Intel Core i7-5775C With Iris Pro Graphics Review: Broadwell For Desktops

PCMark 7 and 8 v2

Futuremark's PCMark 7 is a whole-system benchmarking suite. It has specific application performance measurements targeted for a Windows 7 environment and uses trace-based metrics to gauge relative performance (It has also been updated for Windows 8 compatibility). Below is what Futuremark says is incorporated into the PCMark suite...

Futuremark PCMark 7
General Application and Multimedia Performance
The PCMark test is a collection of workloads that measure system performance during typical desktop usage. This is the most important test since it returns the official PCMark score for the system
  • Windows Defender
  • Importing pictures
  • Gaming

Video Playback and transcoding

  • DirectX

Image manipulation
Web browsing and decrypting


Despite its lower clocks, the Core i7-5775C pulls out ahead of all of the other platforms here, mostly due to the performance impact of its 128GB of eDRAM cache and its much faster graphics engine.

PCMark 8 v2
System Level Benchmark

PCMark 8 v2 is the latest version in Futuremark’s series of popular PC benchmarking tools. It is designed to test the performance of all types of systems, from tablets to desktops. PCMark 8 offers five separate benchmark tests--plus battery life testing—to help consumers find the devices that offer the perfect combination of efficiency and performance for their particular use case. This latest version of the suite improve the Home, Creative and Work benchmarks with new tests using popular open source applications for image processing, video editing and spreadsheets. A wide variety of workloads have also been added to the Work benchmark to better reflect the way PCs are used in enterprise environments.

These tests can be run with our without OpenCL acceleration. We chose to run with OpenCL acceleration enabled to leverage all of the platforms’ CPU and GPU compute resources…

We have a different pool of reference data for the PCMark 8 tests, but as you can see, the Core i7-5775C's margins of victory in the two PCMark 8 tests we ran were much smaller. The Core i7-4770R has a similar eDRAM setup but with previous generation Iris Pro 5200 series graphics.

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