Asus Zenfone 9 vs Xiaomi Redmi Note 13 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 98.16 cm³
Screen Size to Weight Ratio 3.49 "/g 3.54 "/g
Weight 169 g 188.5 g
Height 146.5 mm 162.3 mm
Width 68.1 mm 75.6 mm
Thickness 9.1 mm 8 mm
Foldable Design No No
Available Colors
  • Midnight Black
  • Starry Blue
  • Moonlight White
  • Sunset Red
  • Midnight Black
  • Ice Blue
  • Mint Green
  • Ocean Sunset

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 % 87.5 %
Pixel Density 445 PPI 395 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness 1100 nits 1800 nits

Hardware

Battery Capacity per Screen Area 123.53 mAh/in² 112.39 mAh/in²
Battery Density 47.36 mAh/cm³ 50.94 mAh/cm³
Battery Capacity 4300 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) Qualcomm SM6225 Snapdragon 685 (6 nm)
CPU Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) Octa-core (4x2.8 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53)
GPU Adreno 730 Adreno 610

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 head-to-head comparison of the Asus Zenfone 9 and the Xiaomi Redmi Note 13 4G. I'll break down the specs, translate the tech jargon into real-world implications, and help you figure out which of these devices might be the right fit for you.

1. Specifications Breakdown

Here's a detailed table comparing the key specs, with a focus on what they mean for you:

FeatureAsus Zenfone 9Xiaomi Redmi Note 13 4GReal-World Implications
Design
Launch Date2022-09-152024-01-15The Redmi Note 13 4G is newer, benefiting from potentially more recent software improvements.
Size146.5 x 68.1 x 9.1 mm162.3 x 75.6 x 8 mmThe Zenfone 9 is significantly more compact and pocketable, while the Redmi Note 13 4G is larger and may be less comfortable for single-hand use.
Weight169g188.5gThe Zenfone 9 is lighter, making it more comfortable for extended use.
Display
Size5.9"6.67"The Redmi Note 13 4G offers a larger screen, better for media consumption and gaming. The Zenfone 9 is more convenient for one hand use.
Resolution1080x24001080x2400Both offer sharp visuals but on a different size.
Pixel Density (PPI)445395The Zenfone 9’s display will appear noticeably sharper.
TechnologyAMOLEDAMOLEDBoth offer vibrant colors and deep blacks.
Refresh Rate120Hz120HzBoth offer smooth scrolling and animations.
Brightness1100 nits1800 nitsThe Redmi Note 13 4G offers dramatically better outdoor visibility and readability under bright conditions.
Performance
ChipsetQualcomm Snapdragon 8+ Gen 1 (4nm)Qualcomm Snapdragon 685 (6nm)The Zenfone 9 provides significantly faster performance for gaming, heavy apps, and multitasking.
AnTuTu Score1,232,500338,000The Zenfone 9 is more than 3.5 times more powerful, offering a noticeably more responsive and fluid user experience, and will be future proof.
GPUAdreno 730Adreno 610The Zenfone 9 has significantly better graphics processing for gaming.
Battery Life
Capacity4300mAh5000mAhThe Redmi Note 13 4G likely offers longer battery life due to larger capacity.
Charging30W Fast Charging33W Fast ChargingBoth offer fast charging, with a slight edge to the Redmi Note 13 4G.
Camera
Standard Camera50MP, f/1.8, 1/1.56”108MP, f/1.7, 1/1.67”The Redmi Note 13 4G offers higher resolution, but the Zenfone 9 has a larger sensor and therefore better low light performance.
Front Camera12MP, f/2.45, 1/2.93”16MP, f/2.4, 1/3.06”The Redmi Note 13 4G has a higher resolution front-facing camera, but the Zenfone 9 has a larger sensor.
Additional Lenses12MP Wide Angle + Macro2MP Portrait Lens (Depth)The Zenfone 9 offers a versatile wide-angle option, while the Redmi Note 13 4G provides a dedicated depth sensor.
Video RecordingUp to 8K@24fps, 4K@120fpsUp to 1080p@30fpsThe Zenfone 9 supports professional video recording, including 8K resolution and 4K 120fps slow motion recording.
DxOMarkNot testedOverall 75 (Photo: 75, Video: 68)The Redmi Note 13 4G has been rated by DxOMark.
Camera FeaturesAdvanced options like OIS, Gimbal, RAWBasic optionsThe Zenfone 9 offers more advanced camera features, offering a wide range of flexibility.
Software
OSAndroid 12 (Upgradable to 14)Android 13 (Upgradable to 16)The Redmi Note 13 4G ships with a newer OS and promises longer software support.
Connectivity
WiFiWi-Fi 6 + Wi-Fi MIMOWi-Fi 5The Zenfone 9 uses newer WiFi technology for faster speeds and more reliable connections.
Bluetooth5.25.1The Zenfone 9 has a slightly newer Bluetooth for more efficient wireless connections, along with additional audio and connection profiles.
GPSMore systemsBasic systemsThe Zenfone 9 has far more accurate location tracking.
Storage
Internal128GB or 256GB128GB, 256GB or 512GBThe Redmi Note 13 4G offers a higher storage option.
RAM8GB or 16GB6GB or 8GBThe Zenfone 9 offers higher RAM options for better multitasking capabilities.
ExpandableNoNoNeither phone supports expandable storage.
Audio
QualityHi-Res, Noise Cancelling MicDolby AtmosThe Zenfone 9 has better audio features, with noise cancelling and Hi-Res audio, but Redmi Note 13 has Dolby Atmos.
Security
FeaturesSide-mounted fingerprintBasic fingerprint sensorThe Zenfone 9 has a more advanced side-mounted fingerprint scanner.
Build Quality
Screen ProtectionCorning Gorilla Glass VictusCorning Gorilla Glass 3The Zenfone 9 offers superior screen protection.
SensorsAdvanced sensor suiteBasic sensor suiteThe Zenfone 9 features a comprehensive sensor suite useful for advanced features and gaming.

2. Key Insights

Asus Zenfone 9:

  • Strengths: This is a performance powerhouse packed into a compact and pocketable design. The Snapdragon 8+ Gen 1 chipset combined with a high refresh rate, high pixel density display makes it a great pick for gaming and content consumption. The camera also offers impressive video capabilities, paired with a gimbal for stabilization, perfect for vloggers. Additionally the sensors suite is more comprehensive.
  • Competitive Advantages: Superior performance, excellent build quality, advanced camera features, and higher quality audio components.
  • Trade-offs: Smaller display, older software out of the box, and slightly weaker battery life.

Xiaomi Redmi Note 13 4G:

  • Strengths: This is a more affordable device that doesn’t compromise much, featuring a large and vibrant display, great for media consumption. The battery life is also significantly better.
  • Competitive Advantages: Larger screen, newer software, higher storage option, better outdoor visibility, and longer battery life at a lower price point.
  • Trade-offs: Significantly weaker performance, less advanced camera features, and a slightly lower build quality.

3. User Profiles and Recommendations

Asus Zenfone 9 is Ideal for:

  • Power Users: Individuals who prioritize performance, smooth multitasking, and high-end gaming.
  • Content Creators: Users who need excellent video recording capabilities and reliable stabilization.
  • Those seeking a Compact Phone: People who value a small, pocketable device that doesn't compromise on power.
  • Audiophiles: People who value Hi-Res Audio and quality audio components.

Xiaomi Redmi Note 13 4G is Ideal for:

  • Budget-Conscious Buyers: Users seeking a reliable phone with a great display and long battery life without breaking the bank.
  • Media Consumers: Those who watch a lot of videos, browse social media, and want a large screen.
  • Everyday Users: People who need a dependable device for basic tasks without demanding performance.
  • Users who prioritize display brightness: People who need good outdoor visibility in bright sunlight.

4. Buying Decision Framework

Here are three key questions to consider:

  1. How much do I value top-tier performance? If you need the absolute best gaming, multi-tasking, and fast application loading experience, the Zenfone 9 is the clear choice. However, if you just need a reliable phone for everyday usage, the Note 13 4G will be more than sufficient.
  2. Is screen size and outdoor visibility more important than portability and screen sharpness? The Redmi Note 13 4G provides a larger screen that's great for media consumption and is more visible outdoors. The Zenfone 9, on the other hand, has the advantage of higher PPI, making it much sharper, paired with it being smaller and more portable.
  3. Do I need advanced camera features or longer battery life? If you plan to do a lot of creative video work or require a versatile camera, the Zenfone 9 offers a more advanced package. The Redmi Note 13 4G is the preferred choice if you're looking for longer lasting battery life.

Scenario-Based Recommendations:

  • The Gamer/Power User: If you're a hardcore gamer or power user and money is not the object, the Asus Zenfone 9 is the way to go. Its performance is unmatched and it offers unique features in a very compact body.
  • The Casual User: The Xiaomi Redmi Note 13 4G is the better pick for those on a budget, providing a more than adequate screen size, and long lasting battery life.
  • The Creative Professional: If you prioritize the best video recording quality and want all the advanced camera features, the Asus Zenfone 9 is the preferred choice.
  • The Outdoor Enthusiast: If you are often out in bright sunlight and need your phone display to be clearly visible, the Redmi Note 13 4G is the better option.

My Choice

For me personally, I'd choose the Asus Zenfone 9. I value the combination of raw power in such a compact form factor. I often find myself on the go, and the smaller device coupled with the best performance offered makes it the clear choice. The superior camera capabilities with 4K/120fps and 8K recording is also very appealing. I'm not too bothered by the smaller screen size as I have other devices I use for media consumption and the slightly weaker battery is not a deal breaker for me due to its fast charging capabilities. The Zenfone 9's strengths align directly with what I prioritize in a phone, making it the more suitable choice despite the higher price tag.

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.