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Turbopgt Author

Level 1

7 points

iMac 5K Retina extremely slow Mission Control

Just got the base model iMac Retina 5K. Mission Control is extremely slow, and so far seems to be only part of the UI that lags. It can barely even animate. I know these are new and not yet proven, but even the worst integrated card can animate Mission Control smoothly on other Macs. I can't understand why it lags so badly. I don't want to just wait for an update while I'm in my return window, in case this is the potential of this card while driving this display, but I can't imagine that to be so.

Posted on Oct 23, 2014 2:22 PM

209 replies

Turbopgt Author

Level 1

7 points

Feb 24, 2015 8:05 AM in response to Turbopgt

Dramatic improvements here with 10.10.3 beta 2.

Lets hope the improvements continue, but they are definitely trying to address this.

Feb 28, 2015 2:49 AM in response to Turbopgt

Same issue here 10.10.2 295X i5 24Gb Ram

Increase contrast helps a bit but is definitely not a long term solution.

Please Apple Make your 5K iMac run like it deserves to.

Feb 28, 2015 8:39 AM in response to Turbopgt

Apple let me exchange mine for the M295X model and pay the difference. Dramatically better. Still not perfect compared to my MacBook, but no complaints really. Hopefully it will get even better over time, but I'd suggest trying to get them to let you upgrade if you're having this problem.

PJJSPA

Level 1

10 points

Feb 28, 2015 12:05 PM in response to elektrobank

I sent mine back and got the equivalent non-retina iMac (refurbished) for now. What with the glitches and the thermo dynamics of the new graphics chips I decided it was better to give this 1st generation a miss and wait until Apple have ironed out the issues. The graphics chip on the retina I had was definitely working hard, which I noticed when running full screen flyovers in Apple Maps. They didn't run well on the retina and are much smoother on the non-retina machine I have now (with GTX775M graphics). The non-retina machine also runs a lot cooler, and the fan hasn't moved from its base speed so far in the use I've had with it. When I ran the Apple Maps flyovers on the retina machine the fan was ramped up quite a bit to try and cool the graphics chip. There's no doubt the screen looked magnificent, but it's only one part of the overall experience for me, and I'd rather not have to make sacrifices to enjoy that.

ry4n_77

Level 1

0 points

Mar 1, 2015 1:23 AM in response to Turbopgt

x Turbopgt

Really do u notice improvements on Mission Control Lag on 10.10.3 beta 2?is it your direct experience ? i bought mine 1 week ago(the base unit) and i upgraded to 24GB Ram but me too i've this annoying problem , i spent 2500 Euros and i'm so upset , for me that Mission Control function is so useful , i really hope Apple addresses this problem with the next release...it's incredible they don't test their product so deeply before to release on the market 😟

anyway thanks for sharing it but , not because i don't trust you , i'll believe it when i'll see it with my own eyes 🙂 😉

Cheers

luisgerh

Level 1

0 points

Mar 2, 2015 10:09 AM in response to elektrobank

How? Apple Care or did you buy it directly from Apple? How much time passed before you reported the problem after the purchase?

Floreg

Level 1

0 points

Mar 4, 2015 1:33 AM in response to ry4n_77

Are there any updates on the issue with the 10.10.3 beta? Can't test it here because it is a productive system for my daily work.

I thought with 2800€ for my new iMac - all my computer lags and slugginess would be gone for a while. No chance!⚠😟

Mission Control and App Exposé are unusable!!

Mar 4, 2015 5:31 AM in response to Floreg

Installed the 10.10.3 public beta released Monday. Some noticeable improvements, but still far from perfect.

Turbopgt Author

Level 1

7 points

Mar 5, 2015 1:00 PM in response to ry4n_77

ry4n_77 wrote:

x Turbopgt

Really do u notice improvements on Mission Control Lag on 10.10.3 beta 2?is it your direct experience ? i bought mine 1 week ago(the base unit) and i upgraded to 24GB Ram but me too i've this annoying problem , i spent 2500 Euros and i'm so upset , for me that Mission Control function is so useful , i really hope Apple addresses this problem with the next release...it's incredible they don't test their product so deeply before to release on the market 😟

anyway thanks for sharing it but , not because i don't trust you , i'll believe it when i'll see it with my own eyes 🙂 😉

Cheers

Is it my direct experience? I started this topic. I have been using the machine since the day it was released, and have updated and documented my experience and my correspondence with Apple.

10.10.3 beta 2 has dramatically improved Mission Control performance, without question. For me, I would almost go so far as to say "Fixed". I have no doubt that the final public release of 10.10.3 will address this issue in its entirety.

Apple Engineers have confirmed for me from the beginning that this is indeed a software issue, and will be fixed with a software update. Took a few months, but that is indeed happening.

It has absolutely positively 100% nothing to do with hardware. At all. You will find plenty of know-it-alls (better known as know-nothings) that have polluted this topic and others with their "conclusive theory" that Apple shipped an inferior graphics card to handle the 5K Retina display....none of which is based in any sort of reality.

The reality is: OS X was not entirely optimized for the 5K Retina display, and Apple has been working that out over the last few months. Perfection is not far off now.

Mar 5, 2015 1:13 PM in response to luisgerh

I have been calling for months about this issue. I was willing to wait for a software fix, but my computer became unbearable to use and they finally agreed to replace it. I know it's a software issue, but I just couldn't wait any longer and heard the M295X resolves it. The M295X does make a huge difference, but still isn't perfect, so I'm still looking forward to a software update to resolve this completely. The M295X also runs incredibly hot, it's like have a space heater on my desk, so I don't recommend getting it if a software update is coming soon to fix this. Now that others confirm the newest beta fixes it, it's a no brainer to wait a bit longer.

Floreg

Level 1

0 points

Mar 6, 2015 2:37 AM in response to Turbopgt

Thank you for your clarification! Now I'm really looking forward to 10.10.3 with hope 🙂

ry4n_77

Level 1

0 points

Mar 6, 2015 3:05 AM in response to Floreg

well , me too 😉

Mar 10, 2015 12:39 AM in response to ry4n_77

well im running 10.10.3 and still mission control is useless, its very laggy, i hope that apple fix this issue asap

Floreg

Level 1

0 points

Mar 10, 2015 12:43 AM in response to blackbox100

Oh nooo, are you serious Apple? If it's not fixed within the next month I have to return my iMac!! The Apple support hotline didn't know what to do either:-(

Mar 11, 2015 5:09 PM in response to Turbopgt

Any idea when 10.10.3 is being released?

iMac 5K Retina extremely slow Mission Control