Apple on Wednesday updated its entire iMac product line, adding the new Core 2 Duo Intel processor. In addition to the updated processors, Apple has launched a new model that features a 24-inch widescreen display.

The new iMac lineup includes four models: a 1.83GHz and a 2GHz 17-inch, a 2.16GHz 20-inch and the all-new 2.16GHz 24-inch iMac. According to Apple, the new iMac delivers 50 per cent better performance than the previous iMac.

The 24-inch iMac features a 24-inch widescreen LCD display with a 1,920-x-1,200 pixel resolution that offers 30 per cent more screen real estate than the 20-inch model. In addition to the new processor, the 24-inch iMac also includes 4MB of shared L2 cache, 1GB of 667MHz DDR2 SDRAM memory, a 250GB Serial ATA hard drive, NVIDIA GeForce 7300 GT graphics with 128MB of GDDR3 memory and a SuperDrive.

Built to order options are also available for the 24-inch model. The new iMac can be configured with a 2.33GHz Intel Core 2 Duo processor, up to 3GB of 667MHz DDR2 SDRAM memory, a 500GB Serial ATA hard drive and the NVIDIA GeForce 7600 GT with 256MB of GDDR3 memory.

The 24-inch 2.16GHz iMac (£1,349 including VAT), 20-inch 2.16GHz iMac (£999 including VAT), 17-inch 2GHz iMac (£799 including VAT) and the 17-inch 1.83GHz iMac (£679 including VAT) are all available immediately.