iPhone 18 Pro vs iPhone 8 Plus
Quick answer
The iPhone 8 Plus is 6.2 millimetres0.24 inches wider and 8.4 millimetres0.33 inches taller than the iPhone 18 Pro.
The iPhone 8 Plus on Amazon (paid link) no longer gets iOS updates, so it is stuck on an older version and should be skipped entirely. The iPhone 18 Pro (paid link) is newly released with a smaller body that fits better in one hand and battery that simply lasts longer. This is the year to move to a phone that will support new apps for years to come.
Paid link.
Easier one-handed: iPhone 18 Pro
Pocket: iPhone 18 Pro
Weight difference: Not noticeable
iPhone 18 Pro
from $1,199 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)iPhone 8 Plus
from $799 at launch.
Launch price, not a live Amazon price.
Check price on Amazon Renewed (paid link)
Paid link.
TRUE SCALE · 1.4 PX/MM
TRUE SCALE · 2.1 PX/MM
Hand: US Army ANSUR II, 2012 (sex-balanced median). Pockets: The Pudding, 2018. Card: ISO/IEC 7810 ID-1.
iPhone 18 Pro: 150 by 71.9 by 8.75 millimetres, 211 grams. iPhone 8 Plus: 158.4 by 78.1 by 7.5 millimetres, 202 grams.
18 Pro, 8 Plus shown at 2.1 pixels per millimetre.
iPhone 18 Pro
from $1,199 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)iPhone 8 Plus
from $799 at launch.
Launch price, not a live Amazon price.
Check price on Amazon Renewed (paid link)
Paid link.
Height: 18 Pro 150.0 millimetres, 8 Plus 158.4 millimetres.Height: 18 Pro 5.91 inches, 8 Plus 6.24 inches.Width: 18 Pro 71.9 millimetres, 8 Plus 78.1 millimetres.Width: 18 Pro 2.83 inches, 8 Plus 3.07 inches.Depth: 18 Pro 8.75 millimetres, 8 Plus 7.50 millimetres.Depth: 18 Pro 0.34 inches, 8 Plus 0.30 inches.Weight: 18 Pro 211 grams, 8 Plus 202 grams.Weight: 18 Pro 7.44 ounces, 8 Plus 7.13 ounces.
Specifications
| Specification | 18 Pro | 8 Plus |
|---|---|---|
| Height | 150.0 millimetres5.91 inches | 158.4 millimetres, 8.4 millimetres more6.24 inches, 0.33 inches more |
| Width | 71.9 millimetres2.83 inches | 78.1 millimetres, 6.2 millimetres more3.07 inches, 0.24 inches more |
| Depth | 8.75 millimetres0.34 inches | 7.50 millimetres, 1.25 millimetres less0.30 inches, 0.05 inches less |
| Weight | 211 grams7.44 ounces | 202 grams, 9 grams less7.13 ounces, 0.32 ounces less |
| Volume | 94.4 cubic centimetres5.76 cubic inches | 92.8 cubic centimetres, 1.6 cubic centimetres less5.66 cubic inches, 0.10 cubic inches less |
| Screen-to-body — Active display area over body area. Our own estimate, not an Apple figure. | 89 percent | 67 percent, 22 percent less |
| Display size — Screen size is always quoted in inches. | 6.3 inches | 5.5 inches, 0.8 inches less |
| Resolution | 1206 × 2622 | 1080 × 1920 |
| Pixel density | 460 pixels per inch | 401 pixels per inch, 59 pixels per inch less |
| Cutout | Dynamic Island | None |
| Rear main | 48MP Fusion, variable aperture f/1.48-f/4.0 | 12MP |
| Rear ultra-wide | 48MP Fusion f/2.2 | — |
| Rear telephoto | 48MP Fusion 100mm (4x optical, 8x optical-quality) | — |
| Front camera | 18MP Center Stage f/1.9 | 7MP |
| Chip | A20 Pro | A11 Bionic |
| Video playback — Apple's rated hours of video playback. Apple does not publish battery capacity. | 36 hrs | 14 hrs |
| Port | USB-C | Lightning |
| Wireless | 5G · Wi-Fi 7 · Bluetooth 6 · Apple C2 modem | 4G LTE · Wi-Fi · Bluetooth |
| Water resistance | IP68 (6m for 30 min) | IP67 (1m for 30 min) |
| Storage | 256 GB – 2 TB | 64 – 256 GB |
| Launch price — Base configuration at launch, in US dollars. | 1,199 dollars | 799 dollars, 400 dollars less |
| Released | Sep 2026 | Sep 2017 |
| Status | Current | Legacy |
Dimensions
The iPhone 8 Plus is 8.4 mm (0.33 in) taller, 6.2 mm (0.24 in) wider, 1.25 mm (0.05 in) thinner and 9 g (0.32 oz) lighter than the iPhone 18 Pro. The iPhone 18 Pro measures 150.0 × 71.9 × 8.75 mm (5.91 × 2.83 × 0.34 in) and weighs 211 g (7.44 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 18 Pro
- iPhone 18 Pro vs iPhone 17 Pro
- iPhone 18 Pro vs iPhone 18 Pro Max
- iPhone 18 Pro vs iPhone 16 Pro
- iPhone 18 Pro vs iPhone Duo
- iPhone 18 Pro vs iPhone 17 Air
- iPhone 18 Pro vs iPhone 17
- iPhone 18 Pro vs iPhone 17e
- iPhone 18 Pro vs iPhone 16 Plus
- iPhone 18 Pro vs iPhone 16
- iPhone 18 Pro vs iPhone 16e
- iPhone 18 Pro vs iPhone 17 Pro Max
- iPhone 18 Pro vs iPhone 16 Pro Max
Questions about these phones
How much bigger is the iPhone 8 Plus than the iPhone 18 Pro?
The iPhone 8 Plus is 8.4 mm taller and 6.2 mm wider than the iPhone 18 Pro. It also has a slightly larger overall volume despite being thinner.
What is the screen size difference between the iPhone 18 Pro and iPhone 8 Plus?
The iPhone 18 Pro has a 6.3 inch display while the iPhone 8 Plus has a 5.5 inch display. This makes the iPhone 18 Pro screen about 0.8 inches larger.
Which phone is easier to use one handed?
The iPhone 18 Pro is easier to use one handed compared to the iPhone 8 Plus. It is also better suited for smaller hands.
Do these phones fit in a typical jeans pocket?
The iPhone 18 Pro is more pocketable than the iPhone 8 Plus. Both fit in a typical men's jeans pocket but neither fits in a typical women's jeans pocket.
Is there a noticeable weight difference between the iPhone 18 Pro and iPhone 8 Plus?
The iPhone 8 Plus is 9 grams lighter than the iPhone 18 Pro. This weight difference is not considered noticeable.
Is the size difference alone worth upgrading from the iPhone 8 Plus to the iPhone 18 Pro?
Upgrading from the iPhone 8 Plus to the iPhone 18 Pro is worth it for the size difference alone. The iPhone 18 Pro is smaller and lighter despite having a larger screen.