Xiaomi Redmi 9C vs Asus ROG Phone 8 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date August 12, 2020 January 18, 2024
Release Year 2020 2024

Physical

Volume 114.28 cm³ 111.96 cm³
Screen Size to Weight Ratio 3.33 "/g 3.01 "/g
Weight 196 g 225 g
Height 164.9 mm 163.8 mm
Width 77 mm 76.8 mm
Thickness 9 mm 8.9 mm
Foldable Design No No
Available Colors
  • Midnight Gray
  • Sunrise Orange
  • Twilight Blue
  • Phantom Black
  • Rebel Grey

Display

Screen Size 6.53 " 6.78 "
Resolution 720 x 1600 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 81.1 % 88.2 %
Pixel Density 269 PPI 388 PPI
Refresh Rate N/A 165 Hz
Typical Brightness 400 nits N/A
HBM Brightness N/A 1600 nits
Peak Brightness N/A 2500 nits

Hardware

Battery Capacity per Screen Area 117.26 mAh/in² 119.65 mAh/in²
Battery Density 43.75 mAh/cm³ 49.12 mAh/cm³
Battery Capacity 5000 mAh 5500 mAh
NFC Support No Yes
Chipset Mediatek MT6765G Helio G35 (12 nm) Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)
CPU Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)
GPU PowerVR GE8320 Adreno 750

Connectivity

USB Version 2.0 N/A
OTG Support 1 1
DisplayPort 1
DisplayPort Version N/A 1.4
USB Features microUSB 2.0, OTG USB Type-C, OTG, DisplayPort 1.4, Bottom Port

Software

Operating System Android Android
Initial OS Version 10 14
Maximum OS Version 16

Comparison Summary

1. Specifications Comparison

Here's a detailed comparison of the Xiaomi Redmi 9C and the Asus ROG Phone 8:

FeatureXiaomi Redmi 9CAsus ROG Phone 8Practical Impact
Design
Dimensions164.9 × 77 × 9 mm163.8 × 76.8 × 8.9 mmNegligible size difference. ROG Phone 8 slightly more compact.
Weight196g225gRedmi 9C is lighter, potentially more comfortable for extended use.
Build Quality (Screen Protection)UnknownCorning Gorilla Glass Victus 2ROG Phone 8 screen is significantly more resistant to scratches and drops.
Display
Size6.53"6.78"ROG Phone 8 has a slightly larger screen for more immersive viewing.
Resolution720x16001080x2400ROG Phone 8 has a much sharper and clearer display.
PPI269388Text and images on the ROG Phone 8 will appear significantly crisper.
TechnologyIPS LCDAMOLEDROG Phone 8 offers better contrast, deeper blacks, and more vibrant colors.
Refresh Rate60Hz165HzROG Phone 8 provides much smoother scrolling, animations, and gaming experience.
Brightness0 nits2500 nitsROG Phone 8 is dramatically more visible in bright sunlight.
Performance
ChipsetMediatek MT6765G Helio G35 (12 nm)Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)ROG Phone 8 is significantly faster and more responsive, handling demanding apps and games with ease.
AnTuTu Score110,4902,020,000ROG Phone 8 offers vastly superior performance for all tasks.
GPUPowerVR GE8320Adreno 750ROG Phone 8 has a much more powerful GPU, enabling high-end gaming at smooth frame rates.
RAM2 GB / 3 GB / 4 GB12 GB / 16 GBROG Phone 8 handles multitasking much better and can keep more apps open in the background.
Camera
Main Camera13MP, f/2.250MP, f/1.9, 1/1.56" Sony IMX890, 1.00 µm pixel sizeROG Phone 8 captures much more detailed and higher quality photos, especially in low light.
Selfie Camera5MP, f/2.232MPROG Phone 8 takes significantly sharper and clearer selfies.
Portrait Mode2MP depth sensorNoneRedmi 9C has a dedicated depth sensor for portrait mode, the ROG phone lacks it.
Macro Lens2MP, f/2.45MP, f/2.4ROG Phone 8 captures higher resolution macro shots.
Wide Angle + Macro LensNone13MP, f/2.2ROG Phone 8 offers more versatile photography options.
Video Recording1080p@30fps8K@24fps, 4K@60fps, 1080p@240fps, 720p@480fpsROG Phone 8 can record much higher resolution and frame rate videos, with better stabilization.
Camera FeaturesBasic featuresAdvanced features like OIS, Gimbal, Laser Autofocus, Night ModeROG Phone 8 offers a much more comprehensive and advanced camera experience.
Battery
Capacity5000mAh5500mAhROG Phone 8 has a slightly larger battery, potentially offering longer battery life.
Charging10W65WROG Phone 8 charges much faster, significantly reducing charging time.
Battery TypeLi-IonLi-PolymerLi-Polymer batteries generally have a longer lifespan and are safer.
Software
OSAndroid 10Android 14 (upgradeable to 16)ROG Phone 8 offers a much more modern and feature-rich operating system with longer support.
Connectivity
Wi-Fi802.11b/g/n802.11a/b/g/n/ac/ax/be (Wi-Fi 7)ROG Phone 8 supports the latest Wi-Fi standards for faster and more reliable connections.
Bluetooth5.05.3ROG Phone 8 has a newer Bluetooth version with improved efficiency and features.
GPSGPS, A-GPS, GLONASS, BeidouA-GPS, GLONASS, Beidou, QZSS, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), NavIC System, QZSS (L1 + L5)ROG Phone 8 has more advanced and accurate GPS capabilities.
Storage
Internal32 GB / 64 GB / 128 GB256 GBROG Phone 8 offers significantly more internal storage.
ExpandableNoNoNeither phone supports expandable storage.
Audio
QualityBasic audio featuresDTS / DTS X, Stereo Speakers, 3 microphonesROG Phone 8 offers superior audio quality with enhanced surround sound.
Security
Fingerprint SensorRear-mountedIn-displayBoth offer basic fingerprint security.
Sensors
SensorsAccelerometer, Magnetometer, Ultrasonic proximity virtual, FingerprintAccelerometer, Compass, Gyroscope, Proximity, FingerprintROG Phone 8 has Proximity, Compass, Gyroscope, better sensors.

2. Key Differences Analysis

Xiaomi Redmi 9C Advantages:

  • Lighter Weight: Easier to hold for extended periods.
  • Portrait Mode (Depth) Camera: Has a dedicated depth sensor, the ROG phone lacks this feature.
  • Price: Significantly more affordable.

Practical Implications:

  • The Redmi 9C is more comfortable for basic tasks and casual use due to its lighter weight.
  • The lower price makes it accessible to budget-conscious users.

Asus ROG Phone 8 Advantages:

  • Superior Display: Higher resolution, AMOLED technology, and a much higher refresh rate provide a vastly better viewing experience.
  • Significantly Higher Performance: The Snapdragon 8 Gen 3 chipset offers exceptional speed and responsiveness.
  • Advanced Camera System: Higher resolution sensors, better video recording capabilities, and more features for versatile photography.
  • Larger Battery with Fast Charging: Longer battery life and much faster charging times.
  • Modern Software: Runs on a more recent version of Android with future update potential.
  • Better Connectivity: Supports the latest Wi-Fi and Bluetooth standards.
  • More Storage and RAM: Provides ample space for apps, games, and files, and ensures smooth multitasking.
  • Premium Build Quality: Corning Gorilla Glass Victus 2 offers superior screen protection.
  • Superior Audio: Better Audio Quality thanks to DTS/DTS X, Stereo Speakers and 3 Microphones

Practical Implications:

  • The ROG Phone 8 delivers a premium user experience with smooth performance, stunning visuals, and advanced features.
  • It's ideal for gaming, content creation, and users who demand the best possible performance.

Significant Trade-offs:

  • Price: The ROG Phone 8 is significantly more expensive than the Redmi 9C.
  • Weight: The ROG Phone 8 is heavier, which might be a concern for some users.
  • Portrait Mode (Depth) Camera: ROG Phone 8 lacks this feature.

3. User Profiles & Recommendations

Xiaomi Redmi 9C:

  • Ideal User: Budget-conscious users, first-time smartphone buyers, or those who need a basic phone for essential tasks.
  • Use Cases:
    • Making calls and sending messages.
    • Browsing the internet and social media.
    • Basic photography and video recording.

Asus ROG Phone 8:

  • Ideal User: Gamers, content creators, power users, and anyone who wants the best possible smartphone experience.
  • Use Cases:
    • High-end mobile gaming with smooth frame rates and responsive controls.
    • Shooting high-quality photos and videos.
    • Demanding multitasking and running resource-intensive applications.
    • Enjoying immersive multimedia content with a vibrant display and excellent audio.

Price-to-Value Ratio:

  • Xiaomi Redmi 9C: Offers good value for basic smartphone functionality at a very affordable price.
  • Asus ROG Phone 8: Justifies its higher price with its exceptional performance, advanced features, and premium user experience.

4. Decision Framework

Here are three key questions for buyers to consider:

  1. What is your budget? If you have a limited budget, the Xiaomi Redmi 9C is the more sensible choice.
  2. What are your primary use cases? If you primarily need a phone for basic communication and light usage, the Redmi 9C is sufficient. If you plan to game, create content, or run demanding apps, the ROG Phone 8 is worth the investment.
  3. How important is performance and display quality? If you value a smooth, responsive experience and a visually stunning display, the ROG Phone 8 is the clear winner.

Scenario-Based Recommendations:

  • Scenario 1: Student on a tight budget: Choose the Xiaomi Redmi 9C. It covers basic needs at a low cost.
  • Scenario 2: Mobile gamer who wants the best performance: Choose the Asus ROG Phone 8. Its gaming-centric features and powerful hardware provide an unmatched gaming experience.
  • Scenario 3: Content creator who needs a versatile camera and fast performance: Choose the Asus ROG Phone 8. It offers advanced camera features, high-resolution video recording, and the processing power to handle demanding editing tasks.

My Choice

If I were choosing between these two phones, I would pick the Asus ROG Phone 8. The massive difference in performance, display quality, and camera capabilities would make it worth the extra cost. As someone who values smooth multitasking, enjoys mobile gaming, and appreciates high-quality photography, the ROG Phone 8 offers a significantly better user experience overall. While the Redmi 9C is a decent budget phone, the ROG Phone 8 is a flagship device that can handle almost anything I throw at it. Also, superior audio thanks to DTS/DTS X, Stereo Speakers and 3 Microphones and better screen protection with Corning Gorilla Glass Victus 2 seals the deal.

Emily Harper
Emily Harper

Technology Insights Specialist

Dedicated technology writer specializing in mobile device analysis and technology communication. Expert at translating complex smartphone features into clear, actionable insights for diverse audiences.

Key Strengths:

  • Mobile technology analysis
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Bridging technical complexity with engaging, accessible narratives.