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R0ckstar
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re: Teardown: Samsung Galaxy S4
R0ckstar   4/29/2013 5:38:19 PM
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I received a couple of the Qualcomm variants of this phone last week. Although I am impressed with the RFID and IR remote capabilities and other features (oh yeah, and the phone), my main issue is the locked bootloader that hinders flashing of standard Android on the device for those who don't care for the Samsung flavor. This is the main downside to me for getting a non-nexus Android phone regardless of features.

kanag
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re: Teardown: Samsung Galaxy S4
kanag   4/29/2013 11:09:41 AM
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In some country, they have used Qualcomm Quadcore processor rather than Exynos octa. No such information on tear down.

JKT002
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re: Teardown: Samsung Galaxy S4
JKT002   4/29/2013 4:14:49 AM
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Agree :-) Sarcastic but to certain degree, very true.

joe_joe_
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re: Teardown: Samsung Galaxy S4
joe_joe_   4/28/2013 2:55:58 PM
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Hard to keep adding features when there's no one else to copy from.

chipmonk0
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re: Teardown: Samsung Galaxy S4
chipmonk0   4/27/2013 5:32:50 PM
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Allan : looks like you are the first with teardown of the S4. How about the size and speed of the new LPDDR 3 type of DRAM you found in it. How many dies for the DRAM ? How are they packaging all his ? PoP ? How much gap beteen the 2 packages stacked one over the other ?

eewiz
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re: Teardown: Samsung Galaxy S4
eewiz   4/27/2013 1:49:22 PM
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Mostly an incremental upgrade from S3. The one being released in my place comes with Qualcomm processor instead of the Exynos octa, which seemingly is a better choice w.r.t power consumption

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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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