Asus Zenfone 8 vs Xiaomi Redmi Note 12 4G - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date May 13, 2021 March 30, 2023
Release Year 2021 2023

Physical

Volume 90.23 cm³ 99.49 cm³
Screen Size to Weight Ratio 3.49 "/g 3.63 "/g
Weight 169 g 183.5 g
Height 148 mm 165.7 mm
Width 68.5 mm 76 mm
Thickness 8.9 mm 7.9 mm
Foldable Design No No
Available Colors
  • Obsidian Black
  • Horizon Silver
  • Ice Blue
  • Mint Green
  • Onyx Gray

Display

Screen Size 5.9 " 6.67 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 82.9 % 85.3 %
Pixel Density 446 PPI 395 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A 450 nits
HBM Brightness 700 nits 700 nits
Peak Brightness 1100 nits 1200 nits

Hardware

Battery Capacity per Screen Area 114.91 mAh/in² 112.39 mAh/in²
Battery Density 44.33 mAh/cm³ 50.26 mAh/cm³
Battery Capacity 4000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Qualcomm SM6225 Snapdragon 685 (6 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) Octa-core (4x2.8 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53)
GPU Adreno 660 Adreno 610

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 13
Maximum OS Version 13 14

Comparison Summary

1. Specifications Comparison

Design

FeatureAsus Zenfone 8Xiaomi Redmi Note 12 4GPractical Impact
Dimensions148 × 68.5 × 8.9 mm165.7 × 76 × 7.9 mmZenfone 8 is significantly more compact and easier to use one-handed; Redmi Note 12 is larger, offering more screen real estate.
Weight169g183.5gZenfone 8 is lighter, making it more comfortable for extended use.
BuildStandardStandardBoth are standard smartphones, not foldable.

Display

FeatureAsus Zenfone 8Xiaomi Redmi Note 12 4GPractical Impact
Size5.9"6.67"Redmi Note 12 offers a larger viewing area for media consumption and multitasking, Zenfone 8 is more pocketable.
Resolution1080x24001080x2400Both have the same clarity but with different sizes.
PPI446395Zenfone 8 has a noticeably sharper display due to higher pixel density, resulting in crisper text and images.
TechnologyAMOLEDAMOLEDBoth offer vibrant colors, deep blacks and good contrast
Refresh Rate120Hz120HzBoth provide a smooth scrolling and gaming experience.
Brightness1100 nits1200 nitsRedmi Note 12 has slightly better outdoor visibility in direct sunlight.

Performance

FeatureAsus Zenfone 8Xiaomi Redmi Note 12 4GPractical Impact
ChipsetQualcomm Snapdragon 888 (5 nm)Qualcomm Snapdragon 685 (6 nm)Zenfone 8's flagship chipset offers significantly faster performance for demanding tasks, gaming, and overall responsiveness.
AnTuTu Score891,700338,900Zenfone 8 provides a much smoother and faster user experience for all tasks; Redmi Note 12 is suitable for basic daily use.
GPUAdreno 660Adreno 610Zenfone 8 has a much more powerful GPU, better for gaming and graphic intensive applications

Camera

FeatureAsus Zenfone 8Xiaomi Redmi Note 12 4GPractical Impact
Main Camera64MP, f/1.8, 1/1.7"50MP, f/1.8, 1/2.76"Zenfone 8's larger sensor captures more light, resulting in better low-light photos; higher resolution for more detail.
Selfie Camera12MP, f/2.45, 1/2.93"13MP, f/2.45Slightly higher resolution in Redmi Note 12, but Zenfone 8 provides better dynamic range.
Wide Angle Lens12MP, f/2.2, 1/2.55"8MP, f/2.2, 1/4"Zenfone 8 has a dedicated wide-angle lens with higher resolution which has better quality, the Redmi Note 12 wide angle is a secondary lens, not main.
Macro LensN/A2MP, f/2.4Redmi Note 12 offers a dedicated macro lens for close-up shots.
VideoUp to 8K@24fpsUp to 1080p@30fpsZenfone 8 offers significantly higher video recording capabilities, making it better for professional use.
DxOMark Mobile Score11663Zenfone 8 has much better image quality, especially in video.
Camera Features4K/8K Video, OIS, RAW, PDAF, PanoramaDigital zoom, HDRZenfone 8 has more advanced features, better for photography enthusiasts.

Battery

FeatureAsus Zenfone 8Xiaomi Redmi Note 12 4GPractical Impact
Capacity4000mAh5000mAhRedmi Note 12 has a larger battery, potentially offering longer battery life.
Charging30W33WRedmi Note 12 has slightly faster charging.
FeaturesNon-removableReverse charging, Non-removableRedmi Note 12 can act as a power bank for other devices.

2. Key Differences Analysis

Asus Zenfone 8 Advantages:

  • Superior Performance: The Snapdragon 888 provides flagship-level performance, ideal for gaming, multitasking, and demanding apps.
  • Higher-Quality Display: Sharper display with higher pixel density is better for reading, viewing high-resolution images, and videos.
  • Better Camera System: Higher resolution, larger sensor, optical image stabilization, and more video features result in much better photos and videos.
  • Premium Audio Features: Hi-Res Audio and stereo speakers give a better multimedia experience.
  • Compact Design: Easier to handle and carry due to its smaller size and lighter weight.
  • More Advanced Sensors: Gravity, Hall sensors additionally feature for gaming and other applications.
  • Superior Screen Protection: Corning Gorilla Glass Victus offers better scratch and drop resistance.
  • Better Wifi and Bluetooth: Faster and more reliable wireless connectivity

Xiaomi Redmi Note 12 4G Advantages:

  • Larger Display: Offers a bigger screen for media consumption and multitasking.
  • Longer Battery Life: Larger battery capacity provides longer usage time.
  • Slightly Faster Charging: Quicker charging time.
  • Reverse Charging: Can be used to charge other devices.
  • Dedicated Macro Lens: Provides more versatility in photography.
  • Newer Android OS: Comes with Android 13 (upgradable to 14), providing access to latest software updates and features.
  • Side-Mounted Fingerprint Sensor: More convenient and faster unlock experience.

Trade-offs:

  • Zenfone 8: Smaller screen, shorter battery life, higher price.
  • Redmi Note 12 4G: Significantly lower performance, inferior camera, and basic audio.

3. User Profiles & Recommendations

Asus Zenfone 8 Ideal Users:

  • Gamers: The flagship processor and GPU, combined with high refresh rate screen provide a superior mobile gaming experience.
  • Photography/Videography Enthusiasts: The superior main camera with OIS, high video recording quality up to 8K, and advanced features make this ideal for anyone serious about mobile photography/videography.
  • Power Users: Individuals who need a fast and responsive phone for multitasking, productivity, and demanding apps.
  • Users who value compact phones: Those who prefer one-handed operation and pocketability will appreciate this phone.
  • Multimedia Consumers: Users who want higher-quality audio experience will enjoy the hi-res audio and stereo speakers.

Xiaomi Redmi Note 12 4G Ideal Users:

  • Casual users: Individuals who want a basic, reliable phone for everyday tasks.
  • Media consumers: Users who primarily watch videos or browse the web will enjoy the bigger screen.
  • Battery life focused users: Users who value a long battery life, for full day use without needing to recharge.
  • Budget-conscious consumers: Those looking for an affordable phone with basic features.
  • Users who appreciate a large screen: The bigger screen is suited for users who like content consumption and larger viewing experience

4. Decision Framework

Key Questions:

  1. What is my primary use case? (Gaming/photography vs. media consumption/basic use)
  2. How important is performance? (Do I need a fast phone, or is basic performance adequate?)
  3. How important is battery life versus compactness? (Do I value long battery life or a smaller phone size?)

Scenario-Based Recommendations:

  • Scenario 1: High Performance and Premium Camera: If you prioritize top-tier performance and a better camera, the Asus Zenfone 8 is the clear winner.
  • Scenario 2: Budget and Long Battery Life: If battery life and affordability are more important, the Xiaomi Redmi Note 12 4G is the better option.
  • Scenario 3: Balanced Usage: If you need a good all-rounder, consider the Redmi Note 12 4G if you're on a budget, but the Zenfone 8 if you are willing to pay for a premium experience.

My Choice

If I were choosing between these two phones, I would pick the Asus Zenfone 8. While the Redmi Note 12 4G has the benefit of a bigger screen, better battery life and a slightly more recent Android version, the significant performance boost, far superior camera, higher quality audio, sharper display and more compact size of the Zenfone 8 makes it a much more compelling option for my usage. As a mobile photographer, the Zenfone 8's camera system alone is a big draw, and the difference in processing power is also significant. The premium features and flagship chipset of the Zenfone 8 simply make it a more appealing, and more capable device for my needs.

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.