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iPhone 18 Pro Max vs iPhone 7 Plus

Quick answer

The iPhone 7 Plus is 1.45 millimetres0.06 inches thinner and 61 grams2.15 ounces lighter than the iPhone 18 Pro Max.

The iPhone 7 Plus on Amazon (paid link) is stuck on iOS 15, so it will struggle with newer apps sooner rather than later. The iPhone 18 Pro Max (paid link) runs the current OS and delivers multi-day stamina in a package that feels substantial in hand. Pay the premium for a device that will still be supported in three years.

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Easier one-handediPhone 7 Plus

PocketiPhone 7 Plus

Weight differenceNoticeable

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HeightWidthDepthWeight18 Pro Max163.4 millimetres6.43 inches78.0 millimetres3.07 inches8.75 millimetres0.34 inches249 grams8.78 ounces7 Plus158.2 millimetres, 5.2 millimetres less6.23 inches, 0.20 inches less77.9 millimetres, 0.1 millimetres less3.07 inches, the same7.30 millimetres, 1.45 millimetres less0.29 inches, 0.06 inches less188 grams, 61 grams less6.63 ounces, 2.15 ounces less

Height: 18 Pro Max 163.4 millimetres, 7 Plus 158.2 millimetres.Height: 18 Pro Max 6.43 inches, 7 Plus 6.23 inches.Width: 18 Pro Max 78.0 millimetres, 7 Plus 77.9 millimetres.Width: 18 Pro Max 3.07 inches, 7 Plus 3.07 inches.Depth: 18 Pro Max 8.75 millimetres, 7 Plus 7.30 millimetres.Depth: 18 Pro Max 0.34 inches, 7 Plus 0.29 inches.Weight: 18 Pro Max 249 grams, 7 Plus 188 grams.Weight: 18 Pro Max 8.78 ounces, 7 Plus 6.63 ounces.

Specifications

Specifications for iPhone 18 Pro Max, iPhone 7 Plus. Differences are given against iPhone 18 Pro Max.
Specification18 Pro Max7 Plus
Height163.4 millimetres6.43 inches158.2 millimetres, 5.2 millimetres less6.23 inches, 0.20 inches less
Width78.0 millimetres3.07 inches77.9 millimetres, 0.1 millimetres less3.07 inches, the same
Depth8.75 millimetres0.34 inches7.30 millimetres, 1.45 millimetres less0.29 inches, 0.06 inches less
Weight249 grams8.78 ounces188 grams, 61 grams less6.63 ounces, 2.15 ounces less
Volume111.5 cubic centimetres6.81 cubic inches90.0 cubic centimetres, 21.6 cubic centimetres less5.49 cubic inches, 1.32 cubic inches less
Screen-to-body — Active display area over body area. Our own estimate, not an Apple figure.91 percent68 percent, 23 percent less
Display size — Screen size is always quoted in inches.6.9 inches5.5 inches, 1.4 inches less
Resolution1320 × 28681080 × 1920
Pixel density460 pixels per inch401 pixels per inch, 59 pixels per inch less
CutoutDynamic IslandNone
Rear main48MP Fusion, variable aperture f/1.48-f/4.012MP
Rear ultra-wide48MP Fusion f/2.2—
Rear telephoto48MP Fusion 100mm (4x optical, 8x optical-quality)—
Front camera18MP Center Stage f/1.97MP
ChipA20 ProA10 Fusion
Video playback — Apple's rated hours of video playback. Apple does not publish battery capacity.45 hrs14 hrs
PortUSB-CLightning
Wireless5G · Wi-Fi 7 · Bluetooth 6 · Apple C2 modem4G LTE · Wi-Fi · Bluetooth
Water resistanceIP68 (6m for 30 min)IP67 (1m for 30 min)
Storage256 GB – 2 TB32 – 256 GB
Launch price — Base configuration at launch, in US dollars.1,299 dollars769 dollars, 530 dollars less
ReleasedSep 2026Sep 2016
StatusCurrentLegacy

Dimensions

The iPhone 7 Plus is 5.2 mm (0.20 in) shorter, 0.1 mm narrower, 1.45 mm (0.06 in) thinner and 61 g (2.15 oz) lighter than the iPhone 18 Pro Max. The iPhone 18 Pro Max measures 163.4 × 78.0 × 8.75 mm (6.43 × 3.07 × 0.34 in) and weighs 249 g (8.78 oz). The iPhone 7 Plus measures 158.2 × 77.9 × 7.30 mm (6.23 × 3.07 × 0.29 in) and weighs 188 g (6.63 oz).

Questions about these phones

How much taller is the iPhone 18 Pro Max than the iPhone 7 Plus?

The iPhone 18 Pro Max is 5.2 mm taller than the iPhone 7 Plus. The iPhone 18 Pro Max also measures 0.1 mm wider and 1.45 mm thicker.

Is the iPhone 18 Pro Max heavier than the iPhone 7 Plus?

Yes, the iPhone 18 Pro Max weighs 61 g more than the iPhone 7 Plus. This weight difference is noticeable in daily use.

What is the screen size difference between the iPhone 18 Pro Max and iPhone 7 Plus?

The iPhone 18 Pro Max has a 6.9 inch display while the iPhone 7 Plus has a 5.5 inch display. The iPhone 18 Pro Max offers 1.4 inches more screen area.

Which phone is easier to use with one hand?

The iPhone 7 Plus is easier to use with one hand compared to the iPhone 18 Pro Max. The iPhone 7 Plus fits better in an average adult hand due to smaller dimensions.

Do these phones fit in a typical men's jeans pocket?

Both the iPhone 18 Pro Max and the iPhone 7 Plus fit in a typical men's jeans pocket. The iPhone 7 Plus is more pocketable overall.

Is upgrading from the iPhone 7 Plus to the iPhone 18 Pro Max worth it for size?

Yes, the size only upgrade is worth it if you want a larger screen and longer battery life. The iPhone 18 Pro Max provides a massive leap in support and battery.