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[WCCF] Tegra K1 Almost 4 Times Faster than Tegra 4 - Page 4

post #31 of 97
Quote:
Originally Posted by Artikbot View Post

My question is:

Uses half a watt less, has 30% faster processor, and according to you, a much faster graphics part.

And it is still manufactured using the same TSMC 28nm process. Unless AMD is purposedly sticking resistors on their die to increase power consumption, it simply does not add up.

Uses half a watt more, not less, and as we know, kepler is more efficient than GCN at higher frequencies.

Oh and it's ARM and not x86...

I don't see why it's so unbelievable.
 
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post #32 of 97
Quote:
Originally Posted by Alatar View Post

Uses half a watt more, not less, and as we know, kepler is more efficient than GCN at higher frequencies.

Oh and it's ARM and not x86...

I don't see why it's so unbelievable.

Yes, you're right about the power consumption, derped the numbers.

We know that Kepler is more efficient at higher clockspeeds... In the fully fledged variant of it. We have absolutely no idea of its performance on a mobile chip, with a mobile OS, mobile memory, and ARM powering it.

About ARM or x86... Look at Intel's x86 mobile chips. As long as it's done right, it couldn't matter less the instruction set it runs on.


As I said, the numbers don't add up because 1) ARM. 2) same manufacturing process, and unless AMD is using technology from the Sempron days or NVIDIA is using Intel's IP and fabs, they are just not going to pump a chip that is that much faster all around with a power consumption just 10% higher.
   
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post #33 of 97

the performance gain doesn't mean a lot. They have set a bar, not too high for their competitors. Since Apple aims to double the performance every year, their highest end tablet( iPad pro maybe, Rumors Rumors) should also aim for at least that which would mean just as much(i doubt it to be on the lower side) performance as Tegra K1. Qualcomm's got their plans working for 64bit, Intel would be readying Blah-Blah-tail, no offense, even though Nvidia is doing their best so are its rivals.

 

Id call Nvidia vs Intel(tablets) vs. Apple & on the smartphone side we have Qualcomm and maybe Samsung(i dunno much about their plans) Its still much speculation but definitely expected from these giants. In the end its us who'll benefit. :cheers: 

post #34 of 97
GCN cores are ~ 20% weaker then kepler but the higher sp count you go, the closer they pull together, but I think that has more to do with the increased proportion of rastisizers and geometry units as well as a wider bus width. Im sure throwing a 512 but bus into Kepler would uncork it a bit more.
     
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post #35 of 97
From what i have seen Intel dual core atom cpu perform better than a15 cores in android.

I expect AMD's solution to do the same.
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post #36 of 97
I though K1 had next-generation A57 ARM cores?
Quote:
Originally Posted by icanhasburgers View Post

Apple proved that even a Dual Core chip still stack up to Quad Cores, and AMD Mullins is up to 2x the performance of it's last gen APU mobile chip, but Tegra 4 to K1 is a huge, huge leap, so i feel AMD Mullins isn't going to hold up to it. I haven't seen any numbers on AMD Mullins, either. It's not all about cores.

No Apple proved that their APIs and browser rendering engine is tailor-made to their hardware and takes full advantage of the intricacies of their microarchitecture. In overall integer and floating point performance, the A7 still loses to likes of Snapdragon x00 and Tegra 4.
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post #37 of 97
Quote:
Originally Posted by bencher View Post

From what i have seen Intel dual core atom cpu perform better than a15 cores in android.

I expect AMD's solution to do the same.

quad jaguar at 1.5ghz vs. quad A15 at 1.9ghz:



the 4.5W versions coming out at some point from AMD will have basically the same cores except that they use less power. The frequencies will be in the 1000-1300MHz range.

The A15s in K1 are going to be clocked at 2.3ghz.

Assuming a speed of 1.3ghz for a quad jaguar the K1's arm cores should come out around 30% faster if you do the math.
Quote:
Originally Posted by BizzareRide View Post

I though K1 had next-generation A57 ARM cores?
No Apple proved that their APIs and browser rendering engine is tailor-made to their hardware and takes full advantage of the intricacies of their microarchitecture. In overall integer and floating point performance, the A7 still loses to likes of Snapdragon x00 and Tegra 4.

anand:
Quote:
The SoC will come in two versions, one version with a quad-core (4+1) Cortex-A15, and one that leverages two of NVIDIA’s own 64-bit ARMv8 Denver CPUs.
 
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post #38 of 97
Quote:
Originally Posted by Alatar View Post

quad jaguar at 1.5ghz vs. quad A15 at 1.9ghz:



the 4.5W versions coming out at some point from AMD will have basically the same cores except that they use less power. The frequencies will be in the 1000-1300MHz range.

The A15s in K1 are going to be clocked at 2.3ghz.

Assuming a speed of 1.3ghz for a quad jaguar the K1's arm cores should come out around 30% faster if you do the math.
anand:

I don't see anything bad about those scores :/

Or am i missing something?
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post #39 of 97
Quote:
Originally Posted by Alatar View Post

Nope. Even at under 2ghz four A15 cores are enough to handily beat the 1000-1300MHz jaguar cores of the low power AMD chips.

K1's A15 cores are supposed to be clocked at 2.3ghz. That should result in around 30%+ more CPU performance than in the 4.5W AMD chips.
http://www.notebookcheck.net/SoC-Shootout-x86-vs-ARM.99496.0.html

Seems like you're right with a15's at 2,3 they would match in cpu perf if the jaguar cores ran at 1,5.
Puma however cuts the "SDP" in half and should get a ~30% performance boost on the cpu side. I think they might be on par considering AMD's Discovery CES prototype was actually running real desktops games.

Tegra has never been a real succes but if they release it soon it may do well.
post #40 of 97
Quote:
Originally Posted by BizzareRide View Post

I though K1 had next-generation A57 ARM cores?
No Apple proved that their APIs and browser rendering engine is tailor-made to their hardware and takes full advantage of the intricacies of their microarchitecture. In overall integer and floating point performance, the A7 still loses to likes of Snapdragon x00 and Tegra 4.

I stand corrected then.
    
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