Nvidia is providing the core technology that powers  Nintendo's next  generation NX console. Multiple sources have confirmed  that the new  machine is based around Nvidia's mobile-orientated Tegra  processor,  with development kits currently using the Tegra X1 chip found  in the 
Shield Android TV console and the Google Pixel C tablet. 
The news is bound to come as some surprise to those - 
including ourselves   - who suspected that AMD would provide the technology guts to the new   Nintendo machine, but what's clear is that the firm is planning to go   into a completely new, potentially revolutionary direction. Right now,   it is simply not interested in providing hardware that directly competes   with PlayStation 4 and Xbox One. It has its own ideas on where to take   next-gen gaming.
NX is a mobile games machine, albeit one with a  twist - principally  that the unit can plug into a base station that  transforms it into  something more akin to a conventional console.  However, the handheld's  side-mounted control areas are apparently  detachable, becoming  individual pads for two-player gameplay - as  revealed in today's 
big Nintendo NX news story   on this site. At a really basic level, NX is effectively a reversal of   the Wii U GamePad concept. It's a fully integrated mobile games  machine  you can plug into an HDTV, as opposed to a console with a  semi-portable  gaming component, bolstered with a unique 'go anywhere'  take on local  multiplayer. 
And the compromise there is clear - a relatively  lower level of  performance compared to the existing current-gen  machines. Nvidia's  Tegra technology is built with a specific profile in  mind: a delicate  balance between performance and power efficiency in  order to maintain  battery life, the life force of mobile gaming. What  this means is that  prior, plausible rumours of an AMD-powered console  with PS4-beating  performance and utilising x86 architecture are  erroneous. NX is  smaller, leaner, portable - and yes, less powerful.
Nvidia Tegra X1 specs
Here's  a quick lowdown of the Tegra X1's capabilities. It's a  combination of  four higher power ARM processors combined with a  quad-core arrangement  of four lower power cores. These are paired with a  cut-down version of  Nvidia's second-gen Maxwell GPU technology.
- CPU: Eight CPU cores (4x ARM Cortex-A57/4x ARM Cortex A53)
 
- GPU: 256-core second-gen Maxwell technology
 
- Media Support: Up to 4K 60fps (h.264/HEVC/VP9)
 
- Display Support: Up to 4K, 60Hz
 
- USB Support: USB 3.0 specification
 
- Manufacturing Process: 20nm
 
Nintendo  NX RAM allocation hasn't been revealed, but all Tegra X1  devices  shipped to date are equipped with 3GB of mobile-orientated  DDR3.
A look at the capabilities of Tegra X1 in its  Shield Android TV form.  Doom 3 BFG Edition and Trine 3 showcase the GPU  power of the mobile  processor - now imagine what Tegra X1 could do with  direct,  to-the-metal access for developers.
                 
 However, the fact is that Nintendo has a proven track record of   handing in graphical quality that belies the relatively meagre hardware   running it, whether we're talking about 
Super Smash Bros. on 3DS, 
Xenoblade Chronicles on New 3DS or 
The Legend of Zelda: Breath of the Wild on Wii U.
But  just how powerful is the NX relatively? In terms of the  capabilities of  Tegra X1, consider this: Doom BFG Edition on Xbox 360  and PS3 runs at  720p60 with frame-rate drops. The same game running on  the 
Shield Android TV   micro-console, based on X1, hands in a near-flawless 1080p60   presentation. Trine 2 - another 720p30 game on Sony and Microsoft's   last-gen consoles - operates at 1080p30 on Tegra X1. Typically speaking,   OpenGL games port really well to Tegra X1, while DirectX ports, like 
Metal Gear Rising: Revengeance and the recently released 
Resident Evil 5, aren't so impressive. 
But  the real question is this - what if the Tegra X1 hardware is  completely  divorced from its current Android underpinnings and paired  up with  direct, low-level access? If you're looking for an example of  the  revelatory upgrade to perceived performance this can have, consider  the  glory days of PlayStation Vita - 
Uncharted: Golden Abyss, WipEout 2048, 
Gravity Rush, and yes, a range of 
impressive PS3 ports.   These were all powered by a downclocked version of the same GPU found   in the iPad 3 and judged by today's standards, it's positively ancient   technology. However, even to this day, it's hard to find a mobile   shooter with anything like 
the technical sophistication of Guerrilla Cambridge's impressive 
Killzone: Mercenary.
                                                                                   
 Nintendo has an uncanny ability to extract more  from power-constrained  hardware. Check out how closely the Nintendo 3DS  version of Super  Smash Bros. matches the Wii U game, running on much  more powerful  hardware.
                 
 There's an additional wrinkle to the story too, albeit one we should   treat with caution as it is single-source in nature with a lot of   additional speculation on our part. This relates to the idea that the   Tegra X1 in the NX development hardware is apparently actively cooled,   with audible fan noise. With that in mind, we can't help but wonder   whether X1 is the final hardware we'll see in the NX. Could it actually   be a placeholder for Tegra X2? It's a new mobile processor Nvidia has  in  its arsenal and what's surprising about it is how little we actually   know about it.
Information on X2 is very limited, to the point where all the technical info we have on it is condensed into one presentation 
you can read here - 'Embedded Supercomputing at Nvidia' by Alex Ramirez of Nvidia Research. What we do know is that it is a core component of 
Nvidia's new Drive PX2 system   for the automotive industry, where two Tegra X2s are paired with a   brace of the firm's discrete GPUs based on the cutting-edge Pascal   architecture.
We also know it has an unusual CPU set-up - two  next-gen versions of  Nvidia's own Denver CPU cores, paired with an ARM  quad-core ARM  Cortex-A57 CPU cluster. But what we don't know is the form  its GPU  component will take because unusually, Nvidia has released no  specs on  this element whatsoever. Assuming that X2 offers a generational  leap  over X1 and uses the same Pascal architecture found in its new GPU   line, we are potentially looking at power more in line with the   current-gen consoles. And if Pascal is in play, it will also use 14nm   FinFET production technology compared to X1's 20nm process, meaning it   is much more power-efficient. Nintendo could also downclock the chip for   further efficiency savings and longer battery life while retaining the   lion's share of its processing power.
                                                                                   
 The Legend of Zelda: Breath of the Wild, as seen  at E3 2016. The game  is confirmed for NX, and Tegra hardware can  deliver increased visual  fidelity and better performance than Wii U.
                 
 It is worth stressing with a firm emphasis that everything we have   heard so far points to Tegra X1 as the SoC of choice for Nintendo NX,   and Tegra X2 may simply be a derivative version of X1 with Denver CPU   cores, designed for Nvidia's burgeoning automotive line - we literally   know very little about it. However, perhaps another factor to consider   is launch timing. NX launches in March 2017, almost two years after   Shield Android TV with Tegra X1 launched in May 2015. The timing may   suggest that Nintendo is waiting for mass production to become available   on a more cutting edge part. If the older Tegra X1 is indeed the core   component, availability there would not be a problem, suggesting a  delay  elsewhere in the pipeline. Alternatively, it may simply be the  case  that Nintendo is holding fire until a compelling array of launch   software is ready.
One element worth pointing out is that the move to a completely new   architecture will have backwards compatibility ramifications. Tegra   technology would have no problem whatsoever coping with existing virtual   console emulation (and indeed, the X1-powered Shield Android TV is one   of the best emulator boxes on the market) but running Wii U titles may   be a stretch too far. 
And one final note - we're still chasing  down details on the NX's  screen resolution. While Tegra X1 has shown  some potential at full  1080p, clearly a lower pixel count would free up  GPU resources for more  detailed imagery. On a mobile device, even a 720p  screen could work  beautifully - and few can complain about the quality  of Vita's 540p  panel. However, on the flip-side, NX is indeed a  console/mobile hybrid.  The games still have to look good on a  conventional HDTV in a world  where 1080p is effectively the standard.
We'll  continue digging and bring you more information when we can, but  for  now, Nintendo itself is giving nothing away, telling Eurogamer that   "Nintendo has not made any new official announcements regarding NX  which  is due to launch in March 2017. As such [we're] unable to comment  on  the various rumours and speculations circulating."