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Rumour: Ivy Bridge to have 77W TDP

Rumour: Ivy Bridge to have 77W TDP

We think this is a sneak peak at Intel's plans for the next couple of years. Click to have a closer look.

A few slides have leaked onto the internet (well, VR-Zone and now here, at least) that seem legit and detail Intel’s forthcoming Ivy Bridge processor range. Intel looks set to continue its Core i3, i5 and i7 branding, leading to journalists the world over trying to explain why a processor that is apparently three years old is suddenly interesting again.

As expected, the model names of Ivy Bridge processors are said to start with a 3 rather than the 2 of the current Sandy Bridge range. As Sandy Bridge CPUs are being marketed as the Second-Generation Intel Core processors (despite being the fifth distinct range of Intel processors to carry a Core brand) we can expect the Ivy Bridge range to be called the Third-Generation Intel Core processors. Despite Ivy Bridge being a die-shrink and not a new design at all.

On to more pertinent details, and the leaked slides say that top-end CPU will have a TDP of 77W, down from the 95W of the current Sandy Bridge range. We were told that the 22nm, 3D transistor technology being deployed for Ivy Bridge would produce either a 50 per cent power saving for the same frequency, or 37 more frequency for the same power draw.

A bit of rough maths shows the drop from 95W to 77W to be 19 per cent, meaning that we expect frequency to increase by roughly 23 per cent. That could mean that the Core i7-3600K could have a nominal frequency of around 4.2GHz and the Core i5-3500K to be clocked at around 4GHz.

Rumour: Ivy Bridge to have 77W TDPThe VR-Zone story also details some of the cross-compatibility issues between Sandy Bridge and Ivy Bridge. Despite using the same LGA1155 socket, ‘the Q67, Q65 and B65 chipsets will not support Ivy Bridge and if we're correct, this has to do with lack of firmware space. This might once again only be limited to Intel's motherboards though, as the company didn't put large enough flash chips on its motherboards.

The new 7-series chipset that will accompany the Ivy Bridge launch should have no problems working with a Sandy Bridge CPU, ‘as for the Z68, P67, H67 and H61 chipsets, they're all compatible, in theory.’ Ivy Bridge processors are slated for release around March/April 2012.

Looking forward to Intel finally breaking the 4GHz barrier, or annoyed that your board might not be as future-proof as you first thought? Let us know in the forum.

34 Comments

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Phalanx 18th October 2011, 14:07 Quote
Wow.
yassarikhan786 18th October 2011, 14:15 Quote
VG news :).
V3ctor 18th October 2011, 14:34 Quote
I wish AMD could learn from Intel... my lovely SB's are going to be outpaced in such a short time :(

Sent from Bittech Android app
bdigital 18th October 2011, 14:48 Quote
I hope my p67 sabertooth will be compatible, without any major disadvantage
Floyd 18th October 2011, 15:04 Quote
I hope my Z68 board supports them.
I love my 2500k to death but if something killer comes out its nice to know that I can upgrade.
Parge 18th October 2011, 15:09 Quote
For any Gene-Z owners out there, there is a BIOS update on the ROG site enabling Ivy Bridge compatibility.
bulldogjeff 18th October 2011, 15:13 Quote
Just reading that and the words future proof and intel sockets do not belong in the same sentence.
Hakuren 18th October 2011, 15:19 Quote
Quote:
Originally Posted by bulldogjeff
Just reading that and the words future proof and intel sockets do not belong in the same sentence.
He, he, so very true.
CrapBag 18th October 2011, 15:23 Quote
Quote:
Originally Posted by bdigital
I hope my p67 sabertooth will be compatible, without any major disadvantage

Amen to that.

Only just bought mine and a 2500k and to be honest I'm more than happy with its performance, even at stock but if it was possible at a later date to drop an Ivy bridge chip straight in then that would be awesome.
azazel1024 18th October 2011, 15:47 Quote
TDP != actual power consumption. Honestly I expect there to be higher turbo thresholds, maybe a revamped turbo design and some other "gimicks" to improve single thread performance. That said, I can't imagine that with a 77w TDP, if accurate, that there isn't going to be a fairly large increase in core saturated frequency. It'd be cool to see top part frequencies to hit or exceed 4Ghz, especially with a rumored/claimed increase of 4-8% in IPC through some minor architecture tweaks.

Power savings, a good whack of frequency increase, a slight IPC improvement and a much, much better GPU and this thing sounds like a screamer of a desktop chip and even better in a lot of ways as a laptop part!
azazel1024 18th October 2011, 15:49 Quote
Revision on my above comment, the new TDP doesn't mean that the actual power savings will only be 19%, just that that is the new thermal cap on the chip, the actual power savings might be a lot larger than that, meaning lower frequency increases. Though I hope as a desktop part Intel is going to balance frequency and power savings and lean a bit more toward a frequency increase this time around.

Now the laptop parts, I'd take the minor IPC improvements, much better GPU and hold the line on frequencies or only a very slight bump in the name of saving a lot more power.
jrs77 18th October 2011, 16:17 Quote
The 19% decrease in TDP doesn't translate to a possible 23% increase of clockspeed as these two are not linear.

So a 5-10% increase in clockspeed, would be much more reasonable with the 19% decrease in TDP. That's still very good, as we would be talking about a base-frequency of 3.8GHz and a 4+GHz turbo.
Zurechial 18th October 2011, 16:28 Quote
I wish I could get an Ivy Bridge chip for my X58. :(
Can't really complain about the i7 920 though, still serving me well at 1.5v... somehow.

I've been planning to drop some cash on a Sandy Bridge laptop soon, but I'm wondering now if it'd better to wait for IB and hope for it to either neatly replace mobile SB or to cause a pricedrop on existing mobile SB systems.
Does anyone have any thoughts on that?
MrJay 18th October 2011, 16:29 Quote
Im holding out for Ivy Bridge before i upgrade, got alot of power to cram in a small space...If all the hype is correct these chips look tasty! Om nom nom!

I think people are right when they say the TDP is the maximum draw.
Means nothing is the chip is dog awefull at managing power when idling etc.
I guess the only way we will know is when benchmarks appear.
B1GBUD 18th October 2011, 16:40 Quote
37 moar frequencies? where do I sign?
l3v1ck 18th October 2011, 16:42 Quote
I doubt it will be "dog aweful" at managing power when idle.
Floyd 18th October 2011, 20:16 Quote
Quote:
Originally Posted by Parge
For any Gene-Z owners out there, there is a BIOS update on the ROG site enabling Ivy Bridge compatibility.

Yes, that rocks. I just picked mine up to replace my "sub par" P67 UD4 board.
This board already overclocks more than the UD4 could and its in a much smaller package.
digitaldunc 18th October 2011, 20:32 Quote
Will there be a downside to using the older chipsets?

77W TDP for a flagship chip sounds awesome -- sound like loads of mileage on not a lot of vcore.
Christopher N. Lew 18th October 2011, 20:34 Quote
Well, that's a difficult-to-understand multi-coloured chart, but does it show an enthusiast K-series (unlocked) i7 CPU with "8-threads" ? Is this what we more normally call a core or is it just 4 cores with hyperthreading?
Lord-Vale3 18th October 2011, 23:29 Quote
Awesome. Looks like watercooling may only be necessary for SB-E.

Getting a real itch for a new build, but am going to wait another 6 for Ivy Bride/new nVidia GPUs. I'm sure it will be well worth it.
kzinti1 18th October 2011, 23:46 Quote
I'm still waiting for word on the 2700K.
fluxtatic 19th October 2011, 05:39 Quote
Quote:
Originally Posted by Christopher N. Lew
Well, that's a difficult-to-understand multi-coloured chart, but does it show an enthusiast K-series (unlocked) i7 CPU with "8-threads" ? Is this what we more normally call a core or is it just 4 cores with hyperthreading?

4 w/HT. No way Intel is going to drop an 8-core out of the blue, especially on the 'tock' part of the cycle.

WIth BD just come out and falling a little flat, and more on IB leaking out just lately, I haz a sad. I've been with AMD almost all the way - I've only ever owned two Intel systems, an ancient laptop and an even more ancient desktop. AMD might be leading up to something huge with the BD arch, once the rest of the industry catches up with what it's doing, but more and more it seems like it might be time to defect. I really don't want to, as I'd like to do whatever tiny part I can to keep AMD in the consumer space, but it's been making less sense with every generation for the past 4 (of Intel's generations - it's only been two for AMD, and that's exactly the problem.)

Damnit, Intel, stop being so much better! >:(
Anneon 19th October 2011, 08:56 Quote
Unfortunate there still seems to be some uncertainty on backwards compatibilty. If I could be 100% sure that ivy bridge would be compatible with P67 or Z68 boards I would buy a 2500k now and replace the CPU after Ivy bridge launches.
Intel should give a difinitive answer as to compatible motherboards.
xaser04 19th October 2011, 09:40 Quote
Quote:
Originally Posted by fluxtatic
4 w/HT. No way Intel is going to drop an 8-core out of the blue, especially on the 'tock' part of the cycle.

Ivy Bridge is a Tick (or Tick + going by what Intel say) not a Tock.

Tick is defined by a new process node but utilising the same architecture whilst Tock is defined by a new architecture.

Intel are defining Ivy Bridge as a Tick+ because it has some arhictectural changes - especially to the IGP but is mostly just a process shrink.

You are right about not dropping a 8 core out of the blue, especially on what they class as the "mainstream" platform.

SB-E or IB-E will introduce 6 (and no doubt 8 core) processors on the SB architecture.
ven 19th October 2011, 10:07 Quote
I think it will be nice if we have socket for the chipset also (may seems crazy) instead of sticking on the board.
degree of upgrade will be more...
damien c 19th October 2011, 11:50 Quote
Maybe with Ivy Bridge we will get 8 core cpu's as Intel have said we are not get Sandy Bridge E 8 core cpu's because the TDP would be around 150w - 180w.

When I do my build in around March next year I will see what is around at the time but if they make a 8 core Ivy Bridge by then and it outperform's the, 6 core Sandy Bridge E cpu's then I will be buying 1 of those.
Landy_Ed 19th October 2011, 12:39 Quote
Quote:
Originally Posted by Anneon
Unfortunate there still seems to be some uncertainty on backwards compatibilty. If I could be 100% sure that ivy bridge would be compatible with P67 or Z68 boards I would buy a 2500k now and replace the CPU after Ivy bridge launches.
Intel should give a difinitive answer as to compatible motherboards.

Not sure about Intel necessarily providing this info, but Asus are already there : http://support.asus.com/Download.aspx?SLanguage=en&m=P8P67+PRO+(REV+3.1)&p=1&s=39
Landy_Ed 19th October 2011, 12:41 Quote
forgot to add - expand the bios section of that page
longweight 19th October 2011, 12:49 Quote
Intel: ∞, AMD: 0
Ajhayter 20th October 2011, 12:40 Quote
Looks good to me.

Might be a worthy upgrade from the i7 920, especially with being able to adjust the multiplier on the desktop.
storm_temple 20th October 2011, 12:52 Quote
I just wanted to know. When you guys upgrade your PCs. which is still very reliable and can run win 7.
What do you do with your old PCs? sell them? whole? parts? turn them to HTPC? donate to relatives friends 3rd world country?
TheStockBroker 20th October 2011, 18:41 Quote
Quote:
Originally Posted by storm_temple
I just wanted to know. When you guys upgrade your PCs. which is still very reliable and can run win 7.
What do you do with your old PCs? sell them? whole? parts? turn them to HTPC? donate to relatives friends 3rd world country?

Marketplace them, brah.
Doctor Hades 24th October 2011, 08:40 Quote
Sounds good. Ivy Bridge will be in my next PC along with the next NVIDIA card as I was planning on upgrading between now and next summer anyway.
thetrashcanman 24th October 2011, 10:22 Quote
Quote:
Originally Posted by damien c
Maybe with Ivy Bridge we will get 8 core cpu's as Intel have said we are not get Sandy Bridge E 8 core cpu's because the TDP would be around 150w - 180w.

When I do my build in around March next year I will see what is around at the time but if they make a 8 core Ivy Bridge by then and it outperform's the, 6 core Sandy Bridge E cpu's then I will be buying 1 of those.

You definitely won't be seeing 8 core Ivy bridge CPU's, they will be reserved strictly for the high end enthusiast section, If they don't come along with Sandy-E on LGA 2011 they they will probably come along with IVY-E on LGA 2011
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