GPU Performance

The Surface 3 with the Atom x7-Z8700 pairs the Intel Gen 8 Graphics from Broadwell with the Airmont CPU cores of Atom. Unlike the Broadwell cores though, the Surface 3 SoC only has 16 execution units (EUs) as compared to 24 in Core M. The maximum frequency is also reduced to 600 MHz for these cores, as compared to up to 900 MHz in Core M. This is all necessary to keep the x7-8700 in the 2 watt SDP.

So performance will be a step back compared to Core M, but really this should be no surprise. The interesting comparison will be how it compares to Surface Pro 3 with Haswell Gen 7.5 graphics and of course to Bay Trail equipped tablets.

We will start with some synthetic tests and then move on to DOTA 2 to see how it performs on a real world game.

3DMark Tablet

3DMark 1.2 Unlimited - Overall

3DMark 1.2 Unlimited - Graphics

3DMark 1.2 Unlimited - Physics

The GPU upgrade is a big improvement over the ASUS T100's Bay Trail graphics, but the Atom GPU still can not compete with the fastest tablet SoCs out there.

3DMark Notebook

Futuremark 3DMark (2013)

Futuremark 3DMark (2013)

Futuremark 3DMark (2013)

Futuremark 3DMark (2013)

Futuremark 3DMark (2013)

Futuremark 3DMark (2013)

Futuremark 3DMark 11

Comparing the Surface 3 to PC class hardware puts it in a pretty poor light when looking at GPU performance. Our 3DMark tests have the Surface Pro 3 with the Core i3 on average 40% faster than Surface 3. Comparing it to the Dell Venue 11 Pro with Core M, we find the Core M GPU is on average 47% faster, which is quite a gap. Let’s not forget though that the Surface 3 is a mere 2 watt SDP, whereas Core M is a 4.5 W TDP and the Haswell-Y in Surface Pro 3 is an 11.5 W TDP.

GFXBench Tablet (OpenGL)

GFXBench 3.0 Manhattan (Offscreen)

GFXBench 3.0 T-Rex HD (Offscreen)

As with the 3DMark scores, the GPU upgrade is significant, but still a ways back of the best tablet GPUs out there. Intel still has some work to do on this front.

GFXBench Notebook (DirectX)

GFXBench 3.0 Manhattan Offscreen 1080p

GFXBench 3.0 T-Rex Offscreen 1080p

GFXBench 3.0 Alpha Blending Offscreen 1080p

GFXBench 3.0 ALU Offscreen 1080p

GFXBench 3.0 Driver Overhead Offscreen 1080p

GFXBench 3.0 Fill Rate Offscreen 1080p

GFXBench 3.0 Render Quality (High Precision)

GFXBench 3.0 Render Quality (Medium)

We see a similar story with GFXBench on the notebook side. The 16 EUs in our Atom SoC just cannot compete against the larger and faster GPUs in Core.

Moving on to a real-world game, we use a custom DOTA 2 benchmark for our lower powered devices. It is a very popular battle-arena game, and the GPU requirements are not too demanding.

DOTA 2 Value

The GPU in the Surface 3 is really not enough to play most games, and even on our value settings, the Surface 3 is not a great experience for DOTA 2. The higher TDP of Core M lets it do ok in this test, but overall the Surface 3 is a long way back of even the Surface Pro 3 Core i3.

Storage Performance

Like most tablets, the Surface 3 utilizes eMMC storage rather than the SSD storage found on higher priced laptops and Core M tablets. It costs less, it is less complex, and it works. So expectations are that it will not be able to compete with the fastest solutions out there. But as a tablet, workloads should be less complex, at least in theory.

Unfortunately Microsoft shipped me the 64 GB version of the tablet, and due to PCMark 8 requiring a large amount of free space in order to perform its tests, it was unable to be run on this device. But we have run into this issue in the past, and we can turn to a couple of other tools to get a feel for how the storage performance is. Even though eMMC is slower than a good SSD, there is still different levels of performance based on the NAND in use and the controller.

I ran CrystalDiskMark over a 4 GB span and the results are below.

Surface 3 eMMC Storage (left) vs Surface Pro 3 Core i3 SSD (right)

Compared to a true SSD, the eMMC performance leaves a lot to be desired. In fact, most of the time when I was using the tablet and I found it slow, such as installing software, or loading programs, it was mostly disk bound. There are faster eMMC options available, but I will refrain from comparing it to other tablets since we do not have the same benchmarking tools for both.

System Performance Display


View All Comments

  • Skywax9016 - Monday, May 18, 2015 - link

    Asus also have Transformer Book T300 Chi for a tablet with the same specs as UX305 actually. I actually agree that Surface 3 is a pretty reliable tablet, but for the price, it will face some heavy competition to stay afloat. Reply
  • RafaelHerschel - Tuesday, May 5, 2015 - link

    I fail to see the appeal of access to apps that I don't need. With larger screens, higher resolutions, faster internet connections and more responsive websites, apps have become less relevant. And the stuff that is really useful to me is available for Windows.

    Separate point: for serious work on location, I use a bluetooth mouse, something that can't be done with an iPad.
  • MrTetts - Tuesday, May 5, 2015 - link

    I think we (as people who are interested in surface 3/pro 3) are a different kind of user to people who would want an ipad or something to play with. We are professionals/content creators as opposed to content consumers. Reply
  • zhenya00 - Tuesday, May 5, 2015 - link

    I disagree. As battery life has become an ever more important consideration in our modern devices, legacy Windows programs are becoming ever more out of date with their ability to consume as many resources as they like, indefinitely. Add to that the poor UI, the lack of any notification system, the incompatibility with Connected Standby, etc. desktop programs are anchors dragging Windows down with them. Reply
  • RafaelHerschel - Tuesday, May 5, 2015 - link

    This is not something that I have encountered. I will always prefer a desktop for prolonged work. From a notebook and/or tablet I expect a mix of fun, convenience and productivity.

    A Windows tablet will work with MS Office, iTunes, Netflix, Kindle, Google Play. I can look stuff up on Wikipedia, IMDb and so on. I haven't experienced any problem with cumbersome controls or poor battery life. A big advantage is that I can hook up a mouse, not something I can do with an iPad.

    I do have an iPad Air and a Samsung Galaxy S. Both are great devices, but the new Surface models seem to offer more of everything. If I didn't need more than one tablet, I would probably choose the Surface.
  • bleached - Saturday, May 16, 2015 - link

    I have a work SP3 and I feel the interface is very cumbersome when used as a tablet. I use Android for most anything else and I would barely call the SP3 a tablet. You quickly miss all the small things in Android like global multitasking, the back button, notification shade, quick settings, touch first UI and especially the lack of tablet apps.

    The SP3 is a great laptop but a crappy tablet.
  • simard57 - Thursday, May 7, 2015 - link

    how are you getting to $930?
    $600 + $130 for cover is $730
  • simard57 - Monday, May 4, 2015 - link

    price is on par with an iPad but it is seems more capable.
    how is it overpriced?
  • mkozakewich - Monday, May 4, 2015 - link

    iPad has better performance and battery life. A keyboard usually only costs $80 or less, too.

    Frankly, this should cost $50 less if they really want to compete. (I mean, all their margins are in the keyboard covers, anyway.)
  • AmbroseAthan - Monday, May 4, 2015 - link

    Better performance is very subjective if comparing the iPad to the Surface 3. Personally, I would take a Surface for access to Windows, being the actual programs would be much better than the iOS app alternatives.

    If all I was doing was videos and needed only light applications for work, than the iPad is not bad.

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