I think some are missing the points. First, the tablet was DRIVING the 4K UltraHD TV screen...remember she said 4 X 1080P?? That's 8.3 megapixels running at probably minimum 60hz, and given that screen - probably 120hz. That means it's like driving a 1080P screen (2 megapixels) at 4X the refresh rate or potentially 8X. For example, typical refresh is at 30 frames per second on tablets and smartphones, but can run as high as 60 frames per second, so that means from 120 frames per second to as high as 240 frames per second in 1080p on a tablet or phone! Let's see another chipset compete with that (give'em time...maybe another few months at this rate!)
Next, the tablet was again PUSHING 7 channel High Definition audio. HD Audio is relatively high bitrates, potentially as high as 96Kbps for each channel, so you're talking about 6.7Mbps (not including the Sub-Woofer channel as it's very low bitrates). I agree that you're not going to experience 7.1 channel audio (7 distinct audio channels plus one devoted Sub-Woofer channel) out of a tablet with its tiny speakers, but why wouldn't you want to take your tablet to a friend's house and plug into his stereo and TV with an HDMI cable and blow his pants off? For that matter, it can also create 7.1 channel sound with headphones, or did you all miss that? Who wouldn't want a completely self-contained 4K UltraHD studio in the palm of their hands?
And let's not forget...it was doing BOTH CONCURRENTLY and didn't even jitter or flinch. This will take gaming animation and real-world applications on tablets and phones to levels of realism that will closely approach live actors on video. Imagine a full 3D High Resolution video tour of a house you're interested in purchasing...inside and out, with a working Television on the wall, a running hot-tub with jets roaring and steam rising, a real fireplace burning in the background with the wood snapping, beautiful furnishings and ornate woodwork throughout, and a beautiful garden with a lovely and calming waterfall, a gorgeous pond with live fish, birds flying and chirping in the fruit trees which are swaying in the wind outside, in full surround sound...but one that doesn't yet exist?
Advances in technology at this rate are beginning to push the envelope in Moore's law at the low end (where there's been very little attention recently - until now). See the chart below for what I mean. Just 2 years ago everyone was looking at 10 to 16 core processors for desktop and server applications, and watching that end of the scale. Now look back a few at the dual cores that emerged in the mid 2000s, and look how long it took to get to quad cores, almost 5 years. We were looking at dual-cores for smartphones and tablets just a year or so ago, and now we've got big/LITTLE?!
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