Upgrade Guide

ASUS ZenFone 8 to Zenfone 9: Is It Worth Upgrading?

A plain-English look at what actually changes, 1 year apart.

Depends on You

Maybe — worth it only if the new features matter to you

The Zenfone 9 is 1 year newer than the ASUS ZenFone 8, and the BeastScore rises from 81.2 to 82.8. The biggest improvements: performance rated 15 points higher, newer snapdragon 8+ gen 1 chipset (replaces snapdragon 888), 300 mah bigger battery. Trade-offs to know: camera rated 4 points lower, lower-resolution main camera (−14 mp).

What you gain with the Zenfone 9

  • Performance rated 15 points higher
  • Newer Snapdragon 8+ Gen 1 chipset (replaces Snapdragon 888)
  • 300 mAh bigger battery
  • 300 nits brighter peak display
  • 8 GB more RAM

What you give up

  • Camera rated 4 points lower
  • Lower-resolution main camera (−14 MP)
  • Launched $100 more expensive
Spec Breakdown

Head-to-head

SpecASUS ZenFone 8Zenfone 9Change
BeastScore (overall)81.282.8+1.6
Performance score8095+15 (19%)
Camera score8884−4 (5%)
Battery score7070No real change
Display score8686No real change
ChipsetSnapdragon 888Snapdragon 8+ Gen 1New generation chip
Battery capacity4,000 mAh4,300 mAh+300 mAh (8%)
Wired charging30W30WNo real change
Screen size5.9"5.9"No real change
Refresh rate120Hz120HzNo real change
Peak brightness800 nits1,100 nits+300 nits (38%)
Main camera64 MP50 MP−14 MP (22%)
RAM8 GB16 GB+8 GB (100%)
Weight169 g169 gNo real change
Launch price$599$699+$100 (17%)

Upgrade if…

  • You regularly run out of battery before the end of the day
  • You play demanding games or want the newest on-device AI features
  • You use your phone outdoors a lot and want a brighter, smoother screen
FAQ

ASUS ZenFone 8 to Zenfone 9: Common Questions

Is it worth upgrading from the ASUS ZenFone 8 to the Zenfone 9?

Maybe — worth it only if the new features matter to you. The Zenfone 9 is 1 year newer than the ASUS ZenFone 8, and the BeastScore rises from 81.2 to 82.8. The biggest improvements: performance rated 15 points higher, newer snapdragon 8+ gen 1 chipset (replaces snapdragon 888), 300 mah bigger battery. Trade-offs to know: camera rated 4 points lower, lower-resolution main camera (−14 mp).

What is the biggest difference between the ASUS ZenFone 8 and Zenfone 9?

Performance rated 15 points higher: 80 on the ASUS ZenFone 8 vs 95 on the Zenfone 9.

Does the Zenfone 9 have a bigger battery than the ASUS ZenFone 8?

The Zenfone 9 has a 4,300 mAh battery versus 4,000 mAh on the ASUS ZenFone 8 (+300 mAh (8%)).

Who should upgrade to the Zenfone 9?

Upgrade if: You regularly run out of battery before the end of the day; You play demanding games or want the newest on-device AI features; You use your phone outdoors a lot and want a brighter, smoother screen.

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