Will there be a 21.5 retina iMac ?

I think there will be a 4k iMac eventually, probably in the 21.5'' form factor.

The main question for me is how they are going to provide enough graphics power. The M290 has a TDP of around 100W, so probably too much for the 21'' model. I
 
I think there will be a 4k iMac eventually, probably in the 21.5'' form factor.

The main question for me is how they are going to provide enough graphics power. The M290 has a TDP of around 100W, so probably too much for the 21'' model. I

The current GT 750M already can drive 4K at 60 Hz.

The current 21.5" iMac and the Haswell 15" rMBP share the same GT 750M, albeit with different amount of VRAM.
 
The current GT 750M already can drive 4K at 60 Hz.

The current 21.5" iMac and the Haswell 15" rMBP share the same GT 750M, albeit with different amount of VRAM.

Do you think the 750M is strong enough to have a lag-free UI rendered in 4k or even 5k (2560x1440 mode)? Some people here claim that the M290 in the 5k iMac is not strong enough...
 
Do you think the 750M is strong enough to have a lag-free UI rendered in 4k or even 5k (2560x1440 mode)? Some people here claim that the M290 in the 5k iMac is not strong enough...

That's because of Yosemite itself.

My 15" rMBP with 750M drives my Sharp 4K touchscreen display at 60Hz, totally lag free (except sometimes Yosemite lags in Mission Control, but that's Yosemite being Yosemite).
 
Eventually yes.

And when it comes, it will probably be my next iMac. I love the 21.5" iMac size. :)

The monstrously large 27" iMacs simply has no room or place in my bedroom.

Clearly you've never used one before. I couldn't go back to anything smaller.

My understanding is there will be Retina everything soon enough

Al that's left is the 21.5" iMac and Thunderbolt display. By the end of this year ;)
 
Clearly you've never used one before. I couldn't go back to anything smaller.



Al that's left is the 21.5" iMac and Thunderbolt display. By the end of this year ;)

talking of baseline of both models, since i can't afford money for upgraded versions, i think 21.5" can handle games faster than 27" since it has a smaller display. only down point of an 27" would be this.
 
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