CUDA core count

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User Info: ncb1397

ncb1397
1 year ago#1
How many shader cores will the Switch have? - Results (46 votes)
128
13.04% (6 votes)
6
256
23.91% (11 votes)
11
384
13.04% (6 votes)
6
512
8.7% (4 votes)
4
640
0% (0 votes)
0
768
13.04% (6 votes)
6
896
2.17% (1 votes)
1
1024
0% (0 votes)
0
more than 1024
26.09% (12 votes)
12
This poll is now closed.
Pretty simple poll. I voted 512 as I take the Eurogamer report on clockrates as legitimate. There would be no reason to downclock to slower than a Tegra K1 in mobile mode which suggests higher than 256 cores. Also, the other Tegra chip that nVidia is releasing in 2017(Xavier) is a 512 shader core chip.

User Info: Shacky_101

Shacky_101
1 year ago#2
512 cores would be make the die size way too big, especially at 20nm. Why should they waste extra money just to downclock (aside from battery reason), instead of just going to 16nm and with less spus. It just doesn't sound too cost effective.

I think the best and not-unlikely configuration would be 384 cores clocked at 750mhz and 1.5-2 ghz for portable and console mode respectively. This configuration wil easily reach xbone and ps4 levels easily in console mode.

Although they're most likely going with 256 cores instead. Because we would be lucky to have anything more with decent clock speeds.
To be or not to be, William Shakespeare sucks.

User Info: ArabrockermanX

ArabrockermanX
1 year ago#3
Shacky_101 posted...
512 cores would be make the die size way too big, especially at 20nm. Why should they waste extra money just to downclock (aside from battery reason), instead of just going to 16nm and with less spus. It just doesn't sound too cost effective.


Well if it was Nintendo's call, I wouldn't expect it to be cost effective after the Wii U...
The internet, where people come to be a dumbass.

User Info: Shacky_101

Shacky_101
1 year ago#4
^good point. But I still think having 512 is out of the realm of possibilities
To be or not to be, William Shakespeare sucks.

User Info: Shacky_101

Shacky_101
1 year ago#5
Also, Tegra xavier is a soc that's 300mm^2 big that's meant purely automotive tasks. Just because the next tegra chip has something doesn't mean the Switch will.
To be or not to be, William Shakespeare sucks.

User Info: Board_hunter567

Board_hunter567
1 year ago#6
Every time I see one of these topics come up all I can think of as an answer is "at least two."
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Validate your purchases and discredit the purchases of others whenever possible. Numbers objectively define quality and enjoyment.

User Info: lightningbugx

lightningbugx
1 year ago#7
I would vote for 320 if you actually listed it.
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User Info: Shacky_101

Shacky_101
1 year ago#8
^you can't pick in between. The cuda cores are grouped together in units containing 128 spus, 4 rops and 4 tmus. That's how they were designed. I mean they could modify this, but that's extra development costs.
To be or not to be, William Shakespeare sucks.

User Info: NicknameMy

NicknameMy
1 year ago#9
I see 768 CUDA Cores inside it. And it is gonna be Pascal 16 nm.

The reason for increasing the CUDA Core amount but decreasing the clock speed is that it futureproofs the console (a later firmware update can increase clock speeds) plus lower clock speeds with more cores use less battery than higher clock speeds with less cores, if you look at the formula P=U*I. This is what we call a very energy efficient but still powerfull.

Pascal uses 64 CUDA Cores per SM.
My speculation on Switch TFLOPs: 0.5 undocked, 1.2 docked.
Pascal, 12 SM's, 768 CUDA Cores

User Info: Solis

Solis
1 year ago#10
Shacky_101 posted...
^you can't pick in between. The cuda cores are grouped together in units containing 128 spus, 4 rops and 4 tmus. That's how they were designed. I mean they could modify this, but that's extra development costs.

The Tegra K1 had 192 CUDA cores. Since the Switch's SoC was described as a "fully customized Tegra", they could modify it however they want, including mirroring the core configuration of the K1. I still think 256 is the most probable though.
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