OnePlus 15 vs Asus Zenfone 9
Verdict
Our overall take, at a glance
Key takeaways
- OnePlus 15 leads Asus Zenfone 9 overall by 23 points (81 vs 58 out of 100).
- OnePlus 15 stands out on Memory RAM capacity: 16 GB, Memory technology: LPDDR5X, Storage capacity: 1,024 GB.
OnePlus 15 leads overall
OnePlus 15
81
Asus Zenfone 9
58
Why it stands out
- Memory RAM capacity: 16 GB
- Memory technology: LPDDR5X
- Storage capacity: 1,024 GB
In-depth analysisAI
AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Jun 2026.
Asus Zenfone 9
The Asus ZenFone 9 is a compact flagship smartphone within the ZenFone series. It maintains a small form factor, making it easily portable despite housing advanced specifications. The device is suited for users who prefer smaller screens and pocketable hardware without sacrificing performance.
Best for PortabilityBest for Single-hand useBest for Users preferring smaller smartphones
Pros
- Features a compact 5.9-inch display with a fast refresh rate and anti-fingerprint coating
- Equipped with a large 4300 mAh battery capacity
- Includes features such as IP68 rated dust and water resistance
- Utilizes a fast charge of up to 30W
- The design is generally considered comfortable for extended single-hand use.
Cons
- The previous model's polymer back panel was described by one source as feeling rubbery.
- Some sources noted that the display collected visible scratches over time, common to Gorilla Glass Victus screens.
Value for Money
Which is the better deal for the price
Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.
OnePlus 15
Asus Zenfone 9
Battery capacity
Larger cell — a hardware spec, not battery life
OnePlus 157,300 mAh
Asus Zenfone 94,300 mAh
Capacity is the raw battery size. Real-world battery life depends just as much on the processor, software and display.
Physical Comparison
Weigh them up, then compare real dimensions in 3D
OnePlus 15Asus Zenfone 9
OnePlus 15 is 42 g (25%) heavier than Asus Zenfone 9.
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Review Videos
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Detailed Specifications
The full spec sheet, side by side