The Core i5 iMac also has more memory and more storage space than the 2.66GHz Quad-Core Mac Pro, while being $500 less (plus you get a 27-inch screen with the iMac).

At the heart of this iMac is a 3.1GHz Core i5 quad-core processor. This iMac also has a 1TB 7200-rpm hard drive, and AMD Radeon HD 6970M graphics with 1GB of video memory.

Only slightly slower than the blazing Core i7 iMac, this Core i5-based 27-incher runs Windows and OS X, but you don't get extras like multitouch, Blu-ray, or a TV tuner.

The Core i5 3.1GHz iMac scored 9149, with particularly strong scores in processor categories. In contrast, last year's iMac – with a 2.93GHz Core i7 processor, ...

We review the latest addition to Apple's iMac line, which features a 27-inch display, Intel Core i5 processor and pixel-pushing ATI Radeon HD 5750.

My iMac is suddenly making lots of noise, even though activity monitor shows zero CPU use. iStat Pro says the CPU fan is running at 1600 RPM, while hard drive fan is at 1200 RPM and optical drive ...

The Apple iMac 27-inch (Core i5) gives you speedy quad-core power, better 3D and the same large screen as its previous iteration, for a couple hundred bucks less.

The 21.5‑inch iMac, Magic Keyboard, Magic Mouse 2, Power cord, Lightning to USB Cable, and super duper Polishing Cloth is 27% off the RRP today only, as the deal ends at midnight Pacific Time.

The 2009 iMac is also notable for being the first iMac to come with a quad-core Intel CPU, with the 27-inch, 2.66 GHz Core i5 iMac topping the range at a cool $1,999 (just under $3,000 today).

The iMac with Retina 5K display starts at $2,500, which gets you a 3.5-GHz quad-core Intel Core i5 processor, 8GB of RAM, a 1TB Fusion Drive and an AMD Radeon R9 M290X GPU.

Apple's 2011 iMac refresh brought not only the Intel Sandy Bridge Core i5 and i7 processors we were expecting, but a pair of Thunderbolt ports (on the 27-inch model, at least; the 21.5-inch iMac ...

The Apple iMac 27-inch (Core i5) gives you speedy quad-core power, better 3D graphics, and the same large screen as the previous 27-inch (Core i7) for a couple hundred bucks less.