Asus Zenfone 9 vs Samsung Galaxy S23+ - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date September 15, 2022 February 17, 2023
Release Year 2022 2023

Physical

Volume 90.79 cm³ 91.39 cm³
Screen Size to Weight Ratio 3.49 "/g 3.37 "/g
Weight 169 g 196 g
Height 146.5 mm 157.8 mm
Width 68.1 mm 76.2 mm
Thickness 9.1 mm 7.6 mm
Foldable Design No No
Available Colors
  • Midnight Black
  • Starry Blue
  • Moonlight White
  • Sunset Red
  • Green
  • Graphite
  • Phantom Black
  • Lavender
  • Cream
  • Lime

Display

Screen Size 5.9 " 6.6 "
Resolution 1080 x 2400 1080 x 2340
Aspect Ratio 20:9 19.5:9
Screen-to-Body Ratio 84.2 % 88.9 %
Pixel Density 445 PPI 393 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 1200 nits
Peak Brightness 1100 nits 1750 nits

Hardware

Battery Capacity per Screen Area 123.53 mAh/in² 107.90 mAh/in²
Battery Density 47.36 mAh/cm³ 51.43 mAh/cm³
Battery Capacity 4300 mAh 4700 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm)
CPU Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) Octa-core (1x3.36 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510)
GPU Adreno 730 Adreno 740

Connectivity

USB Version N/A 3.2
OTG Support 1 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C, OTG USB Type-C 3.2, OTG

Software

Operating System Android Android
Initial OS Version 12 13
Maximum OS Version 14 17

Comparison Summary

Okay, let's dive into a detailed comparison of the Asus Zenfone 9 and the Samsung Galaxy S23+. It's a classic David vs. Goliath matchup in the smartphone world, so let's see how they stack up.

1. Specifications Breakdown

Here's a breakdown of the key technical specifications, along with a look at what they mean in real-world scenarios:

FeatureAsus Zenfone 9Samsung Galaxy S23+Real-World Implications
Design
Size146.5 × 68.1 × 9.1 mm157.8 × 76.2 × 7.6 mmZenfone 9 is significantly more compact and pocketable, while the S23+ has a larger footprint.
Weight169g196gZenfone 9 is lighter and more comfortable for one-handed use, the S23+ feels more substantial.
BuildStandardStandardBoth are typical, non-foldable smartphones.
Display
Size5.9"6.6"S23+ provides a larger viewing area for media and multitasking.
Resolution1080x24001080x2340Both are sharp, though very minor differences.
Pixel Density445 ppi393 ppiZenfone 9 has a visibly sharper display, especially noticeable in text and fine details.
TechnologyAMOLEDAMOLEDBoth offer vibrant colors and deep blacks.
Refresh Rate120Hz120HzBoth provide smooth scrolling and animations.
Brightness1100 nits1750 nitsS23+ is dramatically more visible in bright sunlight and offers better HDR viewing.
Performance
ChipsetSnapdragon 8+ Gen 1Snapdragon 8 Gen 2S23+ has a newer, more powerful chip for better performance, multitasking, and efficiency.
Antutu Score1,232,5001,508,732S23+ demonstrates higher performance in benchmarks.
GPUAdreno 730Adreno 740S23+ has an upgraded GPU for better gaming performance.
Camera
Main Camera50MP (f/1.8, 1/1.56")50MP (f/1.8, 1/1.57")Both have excellent main cameras, but the sensor size and processing on the Zenfone 9 may capture better details.
Selfie Camera12MP (f/2.45, 1/2.93")12MP (f/2.2)S23+ has a wider aperture, potentially better in low light.
Telephoto LensNone10MP (f/2.4, 1/3.9")S23+ features telephoto lens, allowing for optical zoom.
Wide Angle Lens12MP (f/2.2, 1/2.55")12.2MP (f/2.2, 1/2.55")The Zenfone 9's wide angle lens also includes macro capabilities. The S23+ has a stand alone wide-angle lens.
VideoUp to 8K@120fpsUp to 8K@30fpsBoth capture high quality video; the Zenfone has a higher frame rate.
Camera FeaturesGimbal, Dual CameraTriple Camera, Optical zoom, Night ModeS23+ offers more versatile camera system with a dedicated zoom lens and Night mode. The Zenfone 9 offers gimble stabilization.
Battery Life
Capacity4300mAh4700mAhS23+ has a slightly larger battery for longer usage.
Charging30W fast45W fastS23+ charges faster, getting you back in action quicker.
Wireless ChargingNo10W wirelessS23+ supports wireless charging; a convenient feature.
Software
OSAndroid 12 (Upgradable to 14)Android 13 (Upgradable to 17)S23+ comes with a newer version of Android out of the box.
Other
Storage128GB/256GB256GB/512GBS23+ has more storage options.
RAM8GB/16GB8GBZenfone 9 offers more RAM (up to 16GB).
Expandable StorageNoNoNeither phone has external storage expansion.
Bluetooth5.25.3S23+ has a newer Bluetooth version.
GPSMoreLessZenfone 9 has more satellite support for more accurate positioning
SIMDual Nano SIMDual Nano SIM, eSIMS23+ supports digital switching on the eSIM
Audio QualityHi-Res, Noise Cancelation, 3 MicrophonesHi-Res, Dolby AtmosZenfone 9 has 3 microphones and noise cancellation while the S23+ has Dolby Atmos.
SecuritySide-mounted FingerprintBasic FingerprintZenfone 9 has a more advanced side mounted fingerprint sensor.
Build ProtectionGorilla Glass VictusGorilla Glass Victus 2S23+ has the slightly newer version of Corning Glass protection.
SensorsAccelerometer, Compass, Gyroscope, Gravity, ProximityAccelerometer, Compass, Gyroscope, Barometer, Proximity, GeomagneticS23+ has more sensor features including a Barometer.

2. Key Insights

Asus Zenfone 9: The Compact Powerhouse

  • Strengths:

    • Compact Design: Its small size and light weight make it ideal for those seeking a phone that is easy to handle and fits comfortably in a pocket.
    • Sharp Display: The high pixel density (445 ppi) results in a very crisp and detailed display.
    • High RAM Option: Up to 16GB of RAM makes this phone a powerhouse when it comes to multitasking and performance
    • Gimbal Stabilization: Unique stabilization method for superior video recording.
    • Advanced Audio: Additional microphones with noise cancelling and Hi-Res audio, ideal for quality recording.
    • More Accurate GPS: Added satellite coverage
  • Trade-offs:

    • Smaller Screen: The smaller display might not be ideal for heavy media consumers.
    • No Telephoto Lens: The lack of optical zoom limits versatility in photography.
    • Lower Brightness: Not as visible in bright, outdoor settings.

Samsung Galaxy S23+: The All-Arounder

  • Strengths:
    • Larger, Brighter Display: Perfect for media consumption, gaming, and outdoor visibility.
    • Versatile Camera System: The triple camera setup, including the telephoto lens, provides greater flexibility.
    • Faster Charging and Wireless Charging: Convenient features for a busy lifestyle.
    • More powerful chip: Offers a bump in performance, smoothness, and better efficiency.
    • Larger Storage Option: For those that like to keep a lot of media or large games on their phones.
    • More features: Such as night mode, manual focus, and reverse wireless charging.
  • Trade-offs:
    • Larger and Heavier: Less convenient for one-handed use and carrying in small pockets.
    • Lower Pixel Density: Display is less sharp than the Zenfone 9.
    • Lower RAM Option: Limited to 8GB of ram

3. User Profiles and Recommendations

  • Asus Zenfone 9: Ideal for users who prioritize:

    • Compactness and portability: Those who value a phone that is comfortable to use and carry one-handed.
    • Sharp display: People who appreciate the crispness and clarity of a high-ppi screen.
    • Unique camera features: Ideal for those who are interested in video recording.
    • Strong performance in a small package: Those who want power without sacrificing size.
  • Samsung Galaxy S23+: Best for users who prioritize:

    • Large display experience: Users who consume a lot of video and like to have large screens for browsing or productivity.
    • Versatile camera system: Those who want a flexible system with telephoto zoom and great low light performance.
    • Long battery and fast charging: Perfect for users who are frequently away from a power source.
    • Wireless charging: Users who prefer the convenience of wireless charging
    • All around good performance: Those who want a phone that performs well in day to day and heavy tasks.

4. Buying Decision Framework

Here are three practical questions to guide your decision:

  1. How important is compactness and one-handed usability to you? If a small, easy-to-carry phone is essential, the Zenfone 9 is the clear winner. If a larger display for media consumption is a higher priority, the S23+ is better.

  2. What do you value most in your camera system? If a versatile setup with zoom capabilities and low-light enhancements is crucial, the S23+ is the better option. If the main camera and video capabilities are more important, consider the Zenfone 9.

  3. How much do you prioritize convenience? If features such as wireless charging and faster charging are important, the S23+ is the better choice.

Scenario-Based Recommendations:

  • Frequent Traveler/Commuter:

    • Asus Zenfone 9: Its compact size is great for portability and use on the go. The advanced GPS and audio features make it ideal for travel.
    • Samsung Galaxy S23+: Good for watching media on long commutes, but the larger size may make it more cumbersome to use on public transportation.
  • Media Enthusiast:

    • Samsung Galaxy S23+: The larger, brighter screen is ideal for watching videos and playing games.
    • Asus Zenfone 9: Might be less immersive due to its smaller screen, but great quality for smaller media consumption
  • Photography Buff:

    • Samsung Galaxy S23+: More versatile camera system with dedicated zoom and low-light performance
    • Asus Zenfone 9: Great video quality and unique stabilization.
  • Tech Enthusiast:

    • Asus Zenfone 9: Unique features such as the gimbal, more ram, smaller size, and advanced audio offer something different from other phones on the market.
    • Samsung Galaxy S23+: The cutting-edge chip, updated software, and modern features make it a great option.

Conclusion:

Both the Asus Zenfone 9 and Samsung Galaxy S23+ are fantastic devices, but they target different user needs. If you value a compact phone with great display sharpness and unique camera features, the Zenfone 9 is an excellent choice. If you want a more versatile and larger all-around phone, with good camera quality, a great display, and convenience features, the Galaxy S23+ is your pick.

Which one would I choose?

Personally, I would choose the Samsung Galaxy S23+. While I do appreciate the compact design of the Zenfone 9, I find the larger, brighter display, the more versatile camera system (especially having a telephoto lens), and the convenience of wireless charging much more compelling for my daily needs. The newer chipset and extra storage are also huge pluses for me. While the Zenfone 9's gimbal stabilization and unique audio setup are impressive, the S23+ strikes a better balance in terms of real-world usability and the features I'd use most. Additionally, the better display brightness and longer battery life on the S23+ are worth the trade-offs of its larger size and weight. For me, the Samsung Galaxy S23+ has features that would better fit my needs.

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.