Preview: Broadwell for the desktop – Core i7-5775C tested short




Broadwell: short tick

Intel’s tick-tock model would promise a yearly or up to eighteen monthly update of the processors of the company, but count it requires some creativity. So the first Broadwell processor in the form of Broadwell M series admittedly already released in September 2014, but the desktop saw since the Haswell-refresh updates. The original Haswell series was released in June 2013, and almost exactly two years later, Broadwell for the desktop. That gap of two years between tick and tock was filled by the refresh of Haswell Haswell one year after the introduction, but we can not speak of or tick tock.

Broadwell-H which

The tick Broadwell for the desktop, we see no major architectural changes officially, but a ‘shrink’ from 22nm to 14nm. This production process is accompanied by a smaller reduction in the TDP. Where Haswell- and refresh Haswell processors have a TDP of 84W afterworld, is brought down to the Broadwell H processors at 65W. The processors can go in the same motherboard as you Haswell processor are inserted, the Series 9 motherboards require only a bios update to accept the Broadwell processors.

Yet there are small changes to note in Broadwell processors. As added instructions to the isa. These four new extensions ADX, RDSEED, PREFETCHW and SMAP for improvements include encryption and security. On the graphics side got the GPU’s enhanced support for decoding vp8-, vp9- hevc and videos and has improved QuickSync, like displaying 4K images. For the desktop is also the most powerful Iris Pro version, the 6200. This GPU provides 48 execution units and 128MB eDRAM with a 128bit memory bus.


Because Intel us with the naming does not make it easier, let’s just put some names, model numbers and generations in a row. The Broadwell processors for desktop currently consist of two processors: the Core and the Core i7-5775C i5-5675C. Both are suitable for 9-Series motherboards with LGA1150 socket and works with DDR3L memory at 1600MHz. An interesting detail is that the graphics processor in both the Broad Wells Iris Pro 6200. The Iris Pro GPUs are Intel’s most powerful GPU’s that were built into socketed desktop processors to date but were used only in PGI chips. There are three other variants of the Broadwell H series, which are however sold as bga1364 package and therefore not suitable for sockets.

In addition to the Broadwell H processors for desktops, Intel has already released the Broadwell Y series in September 2014. These are known as SOCS Core M and are intended for ultra-mobile devices. The Broadwell U series was introduced in January and includes dual cores with TDP of 15W and 28W. In the future, are yet to be Broadwell-processors for the LGA2011-V3-socket delivered, in combination with DDR4 memory.


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