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Bitmain announces next generation 7nm ASIC chip BM1397 for SHA256 mining

Last night, 18th February 2019 – Bitmain Technologies Limited, announced its next generation 7nm ASIC chip — BM1397, which achieves new feats in performance, chip area and energy efficiency for mining cryptocurrencies such as BTC and BCH, that use the SHA256 algorithm for their PoW.



  • BM1397 chip combines new chip design methodology and world-leading 7nm semiconductor manufacturing process
  • Enables faster and cheaper mining for cryptocurrencies that use the SHA256 algorithm for their Proof of Work (PoW)

The new BM1397 chip requires lower power and can offer an energy consumption to computing ratio as low as 30J/TH. This is about 28.6 percent improvement in power efficiency in comparison with Bitmain’s previous 7nm chip, the BM1391. To achieve this, Bitmain’s engineering team has thoroughly customised the chip design to optimise its architecture, circuit and economics. The chip is made using TSMC’s 7nm FinFET process.

Bitmain’s innovations enable anyone, anywhere to mine and benefit from cryptocurrencies. The BM1397, part of Bitmain’s growing chip portfolio, is designed to bring a better mining experience and aims to set a new benchmark in ASIC chip technology. The BM1397 chip will feature in new Antminer models the S17 and T17 that will be announced soon by Bitmain.

Source: blog.bitmain.com

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