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Author Topic: BITMAIN launches 4th generation Bitcoin mining ASIC: BM1385  (Read 34632 times)
BITMAIN
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August 19, 2015, 10:21:38 AM
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BITMAIN launches the 4th generation bitcoin mining ASIC: BM1385
 32.5GH/s per chip, 0.216W/GH/s with 0.66V core voltage

August 19th, 2015 (BEIJING) - Bitmain. formally announced today the company’s fourth-generation bitcoin mining ASIC chip, the BM1385. The company reports that the BM1385 chip was produced on the 28-nanometer process of Taiwan Semiconductor Manufacturing Company(TSMC). Bitmain further stated that the chips utilize a full-custom design process, and that each chip can attain a hashrate of 32.5 billion hashes per second (GH/s). When powered with a core voltage of 0.66V, the chips have a power efficiency of 0.216 watts per gigahash-second, making it the most power-efficient bitcoin mining chip ever released to public.

Bitmain went on to indicate that the BM1385 chip will be used in the S7 model of the company’s well-known line of mining machines, Antminer. Though the Antminer S7 is still in development, Bitmain expects that the next-gen chip will be available for consumer purchase in the near future.


“The problem at the heart of designing chips for bitcoin mining,” said Bitmain chip designer and CEO, Micree, “is the careful balance of performance with electrical consumption. With lower power consumption, miners have lower electricity bills, or they can increase their hashrate without increasing their power expense.”

Since its founding in 2013, Bitmain has successively released three other generations of chips. The first was the BM1380, which utilized a 55 nanometer process node size. After that came the 28 nanometer BM1382, and then the 28 nanometer, semi-custom BM1384 chip. The new BM1385 chip is Bitmain’s first to feature a full custom design. Full custom design means that the chip engineers have to meticulously lay out each and every transistor inside the chip. This process requires significantly more time and effort than semi-custom chip designs, but can also result in faster processing, lower power consumption, and greater density of transistors. A well-designed full custom chip can attain massive performance gains over digital design and semi-custom design, but along with greatly increased investment required in engineer labor and time, there is a much higher risk that the chip will fail at tape-out -- a very costly mistake. Bitmain concluded through internal research that a full-custom 28 nanometer chip could greatly outperform chips built on 14 and 16 nanometer process nodes without the use of full custom design techniques.

The BM1385 chip powered at 0.66V can attain a 32.5 gigahash per second hash rate at a power consumption of 0.216 watts per gigahash second. When compared to the BM1384, Bitmain’s newest generation of chip has a 45% greater hashrate, while simultaneously consuming 50% less electricity. This has potentially huge implications for the bitcoin mining industry, as it can significantly reduce electricity costs of miners. Compared with other chips utilized in the current generation of bitcoin mining machines, the BM1385 is, by a wide margin, the most advanced chip available.
At the time that Bitmain’s previous generation of chip, the BM1384, was released, it was also the most powerful and efficient chip available. Releasing a new generation of cutting-edge chip in such quick succession only helps to solidify Bitmain’s strong position in the IC-design and bitcoin mining industries.

“We anticipate that before we release our full-custom 16 nanometer chip, the BM1385 will continue to be the industry standard for the bitcoin mining industry,” said Bitmain co-founder Wu Jihan. “We will continue to strive for more efficiency and lower costs for our customers.”

Chip & Miner Power Efficiency Comparison
BM1380BM1382BM1384BM1385
Produced inQ4 2013Q2 2014Q4 2014Q3 2015
Primary model used inAntMiner S1AntMiner S3+AntMiner S5AntMiner S7
At the wall power consumption2000W/TH800W/TH510W/TH230W/TH

Bitmain is a Beijing-based company specializing in integrated circuit design and hardware manufacturing. We are a 200-strong team of experienced IC-designers, venture capitalists, and seasoned internet entrepreneurs. In addition to our headquarters in Beijing, we have branch offices in Chengdu, Shenzhen, Fuzhou, and Hong Kong, and San Francisco.

Our mission is to build out the infrastructure for the current revolution in decentralized financial technology. In addition to producing industry-leading microchips, we’ve also produced several well-known models of bitcoin mining machines that are used by customers in all corners of the world. Our corporate ethos is to operate honestly and to provide mutual benefit for our customers. Bitmain enjoys a strong reputation in the bitcoin industry as one of the most established chip designers and producers of mining equipment. We will keep moving forward, improving our industry, and maintaining our competitive edge.


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BITMAIN staff accounts used: BITMAIN_LCXU, BITMAIN_XLXUE, BITMAIN_JLXUE, BITMAIN_Janet, BITMAIN_YHQIN
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elrippo
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August 19, 2015, 10:25:17 AM
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NICE to see the next GEN this year in a new Miner from Bitmain, well done!!!

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August 19, 2015, 10:32:14 AM
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WOW,cant wait for the new miner Grin
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August 19, 2015, 10:45:12 AM
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40% power consumption of previous gen is a pretty huge jump.

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August 19, 2015, 10:47:47 AM
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Congratulations. Outstanding Achievement at this point of the game.
I would pay a lot to be a fly at BitFury's and KNC's HQ right now ...

 Grin

We released the following miners only when we were operational: SP10, SP20, SP30, SP31 and SP35.
If you see anything else offered online, it's a scam.
We designed but never completed the SP50
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August 19, 2015, 10:51:33 AM
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Congratulations. Outstanding Achievement at this point of the game.
I would pay a lot to be a fly at BitFury's and KNC's HQ right now ...

 Grin

... so, no panic in your HQ right now?  Wink
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August 19, 2015, 10:52:21 AM
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wow, I'm interest to see the new desing of the U4

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August 19, 2015, 10:53:46 AM
 #8

Though the Antminer S7 is still in development, Bitmain expects that the next-gen chip will be available for consumer purchase in the near future.
Does it mean that Bitmain will sell new chip first and then miners?

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August 19, 2015, 10:54:52 AM
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Congratulations. Outstanding Achievement at this point of the game.
I would pay a lot to be a fly at BitFury's and KNC's HQ right now ...

 Grin

... so, no panic in your HQ right now?  Wink
No. Forgot 21

We released the following miners only when we were operational: SP10, SP20, SP30, SP31 and SP35.
If you see anything else offered online, it's a scam.
We designed but never completed the SP50
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August 19, 2015, 10:57:03 AM
 #10

BITMAIN launches the 4th generation bitcoin mining ASIC: BM1385
 32.5GH/s per chip, 0.216W/GH/s with 0.66V core voltage


Chip & Miner Power Efficiency Comparison
BM1380BM1382BM1384BM1385
Produced inQ4 2013Q2 2014Q4 2014Q3 2015
Primary model used inAntMiner S1AntMiner S3+AntMiner S5AntMiner S7
At the wall power consumption2000W/TH800W/TH510W/TH230W/TH


Where is
                                   Antminer S3++
                                   Antminer S4
                                   Antminer S4+
                                   Antminer S5+


Could also come S7+ or S7++ ?

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August 19, 2015, 11:11:17 AM
 #11

BITMAIN launches the 4th generation bitcoin mining ASIC: BM1385
 32.5GH/s per chip, 0.216W/GH/s with 0.66V core voltage


Chip & Miner Power Efficiency Comparison
BM1380BM1382BM1384BM1385
Produced inQ4 2013Q2 2014Q4 2014Q3 2015
Primary model used inAntMiner S1AntMiner S3+AntMiner S5AntMiner S7
At the wall power consumption2000W/TH800W/TH510W/TH230W/TH


Where is
                                   Antminer S3++
                                   Antminer S4
                                   Antminer S4+
                                   Antminer S5+


Could also come S7+ or S7++ ?

you forget that every single model that has came out has had a chart that showed much better j/ghs rate then the machine has actually produced..

hopefully 230w/th doesnt end up 400w/th Sad

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August 19, 2015, 11:11:36 AM
 #12

Exciting news!

And i also wonder will the chips be on sale first then the S7?

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August 19, 2015, 11:25:31 AM
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Congratulations. Outstanding Achievement at this point of the game.
I would pay a lot to be a fly at BitFury's and KNC's HQ right now ...

 Grin

... so, no panic in your HQ right now?  Wink
No. Forgot 21

No, because SP is not designing ASICs anymore?
Or no, because SP knows how to realize an <= 0.21 J/GH ASIC @ 0.66V in 28nm?

0.66V is a pretty high voltage for the claimed efficiency. It is hard to believe that they achieve this only by custom design techniques, it seems that they had a fundamental idea how to increase the efficiency of the calculations.

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August 19, 2015, 11:32:56 AM
 #14

Very nice! Might very well look at getting an S7 on release Cheesy

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August 19, 2015, 11:41:55 AM
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Might actually get back into a little hobby mine with the new S7 if the price is right. Well done to Bitmain for the great improvement. I think this will appeal to many small home users to get back into mining.
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August 19, 2015, 11:48:33 AM
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Time to start saving coin
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August 19, 2015, 12:09:36 PM
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Time to start saving coin

I like this reply best.

I am glad that:

a) I did not crack and buy the s-5++
b) I grabbed some coin when prices dropped yesterday.

Please support sidehack with his new miner project Send to : 1BURGERAXHH6Yi6LRybRJK7ybEm5m5HwTr
I mine alt coins with https://simplemining.net I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
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August 19, 2015, 12:17:57 PM
 #18

PACMIC v4 will be interesting.
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August 19, 2015, 12:19:39 PM
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PACMIC v4 will be interesting.

Maybe v3 is based on the new chip... it would make sense with the 666 pricing and the .66V of the new chip.
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August 19, 2015, 12:20:26 PM
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PACMIC v4 will be interesting.

Maybe v3 is based on the new chip... it would make sense with the 666 pricing and the .66V of the new chip.

No, PACMIC v3 mines with the S5.
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