Max settings for all of these, running on the press driver for RTX 3080 reviews (456.16)
Forza Horizon 4 - 4K at 150FPS (+48% 2080S)
Far Cry 5 - 4K at 100FPS (+62% 2080S)
Borderlands 3 - 4K at 61FPS (+56% 2080S)
Assassin's Creed Odyssey: 4K at 67FPS (+48% 2080S)
Horizon Zero Dawn: 4K at 76FPS
Shadow of the Tomb Raider:
RTX with DLSS OFF - 84FPS at Native 4K
RTX with DLSS ON - 100FPS at 4K
Control:
RTX with DLSS OFF - 50-60FPS at Native 4K
RTX with DLSS ON - 100FPS at 4K
Death Stranding:
DLSS OFF - 100FPS at Native 4K
DLSS ON - 160-170FPS at 4K
and the synthetic benchmarks just for fun
3DMark Fire Strike Performance: 31919 (+25% 2080Ti, +43% 2080S )
3DMark Fire Strike Extreme: 20101 (+24% 2080Ti, +45% 2080S )
3DMark Fire Strike Ultra: 11049 (+36% 2080Ti, +64% 2080S )
3DMark Fire Strike Time Spy: 17428 (+28% 2080Ti, +49% 2080S )
3DMark Fire Strike Time Spy Extreme: 8548 (+38% 2080Ti, +59% 2080S )
3DMark Fire Strike Port Royal: 11455 (+45% 2080Ti, +64% 2080S )
https://www.bilibili.com/video/BV1m5411b7NG