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Forums - Gaming - Switch is powered by stock Tegra X1

Tryklon said:
So, tech pros, whats the Teraflop output of a stock X1?

PS4 has 1.84 and XB1 has 1.33, what about the X1?

0.5



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caffeinade said:
Tryklon said:
So, tech pros, whats the Teraflop output of a stock X1?

PS4 has 1.84 and XB1 has 1.33, what about the X1?

0.5

Any source to that number?



PS4: Tryklon  Steam: Tryklon

Switch: 0307-6588-7010 | New 2DS XL: 2037-2612-6964

MacBook Air (Mid 2017) | iPhone SE | Apple Watch Series 3

Tryklon said:
caffeinade said:

0.5

Any source to that number?

http://www.anandtech.com/show/8811/nvidia-tegra-x1-preview/2

Tegra X1 = FP32 Peak:  512 GFLOPS   (when the GPU is running 1000mhz)

 

Switch GPU runs 768mhz, so its like ~393 Gflops.

Playstation 4 is 1840 Gflops.

 

------------------>  PS4 is atleast 4 times as powerfull.



http://www.nvidia.com/object/tegra-x1-processor.html

You can calculate the FLOPs by multiplying clockrate then further multiplying by two for the Maxwell architecture.
the stock x1 is ~ 1GHz.

So 1000 * 256 (cores) * 2 = 0.512 TFLOPs

This is of couse for single precision.



393 when docked apparently.
157 undocked



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Not really that bad honestly, the Xbox 360 had 240 GFlops, and it remaisnto be seen if the X1 on the Switch is really stock. 

Plus, what I see on Zelda is well beyond 157 in portable mode... that number seems way off



PS4: Tryklon  Steam: Tryklon

Switch: 0307-6588-7010 | New 2DS XL: 2037-2612-6964

MacBook Air (Mid 2017) | iPhone SE | Apple Watch Series 3

Tryklon said:

Not really that bad honestly, the Xbox 360 had 240 GFlops, and it remains to be seen if the X1 on the Switch is really stock. 

No it doesnt.

Thats what this thread is about.  PROOF that the switch is a normal Tegra X1.

Someone cut open the chip and took a photo, and looked at it, and it looks to be identical to the Tegra X1.



caffeinade said:

http://www.nvidia.com/object/tegra-x1-processor.html

You can calculate the FLOPs by multiplying clockrate then further multiplying by two for the Maxwell architecture.
the stock x1 is ~ 1GHz.

So 1000 * 256 (cores) * 2 = 0.512 TFLOPs

This is of couse for single precision.

Switch only runs at 768mhz though (when docked).

For the Switch it then becomes:  768mhz * 256 (cores) *2 = 0.393 TFLOPs  (393 Gflops) (docked)

 

Tryklon said:

Plus, what I see on Zelda is well beyond 157 in portable mode... that number seems way off

The Wii U is only 176 Gflops, and it does Wii U games in 1080p.

Its not a stretch that 157 Gflops Switch could do Wii U graphics in 720p.

So no the number doesnt seem way off, also its a newer architecture than that old Wii U... more bang for buck there.

Even in portable mode, the switch probably is equal to the Wii U.



Also, remember the X1 does have support for half floats; meaning for math that does not require single precision (such as hair rendering) the chip can do 1 TFLOP.
This is a feature that the Xbox One and the PS4 (non - Pro) does not have.



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