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Thread: Good budget GPU ?
Post: RE: Good budget GPU ?
| if your focus is on hash cracking then avoid nvidia.
check out https://www.gat3way.eu/est.php and look at the MH/s columns for each GPU. this will give you a good idea of what to buy.
you may also wa... |
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epixoip |
Hardware
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9 |
32,527 |
12-26-2012, 12:34 PM |
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Thread: Good budget GPU ?
Post: RE: Good budget GPU ?
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grim Wrote: (12-26-2012, 05:11 PM)
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Thnx. But in my case the ATI has more overall Cores (160) but the nVidia(s) has just 48 CUDA Cores. Does CUDA actually make a difference ?
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i wonder, do you... |
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epixoip |
Hardware
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9 |
32,527 |
12-27-2012, 08:28 AM |
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Thread: Good budget GPU ?
Post: RE: Good budget GPU ?
| 7970 is a budget GPU -- you just have to budget a little more for it. And considering its MSRP was half of what the 6990 was, it's quite a bargain.
but seriously, don't waste your money on cheap, low... |
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epixoip |
Hardware
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9 |
32,527 |
01-06-2013, 02:52 AM |
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Thread: new ASUS ARES II 7970
Post: RE: new ASUS ARES II 7970
| definitely not worth the price or the hassle. easier and cheaper to just run 2x 7970. also, 8970 will be out in Q2 with the GCN2 architecture... |
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epixoip |
Hardware
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1 |
6,067 |
01-08-2013, 12:02 AM |
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Thread: to build a brute force machine
Post: RE: to build a brute force machine
| hardware combination looks good. you will not lose performance using a pci-e 3.0 card in a pci-e 2.0 slot, no. not for what we do, anyway. for the os, we officially recommend ubuntu 12.04 lts. check o... |
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epixoip |
Hardware
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11 |
29,557 |
01-17-2013, 08:10 PM |
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Thread: SMF vs HD7970
Post: RE: SMF vs HD7970
| HD7970 is ~ 4.1x faster.
Speed.GPU.#1...: 2253.5M/s |
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epixoip |
Hardware
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3 |
8,844 |
01-17-2013, 08:32 PM |
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Thread: to build a brute force machine
Post: RE: to build a brute force machine
| yes, but you will need to regenerate your xorg.conf |
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epixoip |
Hardware
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11 |
29,557 |
01-21-2013, 01:39 AM |
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Thread: 8000 series fail
Post: RE: 8000 series fail
| yes, this has been on wikipedia now for a while.
https://en.wikipedia.org/wiki/Sea_Islands_(GPU_family)
there's 8970 (OEM) which is a tahiti xt gpu at boosted clocks, and then there's 8970 which is a... |
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epixoip |
Hardware
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2 |
6,312 |
01-28-2013, 08:30 AM |
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Thread: 2x7990 or 4x7970
Post: RE: 2x7990 or 4x7970
| if you are going to put the GPUs into a case, then you should probably buy reference design cards. |
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epixoip |
Hardware
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37 |
75,933 |
02-05-2013, 05:42 PM |
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Thread: 2x7990 or 4x7970
Post: RE: 2x7990 or 4x7970
| you will need a lot more than 1000W of power. you should budget at least 1200W RMS to power the GPUs alone, so i would recommend going with a 1500W or 1600W 80plus Gold or Platinum-certified power sup... |
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epixoip |
Hardware
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37 |
75,933 |
02-06-2013, 09:07 PM |
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Thread: 2x7990 or 4x7970
Post: RE: 2x7990 or 4x7970
| reference design cards have enclosed shrouds with a single centrifugal fan, which forces the hot exhaust air out the rear of the card and completely out of the case.
non-reference design cards have o... |
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epixoip |
Hardware
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37 |
75,933 |
02-07-2013, 12:52 PM |
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Thread: 2x7990 or 4x7970
Post: RE: 2x7990 or 4x7970
| The reference design has been visually the same for the last 5+ years. If it changes I'm sure it will be adequately discussed.
In the mean time, check out those Newegg links I posted above. The refer... |
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epixoip |
Hardware
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37 |
75,933 |
02-07-2013, 01:49 PM |
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Thread: 2x7990 or 4x7970
Post: RE: 2x7990 or 4x7970
| Actually, i just thought of a pretty good way to determine what the reference design looks like: just go to AMD's website and look at the picture of the card :]
https://www.amd.com/us/products/desktop... |
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epixoip |
Hardware
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37 |
75,933 |
02-07-2013, 01:52 PM |
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Thread: 2x7990 or 4x7970
Post: RE: 2x7990 or 4x7970
| yeah, they're real easy to spot. the reference cards are all identical, with the exception of the brand name on the face of the card. we have a box that has reference design 7970s from three different... |
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epixoip |
Hardware
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37 |
75,933 |
02-07-2013, 02:36 PM |
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Thread: 2x7990 or 4x7970
Post: RE: 2x7990 or 4x7970
| agree blandy. and that's why we started putting a max of three cards per chassis, with one pci slot in between each card. that way the cards are not directly side-by-side and have adequate airflow. fo... |
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epixoip |
Hardware
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37 |
75,933 |
02-07-2013, 09:27 PM |
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Thread: 2x7990 or 4x7970
Post: RE: 2x7990 or 4x7970
| I'm really surprised that you needed to put Accelero coolers on 5870s, especially when you had that much spacing in between them. I like your setup there though, that's pretty slick! |
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epixoip |
Hardware
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37 |
75,933 |
02-07-2013, 10:27 PM |
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Thread: Building 8xhd7970
Post: RE: Building 8xhd7970
| if you want to build an 8 GPU rig, you really should use a TYAN FT77B7015. it will save you a TON of headaches.
https://ob-security.info/wp-content/uploads/2012/07/P1010020.jpg
https://ob-security.info... |
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epixoip |
Hardware
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11 |
18,844 |
02-08-2013, 09:15 PM |
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Thread: Building 8xhd7970
Post: RE: Building 8xhd7970
| it's not available in stores in the US either, just from companies who drop-ship it from Tyan.
i'm sure Tyan will ship to Poland, just shoot them an email. |
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epixoip |
Hardware
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11 |
18,844 |
02-08-2013, 09:42 PM |
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Thread: HELP!!!
Post: RE: HELP!!!
| ... is this a real question? |
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epixoip |
Hardware
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28 |
44,389 |
02-08-2013, 11:09 PM |
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Thread: HELP!!!
Post: RE: HELP!!!
| there are lots of factors that influence speed. freaking out over a 20K variance is unwarranted. |
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epixoip |
Hardware
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28 |
44,389 |
02-08-2013, 11:28 PM |
