As I discussed in our launch article last week, the Shield tablet is very much the culmination of lessons learned from 2013. While the Tegra Note 7 was a decent tablet, it had to eke out a profit through hardware sales against competition that was willing to sell their tablets with no profit on hardware. Meanwhile the Shield portable was a good portable gaming device, but it was far too specialized to be anything but a gaming device. Without an established gaming ecosystem, NVIDIA struggled against established competitors.

As a result of these influences, today NVIDIA is becoming the first OEM to launch a serious gaming tablet running Android. While gaming tablets have been done before, they’ve been few and far between. Now it has always been technically possible to take a high end tablet and make it usable for gaming, but for the most part these attempts are marred by either the need for root or an application that requires extensive work on the part of the user to create proper control profiles for each game. In addition, the SoC in the tablet is often underequipped for intensive 3D gaming.

That’s where the Shield tablet comes in. With Tegra K1, a dedicated controller, 2x2 WiFi, and a huge amount of custom software, there’s definitely a lot of ground to cover. Once again, while the Shield tablet is a gaming device, it must also be a good tablet. To that end, NVIDIA has tried to differentiate this tablet with DirectStylus 2 and dual front facing speakers/bass reflex ports. I’ve included a table of specifications below to give a general idea of what the tablet is like.

  NVIDIA Shield Tablet
SoC Tegra K1 (2.2 GHz 4x Cortex A15r3, Kepler 1 SMX GPU)
RAM/NAND 2 GB DDR3L-1866, 16/32GB NAND + microSD
Display 8” 1920x1200 IPS LCD
Network N/A or 2G / 3G / 4G LTE (NVIDIA Icera i500 UE Category 3/4 LTE)
Dimensions 221 x 126 x 9.2mm, 390 grams
Camera 5MP rear camera, 1.4 µm pixels, 1/4" CMOS size. 5MP FFC
Battery 5197 mAh, 3.8V chemistry (19.75 Whr)
OS Android 4.4.2
Connectivity 2x2 802.11a/b/g/n + BT 4.0, USB2.0, GPS/GLONASS, mini HDMI 1.4a
SIM Size None or MicroSIM
Price $299 or $399 (16GB/WiFi or 32GB/LTE) + $59 (optional controller)

Hardware

Outside of the basic specs, the tablet itself has a much more subtle industrial and material design. While the large speaker grilles are maintained from the Tegra Note 7, the dimpled look and feel is gone. Instead, the finish is very much reminiscent of the Nexus 5. The feel isn’t quite rubbery the way soft touch finishes tend to be. Instead, it feels more like a high grain matte polycarbonate. Along the sides, there’s a noticeable chamfered edge where the back cover meets the display, although in practice this mostly affects aesthetics rather than in hand feel. The flip cover that is designed for the device is almost identical to the one in the Tegra Note 7, and folds up similarly. As with the Tegra Note 7, there are two angles that the flip cover can take. Overall, the aesthetic is much more subtle than the Tegra Note 7, and looks quite similar to the Nexus 7 (2013).

While it’s important for the tablet portion of the device to have decent material and industrial design, ergonomics and material design are critical for the controller. While the Shield portable had great ergonomics, it was heavy because the entire device had to fit in the controller. With Shield Tablet, that’s no longer the case. The result is that the controller is significantly lighter. While it still has some heft to it, I no longer feel the need to rest my hands against a table after significant playtime.

The controller itself is just as good as the one on the Shield Portable. The buttons, triggers, bumpers, and joysticks are all very close in feel. The one big difference are the tablet/Android controls. Instead of physical buttons, they’ve replaced the physical buttons with capacitive ones. The volume controls have also been moved down to the bottom of the controller and changed from a single button that triggers on-display volume controls to a rocker that allows direct manipulation of volume. Just above the volume rocker is a clickpad, which can be used to move a cursor through the UI. While this option exists, it’s a bit unpolished as the sensitivity isn’t tuned quite right to quickly navigate through the tablet.

Of course, there’s more to the controller than just the buttons and controls. NVIDIA has made sure to do things right by using WiFi Direct for communicating between the controller and the tablet. The frequency used depends upon what access point the tablet is connected to, so it can switch between 2.4 GHz and 5 GHz as necessary. NVIDIA claims that using WiFi Direct instead of Bluetooth drops latency by half, and also allows for microphone input and sound output via 3.5mm jack through the controller. In practice, the controller works great. I don’t have any complaints about this at all. Pairing is as simple as pressing and holding on the NVIDIA logo for a few seconds, then opening the pairing application. Up to four controllers can be paired to the tablet this way, which introduces interesting possibilities for local multiplayer games such as Trine 2. I also didn’t notice a difference in response time of the wireless controller when compared to the wired controller of Shield Portable. It’s incredibly important to get the controller right for gaming devices, and NVIDIA has nailed it. Overall, I’m happy with the basic hardware for both the controller and tablet. While it would be interesting to see a metal unibody design on the tablet, it’s difficult to justify at the price point that this device has to hit.

Of course, while hardware is important, software makes or breaks this tablet, so that’s next.

Software: DirectStylus 2, Console Mode, ShadowPlay
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  • Knowname - Wednesday, July 30, 2014 - link

    who cares about the display? I get mine on Tuesday (preordered from Amaizon and picked no rush shipping fo da bling xD) and 90% of the time I'll be using it to play steam games on my TV. Reply
  • happycamperjack - Wednesday, September 03, 2014 - link

    Just got it. The screen is actually pretty good! Much better than I expected. Great contrast, black level, colors. It's more than good enough for a tablet. I got the original Nexus 7. This is much much much better than that! It looks similar to me to the new Nexus 7. Reply
  • sherlockwing - Tuesday, July 29, 2014 - link

    No Video playback battery life test? Reply
  • JoshHo - Tuesday, July 29, 2014 - link

    It was definitely planned but there wasn't enough time to finish that test. I'll update the review once I have those results. Reply
  • ams23 - Tuesday, July 29, 2014 - link

    Josh, how about some additional tests using the battery saver mode? Limiting fps to 30fps and reducing CPU clock operating frequencies should dramatically extend the gaming battery life with very graphically intensive benchmarks.

    On a side note, I should point out that not only does Tegra K1 have much higher Onscreen performance in GFXBench T-Rex HD test (which is the test used for battery lifetime and a minimum value long term performance data point) compared to most other ultra mobile GPU's, but is also renders with significantly higher [FP32] precision too. According to Oleg at B3D forum, Kishonti uses low precision FP16 shaders in the T-Rex test by default. Mobile Kepler and other modern day PC and console GPU architectures are designed for FP32 precision and not mixed or lower precision.
    Reply
  • mkozakewich - Tuesday, July 29, 2014 - link

    This! It's horrible to complain about the extra dynamic range like it's a bad thing, and then NOT test the battery-saving features.

    Limit the CPU such that it runs like the Shield portable, then set the framerate to 30 Hz and run the gaming battery tests again.

    (On my Surface Pro, for example, I'll set everything to the lowest possible, about 800 MHz, and I'll get a couple more hours out of it while playing games. High-Performance mode is for when you're plugged in.)
    Reply
  • JoshHo - Tuesday, July 29, 2014 - link

    Those are definitely planned as well, there were some issues with meeting deadlines so battery life testing had to be cut down somewhat. Reply
  • surbringer - Tuesday, July 29, 2014 - link

    Have you tried to run PPSSPP on it ? Reply
  • kyuu - Wednesday, July 30, 2014 - link

    I can run PPSSPP on my Venue 8 Pro, and the K1 in this tablet is certainly much more powerful GPU-wise than Bay Trail. Shouldn't be an issue. Reply
  • Johnny_k - Tuesday, July 29, 2014 - link

    Correction: you now can use Gamestream outside your house, (even over lte on the lte tablet version)

    Remotely access your PC to play your games away from your home.

    http://shield.nvidia.com/play-pc-games/
    Note that it is in beta
    Reply

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