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ViniciusSilvestre

Good deal on a Hd 7990, is it still worth it?

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Posted · Original PosterOP

Im in a bit of a dilemma here, i have a gtx 960 4gb card and a ryzen 7 2700x in a asus prime b350 plus mobo

heres the situation, the hd 7990 is going to be a better gaming card in crossfire and when crossfire doesnt work, the perfomace is going to be pretty close to my 960 (im aware of crossfire issues) but, aside from that, im working on a project in my college that involves virtualization, and the 7990 is two gpus (no shit sherlock haha), could i possibily assing each gpu to a single vm (they might share the same iommu group)? if possible, this could actualy be a good deal for me

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I could see a HD7990 getting hot in Brazil

Futhermore it will have a much higher power consumtion than the GTX960

 

A HD7990 should be faster than a GTX960. Even with Crossfire turned off

 

Don't know about virtualization. Might want to look at a Firepro S10000 which could have a higher chance of supporting virtualization

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Posted · Original PosterOP
6 minutes ago, wojtepanik said:

just get 970 and it will be better than this old heater

https://gpu.userbenchmark.com/Compare/Nvidia-GTX-970-vs-AMD-HD-7970/2577vs2163

In a gaming sense i agree with you, if i can find a good deal on a 970 i would go for it, but im kind of waiting on the second part, the virtualization is key here, as the second pcie slot on that mobo shares a iommu grup with everything else(network, storage etc) so, if the two gpus on the 7990 dont share a group, it could still be worth for me

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Posted · Original PosterOP
6 minutes ago, Bebo2505 said:

I could see a HD7990 getting hot in Brazil

Futhermore it will have a much higher power consumtion than the GTX960

 

A HD7990 should be faster than a GTX960. Even with Crossfire turned off

 

Don't know about virtualization. Might want to look at a Firepro S10000 which could have a higher chance of supporting virtualization

i live in a city thats has a cold climate, that isnt much of a issue

yeah, that 7970 ghz was a monster card back in its day

the s10000 is a good idea, might be hard to find though

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3 minutes ago, ViniciusSilvestre said:

i live in a city thats has a cold climate, that isnt much of a issue

yeah, that 7970 ghz was a monster card back in its day

the s10000 is a good idea, might be hard to find though

off topic: cold climate city in Brazil? Those exist?

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Posted · Original PosterOP
1 minute ago, noxdeouroboros said:

off topic: cold climate in Brazil? 

I was born in Valença RJ, mountain climate, in summer temperaures barely reach 30 Celsius and my college is in Petropolis RJ, which is even "colder", winter gets to -2 celsius and summer berely scrapes the 27 mark

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1 hour ago, ViniciusSilvestre said:

the hd 7990 is going to be a better gaming card in crossfire and when crossfire doesnt work, the perfomace is going to be pretty close to my 960

Hm, I think its a bit faster actually. The Chips are reduced Tahiti -> 2 7950.

 

 

1 hour ago, ViniciusSilvestre said:

could i possibily assing each gpu to a single vm (they might share the same iommu group)? if possible, this could actualy be a good deal for me

No Idea.

I think the L1 Forums might be better to ask that.

 

 

But for Gaming, I'd say that a Raden 570/8GiB is the better card and might want to think about that instead.


"Hell is full of good meanings, but Heaven is full of good works"

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Posted · Original PosterOP
27 minutes ago, Stefan Payne said:

Hm, I think its a bit faster actually. The Chips are reduced Tahiti -> 2 7950.

 

 

No Idea.

I think the L1 Forums might be better to ask that.

 

 

But for Gaming, I'd say that a Raden 570/8GiB is the better card and might want to think about that instead.

They are full Tahiti, down clocked a bit https://www.techpowerup.com/gpu-specs/radeon-hd-7990.c2126

 

Edit: (I read 580 instead of 570 ops, sorry)

A new rx 570 4GB is going about R$1000,00 more or less $269,90 + shipping which is a bit over budget right now, was my first choice tough

 

still a bit over budget, but better

 

Yep, L1 Might a better place for that question

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4 hours ago, ViniciusSilvestre said:

-snip-

Yep, L1 Might a better place for that question

Would be awesome if you could post the answer from L1 here.

I am curious :D

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Posted · Original PosterOP
13 minutes ago, Bebo2505 said:

Would be awesome if you could post the answer from L1 here.

I am curious :D

Some dreams just die hard i guess, not possible acording to them, the performace should be faster than an gtx 960 even with crossfire off like you sad but assing the gpus to diferent vms is not possible

 

Edit: I had the idea, because the card have a plx chip in the pcb, so (at least in my head), a acs overide might work, but im not about to drop my student money on something that may or may not work based on a guess from me.

 

side note: having a hd 7990 would be dope though

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12 minutes ago, ViniciusSilvestre said:

Some dreams just die hard i guess, not possible acording to them, the performace should be faster than an gtx 960 even with crossfire off like you sad but assing the gpus to diferent vms is not possible 

What a bummer...

Only thing i could recommend with my non-existing vm experience would be server cards like the Firepro S10000 or Nvidia Grid K1 (if the singlecard solution is necessary)

But i have no clue if they would actually work

 

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Posted · Original PosterOP
46 minutes ago, Bebo2505 said:

What a bummer...

Only thing i could recommend with my non-existing vm experience would be server cards like the Firepro S10000 or Nvidia Grid K1 (if the singlecard solution is necessary)

But i have no clue if they would actually work

 

yeah, probaly those cards are "special" build for this scenarios, but ptobably too expensive and hard to find

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