Bitcoin (BTC) mining giant Bitmain has released two new 7nm (nanometer) “Antminer” crypto mining machines.
This is according to an official tweet that was posted just recently.
Bitmain had already said in September that it would be furnishing its new Antminer models with next-generation Application-Specific Integrated Circuit (ASIC) chips.
ASIC chips are made to compute optimally for a particular hashing algorithm and, as Bitmain’s tweet verified, these updated “acceleration” chips use an SHA256 algorithm, which is founded on 7nm Finfet semiconductor manufacturing technology.
The tweet from the firm reads:
“We are officially announcing the release of our new 7nm miners which possess industry-leading hash rates designed to mine with the SHA256 algorithm. Two models will be offered, the Antminer S15 and T15. Available for purchase on 11/8 [Nov. 8].”
In Bitmain CEO and co-founder Jihan Wu’s lecture a few months ago, he cited that the new chip incorporates “more than a billion transistors,” with the use of a special circuit structure and low power-intensive technology to optimize efficiency. Wu added that tests have indicated that the chip “can achieve a ratio of energy consumption to the mining capacity that is as low as 42J/T.”
Bitmain also announced it would be releasing a firmware update for so-called ‘Overt AsicBoost’ to all its Antminer models, which it said would bolster mining “effectiveness” on the machines.
Crypto’s mining titans have been fiercely competing for the edge in advanced mining hardware; just a day ahead of Bitmain in September, Bitfury Group revealed its own 14nm ASIC chip, called Bitfury Clarke, which is modified for SHA256 Bitcoin mining. Bitfury’s chip can apparently “execute a hashrate up to 120 gigahashes per second (GH/s) and a power efficiency rate as low as 55 millijoules per gigahash (mJ/GH).”
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