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Could someone with a LG B9 and RTX 3080 test 4K@120hz HDR please?

There has been lots and lots of contradictory info regarding the ability of the B9 to weather or not support 4K @ 120 hz with HDR

Now that there are HDMI 2.1 video cards out there, can someone PLEASE help me test that?

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I have the B9 but I don't have any HDMI 2.1 source to test (3000 series was too much for my wallet)

 

AFAIK the B9 was listed for official HDMI 2.1 support on all 4 HDMI ports on LG Official website, so theoretically you can just plug the video card to the TV itself and it should just work with 4K 120Hz

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Console Corner: PlayStation 4 Pro | LG B9 OLED TV | Sony HT-X9000F Soundbar

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I found no info on this either.

 

The LG OLEDs are having issues with the 30 series cards and it looks like LG is addressing it.  They don't mention the B9 but they don't leave it out.

Here in my favorite TV reviewer doing a video on it.

 

RIG#1 CPU: Intel i9 10900k | Motherboard: ASUS ROG Maximus XII Hero | RAM: Corsair Vengeance RGB Pro 32GB DDR4 4000 | GPU: EVGA  RTX 2080 ti FTW3 ULTRA | PSU: EVGA 1300 G2 | Case: Cooler Master H500M | Cooler: SilverStone PF360 | SSD#1: Crucial P1 1TB | SSD#2: Crucial MX500 2.5" 2TB | Monitor: LG 55" 4k B9 OLED TV


RIG#2 CPU: Intel i7 8086k, 5ghz all cores| Motherboard: ASUS ROG Maximus X Hero | RAM: G.SKILL Ripjaws V Series 16GB DDR4 3200 | GPU: EVGA RTX 2080 ti FTW3 ULTRA | PSU: Corsair RMx1000W | Case: Cooler Master HAF X | Cooler: Noctua NH-D15 | SSD#1: Crucial MX300 2.5" 1TB | SSD#2: Crucial MX500 2.5" 1TB | Monitor: LG 55" 4k B9 OLED TV

 

RIG#3 CPU: Intel i9 9900k, 5ghz all cores| Motherboard: AORUS Z390 Ultra | RAM: Corsair Vengeance RGB Pro 32GB DDR4 3200 | GPU: EVGA GTX 1080 ti SC | PSU: EVGA 1000 GQ | Case: Streacom BC1.1S | Cooler: Noctua NH-D15 | SSD: Samsung 870 EVO 2TB | Monitor:Samsung 28" 4k 60hz  

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Just got my MSI 3080 and I have a B9. 4K 120hz HDR works fine except you have to turn off GSYNC. In fact GSYNC needs to be turned off no matter what refresh rate or HDR other wise you get black screens, artifacts, etc. 

 

Hope this gets fixed. 

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