In 2017 Apple updated the iMac on 5 June during WWDC, we were hoping we might see an iMac announcement at WWDC 2018 but the machine didn't even get a mention.
We could still see an update in the summer of 2018, perhaps Apple will choose to quietly update the iMac, shutting the online store for a few hours while it updates the pages, as it has been known to do in the past.
It is also possible that Apple could wait until September or October 2018 to issue an updated iMac. If the company is considering a more substantial redesign (as we discuss below), this may well be the case.

iMac Price

While it’s unlikely that the price of the iMac range will change, there could be some price changes if Apple does significantly redesign the model in 2018.
Here are the current iMac prices:
Entry-level 21.5in iMac, £1,049
Mid-level 21.5in iMac, £1,249
Top-level 21.5in iMac, £1,449
Entry-level 27in iMac, £1,749
Mid-level 27in iMac, £1,949
Top-level 27in iMac, £2,249
As we will explain below, part of a redesign could involve removing the hard drive option from the iMac in order to free up space inside the machine - and allowing for a slimmer chassis. If Apple was to do this though it is likely that it would keep on an entry-level iMac in the older design, with a hard drive option. This model could be priced at a lower level than it is currently, especially if it uses the same chips as the 2017 iMac. This could bring the starting price down to around £949 but it will probably be an older generation iMac than the others in the range.
It’s unlikely that the high-end iMacs will see any decline in price. The iMac Pro starts at £4,899 while currently a standard iMac spec’d up to match the Pro’s 32GB RAM (and with the beefiest processor offered as a build-to-order option in that range) costs £3,509.
That leap of £1,390 to get from a quad-core to an 8-core processor and the advanced graphics offered by the Pro might seem reasonable, but if the iMac gains a 6-core processor (read on to find out more about that) then the gulf between the two models will close a tad. In which case, Apple might see fit to raise prices.
iMac Redesign
The iMac has had the same design since 2012 when the sides of the iMac were slimmed down. However, the aluminium look is now over 10 years old - the first aluminium iMac launched in 2007. Some people are calling for a facelift, or at least some internal changes that could allow Apple to slim the unit down even further, and perhaps shave off some of the chin.
There was a rumour in the summer of 2017 that Apple is planning an iMac redesign in 2018. This was based on claims made by a ‘Foxconn Insider” posting on Reddit.
Whether the iMac needs such a redesign is a matter of taste. The iMac design is popular and reducing the size of the ‘chin’ would mean that the screen might have to be thicker in order to house the components, and it might also make the screen less ergonomic if the screen sat lower than it does currently.
However, if Apple made some changes to the inside of the iMac, as it did with the iMac Pro, it could save a lot of space and avoid the need to make the unit any thicker
For example, Apple could remove the HD bay. If Apple moved the entire range of iMacs to SSD as standard, removing the hard drive or Fusion Drive options this would free up space. However, as we mentioned below, it is unlikely that Apple would remove the option of the Fusion Drive as it allows consumers the option of having more storage space. Such a change would likely see the current 1TB hard drive or Fusion Drive option replaced by a 256GB SSD which many would not consider adequate.
Assuming that Apple doesn’t remove anything from the inside, could the company still reduce the bezels of the iMac? If it did we think it is likely that the dimensions of the unit itself would change, rather than the size of the screen (although we’d love Apple to introduce a 30in display). This could result in the 27in standard iMac being slightly smaller than the iMac Pro (an unlikely scenario).
We think it’s unlikely that Apple would significantly change the design and dimensions of the standard iMac when the iMac Pro has only recently launched. The fact that the company chose to find a way to fit the iMac Pro components inside the iMac chassis, and ensure adequate cooling, rather than completely change the design, should indicate that Apple doesn’t intend to stray too far from a design it likes.
Speaking of the iMac Pro, there have been calls for Apple to offer a Space Grey version of the standard iMac. While the Space Grey colouring of the iMac Pro sets it aside from the standard iMac - and that is a distinction that Apple wanted to highlight with the alternative colour - there is some hope that a Space Grey standard iMac could arrive now that Apple is selling the Space Grey keyboard and mouse separately.
iMac Screen
While we don’t expect the dimensions of the screen to change, there is a question of whether Apple could adopt OLED for the iMac display. The likelihood of that is slim right now - despite OLED appearing on the iPhone, as a technology it isn’t really mature yet, and there are burn in issues and issues with colour shift that it is likely Apple would want to be addressed before it moved to OLED for its screen.
One exciting processor-related update on the horizon is the likelihood that the next generation of processors will include 6-core options (also known as hexa-core). This could close the gap between the iMac and iMac Pro somewhat.

Intel's Coffee Lake i5 and i7 offerings have 6-core options and these are very likely to find their way into the new iMac.

The following Coffee Lake processors could be used in the new iMac:

Entry-level iMac could use the i3-8100 or i3-8350K (4-core/4 thread).
Mid-Range iMac could use i5-8400 or i5-8600K (6-core/6 thread).
 The i5-8600K runs at 3.6 GHz with TurboBoost from 4.1 GHz (6-core) to 4.3 GHz (1-core).
 The i5-8400 runs at 2.8 GHz with TurboBoost from 3.8 GHz (6-core) to 4.0 GHz (1-core).
Top-of-the-range iMac could use i7-8700 or i7-8700K (6-core/12 thread hyper-threading).
 The i7-8700K runs at 3.7 GHz with TurboBoost from 4.3 GHz (6-core) to 4.7 GHz (1-core).
The i7-8700 (non-K) is both higher performing and lower TDP (thermal) and could be the sweet spot for the top-of-the-range iMac.
If Apple switches to these processors it will narrow the performance gap between the iMac and iMac Pro (which can be configured with 8-, 10-, 14- or 18-core Xeon W processors).
The big question is whether the company would want to make the top-of-the-range iMac too good - as such a move could take market away from the iMac Pro.
There's another possibility, although somewhat unlikely. Apple could simply revamp the iMac range with the newer 8th generation Kaby Lake R chips - the current models use 7th generation Kaby Lake. They might have the same name, but there is a significant performance leap.


Faster memory is also made possible by Coffee Lake which supports DDR4 at 2666MHz in dual-channel mode. Currently, the iMac maxes out at 2400MHz while the iMac Pro offers 2666MHz RAM.
Another possibility is that the RAM limitations of some of the lower-end models will be lifted. The 21-inch iMac is limited to 8GB and 16GB currently but could be upgradeable to up 32GB in a future model. The top-of-the-range 21in and the entry-level 27in models currently have a 32GB build-to-order option, but tis could rise to 64GB. Only the mid-range and top-of-the-range 27in has a 64GB option currently.
Incidentally, the iMac Pro can be configured to 128GB RAM, could this be an option on the 2018 flag-ship 27in iMac?
It seems likely that the new iMac range will adopt graphics cards based around the AMD Vega.
Don’t expect to see the Vega GPU options found in the iMac Pro as it is unlikely that they can be used without the thermal upgrades Apple made for the iMac Pro. A more likely option is the rumoured Vega 28 and 32.
One interesting idea is that there could be one iMac model geared towards gaming, using a new Vega RX GPU that has been designed for that purpose.
However, there is also the possibility that the new iMac could adopt an nVidia graphics card, although it seems that would require a lot more work to accomplish.
One final thing to mention is connectivity. We expect that the 802.11ax will start to make an appearance over the next year or so, so the new Macs could start to offer compatibility with this new standard.

We could also potentially see UHS-II SD card support (like iMac Pro) and better compatibility with iPads so that the iMac could use any iPad as an input device.


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