iPhone Diff

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iPhone XS came out in September 2018. iPhone 8 Plus came out in September 2017, 1 year later. iPhone XS stopped getting new iOS versions at iOS 18. iPhone 8 Plus stopped getting new iOS versions at iOS 16.7.16.

Note on iPhone 8 Plus: Apple's announcement listed only the combined starting price; $799 for 64 GB is widely reported. 7.5 W wireless needs iOS 11.2 or later.

Updates & AI

iOS 18 → iOS 16.7.16

Varies by storage, color or model — see Apple's list

Screen

OLED → LCD

5.5 in screen, Home button

Price check

8 Plus launched at $799

Not currently sold refurbished by Apple.

Updates & AI1 loss · 1 change
  • Latest iOS

    iOS 18›iOS 16.7.16

    What does this mean?

    iOS is the software that runs the iPhone: the home screen, the built-in apps, the settings and the security protection. Apple releases a new version every September.

    A phone on the newest iOS gets new features every year and regular security fixes. A phone stuck on an older version keeps working, but it no longer gets new features, and after a while it stops getting security fixes too.

    Matters most if: You use banking, payment or work apps. They are usually the first to require a recent iOS.

    More in the glossary →

  • Apple repair support

    Vintage: limited repairs›Varies by storage, color or model — see Apple's list

    What does this mean?

    Apple counts from when it stopped selling the model, not from its release date. Vintage: Apple stopped selling it 5 to 7 years ago; repairs only while parts last. Obsolete: over 7 years ago; Apple no longer repairs it.

    Checked against Apple's vintage and obsolete products list on 2026-10-11.

Price1 change

Price check

iPhone 8 Plus — launched at $799

What your iPhone XS sells for

Links open in a new tab. Prices are set by each seller and change daily.

  • Launch price (US)

    $999›$799−$200

    What does this mean?

    The price Apple charged in the US on launch day, for the lowest storage option, before tax.

    This is not what the phone costs today. Older models drop in price over time, so check the used and refurbished links for current prices.

Screen2 losses · 1 change
  • Screen size

    5.8 in›5.5 in

    What does this mean?

    Screen size measured corner to corner, in inches. One inch is 2.54 cm.

    A bigger screen is easier to read and better for video, but the phone is larger and heavier. A smaller phone is easier to use with one hand and fits more pockets.

  • Screen type

    OLED›LCD

    What does this mean?

    LCD screens use a light behind the whole screen. OLED screens have pixels that each make their own light and can switch off completely.

    OLED shows true black, higher contrast and richer colors, and is easier to read in the dark. LCD blacks look dark gray. Both are perfectly usable.

    More in the glossary →

  • Top of the screen

    Notch›Home button

    What does this mean?

    What sits at the top of the front. Home button: a round button under the screen. Notch: a black cut-out at the top of the screen for the front camera. Dynamic Island: a smaller pill-shaped cut-out that turns into live information.

    Dynamic Island shows timers, music, deliveries, calls and directions in that space, and you can tap it to jump back into the app. Phones with a home button have a smaller screen for the same body size.

    More in the glossary →

Design & buttons4 changes
  • Unlock

    Face ID›Touch ID

    What does this mean?

    How you unlock the phone. Face ID recognizes your face. Touch ID reads your fingerprint.

    Face ID works just by looking at the phone, even in the dark. Touch ID works well with a mask on, but needs a dry, clean finger.

    More in the glossary →

  • Weight

    177 g›202 g

    What does this mean?

    Weight in grams. 100 grams is about 3.5 ounces.

    Around 30 grams difference is noticeable when holding the phone for a long time, lying down, or in a shirt pocket. Bigger batteries and screens add weight.

  • Frame

    Stainless steel›Glass and aluminum

    What does this mean?

    The material around the edge of the phone.

    Aluminum is light and spreads heat well. Stainless steel is shiny and heavy. Titanium is strong and light. Day to day, most people notice the weight more than the material, and many use a case anyway.

    More in the glossary →

  • Water resistance

    IP68 (2 m)›IP67 (1 m)

    What does this mean?

    IP stands for Ingress Protection, a standard rating for how well something keeps out dust and water. The first number is dust (6 is the highest), the second is water. IP67 survives 1 meter for 30 minutes. IP68 goes deeper; Apple lists the tested depth in meters.

    Rain, spills and a quick drop in the sink are fine on all of these. Protection wears down over the years, and Apple does not cover water damage under warranty, so swimming with the phone is still not a good idea.

    More in the glossary →

Chip & storage2 changes
  • Chip

    A12 Bionic›A11 Bionic

    What does this mean?

    The chip is the phone's brain. It runs every app, processes photos and handles the AI features.

    A newer chip makes the phone faster, keeps it fast for more years, and decides which new features it can get. Apple Intelligence, for example, only works on recent models.

    More in the glossary →

  • Storage options

    64 GB, 256 GB, 512 GB›64 GB, 256 GB

    What does this mean?

    Storage is where your photos, videos, apps and messages are kept. 1 TB (terabyte) is 1,024 GB.

    iPhones have no memory card slot, so you cannot add storage later. As a rough guide, 128 GB fills up fast if you shoot a lot of video. 256 GB suits most people.

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