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PC Graphics

AMDbLake_4k
Adept I

I have a few questions regarding the 6800xt

I’d like to start this off by saying I haven’t been all that interested in AMD at all until I noticed how much overpriced the 4070 series (ti,super, and ti super) and I saw bench marks around the exact same with this gpu even with a lower price 

so I’m considering getting it but I need to know can I pair this with my 13900k without any problems (yes I have a tuff cpu I stream and I want to game with high fps while streaming… I play rocket league, Fortnite, call of duty, and will start playing Valorant once I build this first pc build of mine) but I’m wondering if I can pair this gpu with a Pcie 5.0 atx 3.0 compatible psu 

specifically the “MSI A850G Pcie 5” psu or no because the 6800xt is Pcie 4.0?

also would I end up being bottle necked by either one of these the gpu or cpu?

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6 Replies
FunkZ
Grandmaster

The 6800XT is a Navi 21 core card, which puts it in the top tier of previous generation graphics along with the 6900XT and 6950XT. Performance-wise in straight-up rasterization the 6800XT is usually the equal of the 7800XT if not slightly better in some games, yet it is selling for much less than MSRP because it is a last-gen card. You should have no compatibility problems pairing it with your Intel system.

That said, if you want to enable ray/path tracing in any games, the 6000 series RDNA 2 is not as good in that respect. The 7000 series RDNA 3 has improved ray/path tracing, still not as good as nVidia, but much better than the 6000 series cards.

My son still games on his 6800XT and I had a 6700XT until just recently, they were both great cards and wouldn't hesitate to buy one again.

Ryzen R7 5700X | B550 Gaming X | 2x16GB G.Skill 3600 | Radeon RX 7900XT
Ryzen R7 5700G | B550 Gaming X | 2x8GB G.Skill 4000 | Radeon Vega 8 IGP
Ryzen R5 5600 | B550 Gaming Edge | 4x8GB G.Skill 3600 | Radeon RX 6800XT

Thank you very much 

this will be my first build and I’m fine with the price being kinda high 

so I think I’ll end up going with the 7800

Thank you 

im still wondering if ill be able to use this with my Pcie 5.0 psu but i hope ill be able to 

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A 6800XT draws around 300W max, a 7800XT a little less than that. You'll need 2 x 8-pin PCIE connectors, and AMD recommends a 750W or greater power supply. Since you have a 13900K which can draw 250W itself you probably shouldn't go any lower.

Ryzen R7 5700X | B550 Gaming X | 2x16GB G.Skill 3600 | Radeon RX 7900XT
Ryzen R7 5700G | B550 Gaming X | 2x8GB G.Skill 4000 | Radeon Vega 8 IGP
Ryzen R5 5600 | B550 Gaming Edge | 4x8GB G.Skill 3600 | Radeon RX 6800XT

Okay do you know if that’s a connector I’ll have to order separately or if it comes with the gpu or what?

I don’t wanna have a psu problem 

also wanna say thank you because you mentioned a very good gpu for way lower then the 4070 ti and I think super so thank you you just saved me money 

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According to this spec sheet, your MSI A850G Pcie 5 supports up to 6 of the 6+2-pin PCIE connectors. There's probably not 6 individual modular cables included with the PSU, I would guess 2 of the cables may have a double plug end (one cable with 2 connectors at an end) and then 2 cables with a single plug.

The 6800XT/7800XT need 2 of these 6+2-pin connectors. I would recommend using 2 separate cables, rather than one cable with dual plugs at the end.

Ryzen R7 5700X | B550 Gaming X | 2x16GB G.Skill 3600 | Radeon RX 7900XT
Ryzen R7 5700G | B550 Gaming X | 2x8GB G.Skill 4000 | Radeon Vega 8 IGP
Ryzen R5 5600 | B550 Gaming Edge | 4x8GB G.Skill 3600 | Radeon RX 6800XT

Thank you so much for your help 

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