Asus Zenfone 9 vs Xiaomi Redmi A2+ - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date September 15, 2022 March 24, 2023
Release Year 2022 2023

Physical

Volume 90.79 cm³ 115.25 cm³
Screen Size to Weight Ratio 3.49 "/g 3.4 "/g
Weight 169 g 192 g
Height 146.5 mm 164.9 mm
Width 68.1 mm 76.8 mm
Thickness 9.1 mm 9.1 mm
Foldable Design No No
Available Colors
  • Midnight Black
  • Starry Blue
  • Moonlight White
  • Sunset Red
  • Aqua Blue
  • Classic Black
  • Sea Green

Display

Screen Size 5.9 " 6.52 "
Resolution 1080 x 2400 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 84.2 % 81 %
Pixel Density 445 PPI 269 PPI
Refresh Rate 120 Hz N/A
Typical Brightness N/A 400 nits
HBM Brightness N/A N/A
Peak Brightness 1100 nits N/A

Hardware

Battery Capacity per Screen Area 123.53 mAh/in² 117.62 mAh/in²
Battery Density 47.36 mAh/cm³ 43.39 mAh/cm³
Battery Capacity 4300 mAh 5000 mAh
NFC Support Yes No
Chipset Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) Mediatek Helio G36 (12 nm)
CPU Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) Octa-core (4x2.2 GHz Cortex-A53 & 4x1.7 GHz Cortex-A53)
GPU Adreno 730 PowerVR GE8320

Connectivity

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

Software

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

Comparison Summary

Alright, let's dive into a detailed comparison of the Asus Zenfone 9 and the Xiaomi Redmi A2+. This is a classic David vs. Goliath matchup in the smartphone world, and as usual, the story is in the details. Here's a breakdown that cuts through the specs to reveal the real-world implications for users.

1. Specifications Breakdown

FeatureAsus Zenfone 9Xiaomi Redmi A2+Real-World Implications
Design
Launch Date2022-09-152023-03-24Xiaomi Redmi A2+ is newer by about 6 months, meaning slightly more up-to-date software, and potentially better battery longevity.
Size146.5 x 68.1 x 9.1 mm164.9 x 76.8 x 9.1 mmZenfone 9 is significantly more compact and pocketable; Redmi A2+ is larger and will feel more substantial in hand.
Weight169g192gZenfone 9 is noticeably lighter, which makes it more comfortable for one-handed use and longer periods.
BuildGlass front (Gorilla Glass Victus), plastic frame, plastic backPlastic frame, plastic backZenfone 9 uses a more premium glass for screen protection while the Redmi A2+ does not mention a screen protection.
Display
Size5.9"6.52"Redmi A2+ offers a larger viewing area, potentially better for media consumption, while the Zenfone 9 is more ergonomic for smaller hands and easier one-handed use.
Resolution1080 x 2400720 x 1600Zenfone 9 has significantly sharper visuals due to its higher pixel density, meaning crisper text and images and better detail.
Pixel Density445 ppi269 ppiZenfone 9's sharper display results in less pixelation and a more refined viewing experience.
TechnologyAMOLEDIPS LCDZenfone 9's AMOLED offers deeper blacks, vibrant colors, and better contrast, while IPS LCD will have decent color reproduction but lower power efficiency with dark themes.
Refresh Rate120Hz60HzZenfone 9's 120Hz screen provides much smoother scrolling and animations, resulting in a more fluid user experience.
Brightness1100 nits0 nitsZenfone 9's higher brightness will be much better for visibility in direct sunlight and outdoor scenarios. The Xiaomi A2+ has no advertised brightness which may be an issue in bright light.
Performance
ChipsetQualcomm Snapdragon 8+ Gen 1 (4nm)Mediatek Helio G36 (12nm)Zenfone 9 is a flagship-level performance phone; Redmi A2+ is very budget-oriented and will have significant performance differences.
Antutu Score1,232,500127,000Zenfone 9 is significantly faster, capable of running demanding apps and games smoothly, while the A2+ is more basic.
GPUAdreno 730PowerVR GE8320Zenfone 9 has a much more powerful GPU for graphic-intensive tasks like gaming, while A2+ is more focused on basic tasks.
Camera
Main Camera50MP, f/1.8, 1/1.56" Sony IMX7668MP, f/2.0Zenfone 9's camera should capture much more detail, better low-light performance, and generally higher image quality; the Xiaomi A2+ will take more basic photos.
Selfie Camera12MP, f/2.45, 1/2.93" Sony IMX6635MP, f/2.2Zenfone 9 should take better selfies with more detail and better dynamic range; the A2+ is more basic.
Wide Angle + Macro12MP, f/2.2, 1/2.55" Sony IMX363NoneZenfone 9 is much more versatile offering wider perspectives and macro photography; The Redmi A2+ has no wide-angle camera.
VideoUp to 8K@24fps with HDR, EIS, up to 4K@120fps, many options1080p@30fpsZenfone 9 offers pro-grade video recording features, much more detailed videos, while the A2+ has much more basic video recording.
Camera Features4K/8K video, OIS, Gimbal, RAWDigital zoom, HDR, Face detectionZenfone 9 offers a more advanced camera system with better features; A2+ is more basic.
Battery Life
Capacity4300mAh5000mAhRedmi A2+ has a larger battery capacity, likely providing longer battery life, but this may depend on how well the OS is optimised and power consumption.
Charging30W Fast Charging10W Fast ChargingZenfone 9 charges much faster; Less time plugged in and more time mobile.
Software
OSAndroid 12, upgradeable to 14Android 12Zenfone 9 offers more software updates, while the A2+ may not.
Connectivity
Wi-FiWi-Fi 6 (802.11ax)802.11a, 802.11b, 802.11g, 802.11nZenfone 9 supports newer Wi-Fi standards for faster speeds and better connectivity; the A2+ is more basic.
BluetoothBluetooth 5.2 LEBluetooth 5.0 LEZenfone 9 uses a newer Bluetooth version and more features.
GPSGPS, A-GPS, GLONASS, Beidou, QZSS, GalileoGPS, A-GPS, GLONASS, BeidouZenfone 9 supports more satellite systems for better location accuracy.
Storage
Internal128GB or 256GBNot specifiedZenfone 9 comes with significantly more storage for apps, photos, and videos, while the A2+ does not offer much.
RAM8GB or 16GBNot specifiedZenfone 9 has much more RAM for more fluid multitasking and more resource-intensive apps.
ExpandableNoNoNeither phone provides expandable storage via microSD card.
Audio
QualityHi-Res Audio, Stereo SpeakersBasic audio featuresZenfone 9 provides a much more immersive and detailed audio experience.
Security
Featuresside-mounted fingerprint sensorrear-mounted fingerprint sensorAsus has a more convenient side-mounted fingerprint sensor.
SensorsBiometric: Fingerprint; Proximity: Proximity; Motion: Accelerometer, Compass, GyroscopeBiometric: Fingerprint; Motion: Accelerometer; Proximity: Ultrasonic proximity virtualZenfone 9 has additional advanced sensors like gyroscope and compass, the Redmi A2+ has a basic sensor suite.

2. Key Insights

Asus Zenfone 9 Strengths:

  • Flagship Performance: The Snapdragon 8+ Gen 1 chip is a powerhouse, ensuring smooth performance for all tasks, including demanding games.
  • Superior Display: The AMOLED display with 120Hz refresh rate offers vibrant colors, deep blacks, and buttery-smooth scrolling.
  • Advanced Camera: The Zenfone 9 boasts a much better camera system, offering more detail, better low-light performance, and versatile shooting modes, including 4K, 8K, and Gimbal.
  • Compact Design: The smaller size makes it ideal for one-handed use and portability.
  • Faster Charging: The 30W charging is significantly faster than the A2+'s 10W charging, so less time is spent plugged in and more time mobile.

Xiaomi Redmi A2+ Strengths:

  • Larger Display: The 6.52" screen provides a larger viewing area for content consumption and general usage.
  • Larger Battery: A bigger battery should translate to longer battery life, which is great for people who are away from an outlet all day.
  • Affordability: This phone is designed to be a low-cost option, focused on affordability.

Trade-offs:

  • Asus Zenfone 9: The smaller display and battery may not be ideal for those who prefer larger screens or need extensive battery life. It also comes with a higher price tag.
  • Xiaomi Redmi A2+: The Redmi A2+ significantly sacrifices performance, display quality, and camera capabilities for its lower price.

3. User Profiles and Recommendations

Asus Zenfone 9 is Ideal For:

  • Performance Users: Gamers, power users, and anyone who needs a fast, responsive phone.
  • Multimedia Enthusiasts: People who appreciate high-quality displays, excellent audio, and advanced camera capabilities.
  • One-Handed Use Fans: Users who prefer a more compact device that's easy to handle with one hand.

Xiaomi Redmi A2+ is Ideal For:

  • Budget-Conscious Users: Those who need a basic smartphone for essential tasks and want to avoid overspending.
  • Battery-Life Seekers: Users who prioritize battery endurance over high-end performance.
  • Casual Users: Individuals who primarily use their phone for calls, texts, social media, and basic browsing.

4. Buying Decision Framework

Here are three key questions to help you decide:

  1. How much do you value performance?
    • If you need a snappy phone for gaming and intensive tasks, go with the Zenfone 9. If you only need something for basic tasks, the A2+ should suffice.
  2. How important is display quality and cameras to you?
    • If you want a vibrant, sharp display and a versatile camera system, the Zenfone 9 is the clear choice. If you need a basic display and camera, the A2+ should be suitable.
  3. What's your budget?
    • The Zenfone 9 is a premium device with a premium price, while the Redmi A2+ is budget-oriented. If budget is the biggest factor, you know which to choose.

Scenario-Based Recommendations:

  • The Mobile Gamer: Choose the Asus Zenfone 9 without a doubt. The performance and display are top-notch for gaming.
  • The Social Media User: If you want amazing photos for social media, go with the Asus Zenfone 9, otherwise the Xiaomi Redmi A2+ will do for casual use.
  • The Road Warrior: The Xiaomi Redmi A2+ is best for battery endurance, but the Asus Zenfone 9 charges faster.
  • The Budget-Minded: The Xiaomi Redmi A2+ is the better option if price is your biggest concern.

My Choice

If I were choosing between these two devices, I would go for the Asus Zenfone 9. As someone who values performance, a high-quality display, and a capable camera, the Zenfone 9 ticks all the right boxes for me. Its compact design is also appealing, as I prefer a phone that's easy to use one-handed and carry around. While the Redmi A2+ offers a larger battery and comes at a lower price, the trade-offs in performance and display quality would be too significant for my use case. I want a device that can handle anything I throw at it, and the Zenfone 9 fits that perfectly. It's a small phone that packs a huge punch!

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.