iPhone 12 Pro vs iPhone 18 Pro
Quick answer
The iPhone 18 Pro is 1.35 millimetres0.05 inches thicker and 22 grams0.78 ounces heavier than the iPhone 12 Pro.
The iPhone 18 Pro on Amazon (paid link) lasts far longer between charges and features a smoother screen, though its frame is only marginally larger than the 12 Pro (paid link). Both devices run the current iOS, but only the newer model includes advanced AI tools and a full warranty. If battery life is your priority, the 18 Pro wins; otherwise, the 12 Pro offers similar value for less.
Paid link.
Easier one-handed: iPhone 12 Pro
Pocket: iPhone 12 Pro
Weight difference: Noticeable
iPhone 12 Pro
from $999 at launch.
Launch price, not a live Amazon price.
Check price on Amazon Renewed (paid link)iPhone 18 Pro
from $1,199 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)
Paid link.
TRUE SCALE · 1.4 PX/MM
TRUE SCALE · 2.2 PX/MM
Hand: US Army ANSUR II, 2012 (sex-balanced median). Pockets: The Pudding, 2018. Card: ISO/IEC 7810 ID-1.
iPhone 12 Pro: 146.7 by 71.5 by 7.4 millimetres, 189 grams. iPhone 18 Pro: 150 by 71.9 by 8.75 millimetres, 211 grams.
12 Pro, 18 Pro shown at 2.2 pixels per millimetre.
iPhone 12 Pro
from $999 at launch.
Launch price, not a live Amazon price.
Check price on Amazon Renewed (paid link)iPhone 18 Pro
from $1,199 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)
Paid link.
Height: 12 Pro 146.7 millimetres, 18 Pro 150.0 millimetres.Height: 12 Pro 5.78 inches, 18 Pro 5.91 inches.Width: 12 Pro 71.5 millimetres, 18 Pro 71.9 millimetres.Width: 12 Pro 2.81 inches, 18 Pro 2.83 inches.Depth: 12 Pro 7.40 millimetres, 18 Pro 8.75 millimetres.Depth: 12 Pro 0.29 inches, 18 Pro 0.34 inches.Weight: 12 Pro 189 grams, 18 Pro 211 grams.Weight: 12 Pro 6.67 ounces, 18 Pro 7.44 ounces.
Specifications
| Specification | 12 Pro | 18 Pro |
|---|---|---|
| Height | 146.7 millimetres5.78 inches | 150.0 millimetres, 3.3 millimetres more5.91 inches, 0.13 inches more |
| Width | 71.5 millimetres2.81 inches | 71.9 millimetres, 0.4 millimetres more2.83 inches, 0.02 inches more |
| Depth | 7.40 millimetres0.29 inches | 8.75 millimetres, 1.35 millimetres more0.34 inches, 0.05 inches more |
| Weight | 189 grams6.67 ounces | 211 grams, 22 grams more7.44 ounces, 0.78 ounces more |
| Volume | 77.6 cubic centimetres4.74 cubic inches | 94.4 cubic centimetres, 16.7 cubic centimetres more5.76 cubic inches, 1.02 cubic inches more |
| Screen-to-body — Active display area over body area. Our own estimate, not an Apple figure. | 86 percent | 89 percent, 3 percent more |
| Display size — Screen size is always quoted in inches. | 6.1 inches | 6.3 inches, 0.2 inches more |
| Resolution | 1170 × 2532 | 1206 × 2622 |
| Pixel density | 460 pixels per inch | 460 pixels per inch, the same |
| Cutout | Notch | Dynamic Island |
| Rear main | 48MP | 48MP Fusion, variable aperture f/1.48-f/4.0 |
| Rear ultra-wide | — | 48MP Fusion f/2.2 |
| Rear telephoto | — | 48MP Fusion 100mm (4x optical, 8x optical-quality) |
| Front camera | 12MP | 18MP Center Stage f/1.9 |
| Chip | A14 Bionic | A20 Pro |
| Video playback — Apple's rated hours of video playback. Apple does not publish battery capacity. | 17 hrs | 36 hrs |
| Port | Lightning | USB-C |
| Wireless | 5G · Wi-Fi 6 · Bluetooth 5.0 | 5G · Wi-Fi 7 · Bluetooth 6 · Apple C2 modem |
| Water resistance | IP68 (6m for 30 min) | IP68 (6m for 30 min) |
| Storage | 128 – 512 GB | 256 GB – 2 TB |
| Launch price — Base configuration at launch, in US dollars. | 999 dollars | 1,199 dollars, 200 dollars more |
| Released | Oct 2020 | Sep 2026 |
| Status | Legacy | Current |
Dimensions
The iPhone 18 Pro is 3.3 mm (0.13 in) taller, 0.4 mm (0.02 in) wider, 1.35 mm (0.05 in) thicker and 22 g (0.78 oz) heavier than the iPhone 12 Pro. The iPhone 12 Pro measures 146.7 × 71.5 × 7.40 mm (5.78 × 2.81 × 0.29 in) and weighs 189 g (6.67 oz). 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).
Also compared with iPhone 12 Pro
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- iPhone 12 Pro vs iPhone 17
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Questions about these phones
How much bigger is the iPhone 18 Pro than the iPhone 12 Pro?
The iPhone 18 Pro is 3.3 mm taller, 0.4 mm wider, and 22 grams heavier than the iPhone 12 Pro.
Is the iPhone 18 Pro heavier than the iPhone 12 Pro?
The iPhone 18 Pro weighs 22 grams more than the iPhone 12 Pro at 211 grams versus 189 grams.
Which phone has a bigger screen between the iPhone 12 Pro and iPhone 18 Pro?
The iPhone 18 Pro has a 6.3 inch display while the iPhone 12 Pro has a 6.1 inch display.
Is the iPhone 12 Pro easier to use one-handed than the iPhone 18 Pro?
The iPhone 12 Pro is easier to use one-handed and better for small hands than the iPhone 18 Pro.
Does the iPhone 18 Pro fit in a typical men's jeans pocket better than the iPhone 12 Pro?
Both phones fit in a typical men's jeans pocket but the iPhone 12 Pro is more pocketable than the iPhone 18 Pro.
Is it worth upgrading from the iPhone 12 Pro to the iPhone 18 Pro for size alone?
The size difference alone does not make upgrading from the iPhone 12 Pro to the iPhone 18 Pro worth it.