Asus Zenfone 9

Asus Zenfone 9
1080 x 2400
(20:9 ratio)

6GB to 16GB RAM

128GB to 256GB

Qualcomm SM8475 Snapdragon 8+ Gen 1

4300 mAh
15.91 Wh

 ~103 h
 ~22 h
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Asus Zenfone 9 was released in 2022 and is powered by the Qualcomm SM8475 Snapdragon 8+ Gen 1 chipset manufactured on a 4 nm process technology. It comes with 6GB to 16GB of RAM and 128GB to 256GB of storage. The battery capacity is 4300 mAh and the phone is 9.1 mm thick.

Asus Zenfone 9 Battery life

Asus Zenfone 9 battery life can vary significantly, ranging from 11 hours and 14 minutes to 103 hours, depending on how the phone is used. The following usage profiles are relevant:

1.  Active Standby: ~103 hours

4 days and 7 hours? Really? This profile prioritizes a phone that's always reliable, perfect for emergencies or extended trips. Keep in mind, standby time will take a significant hit when you actually use the phone. Active standby time of the Asus Zenfone 9 depends on using it wisely and avoiding battery-draining background apps.

2.  Light Usage Profile: ~47 hours

If you primarily use your phone for communication but have all the apps you need and use them whenever you need them, you can expect the Asus Zenfone 9 to last for approximately 47 hours. That means 1 day and 23 hours.

3.  Moderate Usage Profile: ~37 hours

If you're a fan of YouTube and social media but don't have all day for it, this profile is for you. In this scenario, you can expect the phone to last for approximately 37 hours. That means 1 day and 13 hours.

4.  Heavy Usage Profile: ~24 hours

If you have high communication needs and staying informed is crucial for you, you will likely use your phone heavily. In this scenario, you can expect a battery life of approximately 24 hours.

Within this category, there are three extreme subprofiles:

  • Continuous voice calls: ~22 hours.
  • Continuous video playback: ~15 hours and 19 minutes.
  • Continuous intense web activity: ~11 hours and 14 minutes.

It is important to note that these are just estimates, and actual battery life may vary depending on individual usage patterns and specific conditions.

Factors such as battery age, screen brightness, network signal strength, and background app activity can also impact battery life of Asus Zenfone 9 phone.

Basic specifications

General specifications
Release year 2022
Networks technology GSM / HSPA / LTE / 5G (2G+3G+4G+5G)
Size (mm) 146.5 x 68.1 x 9.1 mm
Size (in) 5.77 x 2.68 x 0.36 in
Weight 169 g
Software Android 12, upgradable to Android 13
Screen size 5.9 inches
Screen resolution 1080 x 2400 pixels (20:9 ratio)
Screen Type Super AMOLED, 120Hz
Chipset Qualcomm SM8475 Snapdragon 8+ Gen 1
Architecture Octa-core (1×3.19 GHz Cortex-X2 + 3×2.75 GHz Cortex-A710 + 4×1.80 GHz Cortex-A510)
GPU Adreno 730
Technology 4 nm process
Storage 128GB to 256GB
RAM 6GB to 16GB
Memory versions
  • 128GB storage, 6GB RAM
  • 128GB storage, 8GB RAM
  • 256GB storage, 8GB RAM
  • 256GB storage, 16GB RAM
Card No
Multimedia & Connectivity
Main Camera Dual (50MP + 12MP)
Front Camera Single (12 MP)
Radio No
Positioning GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
Jack 3.5mm Yes
Battery Type Non-removable Li-Po
Battery Capacity 4300 mAh
Battery Energy 15.91 Wh
Phone Power density 25.44 mAh/g weight
472.53 mAh/mm thickness
Charging 30W wired, PD3.0, PPS, QC4
5W reverse wired
Battery Life Stand-by time: ~103 h
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