Hi Mathieu,
E-Cycles is so amazing! I Love it. Here are my results from my personal scene.
(Everything was rendered with auto tile size.)
900 AA Samples:
9min 17sek. = Master
4min 14sek. = E-cycles “May”
4min 31sek. = E-cycles “April”
900 AA Samples + master denoise:
10min 35sek. = Master
04min 07sek. = E-cycles “May”
06min 42sek. = E-cycles “April”
900 AA Samples + intel denoise:
04min 31sek. = E-cycles “May”
06min 46sek. = E-cycles “April”
In my Scene the master-denoiser is faster. The auto tile size chooses 240 tiles to render instead of 3600 tiles like on the intel denoiser.
Rendering was GPU only:
1x RTX 2080
2x RTX 2070
If you are interested in comparing the denoise results here is a picture.