Today's Top Bitcoin (BTC) Mining Machines in Terms of Terahash Output

During the first week of August 2024, Bitcoin's hashprice—a key metric that gauges the daily value of one petahash per second (PH/s) of hashpower

As Bitcoin’s hashprice slid to record lows during the first week of August 2024, dipping below $38 per petahash per second (PH/s) of hashpower, only the most resilient bitcoin mining operations were able to thrive. In this competitive arena, the best-performing machines brought in the highest returns for miners.

Here, we take a closer look at the most powerful bitcoin application-specific integrated circuit (ASIC) mining rigs on the market today, ranking them by their terahash per second (TH/s) capabilities.

Air-Cooled, Hydro, and Immersion Bitcoin Mining

Following the fourth Bitcoin halving event, BTC miners encountered formidable challenges as hashprice hit rock bottom and mining difficulty peaked to record highs. However, the speed of technological advancement in bitcoin mining has been noteworthy since the launch of the first ASIC mining rig.

For instance, the Avalon 1, introduced by Canaan Creative in 2013, boasted a hashrate of 60 GH/s, or 0.06 TH/s. Today, the top-tier mining rigs can reach up to 390 TH/s, not including the soon-to-be-released models from Bitmain and Microbt.

Currently, three types of ASICs are available in the market: air-cooled, hydro-cooled, and immersion-cooled.

The original and most widespread type, air-cooled machines use fans to circulate air over the hardware, aiding in heat dissipation. While air-cooled miners are the most traditional and widely accessible option, they often struggle with efficiency and can be quite noisy. These machines may have trouble maintaining optimal temperatures, especially in larger mining setups.

Though they come with a lower initial cost, electricity bills can add up over time. At present, leading ASIC manufacturers are also focusing on developing hydro-cooled and immersion-cooled machines, which are considered more efficient alternatives.

Hydro bitcoin miners utilize a closed-loop system where deionized water flows through heat exchangers. While these systems can be pricey to purchase and set up, they offer the benefit of reduced operating expenses over time.

Similarly, immersion-cooled bitcoin miners also come with a hefty upfront cost but promise long-term savings on operational costs. In this setup, the entire mining hardware is submerged in a non-conductive dielectric fluid, which is said to outperform both hydro and air-cooled systems. While immersion cooling requires the highest initial investment, it excels in thermal management and heat dissipation, potentially extending the lifespan of the equipment.

Today’s Leading ASIC Bitcoin Mining Machines in Terms of Terahash per Second

With that out of the way, let’s dive into the machines crafted by Bitmain, Microbt and Auradine. First up is the Microbt Whatsminer M63S, a high-performance bitcoin mining machine equipped with hydro-cooling technology.

The M63S delivers a maximum hashrate of 364 TH/s with a power consumption of 6,734 watts (W). The Whatsminer boasts an efficiency rating of 18.5 joules per terahash (J/T). At the time of writing, the Microbt Whatsminer M63S stands as the most profitable machine on the market.

Next on the list is the Auradine Teraflux AI3680, the second most profitable ASIC miner. This immersion-cooled single-phase device cranks out 375 TH/s.

The U.S.-engineered AI3680 has an efficiency rating of around 15 J/T, slightly lower than the M63S. It also features a 4-nanometer (4nm) custom ASIC silicon chip and consumes 5,625 W. Auradine is a relatively new player in the ASIC race compared to veterans like Microbt, Bitmain, and Canaan.

Following the Teraflux AI3680 is Bitmain’s S21 Hydro Antminer, which offers a maximum hashrate of 335 TH/s. The S21 Hydro Antminer consumes 5,360 W of power, operates at a low noise level of around 50 decibels, and the hydro cycling feature ensures effective heat dissipation.

The Antminer also leverages custom 7nm chips and has an energy efficiency rating of 16 J/T.

Then there’s Microbt’s Whatsminer M63, an hydro-cooled miner that delivers around 334 TH/s. The Whatsminer M63 has a power consumption of 6,885 W and an efficiency rating of 19.9 J/T. Like the S21 Hydro, it also operates at a noise level of 50 decibels.

The M63 is an older machine, launched in October 2023, and the newer Whatsminers, which have yet to

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