, and the battery capacity is smaller than the Redmi Note 13 Pro, which will lead to shorter battery life.
    • Redmi Note 13 Pro: The mid-range chipset is significantly less powerful than the Zenfone 9, making it unsuitable for heavy gaming or intensive tasks. The larger size is not comfortable for users that prefer a smaller phone.

3. User Profiles and Recommendations

  • Asus Zenfone 9 is Best For:

    • Power Users and Gamers: The high-performance chipset and GPU make it ideal for demanding apps and games.
    • One-Handed Operation Enthusiasts: The compact size and light weight make it great for users who value portability and easy handling.
    • Content Creators: The advanced camera features, gimbal stabilization, and 8K recording capabilities are attractive to creators.
    • Users who appreciate High Quality Audio: With the addition of the noise cancellation microphone and 3 microphones this device offers superior audio quality in calls and recordings.
  • Xiaomi Redmi Note 13 Pro 4G is Best For:

    • Media Consumers: The large, bright display is perfect for watching videos and browsing content.
    • Battery Life Enthusiasts: The larger battery capacity is best for users who prioritize long battery life.
    • Users who prefer a Larger Screen: The 6.67" display is great for users that want a larger display for media consumption and multi-tasking.
    • Photography Enthusiasts (Main Camera Focused): The higher-resolution main camera is excellent for those who prioritize image detail.
    • Budget-Conscious Users: The phone is more affordable without sacrificing key features.

4. Buying Decision Framework

Here are three practical questions to help you decide:

  1. What do you prioritize more: raw performance or battery life and screen size? If performance is key, the Zenfone 9 is the clear winner. If you want a long-lasting battery and large display, the Redmi Note 13 Pro is a better fit.
  2. Do you prefer a pocketable, one-handed device or a larger device for media consumption? The Zenfone 9 is significantly smaller and lighter, while the Redmi Note 13 Pro offers a larger display.
  3. Do you value advanced camera features and video recording options, or are you mainly interested in higher resolution images and versatile modes? The Zenfone 9 offers a gimbal for professional-looking videos, while the Redmi Note 13 Pro's portrait camera allows for flexible photography.

Scenario-Based Recommendations:

  • Gaming and Power User: Choose the Asus Zenfone 9.
  • Media Consumption and Long Battery Life: Choose the Xiaomi Redmi Note 13 Pro 4G.
  • Compact Phone User: Choose the Asus Zenfone 9.
  • Budget-Conscious User: Choose the Xiaomi Redmi Note 13 Pro 4G.
  • Content Creator: Choose the Asus Zenfone 9.

My Choice

For me, personally, I would choose the Asus Zenfone 9.

Here’s why:

As a tech journalist and smartphone analyst, I prioritize performance and innovative features. The Zenfone 9's Snapdragon 8+ Gen 1 chipset is a powerhouse that handles all tasks with ease, perfect for testing new apps and pushing the limits of mobile gaming. The compact size is a significant plus for me, as it fits comfortably in my hand and pocket. While I do appreciate a good camera, I would be more interested in the additional features of 8K recording, gimbal stabilization and RAW captures, than the higher resolution images on the Redmi.

Finally, the audio recording is a priority for me when recording audio memos, interviews or when recording videos, and the additional noise cancellation microphone and 3 microphone array give the Zenfone 9 a unique edge. I am also willing to sacrifice the extra battery life and bigger screen for the higher build quality, portability and 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.