Xiaomi Poco X3 Pro vs Asus Zenfone 8 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date March 24, 2021 May 13, 2021
Release Year 2021 2021

Physical

Volume 119.33 cm³ 90.23 cm³
Screen Size to Weight Ratio 3.1 "/g 3.49 "/g
Weight 215 g 169 g
Height 165.3 mm 148 mm
Width 76.8 mm 68.5 mm
Thickness 9.4 mm 8.9 mm
Foldable Design No No
Available Colors
  • Phantom Black
  • Frost Blue
  • Metal Bronze
  • Obsidian Black
  • Horizon Silver

Display

Screen Size 6.67 " 5.9 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 84.6 % 82.9 %
Pixel Density 395 PPI 446 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness 450 nits N/A
HBM Brightness N/A 700 nits
Peak Brightness N/A 1100 nits

Hardware

Battery Capacity per Screen Area 115.98 mAh/in² 114.91 mAh/in²
Battery Density 43.24 mAh/cm³ 44.33 mAh/cm³
Battery Capacity 5160 mAh 4000 mAh
NFC Support Yes Yes
Chipset Qualcomm Snapdragon 860 (7 nm) Qualcomm SM8350 Snapdragon 888 5G (5 nm)
CPU Octa-core (1x2.96 GHz Kryo 485 Gold & 3x2.42 GHz Kryo 485 Gold & 4x1.78 GHz Kryo 485 Silver) Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
GPU Adreno 640 Adreno 660

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 11
Maximum OS Version 12 13

Comparison Summary

Smartphone Comparison: Xiaomi Poco X3 Pro vs. Asus Zenfone 8

1. Specifications Comparison

FeatureXiaomi Poco X3 ProAsus Zenfone 8Practical Impact
Design
Dimensions165.3 × 76.8 × 9.4 mm148 × 68.5 × 8.9 mmAsus Zenfone 8 is significantly more compact, pocketable, and comfortable for one-handed use.
Weight215g169gAsus Zenfone 8 is much lighter, making it more comfortable for extended periods of use.
Display
Size6.67"5.9"Xiaomi Poco X3 Pro has a larger screen, better for media consumption, gaming, and multitasking.
Resolution1080x24001080x2400Both have the same resolution, resulting in similar level of detail.
Pixel Density395 PPI446 PPIAsus Zenfone 8 has a sharper display, with finer detail and less pixelation, especially noticeable in text.
TechnologyIPS LCDAMOLEDAsus Zenfone 8's AMOLED screen has superior contrast, deeper blacks, and more vibrant colors.
Refresh Rate120Hz120HzBoth offer smooth scrolling and animations.
Brightness0 nits1100 nitsAsus Zenfone 8 is significantly brighter, offering better visibility in direct sunlight.
Performance
ChipsetSnapdragon 860 (7 nm)Snapdragon 888 5G (5 nm)Asus Zenfone 8 provides noticeably faster app loading, smoother gaming, and more efficient performance.
AnTuTu Score627,869891,700Asus Zenfone 8 has a higher benchmark score, indicating superior performance capabilities.
GPUAdreno 640Adreno 660Asus Zenfone 8's GPU provides enhanced graphics for demanding applications and games.
Camera
Main Camera48MP, f/1.79, 1/2" sensor64MP, f/1.8, 1/1.7" sensorAsus Zenfone 8 offers higher resolution, larger sensor for better detail and low-light performance.
Selfie Camera20MP, f/2.2, 1/3.4" sensor12MP, f/2.45, 1/2.93" sensorXiaomi Poco X3 Pro has higher MP count but Asus Zenfone 8 has larger sensor for better low light.
Wide Angle Lens8MPNot AvailableXiaomi Poco X3 Pro allows for ultra-wide photos, while Asus Zenfone 8 does not offer a dedicated wide-angle lens.
Depth Lens2MPNot AvailableXiaomi Poco X3 Pro provides dedicated depth sensing for better portrait photos.
Macro Lens2MPNot AvailableXiaomi Poco X3 Pro enables close up macro photography.
Wide+MacroNot Available12MPAsus Zenfone 8 has a combination wide-angle and macro lens.
Video RecordingUp to 4K@30fpsUp to 8K@24fpsAsus Zenfone 8 has higher video recording resolution.
Camera FeaturesQuadruple cameraDual CameraXiaomi Poco X3 Pro offers a dedicated depth and macro lens whereas the Asus Zenfone 8 has a wide+macro lens.
OISNoYesAsus Zenfone 8 has optical image stabilization, resulting in smoother videos and sharper photos.
DXOMark ScoreN/A116Asus Zenfone 8 camera has a good performance rating by DXOMark
Battery
Capacity5160mAh4000mAhXiaomi Poco X3 Pro has a larger battery, likely providing longer battery life.
Charging33W30WXiaomi Poco X3 Pro offers slightly faster charging.
Software
OSAndroid 11, upgrade to 12Android 11, upgrade to 13Asus Zenfone 8 will receive longer software support.
Connectivity
Wi-FiWi-Fi 5Wi-Fi 6Asus Zenfone 8 provides faster, more stable Wi-Fi speeds.
BluetoothBluetooth 5.0Bluetooth 5.2Asus Zenfone 8 features a more modern version, offering better connectivity and battery efficiency.
GPSBasic SupportMore SatellitesAsus Zenfone 8 has more comprehensive GPS support, leading to more accurate positioning.
Storage & RAM
Storage128/256 GB128/256 GBBoth offer similar storage capacities, but neither has expandable storage.
RAM6/8 GB6/8/12/16 GBAsus Zenfone 8 offers more RAM, particularly in the higher-end variants.
Audio
Audio QualityHi-Res, StereoHi-Res, Stereo, 3 MicsAsus Zenfone 8 offers more advanced audio features such as noise cancellation and 3 microphones.
Security
FingerprintSide-mountedBasicXiaomi Poco X3 Pro has side-mounted fingerprint sensor
Build Quality
Screen ProtectionCorning Gorilla Glass 6Corning Gorilla Glass VictusAsus Zenfone 8 provides superior screen protection.

2. Key Differences Analysis

Xiaomi Poco X3 Pro Advantages:

  • Larger Display: Better for media consumption and gaming.
  • Larger Battery: Likely longer battery life for all-day use.
  • Dedicated Lenses: Offers a wide angle, macro, and depth lens
  • Side Mounted Fingerprint sensor: Some users might prefer this placement

Asus Zenfone 8 Advantages:

  • More Compact and Lighter: Easier to handle and more pocketable.
  • Superior Display: AMOLED technology with higher brightness, sharper text and more vibrant colors.
  • Faster Processor: Provides faster app loading, smoother gaming, and overall better performance.
  • Superior Camera: Higher resolution main sensor, better low light performance and video features (8k recording & OIS).
  • More RAM Options: Up to 16GB, enabling better multitasking.
  • Better connectivity: Wi-Fi 6 and Bluetooth 5.2 for more efficient connections.
  • More comprehensive GPS: Greater accuracy due to more satellite support.
  • Better software support: More likely to get future software updates
  • Better screen protection: Gorilla Glass Victus for better scratch resistance.
  • Better audio quality: Noise cancellation and 3 microphones provide clearer sound

Trade-offs:

  • The Xiaomi Poco X3 Pro trades the premium display, camera, and processing power for a lower price.
  • The Asus Zenfone 8 compromises a slightly smaller battery and larger screen for enhanced performance, camera capabilities, and a more compact design.

3. User Profiles & Recommendations

Xiaomi Poco X3 Pro Ideal User:

  • Budget-conscious users who prioritize battery life and a large screen for media consumption.
  • Users who want to play games on a larger display with a smooth 120Hz refresh rate, and don't need the top-tier chipset
  • Users who value the additional lenses of wide angle, macro and depth sensors for photo versatility.

Use Cases:

  • Daily multimedia consumption like video streaming and social media browsing.
  • Casual gaming with a large screen.
  • Users who prefer to use a physical fingerprint reader as it has side mounted fingerprint sensor

Asus Zenfone 8 Ideal User:

  • Users who prioritize performance, camera quality, and a compact design.
  • Those who desire a premium display experience with better brightness and contrast.
  • Users who need a powerful and portable device for demanding tasks, including gaming and content creation.
  • Those who value advanced connectivity and better software support for a longer use.

Use Cases:

  • Mobile gaming and professional video editing with 8k support.
  • Outdoor use in bright sunlight
  • Users looking for the best possible camera performance on mobile.

4. Decision Framework

Key Questions:

  1. Do I prioritize a large screen and battery life, or a compact size and better performance?
  2. Is a premium display and camera more important than price?
  3. Do I require the latest connectivity options and software support?

Scenario-Based Recommendations:

  • Scenario 1: Budget and Battery Life is King: If budget is your top concern and you need long battery life, the Xiaomi Poco X3 Pro is the better choice.
  • Scenario 2: Performance and Camera Above All: If you need the best possible performance and a top tier mobile camera, and prioritize a compact form factor, choose the Asus Zenfone 8.
  • Scenario 3: Balance of Features: If you need a more balanced approach with decent performance, great display and camera while retaining a relatively budget, then the Asus Zenfone 8 is better.

What I would choose and why!

If I were choosing between these two phones, I would personally pick the Asus Zenfone 8. My reasons are as follows:

  • Performance: As a power user, I appreciate the faster Snapdragon 888 chipset, which would translate to a noticeably smoother experience in daily use and while playing games.
  • Display: I watch a lot of content on my phone and the vibrant colours and higher brightness of the AMOLED display on the Asus Zenfone 8 would make it a much more pleasant experience.
  • Camera: I frequently use my phone camera for both photos and videos. The 64MP camera with OIS on the Asus Zenfone 8, plus its ability to record in 8K, makes it the superior option for my needs.
  • Compactness: I find that larger phones can be cumbersome. The Asus Zenfone 8's smaller size makes it more comfortable to hold and use for extended periods of time.

Although the Xiaomi Poco X3 Pro offers a bigger battery and display, the advantages of the Zenfone 8’s speed, camera, display and compactness are more important to me.

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.