GalaxyASIC
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May 27, 2013, 02:05:56 PM Last edit: May 31, 2013, 01:26:42 AM by GalaxyASIC |
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When will you have Kintex-7 XC7K325T-1FB676C based design ready? I can get them very cheap $150 to $110 based on quantity.
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pusle (OP)
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May 27, 2013, 03:53:38 PM |
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From the prices given by the local distributor it seems K160T-1FBG484 gives the most bang for the buck. The K325T costs about two times more and it's easier to deal with a smaller package.
There is no schedule yet for the 28nm version.
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Intra
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May 27, 2013, 08:24:46 PM |
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how much megahash per second doing this board?
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KS
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May 27, 2013, 08:54:29 PM |
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From the prices given by the local distributor it seems K160T-1FBG484 gives the most bang for the buck. The K325T costs about two times more and it's easier to deal with a smaller package.
There is no schedule yet for the 28nm version.
Half the price, half the logic -> probably half the hash speed -> what's the point?
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TheSeven
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May 27, 2013, 09:11:06 PM |
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From the prices given by the local distributor it seems K160T-1FBG484 gives the most bang for the buck. The K325T costs about two times more and it's easier to deal with a smaller package.
There is no schedule yet for the 28nm version.
Half the price, half the logic -> probably half the hash speed -> what's the point? "two times more" would translate into "a third of the price"...
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My tip jar: 13kwqR7B4WcSAJCYJH1eXQcxG5vVUwKAqY
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papamoi
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May 27, 2013, 09:26:23 PM |
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hi
do you have the vhdl for this one?
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KS
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May 27, 2013, 09:48:13 PM |
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From the prices given by the local distributor it seems K160T-1FBG484 gives the most bang for the buck. The K325T costs about two times more and it's easier to deal with a smaller package.
There is no schedule yet for the 28nm version.
Half the price, half the logic -> probably half the hash speed -> what's the point? "two times more" would translate into "a third of the price"... So, if I follow you correctly, you would advise getting a device 50% slower to save 30% on price. I don't find that enticing.
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TheSeven
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May 27, 2013, 10:41:36 PM |
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From the prices given by the local distributor it seems K160T-1FBG484 gives the most bang for the buck. The K325T costs about two times more and it's easier to deal with a smaller package.
There is no schedule yet for the 28nm version.
Half the price, half the logic -> probably half the hash speed -> what's the point? "two times more" would translate into "a third of the price"... So, if I follow you correctly, you would advise getting a device 50% slower to save 30% on price. I don't find that enticing. To pay 30% of the price!
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My tip jar: 13kwqR7B4WcSAJCYJH1eXQcxG5vVUwKAqY
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pusle (OP)
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May 28, 2013, 08:35:45 AM |
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getting 25k slices and 600DSP blocks for 100$ is better than 50k slices and 840DSP blocks for 200$. The package is cheaper too so the price might be even better in favor of the K160 and higher volume = lower price.
Another benefit with a smaller package is easier and simpler pcb layout and it hurts less for each part that doesn't work due to bad soldering etc
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KS
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May 28, 2013, 07:47:05 PM |
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From the prices given by the local distributor it seems K160T-1FBG484 gives the most bang for the buck. The K325T costs about two times more and it's easier to deal with a smaller package.
There is no schedule yet for the 28nm version.
Half the price, half the logic -> probably half the hash speed -> what's the point? "two times more" would translate into "a third of the price"... So, if I follow you correctly, you would advise getting a device 50% slower to save 30% on price. I don't find that enticing. To pay 30% of the price! K160 ≃ 90USD/100pcs K325 ≃ 110-150USD /? Where do you get the 70% reduction in cost? (pcb + 4 xilinx -> ? -> -70%)
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pusle (OP)
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May 28, 2013, 08:29:36 PM |
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quote for the K325 in 100pcs was 187USD
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KS
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May 28, 2013, 08:46:53 PM |
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quote for the K325 in 100pcs was 187USD
right, but the maths still don't show a 70% reduction. you get a bit more than 50% reduction for the kintex but you still have the pcb cost, so you save less than 50%. anyway...
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nbtcminer
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May 28, 2013, 09:26:39 PM |
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very nice work I'm a big fan of the x6500 team and was hoping some of you would get back into making gear again. Thank you for releasing this as an open source project!
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