The iPhone X is smaller than the iPhone 8 Plus, but it's actually the largest iPhone screen Apple has ever made (AAPL)

iPhone X

The iPhone model with the largest screen is the iPhone X, which has a 5.8-inch screen measured on the diagonal.
But the iPhone X is smaller than the iPhone 8 Plus, despite having a larger screen.

Should you buy an iPhone X?

It's a tricky question if you're in the market — the iPhone X is pricey, starting at $999, and Apple's other phones like the iPhone 8 are just as fast.

But there's one big reason why the iPhone X may make Apple's other iPhones seem old and outdated: its screen.

The iPhone X actually features Apple's biggest phone display, measuring 5.8-inches on the diagonal, which is even bigger than the display on Apple's largest iPhone, the iPhone 8 Plus, which measures at 5.5-inches.

It turns out that the iPhone X has the largest iPhone screen that Apple's ever made.

But because the iPhone X has a design that stretches the display from corner to corner — except for the sensor housing at the top — the overall size of the iPhone X is smaller than the iPhone 8 Plus. It's closer in size to the iPhone 8.

Here's the iPhone X matched up against the iPhone 8 Plus, which is much larger despite having a smaller screen:

iPhone X

Of course, Apple will also point out that the iPhone X screen is using a new technology, called OLED, instead of the LCD screens that other iPhones use. The iPhone X screen also has a higher resolution than the iPhone 8 Plus, which helps make details look sharper when viewed close up.

In a few minutes playing around with an iPhone X, I found the screen to bright and colorful. It looked like a better screen than my iPhone 7. It's a nice screen.

It's also the biggest iPhone screen you can buy.

You can read Business Insider's Steve Kovach on his early impressions after using the iPhone X for a day right here.

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