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It's not just "paying up" like everyone likes to complain about, it'll be technically impossible. The graphics/CPU won't be able to run at that resolution. Not to mention how expensive just the panel will be.

Trust me I know, hence paying up for newer hardware.
 
I think many of you are far overestimating the cost of producing 5k iMac displays. Samsung currently has one on sale for only $599, at 28". That's only about $300 more than a high quality 1080p display. Source: http://www.amazon.com/Samsung-28-In..._sim_pc_4?ie=UTF8&refRID=0FJ6PZFPRS03SC9Q6C2Z

Not only that, but iMacs currently carry an enormous profit premium, which I believe is around 50% on the high-end models. It's not unimaginable that Apple could release a retina iMac with only a small price increase, and simply eat some of the rest of the cost as the price of keeping us with the competition.

As for GPU's, Nvidia's 900 series of mobile GPU's are really quite remarkable. If Apple does go with AMD, I hope they're using an unannounced new product, or perhaps even a desktop-class GPU. Personally, if I were going to buy a 5k display, I'd want some serious graphics power behind it. Lack of graphics performance is why I'm using a windows desktop right now instead of an iMac. If anyone at Apple is listening, two GTX 980M's in SLI would be a great way to go. Either that, or give me a full desktop card.

The Samsung is a 4K monitor with a TN panel.
 
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No way they offer the 4790K unless they lock it down to that 4 Ghz.

The 980M offers 50% better performance over the 780M. Apple must be loving the extra profit margin if they go AMD......
 
It's not just "paying up" like everyone likes to complain about, it'll be technically impossible. The graphics/CPU won't be able to run at that resolution.

I think it's being done now by running it as two virtual panels. It's not a new technique, it used to be that 4k displays had to be run on two dual link cables.

Not to mention how expensive just the panel will be.

I think it's getting closer. high DPI used to be prohibitive until Apple started doing it. But if this time, maybe only an option on the top model. Maybe next year.
 
I personally don't think this will happen. I suspect a new line of monitor for the MP before iMac gets such a substantial upgrade. Unless they want to create a new line of iMac that probably would double the cost. Maybe another year when the panel prices come down before this is considered and also give some time for the graphics to catch up.
 
AMD cards to match the nMP because they scream at openCL and that seems to be the direction that pro apps are going as far as gpu acceleration goes.

There needs to be at least 4GB of VRAM if you want that 5K screen to handle fluidly.

I'd love a 6-core iMac though. It probably won't happen till 2016-2017
 
Forgive my ignorance, as I do not push the limits of my iMac all that much (beyond converting video). Are all the the people upset about the choice of video card upset because it won't work worth a fig in any situation, or it won't work for extreme graphics use such as high end gaming or CAD? I totally see the merit in the upset if people consider this machine an essential tool for pro users (although then I wonder why they'd have a Mac Pro and an iMac, which is more consumer-friendly). But for those of us who just want a far more beautiful, sharp-text display, will the graphics card matter if it can drive common use cases?

It will matter for gaming, the easy solution is to run games at 2560/1440 since its unlikely you will be able to do much with that computer in terms of games if you want to run at native resolution.

To be fair I don't really think there is a single GPU on the market today that can run games at reasonable frame rates at 5K.

I don't think anyone buys an iMac primarily for gaming but its definitely something they get used for a lot.

At some point in the 3rd or 4th generation of this product the GPU will catch up with the amount of pixels it needs to push and it will be fine, but for now compromises will have to be made.
 
I wish all the rev. A beta testers all the luck in the world. God knows you'll need it with Apple's track record.
 
Not having used a retina display, you're right, I don't understand it.

But resolution is resolution. And if you double it on the same size screen everything is going to have to be smaller. Meaning a lot more squinting...

That's not the case. You only believe that because of how Windows was coded to handle high resolution displays years ago. To explain it to you in layman's terms, an icon that is say a size like 200 x 100 pixels will remain 200 x 100 pixels on an older windows computer, no matter what the screen resolution is set at. That causes the icon to grow or shrink as the resolution is changed. On newer operating systems, including OSX, the icon will scale with changing resolution. So a 4k monitor would now display that icon as 400 x 200 pixels, and it would be the exact same size. It would be blurry relative to your non-upscaled content, but it would look exactly the same as it did before.
 
Would there be AAAAAAAAAANY chance of upgrading the displays in my 2012 or 2013 27" iMacs to one of these 5k displays? :confused:

No, sadly. That's why I prefer separate towers. You could buy a separate 5K display and rock the dual screen setup, though.

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Double the resolution with double-sized assets. Everything is legible but sharper. That's the point of these screens.

You can, however, use DisplayMenu or something to switch it to 1:1 scaling mode if you want the ultimate desktop space. :D
 
if HD5200 runs very well the interface of an 2880 by 1800 pixels then 970M or 980M will run just fine the interface on 2880p

I really hope that Apple will not go AMD when Nvidia its just a monster with 970M and 980M
 
Better than Intel graphics.

but worse than the newly released Nvidia chips.

Apple will pick whichever chips are decent, but cheap enough for its needs. sadly.

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No way they offer the 4790K unless they lock it down to that 4 Ghz.

The 980M offers 50% better performance over the 780M. Apple must be loving the extra profit margin if they go AMD......

Yep, but Apple ought to at least an option of NVidia. AMD is at least a generation behind NVidia.
 
Amd is behind Nvidia in performance and in reliability
in the last few years almost only AMD had mass problems with free replacements by Apple
 
you definitely aren't talking about the late 2013 27" imac model. I have one. I rendered a 3d movie last week. 8 cores were rendering at 100% workload for a few hours and my iMac was certainly not "hot" It was still comfortably cool.
Also when I play games the iMac is not heating up.
On the other hand, my older Apple laptops are getting very (and I mean extremely) hot when doing stuff like this, or even browsing. When using the laptops on my lap, I almost burn myself (so I know the difference).

Where can I buy an 8 core imac?
 
disappointing if they do move to AMD with the iMacs. NVidia is a much better option with the ability to work with CUDA and the creative suite.

That was my first thought as well.

However... Adobe can use OpenCL in AMD video cards.

I'm not sure how it compares though.
 
Not having used a retina display, you're right, I don't understand it.

But resolution is resolution. And if you double it on the same size screen everything is going to have to be smaller. Meaning a lot more squinting...

In this case, the OS effectively hides the true resolution from the app. If an app draws a character 1cm high & 1cm wide on screen, it will still be 1cm high & wide on the Retina iMac, but it will have twice as many pixels in that space on both the horizontal & vertical axes, so the jaggies will be much reduced and any pixel-smoothing techniques much more subtle.
 
I think he's talking about a Quad Core i7 with multithreading. 4 hardware cores and 4 virtual cores - they show up as 8 cores in Activity Monitor.

I know that.

...maybe that user has an engineering imac sample with 8 cores and 16 threads though :eek:
 
I want this but not if they compromise on performance in order to be able to introduce it in October for the Yosemite release.

I don't mind not having Broadwell, honestly most dual core CPU's from intel are good enough for the vast majority of the stuff you need to do, quad core Haswell is more then enough.

Where i will not compromise is the GPU, if this thing does not have a 980M or by some miracle the new chips AMD was supposed to only release next year I am going to wait for 2.0

It's one thing to pay a premium for new technology and quite another to get a machine that does not have the power to run at it's native resolution.
 
The Samsung is a 4K monitor with a TN panel.

Not sure what the TN panel you're referencing is, but there's not a significant pixel difference between 4k and 5k. It's only approximately 46% more pixels, as opposed to a 300% increase in pixels from 1080p to 4k. There should not be a significant cost difference.
 
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