searching for a cpu

[ki8aras]

im building a deep learning box and i need a relatively cheap cpu with at least 32 pcie lanes for two gtx 1080 ti's

i don't care about cpu performance i just need the cheapest one available with at least 32 pcie lanes

[Wetpig]

Ryzen is your friend on this adventure.

[Coaxialgamer]

Unfortunately the cheapest would be the 500$ threadripper 1900x ( 8 core , kind of a terrible value ) or the 800$ 12 core threadripper 1920x . The x299 i7s come close with 28 lanes  , and the i7 7800x is only 400$ . But you need to be ok with buying a 400$ 6 core

[Coaxialgamer]

2 minutes ago, Wetpig said:

Ryzen is your friend on this adventure.

Not enough lanes

[ki8aras]

2 minutes ago, Wetpig said:

Ryzen is your friend on this adventure.

ryzen only has 16 pcie lanes

 

[ki8aras]

2 minutes ago, Coaxialgamer said:

Unfortunately the cheapest would be the 500$ threadripper 1900x ( 8 core , kind of a terrible value ) or the 800$ 12 core threadripper 1920x . The x299 i7s come close with 28 lanes  , and the i7 7800x is only 400$ . But you need to be ok with buying a 400$ 6 core

couldnt i buy an x99 chip?

[Coaxialgamer]

4 minutes ago, ki8aras said:

couldnt i buy an x99 chip?

You very well can , i was looking at it thinking you wanted to buy new . Anything except the 5820k and 6800k are decent options in that price bracket ( both those cpus don't have enough lanes , although they are decent chips ).

 

Also , assuming you want new , i just looked at intel's xeon W range : the lowest SKU ( xeon W 2123 ) has 4c/8t , but it has enough lanes ( 48 ). It's also only 300$, the cheapest one yet.

 

[Princess Luna]

2 minutes ago, ki8aras said:

couldnt i buy an x99 chip?

I don't know why do you need HEDT platform, just buy a mainstream CPU specially since performance of it is meaningless, 8x PCIe 3.0 for each card is enough for it to reach the full potential, you'll not be bottlenecking it at all.

[ki8aras]

1 minute ago, Coaxialgamer said:

You very well can , i was looking at it thinking you wanted to buy new . Anything except the 5820k and 6800k are decent options in that price bracket ( both those cpus don't have enough lanes , although they are decent chips ).

 

Also , assuming you want new , i just looked at intel's xeon W range : the lowest SKU has 4c/8t , but it has enough lanes ( 48 ). It's also only 300$, the cheapest one yet.

 

that could work too but i've heard that xeon mobos are expensive

[Coaxialgamer]

1 minute ago, ki8aras said:

that could work too but i've heard that xeon mobos are expensive

This is x299

[ki8aras]

2 minutes ago, Princess Cadence said:

I don't know why do you need HEDT platform, just buy a mainstream CPU specially since performance of it is meaningless, 8x PCIe 3.0 for each card is enough for it to reach the full potential, you'll not be bottlenecking it at all.

i really wouldnt like to be stuck with 16 lanes because if i want to add more gpus in the future im kinda stuck

[ki8aras]

1 minute ago, Coaxialgamer said:

This is x299

oh okay then 

[Princess Luna]

1 minute ago, ki8aras said:

i really wouldnt like to be stuck with 16 lanes because if i want to add more gpus in the future im kinda stuck

What are you even going to use these GPUs for?

[Coaxialgamer]

1 minute ago, Princess Cadence said:

What are you even doing to use these GPUs?

machine learning . Read the OP lol

[Razor Blade]

9 minutes ago, ki8aras said:

ryzen only has 16 pcie lanes

 

With an X370 chipset and AM4 wouldn't that net you the 32 lanes you desire?

 

Source: https://www.guru3d.com/news-story/amd-uncovers-a-bit-more-on-the-x370-chipset.html

[ki8aras]

4 minutes ago, Princess Cadence said:

What are you even going to use these GPUs for?

deep learning

[ki8aras]

3 minutes ago, Razor Blade said:

With an X370 chipset and AM4 wouldn't that net you the 32 lanes you desire?

 

Source: https://www.guru3d.com/news-story/amd-uncovers-a-bit-more-on-the-x370-chipset.html

arent the extra lanes provided by the chipset thus only applicable for storage devices?

[Coaxialgamer]

4 minutes ago, Razor Blade said:

With an X370 chipset and AM4 wouldn't that net you the 32 lanes you desire?

 

Source: https://www.guru3d.com/news-story/amd-uncovers-a-bit-more-on-the-x370-chipset.html

Ryzen has 24 lanes , but 8 of those are used for the communicating with the chipset , meaning only 16 are actually usable

Apart from that , x370 only provides 8 lanes , but they are slower PCIE 2.0 lanes with high latency . they are unsuitable for GPUs

[ki8aras]

7 minutes ago, Coaxialgamer said:

This is x299

actually after some research i can confirm that xeon w cpu do not work with x299 mobos

 

[Princess Luna]

3 minutes ago, ki8aras said:

deep learning

I think to you the best solution is the Threadripper 1900X on about the cheapest x399 motherboard you can find.

[ki8aras]

1 minute ago, Princess Cadence said:

I think to you the best solution is the Threadripper 1900X on about the cheapest x399 motherboard you can find.

what about a last gen x99 chip(i really dont wanna spend that much money for only the cpu)

[Crazycatman]

1 minute ago, Princess Cadence said:

I think to you the best solution is the Threadripper 1900X on about the cheapest x399 motherboard you can find.

Aren't some of the Xeons Overclockable, and they have a cheaper price.

[Coaxialgamer]

4 minutes ago, ki8aras said:

actually after some research i can confirm that xeon w cpu do not work with x299 mobos

 

After further research it appears you are correct . I don't know why i though they were compatible. Sorry about that

[Princess Luna]

1 minute ago, ki8aras said:

what about a last gen x99 chip(i really dont wanna spend that much money for only the cpu)

You think that's a lot of money? the TR1900X is actually somewhat cheap specially considering then you get full 64 3.0 PCIe Lanes... old x99 chips? you mean like the i7 6850K? It is an inferior CPU, sure that doesn't mean much to you, but it's also only 40 3.0 PCI-e Lanes for quite the equivalent price on a "dead" platform already.

 

Even buying used it still is overpriced, even if a bit cheaper.

[ki8aras]

1 minute ago, Crazycatman said:

Aren't some of the Xeons Overclockable, and they have a cheaper price.

yeah the cheapest xeon w comes at about 300usd