iPhone 18 Pro Max vs iPhone 14 Pro Max size
The iPhone 18 Pro Max measures 163.4 x 78 x 8.75 mm and the iPhone 14 Pro Max measures 160.7 x 77.6 x 7.85 mm. The iPhone 18 Pro Max is the bigger phone. Its front covers 2.2% more area than the iPhone 14 Pro Max.
- iPhone 18 Pro Max249 g163.4 x 78 x 8.8 mm
- iPhone 14 Pro Max240 g160.7 x 77.6 x 7.9 mm
Outlines are drawn from published dimensions. Screen and camera shapes are simplified.
How the iPhone 18 Pro Max measures up
| Spec | iPhone 18 Pro Max | iPhone 14 Pro Max | Difference |
|---|---|---|---|
| Height | 163.4 mm 6.43 in | 160.7 mm 6.33 in | +2.7 mm (+1.7%) |
| Width | 78 mm 3.07 in | 77.6 mm 3.06 in | +0.4 mm (+0.5%) |
| Thickness | 8.75 mm 0.34 in | 7.85 mm 0.31 in | +0.9 mm (+11.5%) |
| Weight | 249 g 8.8 oz | 240 g 8.5 oz | +9 g (+3.8%) |
| Screen | 6.9 in | 6.7 in | +0.2 in (+3.0%) |
| Front footprint | 127.5 cm² | 124.7 cm² | +2.7 cm² (+2.2%) |
What the difference feels like
The two are within 0.4 mm of each other in width, which is the measurement your grip notices most, so they should feel close to the same in the hand.
In a jeans pocket the iPhone 18 Pro Max sits 2.7 mm higher, about 0.11 inches.
The iPhone 18 Pro Max is 0.9 mm thicker. Manufacturers measure thickness without the camera bump, so the real difference at the camera can be larger.
The iPhone 18 Pro Max is 9 g heavier, which most people will not notice day to day.
Common questions
Is the iPhone 18 Pro Max bigger than the iPhone 14 Pro Max?
The iPhone 18 Pro Max is the bigger phone. Its front covers 2.2% more area than the iPhone 14 Pro Max. Height differs by 2.7 mm and width by 0.4 mm.
Will a iPhone 14 Pro Max case fit the iPhone 18 Pro Max?
No. A case is cut for one model's exact size, buttons and camera, and these two differ by 2.7 mm in height and 0.4 mm in width. Buy a case made for the iPhone 18 Pro Max.
Which is easier to use with one hand?
The iPhone 14 Pro Max, because it is 0.4 mm narrower. Width matters more than height for reaching across the screen with your thumb.
Cases and prices
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Sources
- iPhone 18 Pro Max: manufacturer spec page
- iPhone 14 Pro Max: manufacturer spec page
See each phone's page for the full spec: iPhone 18 Pro Max and iPhone 14 Pro Max.