The Intel Atom Thread

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mikk

Diamond Member
May 15, 2012
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At least CHV should be way above BT in graphics performance. 400-700 Mhz @16EU Gen8 is way better.
 

Enigmoid

Platinum Member
Sep 27, 2012
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Base clocks on BT are a myth. The Chip will easily clock down when pushed (mobile variants such as the 3770z). Run Prime on those things and you will be lucky to hit 500 mhz.

Furthermore look at haswell-U. Significantly lower base clocks than Ivy-U but slightly more to the same performance.
 

Sweepr

Diamond Member
May 12, 2006
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Highly doubt it. Last time Intel did really good was in 2011, and it was down every year until 2014, which they did good. Now they had good basis for doing so. While Haswell wasn't as good as expected, it was a good improvement for Laptops. And even though financially and realistically mobile is a disaster, most do not think so, based on that hopefully they'll turn the losses around. What does 2015 bring? Disappointing Core M and Atom CT chips, and delays and delays.

Lets see, there's Moorefield which offers better than S801 performance and 64-bit support to mainstream phones and tablets like the $200 ASUS Zenphone 2. SoFIA will finally cover the bottom of the market with x86. Cherry Trail- offers a much needed >2x graphics performance boost compared to Bay Trail- and hopefully slightly better CPU performance. Broadwell-Y brings Core to fanless devices and you might want to check the benchmark results for the new ASUS convertible before calling it a disappointment. Also Skylake-Y should be out later this year. Yep, better than 2014 in my book.
 
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Nothingness

Platinum Member
Jul 3, 2013
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Base clocks on BT are a myth. The Chip will easily clock down when pushed (mobile variants such as the 3770z). Run Prime on those things and you will be lucky to hit 500 mhz.
That's the first time I have seen this mentioned. I have always thought throttling was happening, but it seems like no review site took the time to show that. Do you have a link to such a review?
 

dahorns

Senior member
Sep 13, 2013
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That's the first time I have seen this mentioned. I have always thought throttling was happening, but it seems like no review site took the time to show that. Do you have a link to such a review?

Is that true?

For the Venue 11 Pro with 3770z:

During our stress testing, the Venue 11 Pro handled the heat surprisingly well as compared to smaller rivals such as the ThinkPad 8. Whereas the ThinkPad immediately throttles its clock speeds under any and all combinations of CPU and GPU stress, the Venue 11 Pro manages stable a 1466 MHz across all cores under full CPU stress (the base clock rate) and 667 MHz (the maximum clock rate) on the GPU front. Temperatures under GPU stress are much higher than while CPU-only load is imposed, with a maximum recorded sensor temperature reading of 73°C versus 52°C for CPU load.
Finally, with both CPU and GPU load applied, the CPU still manages 1466 MHz across all cores (thus no throttling), but the GPU throttles finally to 311 MHz and remains there. Temperatures again reach 73°C.
http://www.notebookcheck.net/Dell-Venue-11-Pro-5130-Tablet-Review.117579.0.html

Clearly in smaller form factors it may throttle more (e.g., the referenced Thinkpad). But are these really loads (i.e., Furmark plus Prime95) you'd ever see in a phone or an <10 inch tablet?

I doubt there is any mobile chip that handles that without significant throttling.

P.S. Under either CPU or GPU load, the Thinkpad 8 hits 1200 for cpu and 311 for gpu. Both at the same time result in 533 and 311 respectively.
 
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Nothingness

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Jul 3, 2013
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I doubt there is any mobile chip that handles that without significant throttling.
I certainly agree with you, but some people here made it sound like everyone except Intel was subject to throttling as if Intel used magic dust in its process :biggrin:
 

dahorns

Senior member
Sep 13, 2013
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I certainly agree with you, but some people here made it sound like everyone except Intel was subject to throttling as if Intel used magic dust in its process :biggrin:

Yeah, understood. I think it just depends on what people mean by throttling. Are we talking about throttling under typical, extended workloads or during stress tests?

In my use of BT devices (venue 8 pro), I haven't seen any real evidence of throttling under the base clock. However, it definitely returns to the base clock in extended gaming sessions (i.e., starcraft 2 over 30 minutes).
 

Shivansps

Diamond Member
Sep 11, 2013
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Base clocks on BT are a myth. The Chip will easily clock down when pushed (mobile variants such as the 3770z). Run Prime on those things and you will be lucky to hit 500 mhz.

My Z3735D never, ever goes below the base 1.33ghz unless its at idle, or doing video playback.
 

Roland00Address

Platinum Member
Dec 17, 2008
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Broadwell-Y brings Core to fanless devices and you might want to check the benchmark results for the new ASUS convertible before calling it a disappointment.

Please provide benchmarks or point me to benchmarks for the T300 chi

2014 was a disappointment, but then again the chips that were released in 2014 were just different skus of the 2013 haswell and baytrail chips. The exception to this was mooresfield.
 

Sweepr

Diamond Member
May 12, 2006
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Please provide benchmarks or point me to benchmarks for the T300 chi

2014 was a disappointment, but then again the chips that were released in 2014 were just different skus of the 2013 haswell and baytrail chips. The exception to this was mooresfield.

From the Broadwell thread:

Core M 5Y71 @ fanless ASUS T300 Chi

Geekbench 3
Single-Core = 2975
Multi-Core = 5744

PC Mark 8 Accelerated
Home = 2671
Creative = 3238
Work = 3590
Storage = 4579





Core M 5Y10 @ fanless ASUS Zenbook UX305





It's faster than Haswell-Y at lower TDP, which allows for Core-based fanless devices. Time to get past the Lenovo Yoga 3 Pro trauma, it looks like new design wins will do better.
 

bullzz

Senior member
Jul 12, 2013
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@Sweepr - t300 chi benchmarks (ones posted here) are actually closer to haswell i5-4200u. those are amazing if true
 

dahorns

Senior member
Sep 13, 2013
550
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Run something really really heavy (like heavy 3D game).

As I mentioned earlier, it really depends on the device and form factor. Anything over 10 inches isn't likely to see much throttling below base clock, even under stress test loads.
 

Shivansps

Diamond Member
Sep 11, 2013
3,873
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Run something really really heavy (like heavy 3D game).

I played a 5 hour CIV5 game about 2 days ago whiout any issue, belive me, if it had gotten down anywhere less than its stock clocks i whould have noticed it because its bordeline playable since the first second.

BUT WAIT, i never tested running something like furmark+prime at the same time, im not sure what happen if i do a 100% CPU+GPU load i never tested that, but im 100% sure that CPU alone it does not go down below the base clocks, and in games it does not happen, but it is also strange that a game will load both things at 100%, its common that the IGP goes all the way to 100% fast because its very bad, but the cpu does not because its not needed, in CT that may change because the IGP is way faster.

EDIT: I just tested, it takes about 6min for furmark+occt for the temperatures to reach 90°C, after that the cpu freq starts to drop, first 1250, then 1150, then 1050 and kinda stopped after that, i dont want to kill the tablet, them temps where not dropping from 90 and in the bios the critical shutdown is 95.

As for CPU load alone, it just does not happen, it even takes a very LONG, and i mean LONG time for the quad core turbos to disengage, the temp just go to 82°C and kinda stay there, with all cores at 1580mhz... be advised that any kind of gpu load will inmidiatelly bring the CPU turbos down, BT-T just cant turbo and use the igp at the same time.

 
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mikk

Diamond Member
May 15, 2012
4,175
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http://www.fudzilla.com/news/notebooks/37040-mobile-braswell-pentium-coming-in-q3-15


That doesn't bode well if this is the fastest Cherry View-M SKU. And also delayed into Q3.


What happened to Fuad?


http://www.fudzilla.com/news/notebooks/37058-desktop-pentium-n3700-braswell-comes-in-q2-15


First of all Nxxx are notebook models. He claims that N3700 is a desktop model.....unlikely. Another stupidity is that yesterday he reported N3700 for Q3, today he reports N3700 for Q2. This guy is so chaotic insane.
 

dahorns

Senior member
Sep 13, 2013
550
83
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What happened to Fuad?


http://www.fudzilla.com/news/notebooks/37058-desktop-pentium-n3700-braswell-comes-in-q2-15


First of all Nxxx are notebook models. He claims that N3700 is a desktop model.....unlikely. Another stupidity is that yesterday he reported N3700 for Q3, today he reports N3700 for Q2. This guy is so chaotic insane.

There is also this gem:

Pentium N3700 desktop is based on the 14nm Braswell out-of-order core and it ships with a 1.6GHz base frequency. With Intel Turbo Boost technology, its top single core turbo clock hits 2.4GHz. it has four cores and four treads, 2MB cache, and supports DDR3 1600 memory. The N3700 comes with Intel HD Graphics at 400/700 MHz and has a 6W TDP.


A desktop processor with a 6W TDP? Is this a desktop for ants?
 

mikk

Diamond Member
May 15, 2012
4,175
2,211
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So we have two timeframes for the same model. Ouch this hurts. Fuad once again. It's a pity that someone with zero knowledge gets Roadmaps.
 

Shivansps

Diamond Member
Sep 11, 2013
3,873
1,527
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Im started to wonder, CT igp is x2 compared to what exactly? i just realised the violent IGP frecuency increase on the Z3745 and Z3775 compared to the first released ones.
 
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