Saturday, February 24, 2018
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DirectX 12 Shows MASSIVE Performance Leap!

Last week the guys over at PCWorld got their hands on the latest 3DMark test that actually shows how much more efficient the Windows 10-only API than its predecessor DirectX 11. Microsoft has said that DirectX 12 should have more than double the performance of the current DirectX 11 API, but looking at these results it shows quite a lot more!

3dmark12preview-100575018-orig

Tests were performed on a system using a Core i7-4770K on an ASUS Z87 Deluxe motherboard with 16GB of DDR3-1600 memory, a 240 GB Corsair Neutron SSD and either a Gigabyte WindForce Radeon R9 290X or GeForce GTX Titan X. All of the tests were performed at a resolution of 1280 x 720 as per Microsoft’s recommendation.

Both Microsoft and 3DMark do point out that this new test is not a tool to compare GPUs, but an east way to gauge a single PCs performance and API efficiency. It is not to be used to compare two PCs or as a GPU test. It is all about how your specific systems performs when running DX11 and how the same configuration performs when running DX12.

As you can see from the chart below using DirectX 11 the system was able to churn through 900,000 draw cells before performance drops under 30 FPS. When using the Mantle API we see a huge jump up to 12.4 million draw cells. Finally using DirectX 12 we can see an even more incredible jump up to 13.4 million draw cells.

dx12_api_perf_mantle-100575202-orig

Now the test was run again using the GeForce GTX Titan X, of course Mantle results are not on the graph as Mantle is not supported.

dx12_api_perf_4770k_titanx-100575302-orig

What about integrated graphics? Well Microsoft provided their own results from a Machine using a Core i7-4770R “Crystal Well” CPU with Intel Iris Pro 5200 graphics.

3dmark_api_test_4770r_iris_pro-100575218-orig

So what these tests show is that DirectX 12 is going to give gamers a nice performance boost, but you do have to keep in mind this is just a theoretical test, and not based on an actual game engine. Don’t assume you are going to get a 10x free performance boost from DX12 games later this year. To be realistic you are likely to see what Microsoft has said as a 50 percent increase in performance and this will of course all depend on the type of game and how it is coded.

All images courtesy of PCWorld.

Source: PCWorld | News Archive

Bob Buskirk
the authorBob Buskirk
About 10 years of computer experience. Been messing around with electronics since I was 5, got into computers when I was in highschool, been modding them ever since then. Very interested in how things work and their design.
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