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iPhone 16 vs iPhone 17: is a used 16 the smarter buy?

Everything that changed between the 16 and the 17, what it costs to have it, and whether a QDN Certified 16 with a 15-month warranty is the better deal.

The short answer

Apple sells the iPhone 17 new from $799. A QDN Certified 16 starts at $658, so you keep about $141 in your pocket. For that you give up a newer chip, the bigger screen and the 120 Hz display. If none of those changes how you use a phone, the 16 is the smarter buy; it still runs the current iOS and comes with a 15-month warranty, which is longer than Apple's standard one year on the 17.

iPhone 16
iPhone 16
iPhone 17
iPhone 17

iPhone 16

QDN Certified, 15-month warranty

from $658$799

4 in stock · launched at $799

Shop used 16

iPhone 17

New from Apple and carriers

$799

Apple’s launch price. Not sold by QDN.

What actually differs

Only the rows where the two phones are not identical. A tick marks the side that wins the row.

  • The 17 runs the A19, a generation ahead of the A18. Day to day both feel quick; the gap shows in games, video export and how many years of iOS updates lie ahead.

    17 wins

  • The 17 has the bigger screen, 6.3″ against 6.1″. Bigger is better for video and reading; smaller is easier one-handed.

    17 wins

  • The 17 has a 120 Hz ProMotion display; the 16 is 60 Hz. Scrolling and animation look noticeably smoother at 120 Hz, and the always-on display comes with it.

    17 wins

  • Cameras: the 16 has 48 MP main, 12 MP ultra wide; the 17 has 48 MP main, 48 MP ultra wide.

    17 wins

  • Battery: Apple rates the 17 at up to 30 hours of video playback against 22 for the 16. On a used phone the listing's battery health matters as much as this number.

    17 wins

iPhone 16 vs iPhone 17: full spec sheet

Apple’s published specifications. Highlighted rows differ.

iPhone 16iPhone 17
Released
20242025
Display
6.1″, 60 Hz, Dynamic Island6.3″, 120 Hz ProMotion, Dynamic Island
Chip
A18A19
RAM
8 GB (reported; Apple does not publish it)8 GB (reported; Apple does not publish it)
Rear cameras
2: 48 MP main · 12 MP ultra wide2: 48 MP main · 48 MP ultra wide
Optical zoom
No telephoto lensNo telephoto lens
Battery
Up to 22 h video playback (Apple's figure, new battery)Up to 30 h video playback (Apple's figure, new battery)
Charging port
USB-CUSB-C
Frame
AluminumAluminum
Weight
170 g177 g
5G
YesYes
Satellite SOS
YesYes
Apple Intelligence
YesYes
Action button
YesYes
Camera Control
YesYes
Apple launch price
$799$799

iPhone 16 vs iPhone 17: common questions

What is the biggest difference between the iPhone 16 and the iPhone 17?

The 17 runs the A19, a generation ahead of the A18. Day to day both feel quick; the gap shows in games, video export and how many years of iOS updates lie ahead.

Is the iPhone 17 worth the extra over the iPhone 16?

Apple sells the iPhone 17 new from $799. A QDN Certified 16 starts at $658, so you keep about $141 in your pocket. For that you give up a newer chip, the bigger screen and the 120 Hz display. If none of those changes how you use a phone, the 16 is the smarter buy; it still runs the current iOS and comes with a 15-month warranty, which is longer than Apple's standard one year on the 17.

Which has the better camera, the iPhone 16 or the iPhone 17?

Cameras: the 16 has 48 MP main, 12 MP ultra wide; the 17 has 48 MP main, 48 MP ultra wide.

Which has the better battery?

Battery: Apple rates the 17 at up to 30 hours of video playback against 22 for the 16. On a used phone the listing's battery health matters as much as this number.

Do both support Apple Intelligence?

Yes, both the iPhone 16 and the iPhone 17 support Apple Intelligence.

Does QDN sell the iPhone 17?

Not yet. We sell QDN Certified pre-owned iPhones from the iPhone 13 to the iPhone 16 Pro Max. The iPhone 17 appears here so you can see exactly what a used 16 gives up against Apple's current line-up.

Related comparisons

Used iPhone 16 from $658

Each QDN listing is one specific phone: storage, colour and battery health shown up front. Inspected, unlocked, 15-month warranty, free US shipping.

  • 15-month warranty
  • Free US shipping
  • Case, protector & cable included