YOU’RE splashing up to $1249 for Apple’s latest, shiny iPhone.

But an external research firm, IHS Technology, estimates it costs Apple $226.21 for materials and manufacturing to make the iPhone 6. IHS says it costs Apple $243.74 to make the iPhone Plus.

That’s like a mark-up of 500 per cent on the Plus 128GB version.

The tech company is also selling its largest iPhone is selling for $113 more than its other new model, but IHS estimated that it costs Apple only $17.50 more to make the more expensive version.

In Australia, the 128GB iPhone 6 Plus retails for $1249 while the cheapest version, the iPhone 6 16GB will set you back $869.

Apple said it sold more than 10 million of the new iPhone 6 and iPhone 6 Plus models in their first three days on sale. Both have larger screens than earlier iPhone models, and analysts say consumers like the new, bigger sizes. The Plus has a 5.5-inch screen, as measured diagonally, while the regular iPhone 6 is at 4.7 inches.

The new iPhones went on sale Friday and address a key advantage rival Android phones have long had: size. The iPhone has been Apple’s main source of profits and is expected to remain so for at least the next year.

Apple didn’t immediately respond to a request for comment on the report. The company usually won’t disclose details of its manufacturing costs.