Apple has updated its iMac lineup with a new 27-inch iMac with Retina 5K display, which takes the crown as the ultimate iMac.

Let's take a look at the hardware specification for this machine.

As the name suggests, the new iMac with Retina 5K display is built around a 5K display. This 27-inch panel has a resolution of 5,120 by 2,880, making it the world's highest resolution display.

Image: Apple

That's a total of 14.7 million pixels. And all that in a display only 5mm thin.

Inside the new iMac with Retina 5K display is Intel's new fourth-generation Core processors, with the lineup starting with the 3.5GHz Core i5 (Turbo Boost up to 3.9GHz), and going up to the 4.0GHz Core i7 (Turbo Boost up to 4.4GHz). for an additional $250 The top-end spec offers 3.5 teraflops of compute power.

The new iMacs also feature AMD Radeon R9 M290X graphics processor with 2GB of GDDR5 memory, with an option to upgrade to AMD Radeon R9 M295X with 4GB of GDDR5 memory for an additional $250.

The systems also start with 8GB of 1600MHz DDR3 RAM, and can be upgraded to either 16GB or 32GB as an option for an additional $200 and $600 respectively.

Storage options are as follows:

1TB Fusion drive (default)

3TB Fusion drive (+$300)

256GB PCI-e flash storage

512GB PCI-e flash storage ($300)

1TB of PCE-e flash storage ($800)

The iMac with Retina 5K display simultaneously supports full native resolution on the built-in display and up to 3840 by 2160 pixels on an external display via the Thunderbolt port, which means you have plenty of space to get work done.

On the connectivity front, here's how the new iMac with Retina 5K display is kitted out:

802.11ac Wi-Fi

Bluetooth 4.0

Headphone port

SDXC card slot

Four USB 3 ports (compatible with USB 2)

Two Thunderbolt 2 ports

10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)

Kensington lock slot

Prices start at $2,499 for the base model, and upgrading the system to the 4GHz Core i7, adding 32GB of RAM, the AMD Radeon R9 M295X with 4GB of GDDR5 memory and a 1TB PCI-e flash storage takes this up to $4,399.

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