Asus Zenfone 9 vs Xiaomi Redmi 13C 5G - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date September 15, 2022 December 16, 2023
Release Year 2022 2023

Physical

Volume 90.79 cm³ 106.14 cm³
Screen Size to Weight Ratio 3.49 "/g 3.51 "/g
Weight 169 g 192 g
Height 146.5 mm 168 mm
Width 68.1 mm 78 mm
Thickness 9.1 mm 8.1 mm
Foldable Design No No
Available Colors
  • Midnight Black
  • Starry Blue
  • Moonlight White
  • Sunset Red
  • Starlight Black
  • Startrail Green
  • Startrail Silver

Display

Screen Size 5.9 " 6.74 "
Resolution 1080 x 2400 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 84.2 % 83.7 %
Pixel Density 445 PPI 260 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness N/A 450 nits
HBM Brightness N/A 600 nits
Peak Brightness 1100 nits N/A

Hardware

Battery Capacity per Screen Area 123.53 mAh/in² 110.07 mAh/in²
Battery Density 47.36 mAh/cm³ 47.11 mAh/cm³
Battery Capacity 4300 mAh 5000 mAh
NFC Support Yes No
Chipset Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) Mediatek Dimensity 6100+ (6 nm)
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
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C, OTG USB Type-C 2.0

Software

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

Comparison Summary

Alright, let's dive into a head-to-head comparison of the Asus Zenfone 9 and the Xiaomi Redmi 13C 5G. This isn't just about specs on paper; it's about how these phones will fit into your daily life. I'm going to break it down for you like I'm explaining it to a friend over coffee, so buckle up.

1. Specifications Breakdown

Here's a detailed look at the key differences, presented in a way that makes sense in the real world:

FeatureAsus Zenfone 9Xiaomi Redmi 13C 5GReal-World Implications
Design
Size146.5 × 68.1 × 9.1 mm168 × 78 × 8.1 mmZenfone 9 is noticeably smaller, easier to use one-handed; Redmi 13C 5G is larger and better for media consumption.
Weight169g192gZenfone 9 is lighter, more comfortable for long periods.
BuildGorilla Glass Victus screenUnknown screen protectionZenfone 9 likely more durable against scratches and drops.
Display
Size5.9"6.74"Zenfone 9 is more compact, and the Redmi is more immersive for media; both great, just different purposes.
Resolution1080x2400720x1600Zenfone 9 is sharper, with much higher pixel density, text and graphics are clearer.
Panel TechnologyAMOLEDIPS LCDZenfone 9 offers more vibrant colors, deeper blacks and better contrast. Better for viewing media.
Refresh Rate120Hz90HzZenfone 9 has smoother animations and scrolling, more responsive experience.
Brightness1100 nits0 nitsZenfone 9 is much brighter, easier to view in direct sunlight.
Performance
ChipsetSnapdragon 8+ Gen 1 (4 nm)Dimensity 6100+ (6 nm)Zenfone 9 is significantly faster, handling demanding apps and games with ease; Redmi is good for daily tasks.
Benchmark (AnTuTu)1,232,500442,000Zenfone 9 has significantly higher performance, it is a more powerful device.
GPUAdreno 730Mali-G57 MC2Zenfone 9 offers superior graphics performance, better for gaming.
Camera
Rear Camera50MP (1/1.56" Sony IMX766)50MP (1/2.76" Samsung S5KJN1)Zenfone 9 has larger sensor, captures more light; potentially better low-light shots with better detail and less noise.
Front Camera12MP (1/2.93" Sony IMX663)5MPZenfone 9 captures more detailed selfies, much better video quality.
Wide Angle Camera12MP (1/2.55" Sony IMX363)NoneZenfone 9 has a wider field of view, more versatile for landscapes and group shots.
Video RecordingUp to 8K@24fps1080p@30fpsZenfone 9 records higher-resolution videos with advanced stabilization, suited for content creation.
Video StabilisationEIS, OIS, GimbalEISZenfone 9 records stabler videos, better for recording moving objects and handheld shooting.
Battery Life
Capacity4300mAh5000mAhRedmi 13C 5G likely offers longer battery life on a single charge, great for heavy users.
Charging30W Fast Charging18W Fast ChargingZenfone 9 charges faster, quicker top-ups.
Additional FeaturesNoneReverse ChargingRedmi 13C 5G can be used to charge other devices.
Other
OSAndroid 12 (upgradable to 14)Android 13Redmi is newer so has more recent android version.
WiFiWiFi 6 (802.11ax)WiFi 5 (802.11ac)Zenfone 9 has newer standard, faster speeds, lower latency, better in crowded environments.
Bluetooth5.25.3Redmi 13C 5G has more recent bluetooth version.
GPSL1 + L5 Dual BandL1Zenfone 9 has better precision for mapping.
RAM8 GB or 16 GB4 GB or 6 GB or 8 GBZenfone 9 better multi-tasking experience.
AudioHi-Res Audio, Noise Cancellation Mic, 3 MicsStereo SpeakersZenfone 9 has far superior audio recording and playback.
Expandable StorageNoNoBoth phones don't have SD card slots.
SecuritySide Mounted FingerprintSide Mounted FingerprintBoth phones have very similar security features.
SensorsProximity, Accelerometer, Compass, GyroscopeAccelerometer, Compass, Ultrasonic Proximity VirtualZenfone 9 has extra sensors for features like AR gaming.

2. Key Insights

  • Asus Zenfone 9: The Compact Powerhouse
    • Strengths: This phone is a beast in a small package. Its flagship-level Snapdragon 8+ Gen 1 chip, combined with a vibrant AMOLED display, high refresh rate, and superior camera setup, makes it a top contender for performance-focused users. The Zenfone 9 also has better audio and more advanced sensor technology than the Redmi 13C 5G. Its compact size is a huge bonus for one-handed use.
    • Competitive Advantage: Its unparalleled performance and camera quality in a small form factor. The superior screen and performance will give a far more enjoyable user experience.
    • Trade-offs: Smaller display, lower battery capacity than the Redmi, no expandable storage, and most importantly, it's likely to be a lot more expensive.
  • Xiaomi Redmi 13C 5G: The Budget-Friendly Media Machine
    • Strengths: The Redmi 13C 5G is all about giving you the basics, done well. It has a large display, a decent battery, a solid camera system, and reverse charging. It's designed for users who want a reliable phone for everyday tasks and media consumption without breaking the bank.
    • Competitive Advantage: A big screen for immersive media, long battery life, and a significantly lower price point.
    • Trade-offs: Lower performance, less sharp display, and a less impressive camera setup compared to the Zenfone 9.

3. User Profiles and Recommendations

  • Asus Zenfone 9:
    • Best For: Power users, gamers, mobile photographers, and anyone who values a premium experience in a compact size. Great for people who love to watch high quality videos on their phone.
    • Use Cases: Mobile gaming, content creation, high-quality media consumption, fast multitasking, and users who prioritize portability.
  • Xiaomi Redmi 13C 5G:
    • Best For: Casual users, students, budget-conscious buyers, and people who want a reliable, large-screen phone for media consumption and daily tasks.
    • Use Cases: Social media, watching movies/TV shows, web browsing, daily communication, and light gaming.

4. Buying Decision Framework

Here are some key questions to help you decide:

  1. How important is performance to you?
    • If you're a heavy gamer or need a phone that can handle demanding apps, the Zenfone 9 is the better choice.
  2. What is your budget?
    • If budget is a primary concern, the Redmi 13C 5G offers a great experience for the price.
  3. Do you prefer a small, compact phone or a large screen for media?
    • For better portability, go for the Zenfone 9, but if you love watching movies or browsing the internet on a larger screen, the Redmi 13C 5G is better.

Scenario-Based Recommendations:

  • The Power User: If you need the best performance and don't mind spending extra for it, the Zenfone 9 is a no-brainer.
  • The Casual Media Consumer: If you prioritize a large display and long battery life, the Redmi 13C 5G is a good value option.
  • The Budget-Conscious User: If you're looking for a capable smartphone without breaking the bank, the Redmi 13C 5G will be suitable.
  • The Photographer/Videographer: If you value high-quality camera capabilities and video recording, the Zenfone 9 is the superior option.

My Choice

If I were choosing between these two phones for myself, I'd go with the Asus Zenfone 9, without question. The primary reason is performance. As a tech journalist I use my phone for a lot of things, from gaming to photo editing, from video recording to reading. The Zenfone 9 has everything that would benefit me in my workflow and would make it a joy to use. The compact form factor is also a huge advantage, as I prefer the smaller size that I can easily use one handed. The higher resolution screen and better colour accuracy are a must for photography and video editing.

While the Redmi 13C 5G is undoubtedly a great value phone, my needs and usage patterns align far more closely with what the Zenfone 9 offers. It’s all about choosing the tool that's right for your job!

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.