Yup, can only be reviewed at 4k, its in their reviewers guide.
Was in those benchmarks that VCs posted.
NO
All that it says is.
This just means that the figures given in the reviewers guide are done at 4k, not that reviewers cannot test at different resolutions.In GeForce RTX reviewer’s guide, NVIDIA is not using any other resolution than 4K. So all benchmarks (except VRMark Cyan Room) were performed at 3840×2160 resolution. In fact, the RTX 2080 series were ‘designed for 4K’, as the document claims.