Intel's Ivy Bridge Architecture Exposed
by Anand Lal Shimpi on September 17, 2011 2:00 AM EST- Posted in
- CPUs
- Intel
- Ivy Bridge
- IDF 2011
- Trade Shows
Final Words
Ivy Bridge will bring about higher clock speeds thanks to its 22nm process, however the gains will likely be minimal at best. Intel hasn't been too keen on pursuing clock speed for quite some time now. Clock for clock performance will go up by a small amount over Sandy Bridge (4 - 6%), combine that with slightly higher clock speeds and we may see CPU performance gains of around 10% at the same price point with Ivy Bridge. The bigger news will be around power consumption and graphics performance.
Ivy Bridge will be Intel's flagship 22nm CPU for some time. The chip was originally due out at the end of this year but was likely subject to delays due to issues with the fab process and the chip itself. The move to 22nm is significant leap. Not only are these new transistors aggressively small but the introduction of Intel's tri-gate technology is a major departure from previous designs. Should the fab engineers at Intel do their job well, Ivy Bridge could deliver much better power characteristics than Sandy Bridge. As we've already seen, introducing a 35W quad-core part could enable Apple (and other OEMs) to ship a quad-core IVB in a 13-inch system.
Ivy Bridge's GPU performance is particularly intriguing. With a 33% increase in execution hardware and a near doubling of performance per EU, it's clear that Intel is finally taking GPU performance seriously. If Intel can hit its clock and performance targets, Ivy Bridge could deliver GPU performance on-par with AMD's Llano. By the time Ivy Bridge arrives however, AMD will have already taken another step forward with Trinity. The question is who will address their performance issues quicker? Will AMD improve x86 performance faster than Intel can improve GPU performance? Does it even matter if both companies end up at the same point down the road? Short of 3D gaming workloads, I believe that x86 CPU performance is what sells CPUs today. Intel's embracing of OpenCL however and AMD's efforts in that space imply things are finally changing in that regard.
Sandy Bridge brought about a significant increase in CPU performance, but Ivy seems almost entirely dedicated to addressing Intel's aspirations in graphics. With two architectures in a row focused on improving GPU performance, I do wonder if we might see this trend continue with Haswell. Intel implied that upward scalability was a key goal of the Ivy Bridge GPU design, perhaps we will see that happen in 2013.
Ivy Bridge can do very well in notebooks. A more efficient chip built using lower power transistors should positively impact battery life and thermal output. Desktop users who already upgraded to Sandy Bridge may not feel the pressure to upgrade, but having better graphics shipping on all new systems can only be good for the industry.
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AstroGuardian - Monday, September 19, 2011 - link
"Intel implied that upward scalability was a key goal of the Ivy Bridge GPU design, perhaps we will see that happen in 2013."No we wont. The world ends in 2012 remember?
JonnyDough - Monday, September 19, 2011 - link
It ended in the year 2000. Hello! Y2K ring any bells? Come on, keep up with current events would ya?TheRyuu - Monday, September 19, 2011 - link
"I've complained in the past about the lack of free transcoding applications (e.g. Handbrake, x264) that support Quick Sync. I suspect things will be better upon Ivy Bridge's arrival."As long as Intel doesn't expose the Quick Sync API there is no way for such applications to make use of it, not to mention the technical limitations.
There are hints on doom9 that they know a bit about the lower level details but that it's all NDA'ed. Even with that knowledge he says that it's probably not possible or probable to do so.
You can find various rambling/rage here:
http://forum.doom9.org/showthread.php?t=156761 (Dark_Shikari and pengvado are the x264 devs).
tl;dr: http://forum.doom9.org/showthread.php?p=1511469#po... (to the end of the thread)
fic2 - Monday, September 19, 2011 - link
I would also wonder who (software wise) would be willing to put a lot of resources into supporting something that isn't really available on most SB platforms - or at least not available without jumping through hoops (correct mb, correct chip, 3rd party software, etc).fic2 - Monday, September 19, 2011 - link
"By the time Ivy Bridge arrives however, AMD will have already taken another step forward with Trinity."I wonder how realistic this is considering that AMD can't even get Bulldozer out the door.
My money is on Ivy Bridge showing up before Trinity.
Beenthere - Monday, September 19, 2011 - link
Considering Trinity was shown at IDF up and running and the fact that Trinity and other AMD nex gen products were developed concurrently with Zambezi and Opteron Bulldozer chips - which have been shipping by the tens of thousands already, I'd say Trinity will be here in Q1 '12.fic2 - Monday, September 19, 2011 - link
"Opteron Bulldozer chips - which have been shipping by the tens of thousands already"And, yet, nobody can benchmark them.
I hope that I am wrong, but given AMD's continual delays shipping the desktop BD I am not holding my breath.
Whichever comes first gets my money - assuming that BD is actually competitive with SB performance.
thebeastie - Tuesday, September 20, 2011 - link
You talk about what's for support for handbrake but to put it harshly your mind is stuck in the past gen device era.I simply grab a full DVD and run makemkv on it to just store it unmodified in a single file and copy it to my iPad2 directly.
Plays perfectly fine under avplayerhd.
I consider it that you would have to be insane as in you think your an onion to bother handbrakin your videos if you got a device like ipad2 that can just play them straight.
If your the hoarder type that insists that you watch Rambo 4 etc every week and need to pack 100+ full movies on your single device at the same time your a freak so pipe you niche life style comments to /dev/null.
I would not understand why you have time to bother shrinking/ converting your movies all the time over just getting sick of some of them and putting new stuff on from time to time.
TheRyuu - Tuesday, September 20, 2011 - link
8.5GB for a movie seems a bit impractical for an ipad.thebeastie - Wednesday, September 21, 2011 - link
Full 8gb is big but they still copy of amazingly quickly over to a ipad2 64gb, a lot of DVDs don't get that full size anyway.If you bought a honeycomb tablet and put sdslot storage on it, I am sure it would be a extremely painfull slow copying experience if you use SD over built in flash, maybe this is what Apple avoid sd lslotd in the first place. Built in flash is lighting fast and less draw on battery.
Having full on pc and just coying over in 2mins vs bothering to convert I know what i just choose full copy every time.
Once I have watched it takes at least a year before I consider watching the same thing again.