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Exynos processors and LTE question


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#1 twospirits

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Posted 09 March 2012 - 11:02 AM

There have been numerous sites that state the reason why AT&T went with a 1.5 Ghz Snapdragon S3 Qualcomm MSM8660 processor in the Galaxy Note instead of the dual core 1.4Ghz Exynos 4210 processor found in the International version is because their LTE does not work well with it.

So two questions...

1-Why doesn't the Exynos processor work well with LTE (and by LTE I am referring to both the AT&T/Verizon)

2-Would the Sprint LTE have the same issue with Exynos processors?

Reason I ask is because Sprint is suppose to get the Galaxy Note, (as per rumored highly reliable) sources have mentioned. But no one would knows what the internal components would be. If Sprint were to get the European processor which by all test results is better than the US version, I feel it would have an advantage over AT&T and Verizon. Thus bringing in more customers.

Edited by davianny, 09 March 2012 - 11:03 AM.

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#2 Sgt. Slaughter

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Posted 09 March 2012 - 11:43 AM

There have been numerous sites that state the reason why AT&T went with a 1.5 Ghz Snapdragon S3 Qualcomm MSM8660 processor in the Galaxy Note instead of the dual core 1.4Ghz Exynos 4210 processor found in the International version is because their LTE does not work well with it.

So two questions...

1-Why doesn't the Exynos processor work well with LTE (and by LTE I am referring to both the AT&T/Verizon)

2-Would the Sprint LTE have the same issue with Exynos processors?

Reason I ask is because Sprint is suppose to get the Galaxy Note, (as per rumored highly reliable) sources have mentioned. But no one would knows what the internal components would be. If Sprint were to get the European processor which by all test results is better than the US version, I feel it would have an advantage over AT&T and Verizon. Thus bringing in more customers.


Not at my computer so I can't check right now. But i hadn't herd that those chips didn't work with lte...
If the Note has the MSM S3 chip then it also has an MDM chip for the lte as that's how they did it with thunderbolt...

At this point if it had an lte chip I would expect it to be S4 based and then it'll be 10x better than the current exynos used in world notes...

Though I don't follow much on that Exynos chips I'm surprised to hear no lte support...does the galaxy nexus have Qualcomm chip in it too?

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#3 RoccoM

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Posted 09 March 2012 - 12:16 PM

Not at my computer so I can't check right now. But i hadn't herd that those chips didn't work with lte...
If the Note has the MSM S3 chip then it also has an MDM chip for the lte as that's how they did it with thunderbolt...

At this point if it had an lte chip I would expect it to be S4 based and then it'll be 10x better than the current exynos used in world notes...

Though I don't follow much on that Exynos chips I'm surprised to hear no lte support...does the galaxy nexus have Qualcomm chip in it too?

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The Galaxy Nexus has a TI OMAP 4460 running at 1.2ghz.

The same CPU also powers the Motorola RAZR.

Both devices are more or less on-par with the Exynos Galaxy S2 and are far better performers than the Qualcomm S3 powered variants.

Edited by RoccoM, 09 March 2012 - 12:21 PM.


#4 twospirits

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Posted 09 March 2012 - 01:50 PM

Well i am only going by what i read thus the question for the experts here. I figure you guys know the LTE system much better.

These are the links where its been mentioned that AT&T went with Snapdragon instead of Exynos due to it not working well with their LTE network.

phandroid
"The AT&T version uses a dual-core Snapdragon for better 4G LTE capabilities where the international version uses Samsung's dual-core Exynos but features no compatbility with LTE."
phonedog
"The Galaxy Note comes to the States with a 1.5 GHz dual-core Qualcomm Snapdragon processor in place of Samsung's Exynos chip (due to it not supporting LTE technology). "
engadget
"We were a bit concerned when we learned that the AT&T Galaxy Note would not be rolling with Samsung's own 1.4GHz Exynos processor and would instead have a 1.5GHz Snapdragon chip inside. The clock speed may be higher but the performance is indeed lower. "







In other forums comments such as this was made...
AT&T forum
"Main advantage of the Qualcomm platform compared to Exynos platform is faster network data transfer, Qualcomm chipset allows network downloads up to incredibly 42 Mbps while Exynos platforms allows half of that. On the other side, Exynos has GPU advantage, Adreno 220 GPU isn’t a match for the Mali 400MP GPU.
So Qualcomm has stronger CPU, clocked at 1.5 GHZ with chipset that offers faster 42 Mbps network downloads, on the other side it has slower GPU but it will still run every game smooth and little if any visible lag compared to the International version. "



androidspin
The processor switch probably has something to do with LTE/GSM. There's only been a little bit of coverage about it. but apparently the Samsung Exynos processor doesn't play nice with LTE/GSM, especially the higher-speed variatns of GSM. That's why T-Mobile's Galaxy S II has a Sanpdragon processor, while Sprint has the Exynos.

So I don't know, even MobileTechReview made a mention of it in their video. But like i said I wanted to pass the question to you guys which I think would know more about it.

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#5 Sgt. Slaughter

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Posted 09 March 2012 - 07:30 PM

thats deff interesting there...ima qualcomm fan personally so i tend to follow their stuff pretty close. the first time i realized anyone doing this was with HTC OneX and i figured the ONLY reason they even did the Tegra3 at all was just to be able to say they had a quad-core phone as the dual-core S4 Qualcomm is better chip imho anyway as its a newer better process chip than the older tegra3...

crazy seeing Samsung using 3 different chip makers when they have their own line themselves....

#6 twospirits

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Posted 12 March 2012 - 07:15 AM

Speaking of Qualcomm, it seems to support both FDD and TDD LTE. in this article about China delaying 4g LTE and how it impacts Sprint and Clearwire, it states that of the two types of LTE,

FDD (frequency division duplex) and TDD (time division duplex), FDD is favored by GSM operators (such as Verizon and AT&T), TDD is what Clearwire is using if I am not mistaken, yet Sprint is also going for a FDD setup. That right there confuses me, but still, I feel the article is interesting none-the-less.


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#7 Sgt. Slaughter

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Posted 12 March 2012 - 10:08 AM

Speaking of Qualcomm, it seems to support both FDD and TDD LTE. in this article about China delaying 4g LTE and how it impacts Sprint and Clearwire, it states that of the two types of LTE,

FDD (frequency division duplex) and TDD (time division duplex), FDD is favored by GSM operators (such as Verizon and AT&T), TDD is what Clearwire is using if I am not mistaken, yet Sprint is also going for a FDD setup. That right there confuses me, but still, I feel the article is interesting none-the-less.


Problem I have with that article is that it states "...sprint created clearwire..." which is not the truth from what i understand.
Clearwire was created way back in 2003/2004...and not by Sprint. It wasn't till 07 when sprint announced their partnership with clearwire...

Don't think the China thing will effect sprint one bit. Only thing it might of helped was $ with clearwire overall and maybe help fund their buildout over here some? ...

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#8 ab30494

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Posted 21 March 2012 - 08:14 PM

http://www.phonedog....ynos-processor/

Looks like the Galaxy s3 will have a quad core with lte built in




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