Spec cross-check · 2026-10-14
iPhone 15 vs iPhone 18 Pro
iPhone 15 vs iPhone 18 Pro lines up the September 2023 iPhone 15 with the September 2026 iPhone 18 Pro. The spec score is a weighted share of comparable published rows. Manufacturer spec sheets are the source.
iPhone 18 Pro leads iPhone 15 vs iPhone 18 Pro on the weighted spec sheet, ahead on display, chip, storage, and camera hardware.
Spec sheet
| Spec | iPhone 15 | iPhone 18 Pro |
|---|---|---|
| Display | 6.1-inch Super Retina XDR OLED, 2556×1179, 460 ppi, 60Hz, 2,000 nits peak | 6.3-inch Super Retina XDR OLED, 2622×1206, 460 ppi, 120Hz, 3,000 nits peak, always-onLeads |
| Chip | A16 Bionic | A20 ProLeads |
| Memory | Not published | Not published |
| Storage | 128GB, 256GB, 512GB | 256GB, 512GB, 1TB, 2TBLeads |
| Camera hardware | 48MP f/1.6 main, 12MP ultrawide, 2x optical-quality crop | 48MP main with variable aperture f/1.48–f/4, 48MP ultrawide, 48MP 4x optical telephoto (8x optical-quality)Leads |
| Optical zoom | No optical telephoto | 4xLeads |
| Front camera | 12MP | 18MP Center Stage |
| Battery | up to 20 hours video playback | up to 36 hours video playbackLeads |
| Charging | 50% in about 30 minutes with a 20W or higher adapter. MagSafe up to 15W | 50% in about 15 minutes wired. 50% in 30 minutes wirelessLeads |
| Weight | 171 gLeads | 211 g |
| Water resistance | IP68Tie | IP68Tie |
| Software support | Apple does not publish a fixed OS support window | Apple does not publish a fixed OS support window |
| Launch price | $799 launch priceLeads | $1,199 launch price |
| Software | iOS 17 at launch | iOS 27 |
| Biometrics | Face ID | Face ID |
| Connectivity | USB-C, 5G, Wi-Fi 6E, Bluetooth 5.3 | USB-C, 5G (C2 modem), Wi-Fi 7, Bluetooth 6, Thread |
Who should buy which
Choose the iPhone 15 if you want iOS 17 at launch. It leads on weight and launch price.
Choose the iPhone 18 Pro if you want iOS 27. It leads on display, chip, storage, camera hardware, optical zoom, battery, and charging.
Questions
Which is better, iPhone 15 or iPhone 18 Pro?
iPhone 18 Pro leads iPhone 15 vs iPhone 18 Pro on the weighted spec sheet, ahead on display, chip, storage, and camera hardware.
iPhone 15 vs iPhone 18 Pro: which has the better battery?
iPhone 18 Pro leads on battery. iPhone 15: up to 20 hours video playback. iPhone 18 Pro: up to 36 hours video playback.
iPhone 15 vs iPhone 18 Pro: which has the better camera?
iPhone 18 Pro leads on camera hardware. iPhone 15: 48MP f/1.6 main, 12MP ultrawide, 2x optical-quality crop. iPhone 18 Pro: 48MP main with variable aperture f/1.48–f/4, 48MP ultrawide, 48MP 4x optical telephoto (8x optical-quality). This rank is hardware class, not a photo lab test.
What did iPhone 15 and iPhone 18 Pro cost at launch?
iPhone 15 leads on launch price. iPhone 15: $799 launch price. iPhone 18 Pro: $1,199 launch price.
Sources
- Apple iPhone 15 technical specifications
- Apple iPhone 18 Pro technical specifications
- Apple newsroom, September 9, 2026