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Author Topic: Average life span of ASIC mining equipment  (Read 580 times)
bitcoinexplorer
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July 17, 2017, 03:40:44 AM
 #1

Hello crypto people

I am just starting with mining and was wondering what is the average lifespan of ASIC mining equipment
For example

Antminer S5 , what was life span till release of Antminer S7?

Antminer S7 , what was life span till release of Antminer S9?


Thank you.
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July 17, 2017, 06:49:08 AM
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I think it was arround 6 months, but we don't have any anounce of any new chips...

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July 17, 2017, 10:42:41 AM
 #3

The average lifespan of those is irrelevant as we reach the barrier for semiconductors that seems nearly insurmountable. We will likely be at 14nm and 7nm for a long time and eventually improvements in Bitcoin mining efficiency will be marginal at best. Expect longer lifetimes for the future miners including the current generation; S9/T9 may be viable through 2018.














 

 

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NotFuzzyWarm
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July 18, 2017, 12:40:09 AM
 #4

I must agree with ^^
Something the non-technical folks here do not understand is that yes, each reduction in gate size can make a circuit more energy efficient. HOWEVER -- all the non-miner uses for low node-size chips are already rather low power applications that usually consume less than 3 watts per-chip. Ones for mobile applications like phone CPU's consume less than 1w and physically, most of a CPU die is taken up with cache RAM and I/O circuitry all of which are inherently very low power draw.

In short, those applications DO continue to benefit from the smaller nodes because the additional RAM, CPU cores, and support circuits that could be added will not appreciably hurt the thermal performance.

The current 16/14nm mining ASIC's along with GPU chips oth take between 8 to 10W per chip and most of the die is filled with the SHA or graphics processing cores. As I recall, the S9/T9 chips have 256 cores in them. As the failure rates show that is pushing how much heat can be removed from the QFN(?) chip package size very hard. It is a very safe bet that when Bitmain et al finally move to below the current 16/14nm nodes they will once again try to push power to the max by cramming in more cores but this time I do not think the efficiency will gains will be anywhere near what the move from 28nm down to 16nm gave.

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bitcoinexplorer
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July 18, 2017, 01:03:39 PM
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So i guess Antminer S9 will remain viable for 1 more year until 2018 mid and we should expect s11 in Q3 2018?
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July 18, 2017, 09:18:54 PM
 #6

So i guess Antminer S9 will remain viable for 1 more year until 2018 mid and we should expect s11 in Q3 2018?



I would say that is optimistic.

the s-7 could do   .23- .27 watts per gh
the s-9 could do    .10 - .13 watts per gh

no one sells  any thing better the  s-9

and the s-7 still make money at .27 watts a gh.

hashnest has a huge section for s-7 mining.

I can tell you there is no way bitmain is going to toss that out.

hereis why.  it is impossible to prove they are mining s-7's  so they could be mining s-9 and charging you for s-7 power which = big $

so  they can charge you for s-7 power and be mining with s-9's  they have zero need to do anything at all.  look at the power price difference that they can pocket





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July 19, 2017, 11:24:29 PM
 #7

So i guess Antminer S9 will remain viable for 1 more year until 2018 mid and we should expect s11 in Q3 2018?

 There is no way to predict a timeframe for a S11 model.

 Manufactures have to get newer, more efficient production nodes WORKING first - then they have to service existing contracts (GF has a lot of it's capacity tied up in LONG term AMD and IBM contracts, TSMC seems to have a lot of it's capacity tied up in NVidia contracts), then anything LEFT OVER can be used for small fry like Bitmain and Bitfury and Caanan and Innosilicon....

 My best guess is that we won't see a S11 model 'till 2019 sometime.



 Keep in mind that TSMC and GF both were supposedly in production on the CURRENT nodes for almost a year before the yields got to the point of being useable for most folks - and they're STILL running every line at capacity due to demand exceeding the supply.


 One of the reasons AMD has not ramped up production of the RX 5xx series is that they CAN'T ramp it up as far as they'd like to, GF just doesn't have the capacity - this is probably why AMD's latest renegotiation of their long-term contract with GF allows AMD to use OTHER FOUNDRIES for some of it's production.

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