Kabini Rumors

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zlatan

Senior member
Mar 15, 2011
580
291
136
Both Kabini and Kalveri will fight Haswell and Broadwell uarchs.

The Silvermont Atoms are out of AMDs reach.
Richland and Kaveri will fight with Haswell and Broadwell.

Kabini and Temash will fight with Bay Trail platforms.
 

Abwx

Lifer
Apr 2, 2011
11,167
3,862
136
I love how AMD loyalists like to think that AMD, on a 28nm process, will be able to pack in as much performance in a given power envelope as Intel will on a 22nm process for a low power design.
.

There was a thread about the intel node and it was closed
because intel afficionados complained that it was trolling ..

Anyway , the guy was right , Intel s 22nm is actualy 26nm ,
so dont expect a big advantage due to their process.

For thoses who are skeptic , just look at SB transistor density
at 32nm and compare to IB.

Despite most of the added transistor budget has been devoted
to the IGPU , wich should allow for even better density scaling
we can see that transistor density increased by only 60% , far
from the theorical 100% , and this match with an actual 26nm node.....
 

SocketF

Senior member
Jun 2, 2006
236
0
71
Anyway , the guy was right , Intel s 22nm is actualy 26nm ,
so dont expect a big advantage due to their process.
I beg to differ: Expect a big advantage, not due to 26nm, but due to finfets. These things are from the future

how much info is there on the next gen atoms? and how can you draw that conclusion?
THey will also use out of order execution, like any other modern architecture does, besides the old Atoms, which use the slow in-order-execution. It will be definitly an interesting competition, I am especially interested in the die size. The old Atoms were rather huge compared to AMD's Bobcat architecture.
 
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Abwx

Lifer
Apr 2, 2011
11,167
3,862
136
Finfet provide some advantage only at lower frequencies ,
dont be fooled by Intel s slide that showed 37% better
perfs than.....32nm planar!!

Should they display a comparison with 22/26nm planar
that their slide would show way lower advantage ,
particularly at average and high frequencies.

Edit : The finfets are decades old devices in the
discrete transistors and high frequency analog ICs
market , where they are called multigate mosfet transistors,
so much for being from the future...
 
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SocketF

Senior member
Jun 2, 2006
236
0
71
Finfet provide some advantage only at lower frequencies ,
dont be fooled by Intel s slide that showed 37% better
perfs than.....32nm planar!!

Should they display a comparison with 22/26nm planar
that their slide would show way lower advantage ,
particularly at average and high frequencies.
Well the topic here is Atom, isn't it? Guess at which clocks these chip will run ...
 

Abwx

Lifer
Apr 2, 2011
11,167
3,862
136
Dont know for the frequency but anywhere above 0.8V wont
show dramaticaly lower TDP than the same product manufactured
with TSMC s bulk process.
 

mikk

Diamond Member
May 15, 2012
4,172
2,210
136
People are leaning on its GPU performance increase as its differentiator, but they must not understand just how puny its predecessors' performance was. E-350 is not even in the same league as a mere HD 4000.

E-350 was on HD2000 level (the slower Sandy Bridge GPU variant). HD4000 is way faster. I expect a big GPU advantage for Temash against Bay Trail, at least a 2x advantage over Bay Trail. On the CPU side it probably will lose badly to Silvermont.

In a performance demanding game the HD Graphics 4000 won't run in 1+ GHz, just only 350 MHz.

This is plain wrong.
 

Arkadrel

Diamond Member
Oct 19, 2010
3,681
2
0
E-350 is not even in the same league as a mere HD 4000.
Your right the 17w Ivy Bridge CPU inside surface Pro, is about
2x or 3x as fast as the E350.

The E-350 is a brazo's model and a 40nm chip, from Jan 4th 2011. (Motherboard & chip = ~100$)
The i5-3317U is a Ivy bridge model and 22nm chip, from april 23rd 2012. (costs ~225$)

The jump from 40nm to 22nm is a big one.

Hopefully AMD can do better at 28nm than they can at 40nm.
 
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NTMBK

Lifer
Nov 14, 2011
10,269
5,134
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E-350 was on HD2000 level (the slower Sandy Bridge GPU variant). HD4000 is way faster. I expect a big GPU advantage for Temash against Bay Trail, at least a 2x advantage over Bay Trail. On the CPU side it probably will lose badly to Silvermont.

Given how little we know about Silvermont, I don't feel especially confident predicting its performance.
 

mikk

Diamond Member
May 15, 2012
4,172
2,210
136
Given how little we know about Silvermont, I don't feel especially confident predicting its performance.


Silvermont tablet is targeted for 2 Ghz while Jaguar for Tablet only 1,0 Ghz at a lower TDP. Furthermore Silvermont makes a bigger jump in IPC than Jaguar. This is all I need to know.
 

Olikan

Platinum Member
Sep 23, 2011
2,023
275
126
"pre-silicon estimate"....¬¬

mmm...kinda interesting this "burst tecnology"
 

mikk

Diamond Member
May 15, 2012
4,172
2,210
136
It says that the lower power parts will be about 5W ,
frequencies being 1.2-1.4Ghz according to THG.

The low power is attained thanks to subpar GPU as well...


Bay Trail Tablet is targeted for 3W or less at 2.1 Ghz. Don't confuse desktop Silvermont with tablet Silvermont.
 

pablo87

Senior member
Nov 5, 2012
374
0
0
As you can see in above chart brazos graphics pretty mich sucked and was way worse than HD 4000. And Haswell mobile graphics will be a lot faster than HD 4000. So no Kabini will lose also in that area and will be demolished in CPU performance.

You're correct on the CPU front but the gap has been seriously narrowed. On GPU, only Intel the company believes this.
 

pablo87

Senior member
Nov 5, 2012
374
0
0
Kabini's problem will be Bay Trail-M ("Silvermont" based SoC).

Oh my goodness, the return of the Celeron 300 strategy some 15+ years later!!!

I hope they re-used the slides at least - correction, ppt's didn't even exist then.
 

Vesku

Diamond Member
Aug 25, 2005
3,743
28
86
Pretty early to be declaring what will be viable. At the very least it's about time the brazos class of product was refreshed by AMD.
 

NTMBK

Lifer
Nov 14, 2011
10,269
5,134
136
Pretty early to be declaring what will be viable. At the very least it's about time the brazos class of product was refreshed by AMD.

Indeed. The canning of the 28nm Bobcats has to be one of my biggest disappointments from AMD of recent years (yes, even higher than Bulldozer, before you all pile in ). That chip could have made for some very nice ultraportables, and maybe staved off the demise of the netbook- if GloFo had delivered on their promises.
 

erunion

Senior member
Jan 20, 2013
765
0
0
Your right the 17w Ivy Bridge CPU inside surface Pro, is about
2x or 3x as fast as the E350.

The E-350 is a brazo's model and a 40nm chip, from Jan 4th 2011. (Motherboard & chip = ~100$)
The i5-3317U is a Ivy bridge model and 22nm chip, from april 23rd 2012. (costs ~225$)

The jump from 40nm to 22nm is a big one.

Hopefully AMD can do better at 28nm than they can at 40nm.

no doubt kabini will improve over Brazos. I don't doubt that it will double the gpu performance. The question is to what effect?

AMD is pushing the idea of gaming tablets. but with less GPU performance than hd4000 or trinity, will consumers see them that way? Or will they see them as still being the same budget product that Brazos is?
 

Abwx

Lifer
Apr 2, 2011
11,167
3,862
136
True that it has been the most "stable" AMD plateform ever , heck ,
even the frequency was barely increased , by a miserable 10%
or so....
 

monstercameron

Diamond Member
Feb 12, 2013
3,818
1
0
no doubt kabini will improve over Brazos. I don't doubt that it will double the gpu performance. The question is to what effect?

AMD is pushing the idea of gaming tablets. but with less GPU performance than hd4000 or trinity, will consumers see them that way? Or will they see them as still being the same budget product that Brazos is?

temash is their tablet chip and while it will be slower(by how much is yet to be seen) it will have much better battery life in comparison to and i5 ulv w/ hd4000. which seems more appealing to customers?

a)$499 atom clovertrail tablet, weak cpu & gpu(or valleyview), 3hr battery under full load and 8hrs normal usage

b)$499 temash tablet, better than atom cpu and gpu, 2hr battery under full load and 6hrs normal usage

c)$999 i5 tablet, better than temash cpu and gpu, <1hr battery under full load and 4hrs normal usage
 

Arkadrel

Diamond Member
Oct 19, 2010
3,681
2
0
From S/A reading their thread there about Kabini.

The dual core (1ghz) Temash is supposedly ~3-3.5w TPD
With a typical power usage of ~1w.

The quad cores (Temash) are supposed to clocked higher and have a ~8w TPD.
These will have 2 CU GCN.

Both will have: Dedicated video encode/decode pipeline, southbridge on chip, ARM cores? for TrustZone.


Crazy we re gonna start seeing x86 at 1watt typical power loads.
Even if that might just be 2x 1ghz cores.
 
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