The detachable laptop Surface Book released by Microsoft a while ago has fascinated many users, but Microsoft has not yet released the specific specifications of its GPU. Now someone on Reddit has received the pre-sale Surface Book and sent out the detailed specifications of the GPU. Unexpectedly, it is just a 64bit 940M.

Friends who have seen the 2015 Microsoft Autumn New Product Launch must still be impressed. At the launch, Microsoft said without fear that the performance of the Surface Book is twice that of Apple MacBook Pro. However, from the current situation, The 940M Maxwell architecture of the GDDR5 on the Surface Book has only 384 stream processors. The core frequency is 954MHz, the bit width is 64bit, the total bandwidth is 40.08 GB/s, and the video memory is 1GB GDDR5.

How does this performance compare with the 2015 MacBook Pro? The 13.3-inch MacBook Pro is all equipped with Intel core display, but it is an enhanced version of Iris Graphics 6100. What is its level? In fact, it is not much better. It is on the same level as the GT720M (Fermi architecture, 96 stream processors, DDR3 video memory), so you have to say that the 940M of the GDDR5 version of the Surface Book can do the same? Of course, there is no problem. However, compared with the 15.4-inch MacBook Pro (R9 M370X), the performance of the Surface Book is a bit urgent.

Most media have been speculating that the GTX950M is likely to be on the Surface Book before, so what is the difference between the 940M of the D5 version and the GTX950M of the D5 version? The public GTX 950M is Maxwell rack, GM107 core, 640 stream processors, 128 bit wide, core frequency 914~993MHz, 64GB/s, both specifications and performance It is equivalent to the GTX750TI of desktop video card.

What about the 940M? Although it is an enhanced version of GDDR5 video memory, it is also 86 at the fastest speed. Maxwell rack, GM108 core, 384 stream processors, 64 bit width, 40.8 GB/s bandwidth, and 954 MHz core frequency, its performance is only equivalent to the GT740 level of desktop level graphics card 64 bit.

So, the 940M on the Surface Book can only be said to be an outstanding one. The ideal is very beautiful, and the reality is very skinny. At first glance, the Surface Book, which is very good in all aspects, actually uses such a graphics card, which is also worthy of the name of Microsoft. Although it is 940M, the low configuration cost 12080 yuan! Eh, who said to buy it before?