In some games 3090 has 280% 8K FPS vs 3080 (Benchmark by GameStar) : r/nvidia
Amazon.com: Cable Matters 8K DisplayPort 1.4 to HDMI 2.1 Adapter with 4K 120Hz / 8K 60Hz, 48 Gbps Unidirectional DisplayPort to HDMI 2.1 Cable Adapter in Black, Support for RTX 3080/3090, RX 6800/6900 and More : Electronics
Nvidia's new GeForce RTX 30 GPUs crunch up to 8K resolution at 60 fps
The New Pinnacle: 8K HDR Gaming Is Here With The GeForce RTX 3090 | GeForce News | NVIDIA
gurpgurp`s Unigine Superposition - 8K Optimized score: 6263 points with a GeForce RTX 3080 (320bit)
Adobe Premiere Pro - NVIDIA GeForce RTX 3080 Performance | Puget Systems
iBirdie 8K Fiber Optic HDMI 2.1 Cable Series X, RTX 3080 3090 (131ft/40m) NEW | eBay
VESA Certified] Cable Matters 3.3 ft DisplayPort Cable 1.4, Support 8K 60Hz, 4K 144Hz (DisplayPort 1.4 Cable) with FreeSync, G-SYNC and HDR for Gaming Monitor, PC, RTX 3080/3090, RX 6800/6900 - Newegg.com
skoopsro`s Unigine Superposition - 8K Optimized score: 6751 points with a GeForce RTX 3080 (320bit)
8K Fiber Optic HDMI 2.1 Cable 32 Feet 8K60hz 4K120hz 4K144hz HDCP 2.3 2.2 48Gbps Ultra High Speed Compatible with Apple-TV Dolby Vision Atmos PS5 PS4, Xbox One Series X, RTX 3080 3090 - Walmart.com
RTX 3080 Ti in 8K/4320p | Tested in 8 PC Games - YouTube
FORGOTTEN MASTERPIECE IN 8K ULTRA | MAD MAX | RTX 3080 TI - YouTube
RTX 3080 VS RTX 3090 - 8K - Gaming test - Side By Side - YouTube
GeForce RTX 3080Ti || TEST in 8K || - YouTube
Nvidia GeForce RTX 3090, 3080 and 3070 announced
EVGA GeForce RTX 3080 XC3 BLACK GAMING 10GB GDDR6 PCI Express 4.0 Graphics Card 10G-P5-3881-KR - Best Buy