Here's a collection of images taken with the Sony RX100 VII at high ISOs to give a sense of how it performs in low-light conditions.
Sony RX100 VII Underwater Camera Review - Underwater Photography - Backscatter
Sony RX100 VII High ISO Sample Images Test & Review
The Ultimate Pocket Rocket: The new Sony RX100 VII gets A9 AF tech and can shoot at 90fps.
Rent a Sony RX100 VII
Sony RX100 VII High ISO Sample Images Test & Review
Sony RX100 VII review - Amateur Photographer
Sony RX100 VII « NEW CAMERA
The Camera I Almost Threw in the Ocean: Sony RX100 VII Review
Sony Cyber-shot DSC-RX100 VII Review: Digital Photography Review
Sony RX100 VII Review - 200mm in your pocket! - Compact Shooter
Sony Cyber-shot RX100 VII Review