Apple · 2026
iPhone Duo
Height
117.8mm
Width
84.1mm
Thickness
11.3mm
Weight
254g
Compare phone sizes
⌘K
Selected devices (2 of 2)
Apple · 2026
iPhone 18 Pro
Height
150.0mm
Width
71.9mm
Thickness
8.8mm
Weight
211g
Full specifications
Device summary
Apple
iPhone Duo
Apple
iPhone 18 Pro
Full specifications
| Basic information | ||
|---|---|---|
| Release year | 2026 | 2026 |
| Starting price | $1,999 | $1,199 |
| Display size | 5.4-inch | 6.3-inch |
| Dimensions | 84.1 mm × 117.8 mm × 11.3 mm | 71.9 mm × 150.0 mm × 8.8 mm |
| Weight | 254 g | 211 g |
| Front material | Ceramic Shield 2 | Ceramic Shield 2 |
| Back material | Ceramic Shield | Ceramic Shield |
| Display | ||
| Cover display size | 5.4" | — |
| Display technology | Super Retina XDR OLED | Super Retina XDR OLED |
| Cover display technology | Super Retina XDR OLED | — |
| Resolution | 1878 × 2670 | 2622 × 1206 |
| Cover resolution | 1398 × 2034 | — |
| Refresh rate | 120 Hz | 120 Hz |
| Cover refresh rate | 120 Hz | — |
| Peak brightness | 3000 nits | 3000 nits |
| Protection | Ceramic Shield 2 | Ceramic Shield 2 |
| Performance | ||
| Chipset | Apple A20 Pro | Apple A20 Pro |
| CPU | 6-core CPU with 2 super cores and 4 efficiency cores | 6-core CPU with 2 super cores and 4 efficiency cores |
| GPU | 7-core GPU with Neural Accelerators | 7-core GPU with Neural Accelerators |
| Storage | 256 GB, 512 GB, 1024 GB, 2048 GB | 256 GB, 512 GB, 1024 GB, 2048 GB |
| Expandable storage | No | No |
| Cameras | ||
| Main camera | Fusion Main · 48 MP · ƒ/1.6 · 26 mm · Sensor-shift OIS | Fusion Main · 48 MP · ƒ/1.48–ƒ/4.0 · 24 mm · Second-generation sensor-shift OIS |
| Ultra-wide camera | Fusion Ultra Wide · 48 MP · ƒ/2.2 · 13 mm | Fusion Ultra Wide · 48 MP · ƒ/2.2 · 13 mm |
| Telephoto camera | — | Fusion Telephoto · 48 MP · ƒ/2.8 · 100 mm · 4× optical zoom · 3D sensor-shift OIS |
| Front cameras | Outer Center Stage · 12 MP · ƒ/2.2; Inner under-display FaceTime · ƒ/1.8 | Center Stage · 18 MP · ƒ/1.9 |
| Video recording | 4K Dolby Vision up to 120 fps | 4K Dolby Vision up to 120 fps, ProRes up to 4K at 120 fps |
| Battery & charging | ||
| Wireless charging | 25 W | 25 W |
| Charging standard | USB-C, MagSafe up to 25W, Qi2 up to 25W | USB-C, MagSafe up to 25W, Qi2 up to 25W |
| Video playback (Manufacturer claim) | 31 h | 36 h |
| Streamed video (Manufacturer claim) | — | 33 h |
| Battery type | Dual built-in rechargeable lithium-ion | Built-in rechargeable lithium-ion |
| Connectivity | ||
| Cellular | 5G (sub-6 GHz and mmWave), Gigabit LTE | 5G (sub-6 GHz and mmWave), Gigabit LTE |
| Wi‑Fi | Wi‑Fi 7 (802.11be) | Wi‑Fi 7 (802.11be) |
| Bluetooth | Bluetooth 6 | Bluetooth 6 |
| USB | USB-C (USB 3, up to 10Gb/s) | USB-C (USB 3, up to 10Gb/s) |
| NFC | Yes | Yes |
| eSIM | Yes | Yes |
| Satellite | Emergency SOS via satellite | Emergency SOS via satellite |
| Build & durability | ||
| Frame | Titanium | Aluminum unibody |
| Ingress protection | IP68 | IP68 |
| Basic information | ||
|---|---|---|
| Release year | 2026 | 2026 |
| Starting price | $1,999 | $1,199 |
| Display size | 5.4-inch | 6.3-inch |
| Dimensions | 84.1 mm × 117.8 mm × 11.3 mm | 71.9 mm × 150.0 mm × 8.8 mm |
| Weight | 254 g | 211 g |
| Front material | Ceramic Shield 2 | Ceramic Shield 2 |
| Back material | Ceramic Shield | Ceramic Shield |
| Display | ||
| Cover display size | 5.4" | — |
| Display technology | Super Retina XDR OLED | Super Retina XDR OLED |
| Cover display technology | Super Retina XDR OLED | — |
| Resolution | 1878 × 2670 | 2622 × 1206 |
| Cover resolution | 1398 × 2034 | — |
| Refresh rate | 120 Hz | 120 Hz |
| Cover refresh rate | 120 Hz | — |
| Peak brightness | 3000 nits | 3000 nits |
| Protection | Ceramic Shield 2 | Ceramic Shield 2 |
| Performance | ||
| Chipset | Apple A20 Pro | Apple A20 Pro |
| CPU | 6-core CPU with 2 super cores and 4 efficiency cores | 6-core CPU with 2 super cores and 4 efficiency cores |
| GPU | 7-core GPU with Neural Accelerators | 7-core GPU with Neural Accelerators |
| Storage | 256 GB, 512 GB, 1024 GB, 2048 GB | 256 GB, 512 GB, 1024 GB, 2048 GB |
| Expandable storage | No | No |
| Cameras | ||
| Main camera | Fusion Main · 48 MP · ƒ/1.6 · 26 mm · Sensor-shift OIS | Fusion Main · 48 MP · ƒ/1.48–ƒ/4.0 · 24 mm · Second-generation sensor-shift OIS |
| Ultra-wide camera | Fusion Ultra Wide · 48 MP · ƒ/2.2 · 13 mm | Fusion Ultra Wide · 48 MP · ƒ/2.2 · 13 mm |
| Telephoto camera | — | Fusion Telephoto · 48 MP · ƒ/2.8 · 100 mm · 4× optical zoom · 3D sensor-shift OIS |
| Front cameras | Outer Center Stage · 12 MP · ƒ/2.2; Inner under-display FaceTime · ƒ/1.8 | Center Stage · 18 MP · ƒ/1.9 |
| Video recording | 4K Dolby Vision up to 120 fps | 4K Dolby Vision up to 120 fps, ProRes up to 4K at 120 fps |
| Battery & charging | ||
| Wireless charging | 25 W | 25 W |
| Charging standard | USB-C, MagSafe up to 25W, Qi2 up to 25W | USB-C, MagSafe up to 25W, Qi2 up to 25W |
| Video playback (Manufacturer claim) | 31 h | 36 h |
| Streamed video (Manufacturer claim) | — | 33 h |
| Battery type | Dual built-in rechargeable lithium-ion | Built-in rechargeable lithium-ion |
| Connectivity | ||
| Cellular | 5G (sub-6 GHz and mmWave), Gigabit LTE | 5G (sub-6 GHz and mmWave), Gigabit LTE |
| Wi‑Fi | Wi‑Fi 7 (802.11be) | Wi‑Fi 7 (802.11be) |
| Bluetooth | Bluetooth 6 | Bluetooth 6 |
| USB | USB-C (USB 3, up to 10Gb/s) | USB-C (USB 3, up to 10Gb/s) |
| NFC | Yes | Yes |
| eSIM | Yes | Yes |
| Satellite | Emergency SOS via satellite | Emergency SOS via satellite |
| Build & durability | ||
| Frame | Titanium | Aluminum unibody |
| Ingress protection | IP68 | IP68 |
Sources and measurement notes
Sizometry compares published specifications and calculates differences. These are not hands-on measurements or tests of comfort, performance or pocket fit.
iPhone Duo
- Specification reference (www.apple.com)
- Product reference (www.apple.com)
iPhone 18 Pro
- Specification reference (www.apple.com)
- Product reference (www.apple.com)
Check the exact model, year, region and configuration in the manufacturer’s specifications. References may cover several variants. Folded and unfolded dimensions differ; cases and camera protrusions may change the space a device needs. Drawings share a relative scale and are not calibrated to life size on your screen.
Size in everyday life
Picture it in your front pocket.
2018 US jeans study · 20 brands · 80 pairs · Approx. 32-inch waists
iPhone Duo
iPhone 18 Pro
Key differences
The most meaningful measured gaps in size and weight — not an overall winner.
Height
iPhone 18 Pro
32.2 mm taller
Width
iPhone Duo
12.2 mm wider
Weight
iPhone 18 Pro
43 g lighter
Thickness
iPhone 18 Pro
2.6 mm thinner
What these size differences mean
Calculated from the dimensions shown, rounded to 0.1 mm and 1 g. Percentages use the smaller measurement as the reference. Fold and rotation settings affect the dimensions compared.
- iPhone Duo is 12.2 mm (17% relative to iPhone 18 Pro) wider. Check this difference against the width of your current device and pocket opening.
- iPhone 18 Pro is 32.2 mm (27.3% relative to iPhone Duo) taller. This describes the body outline; screen diagonal alone does not tell you the overall size.
- iPhone Duo is 2.5 mm (28.4% relative to iPhone 18 Pro) thicker. Cases and camera protrusions can change the clearance you need.
- iPhone 18 Pro is 43 g lighter. This is the listed device-weight difference, not a measured comfort rating.
Use these figures to compare physical size. They do not establish one-handed reach, pocket fit, durability or an overall winner.
How to compare phone sizes
Search for your current phone and the model you are considering. Use side-by-side view to compare their outlines, or overlay them to see the difference in height and width. Switch to thickness or weight to compare those measurements separately. You can compare two devices at a time.
Screen size or body size?
Screen size is the diagonal of the display. Two phones with the same screen diagonal can have different body widths and heights. Check body dimensions when deciding whether an upgrade will feel larger.
Are the outlines life-size?
Devices share a relative scale so you can compare their proportions. Their physical size on your screen depends on your display and zoom; use the measurements in millimetres for the actual dimensions. Cases and camera protrusions can change the fit.
Will a phone fit in a pocket?
The pocket view is a visual reference based on a jeans study, not a guarantee of fit. Pocket openings, fabric, cases and clothing sizes vary. Compare the listed phone dimensions with your own pocket.
Where do the measurements come from?
Device pages include specifications and source links. Preview models label estimated information separately; check those labels before treating an unreleased device’s dimensions as final.