Asus Zenfone 9 vs Samsung Galaxy Z Fold6 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date September 15, 2022 July 24, 2024
Release Year 2022 2024

Physical

Volume 90.79 cm³ 113.98 cm³
Screen Size to Weight Ratio 3.49 "/g 3.18 "/g
Weight 169 g 239 g
Height 146.5 mm 153.5 mm
Width 68.1 mm 132.6 mm
Thickness 9.1 mm 5.6 mm
Foldable Design No Yes
Available Colors
  • Midnight Black
  • Starry Blue
  • Moonlight White
  • Sunset Red
  • Black
  • White
  • Navy
  • Pink
  • Silver Shadow

Display

Screen Size 5.9 " 7.6 "
Resolution 1080 x 2400 1856 x 2160
Aspect Ratio 20:9 16:9
Screen-to-Body Ratio 84.2 % 90.5 %
Pixel Density 445 PPI 374 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness 1100 nits 2600 nits

Hardware

Battery Capacity per Screen Area 123.53 mAh/in² 76.18 mAh/in²
Battery Density 47.36 mAh/cm³ 38.6 mAh/cm³
Battery Capacity 4300 mAh 4400 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) Qualcomm SM8650-AC Snapdragon 8 Gen 3 (4 nm)
CPU Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) 8-core (1x3.39GHz Cortex-X4 & 3x3.1GHz Cortex-A720 & 2x2.9GHz Cortex-A720 & 2x2.2GHz Cortex-A520)
GPU Adreno 730 Adreno 750 (1 GHz)

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 14
Maximum OS Version 14 18

Comparison Summary

Okay, let's break down the Asus Zenfone 9 and the Samsung Galaxy Z Fold6. I'm excited to put these two through their paces, and I'll be sure to focus on what really matters: how these specs play out in our daily lives.

1. Specifications Breakdown

Here's a detailed comparison, emphasizing the real-world impact of each specification:

FeatureAsus Zenfone 9Samsung Galaxy Z Fold6Real-World Implications
DESIGN
Form FactorStandardFoldableZ Fold6: Transforms into a tablet-like experience; Zenfone 9: Classic, pocketable smartphone.
Dimensions146.5 x 68.1 x 9.1 mm153.5 x 132.6 x 5.6 mm (unfolded)Z Fold6: Larger, more screen real estate when open. Zenfone 9: Compact, one-hand use friendly.
Weight169g239gZ Fold6: Heavier, less pocketable. Zenfone 9: Lighter and easier for all-day carry.
DISPLAY
Size (Main)5.9"7.6"Z Fold6: Significantly more immersive for media, multitasking. Zenfone 9: More convenient for single-handed tasks.
Resolution1080 x 24001856 x 2160Z Fold6: Sharper details on the larger screen. Zenfone 9: Clear and crisp on a smaller panel.
Pixel Density (PPI)445374Zenfone 9: Visibly sharper text and images, more detailed.
TechnologyAMOLEDUnknownZenfone 9: Richer colors, deeper blacks, better power efficiency for dark themes.
Refresh Rate120Hz120HzBoth offer smooth scrolling and animations.
Brightness1100 nits0 nitsZenfone 9: Significantly better visibility in bright outdoor conditions. Z Fold6: Lacks brightness data.
PERFORMANCE
ChipsetSnapdragon 8+ Gen 1Snapdragon 8 Gen 3Z Fold6: Faster processing for gaming, multitasking; Zenfone 9: Still powerful but with a slightly older chip.
Antutu Score1,232,5002,200,000Z Fold6: Much higher performance for demanding tasks, gaming, app loading and overall user experience.
GPUAdreno 730Adreno 750Z Fold6: Better graphics for gaming, video editing.
BATTERY LIFE
Capacity4300mAh4400mAhBoth offer similar battery capacity.
Charging30W Fast Charging25W Fast ChargingZenfone 9: Slightly faster charging, less time plugged in.
FeaturesNon-removableBypass Charging, Reverse charging, Wireless charging 15W, Reverse wireless charging 4.5W, Non-removableZ Fold6: More convenient for charging other devices.
CAMERA
Standard (Rear)50MP, f/1.850MP, f/1.8Both phones have similar main camera specs.
Selfie Camera12MP, f/2.4510MP, f/2.2Zenfone 9: Higher resolution, likely better detail in selfies. Z Fold6: Slightly wider aperture.
Telephoto LensN/A10MP, f/2.4Z Fold6: Versatile zooming capabilities.
Wide Angle LensN/A12MP, f/2.2Z Fold6: Better for landscape and group shots.
Wide Angle + Macro Lens12MP, f/2.2N/AZenfone 9: Provides unique macro functionality
Video Recording8K@24fps, 4K@120fps8K@30fps, 4K@60fpsBoth phones record at high quality. Zenfone 9: Offers 4K at 120fps, excellent for slow motion.
DXOMark MobileNot tested133 (Main), 132 (Photo), 128 (Video)Z Fold6: Known high performance camera
FeaturesGimbal, Dual CameraOptical Zoom, Triple camera, Under Display CamZ Fold6: More versatile camera features, Zenfone 9: Gimbal for better stabilization.
SOFTWARE
OSAndroid 12 (up to 14)Android 14 (up to 18)Z Fold6: More up-to-date out of the box with a longer update lifespan.
CONNECTIVITY
WiFiWi-Fi 6Wi-Fi 6Both phones have modern Wi-Fi support.
Bluetooth5.25.3Z Fold6: Slightly newer for better connectivity.
GPSYesYesBoth offer comprehensive GPS capabilities, with slight additional support on Asus for additional satellite systems.
SIMDual Nano-SIMDual Nano-SIM / eSIMZ Fold6: More flexible with eSIM support.
STORAGE
Internal Storage128GB / 256GB256GB / 512GB / 1024GBZ Fold6: More storage options, up to 1 TB.
RAM8GB / 16GB12GBZenfone 9: Can be configured with 16GB RAM, great for demanding apps.
ExpandableNoNoNeither phone has expandable storage.
AUDIO
QualityHi-Res Audio, 3 Mics, Noise cancellation microphoneDolby AtmosZenfone 9: High fidelity audio and better for calls; Z Fold6: immersive spatial audio.
SECURITY
FeaturesSide FingerprintSide FingerprintBoth phones have a reliable fingerprint sensor.
BUILD QUALITY
Screen ProtectionCorning Gorilla Glass VictusCorning Gorilla Glass Victus 2Both phones are designed to be durable.
SENSORS
SensorsAccelerometer, Compass, Gyroscope, Fingerprint, ProximityAccelerometer, Compass, Gyroscope, Fingerprint, Proximity, BarometerZ Fold6: Additional sensor (Barometer) for more environmental data.

2. Key Insights

Asus Zenfone 9 Strengths:

  • Compact Powerhouse: The Zenfone 9 is all about pocketability and one-handed use without compromising performance.
  • Sharp Display: Its higher PPI translates to an exceptionally crisp viewing experience, perfect for text-heavy tasks.
  • Superior Brightness: The 1100 nits brightness ensures great visibility in direct sunlight.
  • Fast Charging: The 30W charging is a small but noticeable advantage for quickly topping up the battery.
  • Gimbal Camera: This enhances stability for video, making it great for capturing smoother footage.
  • High-Resolution Selfies: 12 MP front-facing camera for sharper images.
  • High RAM Configurations: Up to 16 GB RAM for demanding tasks and heavy multitasking.
  • High Quality Audio: The Hi-Res Audio, 3 microphones, and noise cancellation microphone offer quality audio and better audio capture.

Samsung Galaxy Z Fold6 Strengths:

  • Transformative Display: The foldable design opens up a new world of multitasking, media consumption, and productivity on its large, 7.6-inch screen.
  • Cutting-Edge Performance: The Snapdragon 8 Gen 3 chipset provides a massive performance jump for any task you throw at it.
  • Versatile Camera System: Includes telephoto and wide-angle lenses for diverse photography options.
  • Modern Software: Comes with a newer version of Android (14) and is likely to receive updates for longer.
  • Flexible Battery Features: Includes wireless charging, bypass charging and reverse charging, making it more convenient for daily use.
  • Large Storage Options: Up to 1TB of internal storage for those who need it, a very high capacity.
  • DXOMARK Score: Has been tested for DXOMARK and has a high score in overall, photo, and video.

Trade-offs:

  • Zenfone 9: Smaller screen, standard form factor, single camera system for most photography needs, and older chipset.
  • Z Fold6: Higher price tag, heavier build, and not as sharp display as Zenfone 9.

3. User Profiles and Recommendations

Asus Zenfone 9 is best for:

  • Users who prioritize portability: Individuals who need a powerful phone that fits comfortably in a pocket and is easy to handle.
  • One-handed users: Those who value a phone they can operate easily with one hand for daily use.
  • Content creators: People who need a fast camera with high video quality and smooth gimbal stabilization.
  • Users who prioritize audio quality: Those who value higher fidelity audio and noise cancellation features.

Samsung Galaxy Z Fold6 is best for:

  • Power users: Individuals who demand cutting-edge performance, whether for gaming or work.
  • Multitaskers: Those who value the larger screen for running multiple apps simultaneously and more screen real estate.
  • Media lovers: People who enjoy immersive movies, videos, and gaming experiences on a larger display.
  • Photography enthusiasts: Those who want versatility from a variety of cameras for different shooting styles and scenarios.

4. Buying Decision Framework

Here are three practical questions to help you decide:

  1. How much do you value portability vs screen size?
    • If your priority is a compact, easily pocketable phone, the Zenfone 9 is the obvious choice. If you prefer a larger screen experience, the Z Fold 6 is better for you.
  2. How important is top-tier performance vs. battery life?
    • If performance is paramount, then the Z Fold6 is much more powerful than the Zenfone 9. However, both devices provide a similar battery life, and if you value fast charging then the Zenfone 9 will suit your needs.
  3. What type of photography do you prioritize?
    • If a more versatile camera system is a must, the Z Fold6 is a better option, with its multiple lenses and capabilities. If you value a high resolution front facing camera with gimbal stability, the Zenfone 9 is a better fit.

Scenario-Based Recommendations:

  • The Commuter: You want a reliable phone that is pocketable, takes great photos and videos, and charges quickly: Asus Zenfone 9.
  • The Mobile Professional: You need a device that can handle heavy multitasking, content creation and provides high quality audio: Samsung Galaxy Z Fold6.
  • The Mobile Gamer: You desire the fastest possible performance with multiple features, a large screen, and wireless charging: Samsung Galaxy Z Fold6.

What I Would Choose

If I were choosing between these two phones, I'd personally lean towards the Samsung Galaxy Z Fold6. While the Zenfone 9 is a very impressive compact device, I find myself often juggling multiple tasks on my phone. The ability to expand the display on the Z Fold6 and multitask with multiple windows, even when on the go, is something that would greatly increase my productivity. Also, having a more versatile camera system with optical zoom is very important for me and my content creation, where multiple cameras for different scenarios is essential.

Furthermore, the advanced technology in the Z Fold6, like the latest chipset and wireless charging, makes it a more compelling all-around device for my workflow. Although the Zenfone 9’s compact form factor and its incredibly bright display is very attractive, the unique functionality offered by the Z Fold 6 is more valuable to me. For those seeking pure portability and a crisp display, the Zenfone 9 will do a very good job; however, the Z Fold6 has greater functionality in my use case.

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.