Early Benchmarks Of The Linux 4.9 DRM-Next Radeon/AMDGPU Drivers
The R9 285 was also slightly slower with the very basic OpenArena run.
The AMDGPU performance was slightly lower with Tesseract it seems. Tests from other cards still forthcoming.
With Xonotic was a huge slowdown for the R7 370 at ultra image quality settings, but this is also during the time it was spewing loads of call traces to dmesg.
The ultimate image quality settings put the DRM-Next code in better light for the R7 370.