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How would I add 2 different gpus on one motherboard?

To start off I have an asus strix rog b-550f motherboard with a ryzen 7 3700x and a rx580. I know that its stupid, and a waste of money, I just want to toy around with it, but I bought a Radeon HD 6450, and I was just wondering for 1.) how to connect it to my motherboard with my rx 580 without it sharing bandwidth or interfering with my rx 580 in any way 2.) Will the drivers work together or will I have to install a legacy driver update amongst with my Radeon software currently? 

Included here: https://www.amd.com/en/support/graphics/amd-radeon-hd/amd-radeon-hd-6000-series/amd-radeon-hd-6450 

Also, if I were to have to download the legacy drivers, which one to pick out of catalyst or Crimson?

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9 minutes ago, Henryjames989 said:

Will the drivers work together? 

Nope they wont. HD6XXX series uses drivers that are so old that windows 10 was just released when driver was released. I honestly wouldnt do this because knowing how shit AMD drivers are, all you are asking is for more trouble and no gains. You wont gain anything from this endeavour other than some more display outputs. If you still plan on doing this, let windows install HD6450s bare minimum drivers while keeping RX580s full driver suite installed.

mY s YsTeM iS Not pErfoRmInG aS gOOd As I sAW oN yOuTuBe. WhA t IS a GoOd FaN CuRVe??!!? wHat aRe tEh GoOd OvERclok SeTTinGS FoR My CaRd??
 HoW CaN I foRcE my GpU to uSe 1o0%? BuT WiLL i HaVE Bo0tllEnEcKs? RyZEN dOeS NoT peRfORm BetTer wItH HiGhER sPEED RaM!!dId i WiN teH SiLiCON LotTerrYyOu ShoUlD dEsHrOuD uR GPUmy SYstEm iS UNDerPerforMiNg iN WarzONEcan mY Pc Run WiNdOwS 11 ?woUld BaKInG MY GRaPHics card fIX it?
 MultimETeR TeSTiNG!! aMd'S GpU DrIvErS aRe as goOD aS NviDia's
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3 minutes ago, Levent said:

Nope they wont. HD6XXX series uses drivers that are so old that windows 10 was just released when driver was released. I honestly wouldnt do this because knowing how shit AMD drivers are, all you are asking is for more trouble and no gains. You wont gain anything from this endeavour other than some more display outputs. If you still plan on doing this, let windows install HD6450s bare minimum drivers while keeping RX580s full driver suite installed.

As in windows 10 will do it all? Also your a big help to the community keep that up my man

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Just now, Henryjames989 said:

As in windows 10 will do it all? Also your a big help to the community keep that up my man

Also, no compatibility issues on the 2 gpus on one mobo right? Just slot in and boot?

 

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1 minute ago, Henryjames989 said:

Also, no compatibility issues on the 2 gpus on one mobo right? Just slot in and boot?

 

Depending on your windows installation, you might have to disable secure boot and enable CSM in bios if you have secure boot and CSM disabled.

mY s YsTeM iS Not pErfoRmInG aS gOOd As I sAW oN yOuTuBe. WhA t IS a GoOd FaN CuRVe??!!? wHat aRe tEh GoOd OvERclok SeTTinGS FoR My CaRd??
 HoW CaN I foRcE my GpU to uSe 1o0%? BuT WiLL i HaVE Bo0tllEnEcKs? RyZEN dOeS NoT peRfORm BetTer wItH HiGhER sPEED RaM!!dId i WiN teH SiLiCON LotTerrYyOu ShoUlD dEsHrOuD uR GPUmy SYstEm iS UNDerPerforMiNg iN WarzONEcan mY Pc Run WiNdOwS 11 ?woUld BaKInG MY GRaPHics card fIX it?
 MultimETeR TeSTiNG!! aMd'S GpU DrIvErS aRe as goOD aS NviDia's
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4 minutes ago, Levent said:

Depending on your windows installation, you might have to disable secure boot and enable CSM in bios if you have secure boot and CSM disabled.

Alright dope thanks! 

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44 minutes ago, Henryjames989 said:

1.) how to connect it to my motherboard with my rx 580 without it sharing bandwidth or interfering with my rx 580 in any way

your board have a 2nd x16 slot(black), use that

it connects from the chipset and in no way affects your first x16 slot's (grey) capabilities

 

45 minutes ago, Henryjames989 said:

2.) Will the drivers work together or will I have to install a legacy driver update amongst with my Radeon software currently

you'll have to locate a driver that supports both GPU at the same time

not too familiar with how AMD drivers work though

 

36 minutes ago, Levent said:

If you still plan on doing this, let windows install HD6450s bare minimum drivers while keeping RX580s full driver suite installed.

this doesnt work for Nvidia GPUs as only one version can be installed at a single time

not too sure if AMD allows multiple driver version installations

My PCs: Desky | Beddie | Miney | Benchie

Things I need help with: (nothing at the moment)

Spoiler

none atm

I hate Intel's pricing, Ryzen's weird quirks, Nvidia's pricing, and Radeon GPUs in general

Spoiler

Products I like:

Spoiler

Sony Xperia Z1 / Z2 / 10 ii, Asus Strix 970 / 1070, Samsung SSD, WD HDD, Corsair PSUs (AX, RM, CX(grey)), GeForce GPU, NZXT N450/S340, be quiet! Coolers, G.Skill Trident RAM, Logitech M525, Logitech G440, Razer Deathadder Elite

Products I hate:

Spoiler

Xperia Z3, XiaoMi 5c, Radeon GPUs, Razer Audio Products, any bloatwares

Companies I absolutely adore: (and hope it stays that way)

Spoiler

be quiet! - sent me AM4 mounting for my DRP3 even though it's way past the timeframe stated, no questions asked

Corsair - very good RMA experience, absolutely recommend

Companies I hate:

Spoiler

Nvidia, Intel, Apple, TMT (Thundermatch, a retailer)

Personal Blacklisted Companies:

Spoiler

Acer: shit tier quality products, shit tier customer service thus far, they "tried" to solve my issue but they arent really doing anything but delaying and delaying. (on-going case since July)

Gigabyte: horrible customer service (gigabyte had literally 0 customer service, asked me to go to retailer with NO WAY to email them about a question) but at least they fixed my shit in ONE MONTH (would probably take me 1 hour to fix if they let me email them)

XiaoMi Phones: built like a tank but the software is buggy as all hell

Seagate HDD: had too many dead seagate drives

Kingston SSD: 300V controller swap thingy

Razer (except their mouse)

Remember, just because I had good/bad experiences with these companies/product, doesn't mean you will have similar experiences too. I would still recommend these products if they made sense for your needs, but I'll add a disclaimer of my experience if it's relevant. Feel free to DM me asking why they are where they are.

 

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48 minutes ago, Moonzy said:

your board have a 2nd x16 slot(black), use that

it connects from the chipset and in no way affects your first x16 slot's (grey) capabilities

 

you'll have to locate a driver that supports both GPU at the same time

not too familiar with how AMD drivers work though

 

this doesnt work for Nvidia GPUs as only one version can be installed at a single time

not too sure if AMD allows multiple driver version installations

Well what I'm thinking is, how would I change the card to compute mode without drivers?

 

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9 minutes ago, Henryjames989 said:

Well what I'm thinking is, how would I change the card to compute mode without drivers?

i'm not too familiar with AMD card, so unfortunately i've no idea

but if i had to guess, it's a no

My PCs: Desky | Beddie | Miney | Benchie

Things I need help with: (nothing at the moment)

Spoiler

none atm

I hate Intel's pricing, Ryzen's weird quirks, Nvidia's pricing, and Radeon GPUs in general

Spoiler

Products I like:

Spoiler

Sony Xperia Z1 / Z2 / 10 ii, Asus Strix 970 / 1070, Samsung SSD, WD HDD, Corsair PSUs (AX, RM, CX(grey)), GeForce GPU, NZXT N450/S340, be quiet! Coolers, G.Skill Trident RAM, Logitech M525, Logitech G440, Razer Deathadder Elite

Products I hate:

Spoiler

Xperia Z3, XiaoMi 5c, Radeon GPUs, Razer Audio Products, any bloatwares

Companies I absolutely adore: (and hope it stays that way)

Spoiler

be quiet! - sent me AM4 mounting for my DRP3 even though it's way past the timeframe stated, no questions asked

Corsair - very good RMA experience, absolutely recommend

Companies I hate:

Spoiler

Nvidia, Intel, Apple, TMT (Thundermatch, a retailer)

Personal Blacklisted Companies:

Spoiler

Acer: shit tier quality products, shit tier customer service thus far, they "tried" to solve my issue but they arent really doing anything but delaying and delaying. (on-going case since July)

Gigabyte: horrible customer service (gigabyte had literally 0 customer service, asked me to go to retailer with NO WAY to email them about a question) but at least they fixed my shit in ONE MONTH (would probably take me 1 hour to fix if they let me email them)

XiaoMi Phones: built like a tank but the software is buggy as all hell

Seagate HDD: had too many dead seagate drives

Kingston SSD: 300V controller swap thingy

Razer (except their mouse)

Remember, just because I had good/bad experiences with these companies/product, doesn't mean you will have similar experiences too. I would still recommend these products if they made sense for your needs, but I'll add a disclaimer of my experience if it's relevant. Feel free to DM me asking why they are where they are.

 

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