Asus Zenfone 9 vs HTC U23 Pro - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date September 15, 2022 May 18, 2023
Release Year 2022 2023

Physical

Volume 90.79 cm³ 114.32 cm³
Screen Size to Weight Ratio 3.49 "/g 3.27 "/g
Weight 169 g 205 g
Height 146.5 mm 166.6 mm
Width 68.1 mm 77.1 mm
Thickness 9.1 mm 8.9 mm
Foldable Design No No
Available Colors
  • Midnight Black
  • Starry Blue
  • Moonlight White
  • Sunset Red
  • Snow White
  • Coffee Black

Display

Screen Size 5.9 " 6.7 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 84.2 % 84.4 %
Pixel Density 445 PPI 393 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness 1100 nits N/A

Hardware

Battery Capacity per Screen Area 123.53 mAh/in² 102.47 mAh/in²
Battery Density 47.36 mAh/cm³ 40.24 mAh/cm³
Battery Capacity 4300 mAh 4600 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
CPU Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU Adreno 730 Adreno 644

Connectivity

USB Version N/A 3.0
OTG Support 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C, OTG USB Type-C 3.0

Software

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

Comparison Summary

Alright, let's dive into a detailed comparison of the Asus Zenfone 9 and the HTC U23 Pro. I'm excited to break down these specs and see how they translate into real-world experiences for you.

1. Specifications Breakdown

FeatureAsus Zenfone 9HTC U23 ProReal-World Implications
Design
Launch Date2022-09-152023-05-18HTC U23 Pro is a newer model by about 8 months. This may mean better software support and newer technologies
Dimensions146.5 × 68.1 × 9.1 mm166.6 × 77.1 × 8.9 mmZenfone 9 is significantly smaller and easier to handle, while U23 Pro offers a larger screen but is less pocketable.
Weight169g205gZenfone 9 is much lighter, making it more comfortable for one-handed use.
Display
Size5.9"6.7"U23 Pro has a significantly larger screen, better for media consumption and multitasking. Zenfone 9 is better for portability.
Resolution1080x24001080x2400Both offer a sharp, clear image at Full HD+.
Pixel Density445 PPI393 PPIZenfone 9 has a sharper display with more detail.
TechnologyAMOLEDOLEDBoth use high-quality display technology for vibrant colors and deep blacks.
Refresh Rate120Hz120HzBoth offer smooth scrolling and animations.
Brightness1100 nits0 nitsZenfone 9 is much brighter and more visible in direct sunlight.
Performance
ChipsetSnapdragon 8+ Gen 1 (4nm)Snapdragon 7 Gen 1 (4nm)Zenfone 9 has a flagship-level chipset for significantly better performance, faster app loading, and smoother gaming.
Antutu Score1,232,500699,600Zenfone 9 offers significantly better performance, especially for resource-intensive tasks.
GPUAdreno 730Adreno 644Zenfone 9 offers substantially better graphics performance, ideal for gaming.
Camera
Rear (Main)50MP f/1.8 (Sony IMX766)108MP f/1.7U23 Pro has higher resolution for more detailed photos, especially when cropping or printing. Zenfone 9 has a superior sensor for image quality.
Rear (Wide Angle + Macro)12MP f/2.2 (Sony IMX363)NoneZenfone 9 offers a single lens for ultra-wide shots and macro shots using the same lens.
Rear (Wide Angle)None8MP f/2.4U23 Pro has a dedicated lens for ultra-wide shots.
Rear (Depth)None5MP f/2.2U23 Pro has a dedicated lens for portrait mode.
Rear (Macro)None2MP f/2.4U23 Pro has a dedicated lens for macro shots.
Front Camera12MP f/2.45 (Sony IMX663)32MP f/2.45U23 Pro has a higher resolution for selfies. Zenfone 9 has a good sensor for selfie quality.
Video RecordingUp to 8K@24fpsUp to 4K@30fpsZenfone 9 offers higher resolution video capture for professional video needs. Both have EIS for smooth footage.
Camera FeaturesGimbal OIS, RAW, 8K video, Dual Camera, Continuous AutofocusQuadruple Camera, OISZenfone 9 has more advanced video stabilization options and features for enthusiast photographers. HTC U23 has more lenses for versatile picture taking
Battery Life
Capacity4300mAh4600mAhU23 Pro has a slightly larger battery, which could translate to slightly longer battery life.
Charging30W Fast Charging30W Fast ChargingBoth have similar fast charging capabilities.
Wireless ChargingNo15WU23 Pro offers the convenience of wireless charging and reverse wireless charging.
Software
OSAndroid 12 (upgradable to 14)Android 13U23 Pro ships with a newer version of Android out of the box. Zenfone 9 can be upgraded to a newer version
Connectivity
WiFiWiFi 6, MiMOWiFi 6Zenfone 9 has slightly better connectivity with MiMO support.
Bluetooth5.2 (AptX, LDAC)5.2 (A2DP)Zenfone 9 offers more advanced audio codecs for superior Bluetooth audio.
GPSMore systemsBasic GPSZenfone 9 has a more accurate GPS for better navigation and location-based services.
SIMDual SIMDual SIMBoth support two SIM cards.
Storage
Internal Storage128GB/256GB256GBU23 Pro offers only one storage option. The Zenfone 9 offers choice in storage.
RAM8GB/16GB8GB/12GBZenfone 9 offers up to 16GB of RAM for superior multitasking capabilities.
Expandable StorageNoNoNeither phone offers expandable storage.
Audio
QualityHi-Res, Stereo Speakers, 3 MicsBasicZenfone 9 has significantly better audio quality, ideal for media enthusiasts and gamers.
Security
BiometricSide-mounted fingerprintSide-mounted fingerprintBoth offer quick and reliable fingerprint authentication.
Build Quality
Screen ProtectionGorilla Glass VictusGorilla Glass VictusBoth have similar screen protection technology for durability.
Sensors
SensorsHall, Proximity, Accelerometer, Compass, GyroscopeProximity, Accelerometer, Compass, GyroscopeZenfone 9 has more sensors for comprehensive functionality.

2. Key Insights

  • Asus Zenfone 9 Strengths:

    • Raw Power: The Snapdragon 8+ Gen 1 chipset provides top-tier performance, making it ideal for gaming and demanding apps.
    • Compact Design: It's significantly smaller and lighter, making it easier to handle and carry.
    • Superior Display: The display is sharper and brighter.
    • Advanced Camera Features: It features gimbal OIS, 8K video, and RAW capture for video and photography enthusiasts.
    • Premium Audio: High-Res Audio, stereo speakers, and noise-canceling mics for a better audio experience.
  • HTC U23 Pro Strengths:

    • Larger Display: Offers a bigger screen for a more immersive experience.
    • Bigger Battery: Has a slightly larger battery.
    • Wireless Charging: Supports 15W wireless charging and reverse wireless charging.
    • Versatile Camera System: Equipped with a Quadruple camera system with a dedicated wide angle, macro and depth sensor.
    • Newer Software: Ships with a newer version of Android
  • Trade-offs:

    • The Zenfone 9 sacrifices screen size for compactness and top-tier performance.
    • The HTC U23 Pro, while having a larger display, has a weaker chipset and less advanced camera features.
    • Neither phone has expandable storage, which can be a limiting factor for users who have large media libraries.

3. User Profiles and Recommendations

  • Asus Zenfone 9:

    • Gamers: The superior performance, GPU, and audio features make it excellent for mobile gaming.
    • Content Creators: The advanced camera features with 8K video and RAW support appeal to creators.
    • Users Seeking Portability: Its compact size and lightweight design make it ideal for one-handed use.
    • Tech Enthusiasts: Those who desire top performance in a smaller package will appreciate it.
  • HTC U23 Pro:

    • Multimedia Consumers: The larger screen makes it ideal for watching videos and browsing the web.
    • Users Who Prefer Wireless Charging: The convenience of wireless charging and reverse charging is a major plus.
    • Casual Photographers: The multi-lens camera system provides more versatility in daily photography.
    • Android Enthusiasts: Users who want a new Android experience out of the box.

4. Buying Decision Framework

Here are three questions to help you decide:

  1. Do you prioritize performance and portability or a larger screen and wireless charging?
    • If performance and compact design are key, the Zenfone 9 is the best bet.
    • If you prefer a larger screen, wireless charging, and better battery, choose the U23 Pro.
  2. How important are advanced camera features and audio quality to you?
    • If you need advanced video recording capabilities and superior audio, go with the Zenfone 9.
    • If you prefer the versatility of multi lens system the U23 Pro is more suitable
  3. What is more important to you: latest Android version or the possibility to upgrade?
    • If you want the latest Android version out of the box, the U23 Pro is the best choice *If you want to have the latest Android version but it can wait, the Zenfone 9 is the best choice

Scenario-Based Recommendations:

  • For the Gamer: The Asus Zenfone 9's superior chipset and audio make it a clear choice.
  • For the Casual User: The HTC U23 Pro, with its larger screen and wireless charging, offers more convenience.
  • For the Photographer/Videographer: The Zenfone 9 has better features for enthusiasts, while the U23 Pro is suitable for everyday photography.

My Choice:

If I were choosing between these two, I'd lean towards the Asus Zenfone 9. As someone who values raw performance and a compact, easy-to-handle device, the Zenfone 9 aligns better with my needs. I appreciate the power of the Snapdragon 8+ Gen 1 for gaming, the sharper and brighter screen, and the better audio for media consumption. While the HTC U23 Pro's larger screen and wireless charging are tempting, the overall performance difference is too significant for me to ignore. I also like the more advanced camera features on the Zenfone 9. The Zenfone 9 is a powerhouse packed into a small form factor, which, to me, is more appealing than the U23 Pro's larger but less powerful design.

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.