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[plchung3]

I am using RX 480 which I believe it would support OpenCL 2.0, when I tried the APP SDK 3.0 samples for example CalcPie.cpp it failed at this checking step

bool check2_x = deviceInfo.checkOpenCL2_XCompatibility();
if (!check2_x)
{

    OPENCL_EXPECTED_ERROR("Unsupported device! Required CL_DEVICE_OPENCL_C_VERSION 2.0 or higher");

}

I tried getting OpenCL 2.0 driver from AMD but the download links on AMD OpenCL™ 2.0 Driver  are broken.

[dipak]

It was an old experimental driver. Please try the latest one from here: Download Drivers [Under section: Latest AMD Drivers and Software--->Radeon™ RX 400 Series--> Choose as per the OS​​]