iphonesize

iPhone 17 vs iPhone 8 Plus

Quick answer

The iPhone 8 Plus is 6.6 millimetres0.26 inches wider and 25 grams0.88 ounces heavier than the iPhone 17.

The iPhone 17 on Amazon (paid link) packs a larger display into a narrower chassis, while the iPhone 8 Plus (paid link) is locked to an old software version with no future updates. You will notice the battery difference immediately, as the newer model lasts significantly longer without needing a midday charge. At nearly nine hundred dollars new versus a hundred for renewed, the choice is between modern performance and budget nostalgia.

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Easier one-handediPhone 17

PocketiPhone 17

Weight differenceNoticeable

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HeightWidthDepthWeight17149.6 millimetres5.89 inches71.5 millimetres2.81 inches7.95 millimetres0.31 inches177 grams6.24 ounces8 Plus158.4 millimetres, 8.8 millimetres more6.24 inches, 0.35 inches more78.1 millimetres, 6.6 millimetres more3.07 inches, 0.26 inches more7.50 millimetres, 0.45 millimetres less0.30 inches, 0.02 inches less202 grams, 25 grams more7.13 ounces, 0.88 ounces more

Height: 17 149.6 millimetres, 8 Plus 158.4 millimetres.Height: 17 5.89 inches, 8 Plus 6.24 inches.Width: 17 71.5 millimetres, 8 Plus 78.1 millimetres.Width: 17 2.81 inches, 8 Plus 3.07 inches.Depth: 17 7.95 millimetres, 8 Plus 7.50 millimetres.Depth: 17 0.31 inches, 8 Plus 0.30 inches.Weight: 17 177 grams, 8 Plus 202 grams.Weight: 17 6.24 ounces, 8 Plus 7.13 ounces.

Specifications

Specifications for iPhone 17, iPhone 8 Plus. Differences are given against iPhone 17.
Specification178 Plus
Height149.6 millimetres5.89 inches158.4 millimetres, 8.8 millimetres more6.24 inches, 0.35 inches more
Width71.5 millimetres2.81 inches78.1 millimetres, 6.6 millimetres more3.07 inches, 0.26 inches more
Depth7.95 millimetres0.31 inches7.50 millimetres, 0.45 millimetres less0.30 inches, 0.02 inches less
Weight177 grams6.24 ounces202 grams, 25 grams more7.13 ounces, 0.88 ounces more
Volume85.0 cubic centimetres5.19 cubic inches92.8 cubic centimetres, 7.7 cubic centimetres more5.66 cubic inches, 0.47 cubic inches more
Screen-to-body — Active display area over body area. Our own estimate, not an Apple figure.90 percent67 percent, 23 percent less
Display size — Screen size is always quoted in inches.6.3 inches5.5 inches, 0.8 inches less
Resolution1206 × 26221080 × 1920
Pixel density460 pixels per inch401 pixels per inch, 59 pixels per inch less
CutoutDynamic IslandNone
Rear main48MP12MP
Rear ultra-wide——
Rear telephoto——
Front camera12MP7MP
ChipA19A11 Bionic
Video playback — Apple's rated hours of video playback. Apple does not publish battery capacity.30 hrs14 hrs
PortUSB-CLightning
Wireless5G · Wi-Fi · Bluetooth4G LTE · Wi-Fi · Bluetooth
Water resistanceIP68 (6m for 30 min)IP67 (1m for 30 min)
Storage256 – 512 GB64 – 256 GB
Launch price — Base configuration at launch, in US dollars.799 dollars799 dollars, the same
ReleasedSep 2025Sep 2017
StatusCurrentLegacy

Dimensions

The iPhone 8 Plus is 8.8 mm (0.35 in) taller, 6.6 mm (0.26 in) wider, 0.45 mm (0.02 in) thinner and 25 g (0.88 oz) heavier than the iPhone 17. The iPhone 17 measures 149.6 × 71.5 × 7.95 mm (5.89 × 2.81 × 0.31 in) and weighs 177 g (6.24 oz). The iPhone 8 Plus measures 158.4 × 78.1 × 7.50 mm (6.24 × 3.07 × 0.30 in) and weighs 202 g (7.13 oz).

Also compared with iPhone 17

Questions about these phones

How much bigger is iPhone 8 Plus than iPhone 17?

iPhone 8 Plus is 8.8 mm taller and 6.6 mm wider than iPhone 17. The volume of iPhone 8 Plus is larger by 7.7 cm3.

Is iPhone 17 lighter than iPhone 8 Plus?

Yes, iPhone 17 weighs 177 g while iPhone 8 Plus weighs 202 g. The 25 g difference is noticeable when holding both phones.

Which phone has a bigger screen iPhone 17 or iPhone 8 Plus?

iPhone 17 has a 6.3 inch display compared to 5.5 inches on iPhone 8 Plus. The screen to body ratio is also higher on iPhone 17.

Is iPhone 17 easier to use one handed?

iPhone 17 is easier to use one handed due to the narrower width and lighter weight. iPhone 17 is better suited for small hands than iPhone 8 Plus.

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

Both iPhone 17 and iPhone 8 Plus fit in a typical men's jeans pocket. A median women's jeans pocket does not fit either model.

Is upgrading from iPhone 8 Plus to iPhone 17 worth it for size?

An upgrade provides a smaller footprint and lighter weight despite the larger screen. The size change makes iPhone 17 more pocketable and easier to handle.