These application-specific integrated circuit (ASIC) machines keep leveling up. Back in 2023, Bitmain’s Antminer S19 XP Hyd led the pack with a hydro-cooled unit clocking 255 terahash per second (TH/s). Not long after, Microbt’s Whatsminer M53S++ entered the race with a max hashrate of 320 TH/s and an efficiency rating of 22 J/TH.

The bar was lifted again when Bitmain rolled out its Antminer S21 line in late 2023 and early 2024. One standout, the S21 XP+ Hydro, pushed the envelope with 500 TH/s and 11 J/TH. As 2024 came to a close, a new class of machines—still unavailable to the general public—emerged, hinting at performance levels twice that of the S21 XP+ Hydro.

In September 2024, Bitmain joined forces with Hut 8 to debut a direct liquid-to-chip ASIC miner that churns out 860 TH/s at 13 J/TH. Hot on their heels, rivals like Bitdeer, Microbt, and Auradine showcased units ranging from 424 TH/s to 600 TH/s. But Bitmain wasn’t done—its S23 line, poised for release in 2026, raises the ceiling yet again.

Bitcoin.com News reporter Terence Zimwara spotlighted the Antminer S23 Hydro, which touts 580 TH/s with an efficiency of 9.5 J/TH. Yet Bitmain’s boldest leap is the Antminer S23 Hydro 3U, set to hit shelves in January 2026, delivering over 1,000 TH/s—or just north of 1 PH/s of hashpower.

Bitmain’s Antminer S23 Hydro 3U with 1.16 PH/s of hashpower.

Specifically, the 3U model produces 1.16 PH/s while maintaining a sleek 9.5 J/TH efficiency. It features cutting-edge hydro-cooling and runs on 11020W of power. If this powerhouse were already available, it would top the profitability charts. As of now, based on current network difficulty, hashprice, and an electricity rate of $0.06 per kilowatt hour (kWh), it’s projected to earn $45.14 in daily profit.

The accelerating pace of innovation in bitcoin mining hardware suggests the industry is deep into a new arms race—one where performance and efficiency improvements are no longer incremental, but exponential. As miners chase tighter margins and compete for block rewards, machines pushing past 1 petahash may become the new standard rather than the exception, reshaping operational strategies across the sector.

Such leaps in computational capability and energy efficiency could radically alter the balance of mining power globally. Operators with access to cutting-edge machines may stand to gain a disproportionate advantage, potentially widening the gap between industrial-scale farms and smaller players. If this trend holds, mining may evolve into an arena where only the most technologically advanced survive.

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