Surface Book Discussion Thread

Discussion in 'Microsoft' started by DRTigerlilly, Oct 6, 2015.

  1. Mesosphere

    Mesosphere Geek. Senior Member

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    Performance wise... Nothing, but then again that should never have been expected. I can put a budget desktop together that would run circles around the SB for a few hundred bucks.
     
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  2. ikjadoon

    ikjadoon Pen Pal - Newbie

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    That's true, but I think those chips used the older SMX CUDA cores. NVIDIA claimed that 128 Maxwell CUDA cores (SMM) has 90% the performance of an older 192 Kepler CUDA cores (SMX).

    Thus, it may be more similar to the NVIDIA GeForce 930M/840M. The 930M is being produced both with DDR3 and GDDR5. And the 930M has a 25W TDP, which fits with the extra 29 watts in the special power adapter of the dGPU SKUs. And the 930M has DX12 support with DX11 feature-level, also shown by the leak above.

    That GDDR5 upgrade is no joke: we're looking at 40% to 70% faster performance compared to DDR3. Why was only 1GB included? I think space & power, actually. From the discussions on HBM, VRAM is kind of big and doesn't use an insignificant amount of power.
     
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  3. Marty

    Marty Pen Pro - Senior Member Senior Member

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    The people here wont understand our pain...we already have a base MSRP markup compared to the States, then we pay up the nose on any form of shipping, and then now we have an exchange rate tax of +33%. Great times, eh?

    I tell ya, if I didn't love this country so much... ;)

    This table from the reddit thread gives the best estimation of the gpu prowess so far:
    Capture.JPG
     
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  4. MobileTechReview

    MobileTechReview Scribbler - Standard Member

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    The pen and size reduction would be the two things in the Surface Book's corner. Though honestly, I think the Vaio Z Canvas is the closer competitor since it has the same quad core i7 and a host of ports like the Dell.

     
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  5. ikjadoon

    ikjadoon Pen Pal - Newbie

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    OK, but none of those match. We need 384 cores with GDDR5 in roughly 30W.

    The 950M and 960M are pipe dreams. Those are 50-60W TDPs. The dGPU adapter only gives an extra 29W.

    The only chip with 384 cores with GDDR5 is the 930M. And, interestingly, it's got a 30W TDP.

    That's my prediction and I'll put money on it. (Wait, I meant to delete this sentence. But, it's already out there now. Ugh, curse my arrogance!)
     
  6. dstrauss

    dstrauss Comic Relief Senior Member

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    OK all you graphics Gurus - what exactly are we getting in the SB anyway? I read that reddit thread, and they all speculated iti would be marginally better than the Iris graphics in the SPro 4...
     
  7. Marty

    Marty Pen Pro - Senior Member Senior Member

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    So it's looking like a custom GT 930M with GDDR5 and a clock speed in-between the 940M and 950M.

    In terms of raw performance, my prediction is it will be roughly on par with the 940M in the TPY14 / Yoga 3.

    The top end SP4 i7-6650U with Iris 540, according to notebookcheck's estimates, is roughly equal to a 920M.

    So going by 3DMark11 scores, the SB would be ~2300 and the i7 SP4 ~1800. So we are looking at about 25% more raw graphics power, plus the advantages of Nvidia driver optimizations for games and CUDA support for Adobe/CAD.

    Still a significant upgrade, in my opinion. :)
     
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  8. Mesosphere

    Mesosphere Geek. Senior Member

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    Also the partially decoupled thermal headroom will come into play in a lot of cases as well. Tasks which are both CPU and GPU intensive will probably run significantly faster using the dGPU.
     
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  9. alextrela182

    alextrela182 Scribbler - Standard Member Senior Member

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    Good to confirm the NVMe SSD from Samsung meaning at least x3 better performance read/write than SP3.
    http://www.samsung.com/semiconductor/insights/news/14101

    The new NVMe-based SM951 SSD achieves sequential data read and write performance up to 2,260 megabytes per second (MB/s) and 1,600MB/s, respectively, while using Samsung’s leading-edge controller technology. These performance figures are the industry’s most advanced, with speeds four and three times faster than those of a typical SATA-based M.2 SSD which usually moves data at up to 540MB/s and 500MB/s, respectively.

    Sent from my iPad Air 2
     
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  10. michaelws

    michaelws Scribbler - Standard Member Senior Member

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    I am going to wait and read the posts once the SB and the SP4 are in the hands of users and artists and see what the opinions are then...and then make a decision. Until such time it will be me and my CC1.
     
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