iPhone 8 Plus vs iPhone Duo
Quick answer
The iPhone Duo is 40.6 millimetres1.60 inches shorter and 52 grams1.83 ounces heavier than the iPhone 8 Plus.
The iPhone Duo is 86.5 millimetres3.41 inches wider and 40.6 millimetres1.60 inches shorter than the iPhone 8 Plus.
The iPhone 8 Plus on Amazon (paid link) has already stopped receiving updates, so you get stuck on its last version no matter what. The iPhone Duo (paid link) arrives fresh today with a foldable design, massive battery life, and full access to the latest system. For a modern experience that won't age out soon, pay for the Duo; save money on the 8 Plus only if you accept the limitations.
Paid link.
Easier one-handed: Unclear
Pocket: iPhone 8 Plus
Weight difference: Noticeable
iPhone 8 Plus
from $799 at launch.
Launch price, not a live Amazon price.
Check price on Amazon Renewed (paid link)iPhone DuoiPhone Duo
from $1,999 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)
Paid link.
TRUE SCALE · 1.2 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 8 Plus: 158.4 by 78.1 by 7.5 millimetres, 202 grams. iPhone Duo: 117.8 by 84.1 by 11.3 millimetres, 254 grams.iPhone 8 Plus: 158.4 by 78.1 by 7.5 millimetres, 202 grams. iPhone Duo: 117.8 by 164.6 by 5.2 millimetres, 254 grams.
8 Plus, Duo shown at 2.1 pixels per millimetre.
iPhone 8 Plus
from $799 at launch.
Launch price, not a live Amazon price.
Check price on Amazon Renewed (paid link)iPhone DuoiPhone Duo
from $1,999 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)
Paid link.
Height: 8 Plus 158.4 millimetres, Duo 117.8 millimetres.Height: 8 Plus 6.24 inches, Duo 4.64 inches.Width: 8 Plus 78.1 millimetres, Duo 84.1 millimetres.Width: 8 Plus 3.07 inches, Duo 3.31 inches.Depth: 8 Plus 7.50 millimetres, Duo 11.30 millimetres.Depth: 8 Plus 0.30 inches, Duo 0.44 inches.Weight: 8 Plus 202 grams, Duo 254 grams.Weight: 8 Plus 7.13 ounces, Duo 8.96 ounces.
Height: 8 Plus 158.4 millimetres, Duo 117.8 millimetres.Height: 8 Plus 6.24 inches, Duo 4.64 inches.Width: 8 Plus 78.1 millimetres, Duo 164.6 millimetres.Width: 8 Plus 3.07 inches, Duo 6.48 inches.Depth: 8 Plus 7.50 millimetres, Duo 5.20 millimetres.Depth: 8 Plus 0.30 inches, Duo 0.20 inches.Weight: 8 Plus 202 grams, Duo 254 grams.Weight: 8 Plus 7.13 ounces, Duo 8.96 ounces.
Specifications
| Specification | 8 Plus | Duo |
|---|---|---|
| Height | 158.4 millimetres6.24 inches158.4 millimetres6.24 inches | 117.8 millimetres, 40.6 millimetres less4.64 inches, 1.60 inches less117.8 millimetres, 40.6 millimetres less4.64 inches, 1.60 inches less |
| Height, open | — | 117.8 millimetres4.64 inches |
| Height, closed | — | 117.8 millimetres4.64 inches |
| Width | 78.1 millimetres3.07 inches78.1 millimetres3.07 inches | 84.1 millimetres, 6.0 millimetres more3.31 inches, 0.24 inches more164.6 millimetres, 86.5 millimetres more6.48 inches, 3.41 inches more |
| Width, open | — | 164.6 millimetres6.48 inches |
| Width, closed | — | 84.1 millimetres3.31 inches |
| Depth | 7.50 millimetres0.30 inches7.50 millimetres0.30 inches | 11.30 millimetres, 3.80 millimetres more0.44 inches, 0.15 inches more5.20 millimetres, 2.30 millimetres less0.20 inches, 0.09 inches less |
| Depth, open | — | 5.20 millimetres0.20 inches |
| Depth, closed | — | 11.30 millimetres0.44 inches |
| Weight | 202 grams7.13 ounces202 grams7.13 ounces | 254 grams, 52 grams more8.96 ounces, 1.83 ounces more254 grams, 52 grams more8.96 ounces, 1.83 ounces more |
| Volume | 92.8 cubic centimetres5.66 cubic inches92.8 cubic centimetres5.66 cubic inches | 111.9 cubic centimetres, 19.2 cubic centimetres more6.83 cubic inches, 1.17 cubic inches more100.8 cubic centimetres, 8.0 cubic centimetres more6.15 cubic inches, 0.49 cubic inches more |
| Screen-to-body — Active display area over body area. Our own estimate, not an Apple figure. | 67 percent67 percent | 89 percent, 21 percent more90 percent, 23 percent more |
| Display size — Screen size is always quoted in inches. | 5.5 inches5.5 inches | 5.4 inches, 0.1 inches less7.6 inches, 2.1 inches more |
| Resolution | 1080 × 19201080 × 1920 | 1398 × 20341878 × 2670 |
| Pixel density | 401 pixels per inch401 pixels per inch | 460 pixels per inch, 59 pixels per inch more430 pixels per inch, 29 pixels per inch more |
| Cutout | NoneNone | Dynamic IslandNone |
| Rear main | 12MP12MP | 48MP Fusion f/1.648MP Fusion f/1.6 |
| Rear ultra-wide | —— | 48MP Ultra Wide f/2.248MP Ultra Wide f/2.2 |
| Rear telephoto | —— | —— |
| Front camera | 7MP7MP | 12MP Center Stage f/2.2 (outer), under-display FaceTime f/1.8 (inner)12MP Center Stage f/2.2 (outer), under-display FaceTime f/1.8 (inner) |
| Chip | A11 BionicA11 Bionic | A20 ProA20 Pro |
| Video playback — Apple's rated hours of video playback. Apple does not publish battery capacity. | 14 hrs14 hrs | 44 hrs31 hrs |
| Port | LightningLightning | USB-CUSB-C |
| Wireless | 4G LTE · Wi-Fi · Bluetooth4G LTE · Wi-Fi · Bluetooth | 5G · Wi-Fi 7 · Bluetooth 6 · Apple C2 modem5G · Wi-Fi 7 · Bluetooth 6 · Apple C2 modem |
| Water resistance | IP67 (1m for 30 min)IP67 (1m for 30 min) | IP68 (6m for 30 min)IP68 (6m for 30 min) |
| Storage | 64 – 256 GB64 – 256 GB | 256 GB – 2 TB256 GB – 2 TB |
| Launch price — Base configuration at launch, in US dollars. | 799 dollars799 dollars | 1,999 dollars, 1200 dollars more1,999 dollars, 1200 dollars more |
| Released | Sep 2017Sep 2017 | Oct 2026Oct 2026 |
| Status | LegacyLegacy | CurrentCurrent |
Dimensions
The iPhone Duo (closed) is 40.6 mm (1.60 in) shorter, 6.0 mm (0.24 in) wider, 3.80 mm (0.15 in) thicker and 52 g (1.83 oz) heavier than the iPhone 8 Plus. 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). The iPhone Duo (closed) measures 117.8 × 84.1 × 11.30 mm (4.64 × 3.31 × 0.44 in) and weighs 254 g (8.96 oz). The iPhone Duo (open) measures 117.8 × 164.6 × 5.20 mm (4.64 × 6.48 × 0.20 in) and weighs 254 g (8.96 oz).
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Questions about these phones
How does the iPhone Duo size compare to the iPhone 8 Plus?
The iPhone Duo is 6.0 mm wider and 40.6 mm shorter than the iPhone 8 Plus. The iPhone Duo is also 52 g heavier.
Which phone fits better in a typical men's jeans pocket?
The iPhone 8 Plus fits in a typical men's jeans pocket while the iPhone Duo does not. This makes the iPhone 8 Plus more pocketable.
Is the weight difference between the iPhone Duo and iPhone 8 Plus noticeable?
The iPhone Duo weighs 254 g compared to the iPhone 8 Plus at 202 g. The verdict notes this weight difference is noticeable.
Which phone is better for small hands?
The iPhone Duo is better for small hands due to its shorter height. However, one-handed ease is unclear according to the page verdicts.
How do the screen sizes of the iPhone Duo and iPhone 8 Plus compare?
The iPhone Duo has a 5.4 inch display while the iPhone 8 Plus has a 5.5 inch display. The difference is less than 0.1 inches.
Is upgrading from the iPhone 8 Plus to the iPhone Duo worth it for size only?
The page verdict states that a size only upgrade is not worth it. The iPhone Duo is shorter but wider and heavier than the iPhone 8 Plus.