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Very impressive, but it feels expensive to me. I'm cheap though.

The linked article was pretty light on the detail, and weirdly written. It never states how many cores the CPU has; I had to check Nvidia's page (http://www.nvidia.com/object/jetson-tx1-dev-kit.html) to find out: it's a quad-core so four cores.

Some pretty nice low-level embedded-style I/O on there too (GPIOs, I2C, I2S, SPI, TTL UART).



It's basically a stock Tegra X1 SoC built out into a single-board computer. so it's best to just look and see what has been previously written about the X1.

As such, I don't understand the embargo on performance measurements - barring any major surprises, I think Tegra X1's performance is pretty much known at this point.

The X1 has actually got 4xA53 and 4xA57 cores in a big.LITTLE style arrangement.


According to Wikipedia it's 8 cores (big.LITTLE, so depending on the kernel and microarchitecture they might not all be usable at the same time):

https://en.wikipedia.org/wiki/Tegra#Tegra_X1


Right ... that's weird, why isn't Nvidia's own Jetson-page more clear on this? Confusing.


~~You only get 4 usable at any given time. Either the big core runs (A57) or the LITTLE core (A53) runs.~~

Sounds like I'm mistaken.


Is this specific to Nvidia chips? Because that's not how it works on big.LITTLE SoCs from other manufacturers. In those you can use all cores at the same time if you want to.


Samsung 5410 worked like that, but apparently that was a bug in that SoC (fixed in the 5420 so you can use all 8 cores).




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