Biyernes, Hunyo 26, 2015

OS X El Capitan beta references possible 4K Mac with quad-core Broadwell

The 27-inch 5K iMac was introduced in October and got a price cut in May, but it still hasn't been joined by a smaller, cheaper 4K iMac. According to references found in the latest OS X El Capitan developer beta, we may have one coming soon, and it could be using the quad-core Intel Broadwell processors that were introduced earlier this month.

A tipster pointed 9to5Mac toward the relevant text strings. One shows an Apple-made display with a resolution of 4096×2304, and another shows a reference to Broadwell's Iris Pro 6200 GPU. Most outlets, 9to5Mac included, have assumed that this is some kind of 21.5-inch 4K iMac, which makes sense since current iMacs use Iris Pro 5200 GPUs.

That said, if we are looking at a 4K iMac, that resolution would be an odd choice. The 5K iMac has a screen with exactly four times the number of pixels of the non-retina 27-inch iMac—5120×2880 compared to 2560×1440. 2015 Retina MacBook aside, that's how Apple has always added Retina displays to its Macs. By that logic, though, a 4K version of the current 21.5-inch iMac would use a 3840×2160 screen, four times the pixels in the current model's 1080p display. Some kind of 4K iMac is still the best general fit for these specs (and 4096×2304 is still a 16:9 aspect ratio), but the model could include other changes as well. 

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