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Updated January 10, 2024·
If you prioritize a more advanced camera system, the Apple iPhone 15's camera is considered superior, offering better photo and video quality. However, if battery life is a significant concern, the Asus Zenfone 9 has a slightly longer battery life. The iPhone 15's screen is a bit bigger than the Zenfone 9, which might make for a better viewing experience but also means the phone is slightly heavier and larger. The Zenfone 9 offers a higher refresh rate, which can provide smoother scrolling and animation. In terms of materials, the iPhone boasts a glass back, which might feel more premium than the Zenfone's plastic back. The iPhone operates on iOS, and Asus uses Android, which could be a deciding factor based on your preference for a specific ecosystem. Keep in mind the iPhone comes at a premium price, so if budget is a key consideration, the less expensive Zenfone 9 might be more appealing. Give Feedback
this description is based on the product variant with some specs and product variant with some specs. At the time of writing, the variant with some specs cost some dollars and the variant with some specs cost some dollars.
Advantages of the Apple iPhone 15
- Very good for taking photos
- Excellent for recording videos
- Very good battery life
- Very good display quality
- Best in class performance
Advantages of the Asus Zenfone 9
- The Asus Zenfone 9 has no clear advantages over the Apple iPhone 15.
Key differences
Overall Camera Quality
8.6
6.2
The Apple iPhone 15 has very good overall camera quality, while the Asus Zenfone 9 has only fair overall camera quality.
The Apple iPhone 15 provides a superior selfie experience and overall camera performance with very good ratings in software experience, dynamic range, and low light capabilities, while the Asus Zenfone 9 has lower ratings in these categories, indicating a not as appealing selfie experience and less versatile camera performance.
Photo Quality
8.5
6.0
The Apple iPhone 15 takes very good photos, while the Asus Zenfone 9 takes only fair photos.
The Apple iPhone 15 captures better photos than the Asus Zenfone 9 due to its superior photos software experience, dynamic range, and low light performance, all of which contribute to higher quality images in various conditions. Additionally, the iPhone 15 has a higher selfie quality score, which means it takes better selfies compared to the Zenfone 9, which has a lower selfie quality score and performs poorly in dynamic range and low light settings.
Video Quality
9.1
6.4
The Apple iPhone 15 takes excellent videos, while the Asus Zenfone 9 takes only fair videos.
The Apple iPhone 15 produces superior videos compared to the Asus Zenfone 9 due to multiple factors, including better software experience, stabilization, dynamic range, low light performance, and microphone quality. While the iPhone 15 excels in every video-related aspect listed, the Zenfone 9 shows good video stabilization and a fair outcome in some areas like software experience and mic quality, but it doesn't match the iPhone 15's overall video capabilities.
Screen Size
The Apple iPhone 15 has a screen size of 6.1 inches and the Asus Zenfone 9 is 5.9 inches.
Cost
$799
$700
$200
$400
$600
$800
$1,000
$1,200
The Apple iPhone 15 has a price of $799 and the Asus Zenfone 9 costs $700.
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Key similarities
Battery
8.0 Hours
7.8 Hours
The Apple iPhone 15 has 8 hours of battery life. The Asus Zenfone 9 has 7.8 hours of battery life.
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How the Apple iPhone 15 and the Asus Zenfone 9 compare to other phones
Spec Comparison
 |  | |
| Apple iPhone 15 | Asus Zenfone 9 |
GENERAL | |||
|---|---|---|---|
| Price | |||
$799 | $700 | ||
Brand | |||
Brand | Apple | Asus | |
Operating System | |||
Operating System | iOS | Android | |
Release Date | |||
Release Date | September 22, 2023 | September 15, 2022 | |
SCREEN | |||
|---|---|---|---|
Screen Size | |||
Screen Size | 6.1" | 5.9" | |
Resolution | |||
Resolution | 2556 x 1179 | 2400 x 1080 | |
Variable refresh rate | |||
Variable refresh rate | No | No | |
Pixels Per Inch | |||
Pixels Per Inch | 461 | 445 | |
Display Type | |||
Display Type | OLED | OLED | |
INTERNAL | |||
|---|---|---|---|
Processor | |||
Processor | A16 | SD8+G1 | |
Internal Storage | |||
Internal Storage | 128 GB | 128 GB | |
RAM | |||
RAM | 6 GB | 6 GB | |
CAMERA | |||
|---|---|---|---|
Overall Camera Quality Score | |||
Overall Camera Quality Score | 8.7/10 | 6.3/10 | |
Photos Score | |||
Photos Score | 8.5/10 | 6/10 | |
Videos Score | |||
Videos Score | 9.2/10 | 6.5/10 | |
Rear Cameras | |||
Rear Cameras | Main, Ultrawide | Main, Ultrawide | |
Main Camera | |||
Main Camera | 48 megapixels + OIS | 50 megapixels + OIS | |
BATTERY | |||
|---|---|---|---|
Battery Life | |||
Battery Life | 8 Hours | 7.8 Hours | |
Battery Capacity | |||
Battery Capacity | 3349 mAh | 4300 mAh | |
Wireless Charging | |||
Wireless Charging | Yes | No | |
Wireless charging Speed | |||
Wireless charging Speed | 15 W | 0 W | |
Reverse wireless charging | |||
Reverse wireless charging | No | No | |
PHYSICAL | |||
|---|---|---|---|
Size | |||
Size | 5.81" x 2.82" | 5.77" x 2.68" | |
Weight | |||
Weight | 6.03 oz | 5.96 oz | |
Back Material | |||
Back Material | Glass | Plastic | |
Stereo Speakers | |||
Stereo Speakers | No | No | |
CONNECTIVITY | |||
|---|---|---|---|
Dual SIM | |||
Dual SIM | Yes | Yes | |
Bluetooth Version | |||
Bluetooth Version | 5.3 | 5.2 | |
A2DP | |||
A2DP | Yes | Yes | |
WiFi Version | |||
WiFi Version | 6 | 6e | |
NFC | |||
NFC | Yes | Yes | |
US 5G Bands | |||
US 5G Bands | (SA/NSA/Sub6/mmWave)1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 53, 66, 70, 71, 77, 78, 79, 258, 260, 261 (SA/NSA/Sub6)1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 53, 66, 70, 71, 75, 76, 77, 78, 79 | (SA/NSA/Sub6)1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 29, 30, 38, 40, 41, 48, 66, 71, 77, 78, 89 | |
OTHER FEATURES | |||
|---|---|---|---|
Biometric unlock | |||
Biometric unlock | Face unlock | Fingerprint sensor: Side | |
Unlockable Bootloader | |||
Unlockable Bootloader | No | No | |
Color | |||
Color | Yellow, Pink, Blue, Green, Black | Sunset Red, Starry Blue | |
Stock Android | |||
Stock Android | N/A | Yes | |
SD Card | |||
SD Card | No | No | |
Shopping
Apple iPhone 15
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Dig into reviews and images
TechRadar
Lance Ulanoff | September 2023
"Apple finally waves goodbye to the notch in favor of the Dynamic Island on all phones in its new lineup, and on the iPhone 15 that versatile screen technology is paired with new materials, lovely contoured edges, a powerful A16 Bionic CPU, and, yes, the new USB-C port. Even the photography has been leveled up, with a 48MP camera and new portrait processing capabilities."
Asus Zenfone 9
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Dig into reviews and images
Android Authority
Robert Triggs | March 2023
"The Asus Zenfone 9 is a compact device that still packs more than enough power under the hood. It's compact size, Bluetooth and audio features (including a headphone jack!), and hardware gestures combine to offer a package that does enough differently to warrant your attention."
Get a great deal on the Apple iPhone 15 or the Asus Zenfone 9
About Apple
The tech giant called Apple is synonymous with the most popular smartphone in the world: the iPhone. Known for their build quality and aesthetics, as well as for their excellent integration between hardware and software, iPhones have defined the smartphone industry ever since their conception and they continue to do so by setting new industry standards. Apple's own operating system, called iOS, is known for its simplicity and ease of use, and the company tends to complement it well by creating devices with some of the most powerful processing hardware available in the mobile world. The iPhone is also known for its robust ecosystem of accessories, as it facilitates a very seamless experience when interacting with other Apple products, more so than most of its competitors.
About ASUS
Asus is a well-known player in the mobile world, and in the past few years it has been known for covering specific niches in the smartphone market. Their Zenfone line of devices appeal to small phone enthusiasts, by providing very well-rounded and capable phones at a package that is not too large to operate with one hand – something hard to find in modern Android smartphones. Conversely, their ROG line of devices cater to mobile gamers, by providing a slew of hardware and software features, specifically tailored to enhance the mobile gaming experience. Additionally, Asus is one of the only manufacturers left that continues to include headphone jacks in their lineup of phones, a feature that has become exceedingly rare in today's market.
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This information was produced and vetted by the PerfectRec phones team. We are a product research and recommendation organization that meticulously reviews and evaluates the latest phone information and makes it digestible for you.
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About the phone team
Joe Golden, Ph.D
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Joe is an entrepreneur and lifelong electronics enthusiast with a Ph.D in Economics from the University of Michigan.
Jason Lew
Staff Expert & Software Engineer
Jason is a staff expert and software engineer that has been making laptop recommendations for 7 years and moderates one of the largest laptop subreddits.
Chandradeep Chowdhury
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Chandradeep is a staff expert and software engineer and expert in televisions and monitors. He’s been making monitor recommendations for ten years.
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Seth is a US-based product expert focusing on smartphones and he is a moderator of one of the largest smartphone subreddits. His tailored recommendations have helped him earn over 87k comment karma, putting him in the top 1% of Redditors.
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Phones Expert
Efthimis is a Greece-based product expert focusing on smartphones. He has been recommending phones for 4 years and his recommendations on Reddit have earned him over 35k karma.
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