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  1. Home
  2. /Smartphones
  3. /OnePlus 15 vs Asus Zenfone 9

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.
Official
  • Asus ZenFone 9 - WikipediaLists technical specifications such as dimensions, processor, battery capacity, and camera details.
Video — reviews used (3)

Discusses the size, materials (flat back panel), IP68 rating, screen specs (5.9-inch OLED, 120Hz), and weight.

Generated Jun 28, 2026

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

Check Price on Amazon

Asus Zenfone 9

Check Price on Amazon

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

211 g169 g
OnePlus 15Asus Zenfone 9

OnePlus 15 is 42 g (25%) heavier than Asus Zenfone 9.

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Review Videos

Hand-picked expert reviews for each product

Detailed Specifications

The full spec sheet, side by side

Chip

Feature
OnePlus 15
Asus Zenfone 9
Model
Snapdragon 8 Elite Gen 5

Memory

Feature
OnePlus 15
Asus Zenfone 9
RAM capacity
16 GB
8 GB
Memory technology

Storage

Feature
OnePlus 15
Asus Zenfone 9
Storage capacity
1,024 GB
128 GB
Is expandable
No
No

Display

Feature
OnePlus 15
Asus Zenfone 9
Size
6.78 in
5.92 in
Resolution
1272 × 2772 px
1080 × 2400 px
Pixel density
450 PPI
445 PPI
Refresh rate
165 Hz
120 Hz
Display technology
Protection
Has pen support
No
No
Screen-to-body ratio
91%85%

Rear Camera

Feature
OnePlus 15
Asus Zenfone 9
Rear camera (megapixels)
50 MP
50 MP
Rear camera aperture
1.8
1.9
Optical zoom
3.5
0
Has High Dynamic Range (HDR)
Yes
Yes
Has Optical Image Stabilization (OIS)
Yes
No
Number of cameras
3
2
Other cameras
N/A
12MP Ultrawide f/2.2

Front Camera

Feature
OnePlus 15
Asus Zenfone 9
Front camera (megapixels)
32 MP
12 MP
Front camera aperture
2.4
2.45

Cellular

Feature
OnePlus 15
Asus Zenfone 9
Cellular technology
SIM type
Has dual-sim support
Yes
Yes

Connectivity

Feature
OnePlus 15
Asus Zenfone 9
Bluetooth technology
Bluetooth 6.0
Wi-Fi technology
Connector
USB Type-C 3.2
Has a headphone jack
No
No

Sensors

Feature
OnePlus 15
Asus Zenfone 9
Has a NFC sensor
Yes
Yes
Has an accelerometer sensor
Yes
Yes
Has a gyroscope sensor
Yes
Yes
Has a magnetic field sensor
Yes
Yes
Has an atmospheric pressure sensor
Yes
No
Has a GPS sensor
Yes
Yes

Design & Weight

Feature
OnePlus 15
Asus Zenfone 9
Color
N/A
Dimensions
16.14 × 7.67 × 0.81 cm
6.81 × 14.65 × 0.91 cm
Weight
211 g
169 g

Power & Battery

Feature
OnePlus 15
Asus Zenfone 9
Battery capacity
7,300 mAh
4,300 mAh
Has wireless charging support
Yes
No
Has fast charging support
Yes
Yes

Benchmark

Feature
OnePlus 15
Asus Zenfone 9
Antutu score
N/A
1,099,826
Geekbench single-core score
N/A
1,289
Geekbench multi-core score
N/A
4,243

Miscellaneous

Feature
OnePlus 15
Asus Zenfone 9
Release date
October 28, 2025
September 15, 2022
SAR (Head)
N/A
1.56 W/kg
SAR (Body)
N/A
1.29 W/kg
Dust & Water resistance
IP68/IP69K
Operating system
OxygenOS 16
Android 12

Security

Feature
OnePlus 15
Asus Zenfone 9
Has a fingerprint scanner
Yes
Yes
Has an advanced face scanner
N/A
No

Specification Note

Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.

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