The v0615v4 build offers improved compliance with the Vulkan 1.0 (and partial 1.1) specifications. This allows emulator developers to utilize lower-level access to the GPU, reducing CPU overhead compared to Open GLES. This is crucial for achieving full-speed emulation on mid-range smartphones.
Being a test driver, v0615v4 is not bug-free. Community reports highlight: qualcomm v0615v4 vulkan driver
After installation, use apps like DevCheck or AIDA64 to verify the driver version. You should see: The v0615v4 build offers improved compliance with the
Driver Version: Qualcomm Vulkan Driver 0615v4
Vulkan API: 1.3.260