These are all the same photo taken at ISO12800, 1/25 second, RF 50mm @1.2. All edited RAW photos in lightroom classic using the adobe beta DNG converter.
First photo boosted 2 stops with noise reduction, second photo boosted 3.5 stops with noise reduction, third photo boosted 3.5 stops without noise reduction.
I can see a small amount of banding at 3.5 stops overexposed in post using the BETA adobe DNG converter (not sure if that is contributing), which improves with noise reduction. This is no where near as bad as the 5D2 low light areas at high ISOs and the R5 is totally liveable. That said, if you are screwing up your photos by 3.5 stops at night then perhaps you should look into spending lessons on photography instead of buying a $4k camera.
