iPhone SE (2nd gen) vs iPhone 18 Pro
Quick answer
The iPhone 18 Pro is 11.6 millimetres0.46 inches taller and 63 grams2.22 ounces heavier than the iPhone SE (2nd gen).
The iPhone SE (2nd gen) on Amazon (paid link) is renewed and cheap, yet it relies on the oldest supported chip, so updates might run out next. The 18 Pro (paid link) just launched with vastly better battery and a brighter display, costing nearly a thousand more. Hold for the SE if budget rules, but the Pro is the safer long-term bet.
Paid link.
Easier one-handed: iPhone SE (2nd gen)
Pocket: iPhone SE (2nd gen)
Weight difference: Noticeable
iPhone SE (2nd gen)
from $399 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 SE (2nd gen): 138.4 by 67.3 by 7.3 millimetres, 148 grams. iPhone 18 Pro: 150 by 71.9 by 8.75 millimetres, 211 grams.
SE (2nd gen), 18 Pro shown at 2.2 pixels per millimetre.
iPhone SE (2nd gen)
from $399 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: SE (2nd gen) 138.4 millimetres, 18 Pro 150.0 millimetres.Height: SE (2nd gen) 5.45 inches, 18 Pro 5.91 inches.Width: SE (2nd gen) 67.3 millimetres, 18 Pro 71.9 millimetres.Width: SE (2nd gen) 2.65 inches, 18 Pro 2.83 inches.Depth: SE (2nd gen) 7.30 millimetres, 18 Pro 8.75 millimetres.Depth: SE (2nd gen) 0.29 inches, 18 Pro 0.34 inches.Weight: SE (2nd gen) 148 grams, 18 Pro 211 grams.Weight: SE (2nd gen) 5.22 ounces, 18 Pro 7.44 ounces.
Specifications
| Specification | SE (2nd gen) | 18 Pro |
|---|---|---|
| Height | 138.4 millimetres5.45 inches | 150.0 millimetres, 11.6 millimetres more5.91 inches, 0.46 inches more |
| Width | 67.3 millimetres2.65 inches | 71.9 millimetres, 4.6 millimetres more2.83 inches, 0.18 inches more |
| Depth | 7.30 millimetres0.29 inches | 8.75 millimetres, 1.45 millimetres more0.34 inches, 0.06 inches more |
| Weight | 148 grams5.22 ounces | 211 grams, 63 grams more7.44 ounces, 2.22 ounces more |
| Volume | 68.0 cubic centimetres4.15 cubic inches | 94.4 cubic centimetres, 26.4 cubic centimetres more5.76 cubic inches, 1.61 cubic inches more |
| Screen-to-body — Active display area over body area. Our own estimate, not an Apple figure. | 65 percent | 89 percent, 24 percent more |
| Display size — Screen size is always quoted in inches. | 4.7 inches | 6.3 inches, 1.6 inches more |
| Resolution | 750 × 1334 | 1206 × 2622 |
| Pixel density | 326 pixels per inch | 460 pixels per inch, 134 pixels per inch more |
| Cutout | None | 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 | A13 Bionic | A20 Pro |
| Video playback — Apple's rated hours of video playback. Apple does not publish battery capacity. | 13 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 | 64 – 256 GB | 256 GB – 2 TB |
| Launch price — Base configuration at launch, in US dollars. | 399 dollars | 1,199 dollars, 800 dollars more |
| Released | Apr 2020 | Sep 2026 |
| Status | Legacy | Current |
Dimensions
The iPhone 18 Pro is 11.6 mm (0.46 in) taller, 4.6 mm (0.18 in) wider, 1.45 mm (0.06 in) thicker and 63 g (2.22 oz) heavier than the iPhone SE (2nd gen). The iPhone SE (2nd gen) measures 138.4 × 67.3 × 7.30 mm (5.45 × 2.65 × 0.29 in) and weighs 148 g (5.22 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).
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Questions about these phones
How much bigger is the iPhone 18 Pro than the iPhone SE (2nd gen)?
The iPhone 18 Pro is 11.6 mm taller, 4.6 mm wider, and 1.45 mm thicker than the iPhone SE (2nd gen).
Is the iPhone 18 Pro heavier than the iPhone SE (2nd gen)?
Yes, the iPhone 18 Pro weighs 211 g while the iPhone SE (2nd gen) weighs 148 g, a difference of 63 g.
What is the screen size difference between these phones?
The iPhone 18 Pro has a 6.3 inch display compared to the 4.7 inch display on the iPhone SE (2nd gen).
Which phone is easier to use one-handed?
The iPhone SE (2nd gen) is easier to use one-handed than the iPhone 18 Pro because the iPhone SE (2nd gen) has smaller dimensions.
Do these phones fit in a typical men's jeans pocket?
Both the iPhone SE (2nd gen) and the iPhone 18 Pro fit in a typical men's jeans pocket.
Is the size increase worth it if I want a larger phone?
If you prioritize screen size, the iPhone 18 Pro offers a significant upgrade over the iPhone SE (2nd gen), but the iPhone 18 Pro is noticeably larger and heavier.