Asus Zenfone 9 vs Oppo Reno8 T - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date September 15, 2022 February 2, 2023
Release Year 2022 2023

Physical

Volume 90.79 cm³ 92.56 cm³
Screen Size to Weight Ratio 3.49 "/g 3.57 "/g
Weight 169 g 180 g
Height 146.5 mm 160.8 mm
Width 68.1 mm 73.8 mm
Thickness 9.1 mm 7.8 mm
Foldable Design No No
Available Colors
  • Midnight Black
  • Starry Blue
  • Moonlight White
  • Sunset Red
  • Black Starlight
  • Orange Sunset

Display

Screen Size 5.9 " 6.43 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 84.2 % 84.1 %
Pixel Density 445 PPI 409 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness N/A 430 nits
HBM Brightness N/A N/A
Peak Brightness 1100 nits 800 nits

Hardware

Battery Capacity per Screen Area 123.53 mAh/in² 120.93 mAh/in²
Battery Density 47.36 mAh/cm³ 54.02 mAh/cm³
Battery Capacity 4300 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) Mediatek Helio G99 (6 nm)
CPU Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Adreno 730 Mali-G57 MC2

Connectivity

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

Software

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

Comparison Summary

Okay, let's dive deep into the Asus Zenfone 9 and Oppo Reno8 T. This is going to be a fun one because, on paper, these phones cater to rather different user needs. Buckle up; we're about to get into the nitty-gritty.

1. Specifications Breakdown

Here's a detailed breakdown of the key specifications, keeping in mind what they actually mean for you, the user:

FeatureAsus Zenfone 9Oppo Reno8 TReal-World Implications
Design
Physical Size146.5 x 68.1 x 9.1 mm160.8 x 73.8 x 7.8 mmZenfone 9 is much more compact and pocketable; Reno8 T is larger but thinner.
Weight169g180gZenfone 9 feels lighter and more comfortable for one-handed use.
BuildGorilla Glass VictusUnknownZenfone 9 offers superior screen protection from scratches and drops.
Display
Size5.9"6.43"Reno8 T's larger screen is better for media consumption; Zenfone 9 is more pocket-friendly.
Resolution1080 x 24001080 x 2400Both offer the same sharpness but on different sized screens.
Pixel Density (PPI)445409Zenfone 9 has a slightly sharper display.
TechnologyAMOLEDAMOLEDRich colors and deep blacks on both, great for viewing content.
Refresh Rate120Hz90HzZenfone 9 offers smoother animations and scrolling.
Brightness1100 nits950 nitsZenfone 9 has better outdoor visibility and is usable in bright conditions.
Performance
ChipsetSnapdragon 8+ Gen 1Helio G99Zenfone 9 offers flagship-level performance, the Reno8 T is geared for everyday use.
Antutu Score1,232,500402,916Zenfone 9 is much faster, handles intensive apps and games with ease.
GPUAdreno 730Mali-G57 MC2Zenfone 9’s GPU will render graphics faster with high-quality settings.
Camera
Rear
Main Resolution50MP (Sony IMX766)108MP (Samsung HM6)Reno8 T offers more detail in photos due to higher resolution.
Main Aperturef/1.8f/1.7Reno8 T lets in more light in dark environments.
Main Sensor Size1/1.56"1/1.67"Zenfone 9 captures more light for better image quality.
Main Pixel Size1.00 µm0.64 µmZenfone 9 has larger individual pixels for increased light sensitivity.
Wide Angle Lens12MP (Sony IMX363)NoneZenfone 9 can capture wide landscape photos.
Depth LensNone2MPReno8 T can create portrait shots with background blur.
Macro LensNone2MPReno8 T can capture very small subjects up close.
Selfie
Front Resolution12MP (Sony IMX663)32MPReno8 T can capture more detailed selfies.
Front Aperturef/2.45f/2.4Reno8 T lets in more light in dark environments.
VideoUp to 8K@24fpsUp to 1080p@30fpsZenfone 9 excels at video recording.
Video FeaturesOIS, Gimbal, EISUltra Stable VideoZenfone 9 provides better stabilization.
Battery Life
Capacity4300mAh4800mAhReno8 T likely offers longer battery life.
Charging30W67WReno8 T charges significantly faster.
FeaturesNon-removableReverse Charging, Non-removableReno8 T can act as a power bank to charge other devices.
Software
OSAndroid 12 (Upgradable to 14)Android 13 (Upgradable to 14)Reno8 T comes with a newer version of Android out of the box.
Connectivity
WiFiWiFi 6 (802.11ax)WiFi 5 (802.11ac)Zenfone 9 offers faster WiFi speeds and better performance on crowded networks.
Bluetooth5.25.1Zenfone 9 has slightly newer Bluetooth version.
GPSMore systemsFewer SystemsZenfone 9 has more precise location tracking.
Storage
Internal128GB or 256GB256GBBoth offer decent storage but only the Asus model has a smaller option, if you don't need that much storage
RAM8GB or 16GB8GBZenfone 9 can handle heavier multi-tasking and more demanding games.
ExpandableNoNoNeither offer the ability to expand storage with SD cards
Audio
QualityHi-Res Audio, 3 MicsHi-Res Audio, 2 MicsBoth offer high quality audio playback, but the Asus model might perform better with voice capture.
Security
FeaturesSide-mounted fingerprintFingerprint sensorBoth have fingerprint sensors, but the placement of Asus' is more convinient.
Other
SensorsMore (Compass, etc.)Fewer (Geomagnetic, etc.)Both are good but the Zenfone 9 offers a more comprehensive suite of sensors.

2. Key Insights

  • Asus Zenfone 9 - The Pocket Rocket: This phone is all about raw power in a compact body. Its flagship Snapdragon 8+ Gen 1 processor makes it a true performer, capable of handling anything you throw at it – from intensive gaming to heavy multitasking. It also excels in camera quality, offering better stabilization for video and better low light performance thanks to its larger main sensor. While the battery capacity is smaller, the charging speed isn't slow and the device can last a day with light usage.
  • Oppo Reno8 T - The Stylish Endurance Runner: The Reno8 T focuses on style and battery life. The larger battery coupled with fast charging means it'll easily last you through a day and refill in a flash. The 108MP camera will capture high detailed photos but the image quality isn't as consistent as the Zenfone's. The chipset is more than adequate for everyday tasks, but struggles with intensive apps or heavy gaming.

3. User Profiles and Recommendations

  • Asus Zenfone 9:
    • Best For: Gamers, power users, photography enthusiasts, anyone who prioritizes performance in a small form factor.
    • Use Cases: Mobile gaming, heavy photo editing, on the go multi-tasking, content creation.
  • Oppo Reno8 T:
    • Best For: Everyday users, media consumers, anyone who values long battery life and fast charging, casual photographers.
    • Use Cases: Social media browsing, video streaming, moderate photo taking, general productivity.

4. Buying Decision Framework

Here are three questions to help you decide:

  1. Performance or Battery?
    • Do you need top-tier performance for gaming and demanding apps, or is all-day battery life and fast charging more important?
  2. Size Matters?
    • Do you prefer a compact, pocketable phone, or a larger device for media consumption?
  3. Camera Capabilities?
    • Do you need exceptional video quality and low-light performance, or do you focus primarily on high-resolution photos in good lighting conditions?

Scenario-Based Recommendations:

  • The Gamer: Choose the Asus Zenfone 9. Its superior performance and higher refresh rate display will offer a much more immersive experience.
  • The Content Creator: The Asus Zenfone 9 is the better choice, its superior video capabilities and performance make it a good option for content creation.
  • The On-The-Go User: If you're constantly on the move and need your phone to last, the Oppo Reno8 T is ideal with its larger battery and faster charging.
  • The Casual User: The Oppo Reno8 T excels at everyday tasks, and offers a very good experience for the price.

My Choice and Why

If it were my money on the line, I would choose the Asus Zenfone 9. My use case leans heavily towards performance and having a compact device. I find myself editing photos, using multiple applications at once and I want the device to last long enough for a long day of usage, even if I have to charge it in the middle of the day, I don't mind because I would rather choose the Asus' camera. I also appreciate the better video stabilization. While the Oppo Reno8 T is a solid phone, the Zenfone 9 aligns more with my needs for performance, great camera and compact form factor.

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.