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Apple Reportedly Developing 5K Retina Thunderbolt Display With Integrated GPU (hothardware.com)
MojoKid quotes a report from HotHardware: If you head over to Apple's website, the Cupertino outfit will happily sell you a 27-inch Thunderbolt display for $999, at least until its inventory runs out. Word on the web is that it's nearly out of stock and Apple doesn't plan to replenish them. Instead, Apple will launch a new version of its Thunderbolt monitor, one that's been upgraded to a 5K resolution and has a discrete GPU stuffed inside. It's an interesting product actually, if you think about it. Depending on the task, it can take some serious graphics muscle to drive a 5K resolution display. It amounts to over 14.7 million pixels (5120x2880), compared to Apple's current generation Thunderbolt display which runs at 2560x1440, or less than 3.7 million pixels. Apple's thinking is likely that if it integrates a GPU capable of driving a 5K resolution into the display itself, it won't have to worry about trying to balance graphics performance with thin and light designs for its future Mac systems.
Integrated GPU just means that you'll be looking to upgrade your 5k monitor in a year or two.
That's what most people do anyway. The only people who upgrade piecemeal are geeks like us and even then most of us don't bother. Most people just buy a whole new system when they buy a new computer. Apple knows this better than anyone. What you are saying isn't silly but the numbers don't lie. Most people just go the simple route and upgrade everything.
Honestly I've wondered for a long time why nobody made an external graphics system - either integrated into a monitor or a separate box or in a docking station. I would be SUPER useful for a laptop or other portable device - maybe even for a tablet. Then you can have your industrial strength graphics at your permanent desk but when you are traveling or doing light duty work and don't need it you don't have to lug the extra hardware and have the attendant power drain. It makes a lot of sense if you have a fast enough interconnect. Apple sells a ton of laptops so external graphics processing actually makes a ton of sense for a certain segment.
If you think about how a blu ray player works, for example, turning the video into raw pixels then sending over HDMI is actually quite stupid. Rather, if your display can decompress h264 in hardware, you can just stream the raw h264. With a few decent royalty free standards things could work so much better, albeit against a number of entrenched proprietary interests (which is why I don't hold my breath).
John_Chalisque