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Apple iPhone 15 Plus vs Apple iPhone 18 Air

Compare Apple iPhone 15 Plus vs Apple iPhone 18 Air side by side: Apple A16 Bionic vs Apple A20 Pro (2nm TSMC), 48MP vs 48MP camera, 4383mAh vs 3400mAh…

Apple iPhone 15 Plus official product image

Apple

iPhone 15 Plus

$899

4categories won

Apple iPhone 18 Air official product image

Apple

iPhone 18 Air

$1,199

14categories won

3 categories tied · 21 scored in total · add a third phone

Information Gain

Which one wins?

MxMob Algorithmic Verdict

Apple iPhone 18 Air takes the overall win

Overall Pick

The Apple iPhone 18 Air proves superior overall against the Apple iPhone 15 Plus, outperforming on gaming and photography. For battery longevity and charging speed, the iPhone 15 Plus takes the lead, while the iPhone 18 Air is the clear choice for demanding 3D gaming and heavy multitasking. Choose the iPhone 18 Air if you want the highest performance ceiling, or opt for the iPhone 15 Plus if its lower retail price better fit your budget.

🔋 BatteryiPhone 15 Plus

iPhone 15 Plus wins on endurance with 4,383 mAh and 20W fast charging.

🎮 GamingiPhone 18 Air

iPhone 18 Air provides greater sustained gaming output with its Apple A20 Pro (2nm TSMC) and 12GB RAM.

📸 CameraiPhone 18 Air

iPhone 18 Air takes photography with 48MP optics.

🏷️ ValueiPhone 15 Plus

iPhone 15 Plus provides a sharper value proposition, coming in at $899 vs $1199.

Category verdicts are computed algorithmically from verified technical specifications and hardware benchmarks. Rows where neither figure is objectively better — screen size preference, operating system choice, aesthetic build materials — are displayed for direct reference without scoring bias.

iPhone 15 Plus vs iPhone 18 Air: specifications compared

Display

Display comparison between the Apple iPhone 15 Plus, Apple iPhone 18 Air
SpecificationiPhone 15 PlusiPhone 18 Air
Screen size
6.7"
6.6"
Resolution
1290 x 2796Winner
1260 x 2740
Pixel density
460 ppi
457 ppi
Refresh rate
60 Hz
120 HzWinner
Peak brightness
2000 nits
3000 nitsWinner

Performance

Performance comparison between the Apple iPhone 15 Plus, Apple iPhone 18 Air
SpecificationiPhone 15 PlusiPhone 18 Air
Chipset
Apple A16 Bionic
Apple A20 Pro (2nm TSMC)
Process node
4 nm
2 nmWinner
AnTuTu score
1,390,000
3,200,000Winner
Geekbench multi
6680
10800Winner
Maximum RAM
6 GB
12 GBWinner
Maximum storage
512GB
1TBWinner

Camera

Camera comparison between the Apple iPhone 15 Plus, Apple iPhone 18 Air
SpecificationiPhone 15 PlusiPhone 18 Air
Main sensor
48 MP
48 MP
Rear cameras
2Winner
1
Ultrawide
12 MP
48 MPWinner
Selfie camera
12 MP
24 MPWinner
Max video
4K at 60fps Dolby Vision HDR
8K at 30fps / 4K at 120fps

Battery and charging

Battery and charging comparison between the Apple iPhone 15 Plus, Apple iPhone 18 Air
SpecificationiPhone 15 PlusiPhone 18 Air
Capacity
4,383 mAhWinner
3,400 mAh
Wired charging
20 W
35 WWinner
Wireless charging
15 W
20 WWinner

Design

Design comparison between the Apple iPhone 15 Plus, Apple iPhone 18 Air
SpecificationiPhone 15 PlusiPhone 18 Air
Weight
201 g
148 gWinner
Thickness
7.8 mm
5.5 mmWinner
Water resistance
IP68
IP68
Build
Aluminum frame, Ceramic Shield front, color-infused matte glass back
Grade 5 Titanium frame, Ceramic Glass front and back

Software and support

Software and support comparison between the Apple iPhone 15 Plus, Apple iPhone 18 Air
SpecificationiPhone 15 PlusiPhone 18 Air
Operating system
iOS 17
iOS 20
OS updates
6 years
7 yearsWinner
Security updates
7 years
7 years

Connectivity and value

Connectivity and value comparison between the Apple iPhone 15 Plus, Apple iPhone 18 Air
SpecificationiPhone 15 PlusiPhone 18 Air
5G
Yes
Yes
Wi-Fi
Wi-Fi 6 (802.11ax)
Wi-Fi 7 (802.11be, tri-band 2.4/5/6GHz, 320MHz bandwidth)
Storage expansion
None
None
3.5mm jack
No
No
Launch price
$899Winner
$1,199

Apple iPhone 15 Plus

Pairing the expansive 6.7-inch Super Retina XDR OLED with a massive 4383mAh battery cell, the iPhone 15 Plus reigns as one of the longest-lasting smartphones on the market, backed by a 48MP main sensor and USB-C port.

Display
6.7"
Chipset
Apple A16 Bionic
Main camera
48MP
Battery
4,383mAh
Full iPhone 15 Plus specifications →

Apple iPhone 18 Air

The iPhone 18 Air is Apple’s thinnest, lightest smartphone ever made. Measuring just 5.5mm thin and weighing a feathery 148g, it integrates a full 6.6-inch 120Hz ProMotion panel, 2nm A20 Pro performance, and a single versatile 48MP Fusion camera.

Display
6.6"
Chipset
Apple A20 Pro (2nm TSMC)
Main camera
48MP
Battery
3,400mAh
Full iPhone 18 Air specifications →

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