Asus Zenfone 9 vs Nothing Phone (2a) Plus - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date September 15, 2022 August 3, 2024
Release Year 2022 2024

Physical

Volume 90.79 cm³ 104.87 cm³
Screen Size to Weight Ratio 3.49 "/g 3.53 "/g
Weight 169 g 190 g
Height 146.5 mm 161.7 mm
Width 68.1 mm 76.3 mm
Thickness 9.1 mm 8.5 mm
Foldable Design No No
Available Colors
  • Midnight Black
  • Starry Blue
  • Moonlight White
  • Sunset Red
  • Black
  • Grey

Display

Screen Size 5.9 " 6.7 "
Resolution 1080 x 2400 1080 x 2412
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 84.2 % 87.6 %
Pixel Density 445 PPI 395 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A 700 nits
HBM Brightness N/A 1100 nits
Peak Brightness 1100 nits 1300 nits

Hardware

Battery Capacity per Screen Area 123.53 mAh/in² 111.38 mAh/in²
Battery Density 47.36 mAh/cm³ 47.68 mAh/cm³
Battery Capacity 4300 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) Mediatek Dimensity 7350 Pro (4 nm)
CPU Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) Octa-core (2x3.0 GHz Cortex-A715 & 6x 2.0 GHz Cortex-A510)
GPU Adreno 730 Mali-G610 MC4

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 14
Maximum OS Version 14 17

Comparison Summary

Alright, let's dive into a detailed comparison of the Asus Zenfone 9 and the Nothing Phone (2a) Plus. These two phones represent very different approaches to the smartphone market, and understanding their strengths and weaknesses is key to picking the right one for you.

1. Specifications Breakdown

Here's a detailed breakdown of the key specifications, along with their real-world implications for everyday use:

FeatureAsus Zenfone 9Nothing Phone (2a) PlusReal-World Implications
Design
Dimensions146.5 × 68.1 × 9.1 mm161.7 × 76.3 × 8.5 mmZenfone 9 is much smaller and more pocketable; the 2a Plus is larger and may be more comfortable for media consumption.
Weight169g190gZenfone 9 is significantly lighter, easier to handle for prolonged periods.
Display
Size5.9"6.7"2a Plus offers a larger screen better for watching videos and multitasking. Zenfone 9 is more compact and better for one-handed use.
Resolution1080x24001080x2412Very similar resolution, both offering a sharp display.
PPI445395Zenfone 9 has a noticeably sharper display due to higher pixel density.
TechnologyAMOLEDAMOLEDBoth phones use vibrant AMOLED displays, offering excellent color and contrast.
Refresh Rate120Hz120HzBoth offer smooth scrolling and animations.
Brightness1100 nits1300 nitsNothing 2a Plus will be more visible in very bright outdoor conditions.
Performance
ChipsetQualcomm Snapdragon 8+ Gen 1Mediatek Dimensity 7350 ProSnapdragon 8+ Gen 1 in the Zenfone 9 offers significantly higher performance, suitable for demanding tasks and gaming.
AnTuTu Score1,232,500805,721Zenfone 9 is considerably faster in benchmarks, translating to snappier overall performance.
GPUAdreno 730Mali-G610 MC4Zenfone 9's GPU is more powerful, offering better gaming and graphics processing.
Camera
Main Camera50MP f/1.8 Sony IMX76650MP f/1.88 Samsung GN9Zenfone 9 has slightly wider aperture, potentially better low-light performance. Both use capable 50MP sensors.
Selfie Camera12MP f/2.45 Sony IMX66350MP f/2.2 Samsung S5KJN12a Plus has significantly higher resolution selfie camera, good for detailed selfies and better zoom capabilities.
Wide Angle/Macro12MP f/2.2 Sony IMX36350MP f/2.2 Samsung S5KJN1Nothing 2a Plus has higher resolution but the Zenfone 9 offers larger pixel size.
Video RecordingUp to 8K 24fpsUp to 4K 30fpsZenfone 9 supports higher resolution videos, suitable for videographers; both phones include EIS.
Camera FeaturesOIS, Gimbal, 8K videoOIS, Night Mode, TimelapseZenfone 9 has a gimbal for extra stability; the 2a Plus is stronger in low light.
Battery Life
Capacity4300mAh5000mAhNothing Phone (2a) Plus has a larger battery, likely resulting in better battery endurance throughout the day.
Charging30W Fast Charging50W Fast ChargingNothing Phone (2a) Plus charges faster, minimizing time spent plugged in.
ChargerIncludedNot IncludedNothing Phone (2a) Plus doesn't include a charger in the box.
Software
Operating SystemAndroid 12 (upgradable to 14)Android 14 (upgradable to 17)Nothing Phone (2a) Plus ships with a newer Android version and has promise for more updates.
Connectivity
Wi-FiWi-Fi 6Wi-Fi 6Both have modern Wi-Fi capabilities.
Bluetooth5.25.32a Plus uses a newer version of Bluetooth.
GPSAdvanced SystemsBasic systemsAsus Zenfone 9 is more accurate when using GPS services.
Storage
Internal128GB/256GB256GB2a Plus only comes in a 256GB configuration, Zenfone 9 offers either 128GB or 256GB.
RAM8GB/16GB12GBZenfone 9 has options for 16GB of RAM, excellent for heavy multitasking and demanding games.
Expandable StorageNoNoNeither phone has expandable storage options.
Audio
QualityHi-Res Audio, Noise cancellation micHi-Res Audio, No noise cancellation micZenfone 9 has more comprehensive audio features.
Security
Featuresside-mounted fingerprintbasic fingerprint sensorZenfone 9 utilizes a more advanced fingerprint reader.
Build
ProtectionGorilla Glass VictusGorilla Glass 5Zenfone 9 uses the superior Gorilla Glass Victus.
Sensors
FeaturesComprehensive Sensor SuiteBasic Sensor SuiteZenfone 9 offers more accurate data for advanced features.

2. Key Insights

Asus Zenfone 9:

  • Strengths:

    • Compact Powerhouse: The Zenfone 9 delivers flagship-level performance in an exceptionally compact form factor. Its blend of small size, high-end processor, and robust build makes it a unique contender.
    • Superior Performance: The Snapdragon 8+ Gen 1 chipset provides a significantly faster and smoother experience, ideal for demanding apps, gaming, and multitasking.
    • High-Quality Display: The smaller display still offers a very sharp and vibrant visual experience with its higher pixel density.
    • Advanced Audio: The Zenfone 9 offers superior audio features for better audio quality and call clarity.
    • Better Build and Protection: The Zenfone 9 features superior screen protection.
  • Competitive Advantages: The Zenfone 9 excels for users who prioritize top-tier performance and portability in a single device, especially for activities like high-end gaming and on-the-go productivity.

  • Tradeoffs: The Zenfone 9 comes at a price, and it has a smaller screen and battery compared to the Nothing Phone.
  • Limitations: No expandable storage, the battery isn't the best (although it's acceptable for its size)

Nothing Phone (2a) Plus:

  • Strengths:

    • Larger Immersive Display: The Nothing Phone (2a) Plus offers a significantly larger screen that's ideal for media consumption, multitasking, and gaming.
    • Great Battery Life: The larger 5000mAh battery ensures excellent all-day battery performance with fast 50W charging capabilities.
    • Newer Software: The 2a Plus ships with a newer version of Android which means long term software support.
    • Solid Camera: Although not quite on the level of the Zenfone 9, the 2a Plus offers better front camera performance.
  • Competitive Advantages: The Nothing Phone (2a) Plus is a strong contender for users who value a large display, long battery life, and a unique design. Its combination of these elements makes it a great media consumption device and an excellent choice for everyday use.

  • Tradeoffs: The Nothing Phone (2a) Plus doesn’t have quite the same level of processing power or build quality as the Zenfone 9. The lack of a charger in the box is also something that needs to be considered.
  • Limitations: The processing power isn't quite as good as the competition, and lacks some of the more advanced features such as noise cancelling and gimbal.

3. User Profiles and Recommendations

Asus Zenfone 9:

  • Best for: Users who value top-tier performance in a compact, premium design. Ideal for gamers, those who need a pocketable workstation, and anyone who appreciates cutting-edge hardware in a small package.
  • Use Cases: Gaming, video editing on the go, travel, one-handed use, and those who prioritize a phone with a strong performance and build quality.
  • Price-to-Value: The Zenfone 9 has a premium price, but it brings a lot of top-tier features.

Nothing Phone (2a) Plus:

  • Best for: Users who prefer a large screen for media consumption, appreciate unique designs, and need a long-lasting battery with fast charging.
  • Use Cases: Watching movies, reading, browsing social media, casual gaming, and those who want a reliable daily driver that won't need to be charged throughout the day.
  • Price-to-Value: The Nothing Phone (2a) Plus offers excellent value, offering an enjoyable experience with a focus on day-to-day usability.

4. Buying Decision Framework

To help you decide, ask yourself these three practical questions:

  1. What size phone do I prefer? The Zenfone 9 is extremely compact, while the Nothing Phone (2a) Plus is significantly larger. This is a major factor for comfort and usability.
  2. How much do I value processing power versus battery life? The Zenfone 9 is significantly faster, but the Nothing Phone (2a) Plus has better battery life.
  3. What type of photography do I prefer? The Zenfone 9 has better main camera performance but the Nothing Phone (2a) Plus has better front facing camera performance.

Scenario-Based Recommendations:

  • Scenario 1: High-Performance User: You need maximum performance for gaming, video editing, and demanding applications. Go for the Asus Zenfone 9.
  • Scenario 2: Media Consumption: You primarily use your phone for watching videos, browsing social media, and reading. The Nothing Phone (2a) Plus is a better option.
  • Scenario 3: All-Day Battery Life: You prioritize battery life and fast charging to get through the day without needing to stop to charge. The Nothing Phone (2a) Plus is the best option.

My Choice

If it were me, I'd choose the Asus Zenfone 9. While the Nothing Phone (2a) Plus has its merits with its larger screen and better battery, the raw power and unique compact form factor of the Zenfone 9 is just too compelling. I am a heavy user and appreciate the fast performance for gaming and development tasks, and I prefer a smaller phone that’s easier to handle. The superior screen protection and audio features are also a big plus for me. While battery life is a factor, I'm usually close to a charger, so the slightly shorter battery life of the Zenfone 9 is acceptable considering the performance I'm gaining.

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.