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PCMark 8 from Futuremark runs through a variety of tests, and many of the test feature OpenCL support. If you would like to compare it against any other device we have tested, please use our online database, Bench. For comparison, I will graph it against several of last year’s Haswell-U parts, the Atom based HP Stream 11, and the Dell XPS 15, which has a higher wattage quad-core CPU and discrete GPU. Performance Graphsįor our performance workloads, we set the device to High Performance and then run through some benchmarks to cover a wide range of workloads. This should give a slight bump in GPU power over Haswell, and there may be some other minor differences in the GPUs. The outgoing Haswell parts had only 20 EUs. On the 15 watt Core parts, this change results in more execution units (EUs) per GPU, with the HD5500 in the XPS 13 having 23 EUs on the Core i3 model and 24 on the Core i5 and i7. Second, contrary to the CPU architecture, Intel has been iterating the GPU on every new processor. Because this is basically the same CPU architecture, performance gains will be secondary to the reduction in power consumption.
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Ticks are die-shrinks of the previous “Tock”, which is an architecture update, in this case Haswell. This is what is called a “Tick” on the Intel Tick-Tock roadmap. This brings a lot of advantages in terms of power consumption. The big changes with Broadwell-U over Haswell-U are two things.įirst, Intel has moved to the 14nm process, refining their 3D FinFET design. For a complete look at the launch, check out Ian’s coverage here. The XPS 13 is our first look at a notebook with Broadwell-U, which was launched concurrently with this and several other laptops at CES.