Mountain Lion UI Lag on rMBP !!! (Let's Make this thread serious and hope for a fix)

I personally think the UI lagging bug is a serious issue on rMBP because this machine cost $2000 and up and it lags on UI features such as Mission Control and Space Switching while classic Macbook pros don't. I do understand that the retina display models carries a high resolution display, but I think the quad core CPU should have the ability to handle it (please correct me if I am wrong)



I am hoping and asking anyone experiencing the issue to follow up with this thread and post your concerns. Let's hope for a fix soon and we can really enjoy the beauty a Retina Macbook Pro brings to us.

MacBook Pro with Retina display, OS X Mountain Lion

Posted on Jul 27, 2012 7:26 PM

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1,322 replies

Mar 15, 2013 6:20 PM in response to dsciel

It would be great if we could get some users to take video displaying the UI lag issue after the update. I would like to see some video from someone claiming it is fixed and from someone claiming it is not. If you do make a quick video, be sure to note if you are using discreet or Nvidia, show your about screen and let's see some stress tests.

Mar 15, 2013 10:47 PM in response to dsciel

After playing around with my rMBP all day, it seems I have either become immune to the lag and choppiness of scrolls. Performance overall has improved, despite the video problems. Gaming frame rates have improved sustantially and Photoshop CS 6 in HiDPI mode is running fine, for the most part.
I will take back my comments about selling my rMBP as there is nothing on this planet that looks a good as this machine, nor will there be a display as sharp as retina from any other manufacturer...at least not for a good year 😝
In the meantime I look forward to hear of any improvement releases from Apple or any tweaks that any of you can provide on this discussion.

Mar 15, 2013 11:15 PM in response to Wayne Chin

Try to play (just play and not edit) fullHD video with 50 or 60 fps like 1080p50 or 1080p60. A lot of moerd camcoders could do it. And compare how it is looks like on your laptop and TV on any other suitable PC.


I remember Leopard and Snow Leopard and it was good systems, Mountain Lion it too much buggy system 😟 I'm not saying about hardware issues what we ALL have here.

Mar 16, 2013 9:34 AM in response to Jimbobjoho

Well if you read my post earlier, I did the ultimate and zero formatted my entire SSD and reinstalled from a USB Stick. The result? Only marginal improvements. I mentioned that there was one App that ran flawlessly, and that was MacTube, to run exclusivity of YouTube videos on a Mac with various playback platforms. Note how the window glides when you resize it, and how the video continues to run effortlessly while resizing. THAT'S the performance I expect out of each and every App on the rMBP!

Mar 16, 2013 10:13 AM in response to Geneous

Neither can I, but I could instantly notice the difference when I did a clean install (to 10.8.2).


Now, going to 10.8.3, the choppyness has come back in force compared to when it was livable running 10.8.2.. Definitely noticable, it's ridiculously annoying seeing as I managed to get it smooth last time with a clean install - I really don't want to have to do this again as quite honestly, it's a bloody hassle.


It's safe to say Apple are well aware of this, but possibly because the problems are so irregular machine to machine that Apple just can't get a fix for everyones machine???? I mean they shouldn't have even needed to fix it in the first place, but fix it they did, and missed it (at least in my case) they have...


It's extremely disheartening that I'm complaining so much about this, as I have always loved my Apple products to the moon and back, but this one just isn't "perfect", or "the best notebook in the world" and obviously we would expect more.

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Mountain Lion UI Lag on rMBP !!! (Let's Make this thread serious and hope for a fix)

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