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I can assure you all, HotS is pretty tasking application and can spin out the fans easily. So it may very well be that process for new highest end GPU in iMac improved.
 
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For optimize you mean cuting off quality? cose...you know... there is no such thing as an optimized triple A game on os X that run decently compared to the direcx counterpart
Apple has been behind in openGL standard for years, and even farther from directx. So, openGL doesn't support all visual tricks Windows machines do... You can find differences if you compare minimum requirements of some games Win vs Mac. Same goes to vram.

But still it doesn't make that different game experience. You don't need latest bells and whistles to run a game decently. Consoles and Mac requires more tweaking to get it do similar things that Windows does. But those have been achieved.
 
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so we have some sort of confirmation that the M395X is better than M295X in temperature and noise...or maybe now the fans kick over 100C ???
 
In my third game in a row now. I cannot hear the fan (even with the sound off).
Just finished the game - still silent. I do not have any apps where I can measure the temperature. FPS wise I have not experienced any throttling yet. The FPS are the same now as when I started.

I should also point put that I have a i5 CPU (not i7).
 
FPS mostly at around 50 FPS and 40 in 5v5 team fights.

I'm not familiar with the demands of HotS, but I hoped a Blizzard game would've faired better in a reduced res. Do you play any FPS games, say CS:GO? My gaming days are largely over but it would be nice to do some light gaming with respectable framerates. I'm in the market for a new machine but it's a hard pill to swallow when my 8yr old home built computer (w/ 3yr old GPU) can fetch 80+ FPS in 1080p "recent" games.
 
It is pretty much comparable to Windows performance of the game, given the reduced core clock in comparison to desktop GPUs of similar class.
 
FYI, my 27" mid 2011 iMac (i5 - Radeon HD 6970 1Gb) is running VERY fine Crysis 2 ! Ok, not full HD res but high level of details... So, you shouldn't worry about games like that with a 2015 iMac...
 
I'm not familiar with the demands of HotS, but I hoped a Blizzard game would've faired better in a reduced res. Do you play any FPS games, say CS:GO? My gaming days are largely over but it would be nice to do some light gaming with respectable framerates. I'm in the market for a new machine but it's a hard pill to swallow when my 8yr old home built computer (w/ 3yr old GPU) can fetch 80+ FPS in 1080p "recent" games.

Correct me if I'm wrong but isn't CS:GO not that GPU demanding? If playing at 1440p with medium-high settings, you should be getting quite good FPS but this is speculation :) Would be nice of mjohansen to confirm!
 
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Destroys, well that's pretty much not true at all...970M is better, but does it destroy M295X...M395X is way better than 970M, just wait and see when the review's are landing...

http://www.notebookcheck.net/AMD-Radeon-R9-M295X.129043.0.html

http://gpuboss.com/gpus/Radeon-R9-M295X-Mac-vs-GeForce-GTX-970M
The only way the m395x is way better than 970M would be if Apple pulled an Ace out of its sleeve and managed to put a HBM Fury Nano in the iMac 27.

Don't want to seem bitter but many have us have waited 3 years for a true successor to the 680MX.
 
The only way the m395x is way better than 970M would be if Apple pulled an Ace out of its sleeve and managed to put a HBM Fury Nano in the iMac 27.

Don't want to seem bitter but many have us have waited 3 years for a true successor to the 680MX.
From the link above: However, the Radeon M295X remains about 10% more powerful than the Nvidia GTX 880M.

Isn't that something to hold on to?
 
Correct me if I'm wrong but isn't CS:GO not that GPU demanding? If playing at 1440p with medium-high settings, you should be getting quite good FPS but this is speculation :) Would be nice of mjohansen to confirm!

You're correct about CS:GO - it's definitely more CPU intensive. Although I'll take any help I can get knowing Apple's OpenGL support and tendency to have lower performance than Windows of similar specs. (I could always bootcamp if the gains were significant enough). I also dabble in the TES series, so modded Skyrim. I'm realistic though... I don't expect Skyrim w/ 4k textures and 30+ mods to run on this thing, at least not well. Tack!
 
this generation can be skipped by those who already have 5k imac with 295x...next generation will be with nvidia...so at least 980M we will get...but i hope for a BTO 990M that i think is 80% more powerful than M295x
 
this generation can be skipped by those who already have 5k imac with 295x...
Unless you need the retina display or the faster CPU speed, anyone with a 2012 iMac (680MX) or a 2013 iMac (780M) can skip this generation as well. Ready for Apple to start using nVidia again.
 
Unless you need the retina display or the faster CPU speed, anyone with a 2012 iMac (680MX) or a 2013 iMac (780M) can skip this generation as well. Ready for Apple to start using nVidia again.

It is rather looking that way. Retina's probably going to swing it for me, though…
 
Unless you need the retina display or the faster CPU speed, anyone with a 2012 iMac (680MX) or a 2013 iMac (780M) can skip this generation as well. Ready for Apple to start using nVidia again.

If the next model is indeed Nvidia and TB3/type-C, then I (personally) would hold out - despite not having any iMac. My question is... What does the release history and speculation say about the next one? Are we talking another year or ~6 months? I'm guessing Q1/Q2 rollout to bring the rest of the lines onto Skylake... but does that mean the iMac crosses the line last?
 
If the next model is indeed Nvidia and TB3/type-C, then I (personally) would hold out - despite not having any iMac. My question is... What does the release history and speculation say about the next one? Are we talking another year or ~6 months? I'm guessing Q1/Q2 rollout to bring the rest of the lines onto Skylake... but does that mean the iMac crosses the line last?
The 27" iMac has been updated in Nov '12, Sep '13, Oct '14, and now Oct '15. I'd say it's a safe bet that we'll see the next revision this time next year. It's probably due for a redesign as well.
 
If the next model is indeed Nvidia and TB3/type-C, then I (personally) would hold out - despite not having any iMac. My question is... What does the release history and speculation say about the next one? Are we talking another year or ~6 months? I'm guessing Q1/Q2 rollout to bring the rest of the lines onto Skylake... but does that mean the iMac crosses the line last?
The GPU needn't be Nvidia, but it has a very high chance to pack a 16/14nm GPU if it is an early Q4 release. Both vendors scheduled to transit to 16/14nm in 2016, and 16/14nm is ramping up pretty well as shown by iPhone 6s and 6s Plus. As a side note, Intel has a minor refresh to Skylake, i.e. no 10nm processors in 2016.

P.S. I believe AMD would be pretty aggressive in winning the deal again, and they have two publicly known shining points, i.e. experience in HBM and willingness to customise.
 
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Don't know if this was already posted (GPU comparison top range iMac 27" 2015 vs. 2014 vs. MacPro): http://barefeats.com/imac5k13.html
Here are additional benchmarks and articles: http://barefeats.com/index.html

Thanks for the excellent link. That's exactly what we were looking for, a decent benchmark of the 395X vs 295X.
It shows barely a 5% increase in graphic benchmarks, and as a result I for one will assume that increase is purely down to the 395X being on newer Imac with 6th generation i7.
 
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