Bitmain Antminer S21 Immersion (301Th)

Hashrate 301.0 TH/s Power 5,569 W Efficiency 18.5 J/TH

Auradine Teraflux AT2880

Hashrate 260.0 TH/s Power 4,420 W Efficiency 17.0 J/TH

Bitmain Antminer S21 Immersion (301Th) vs Auradine Teraflux AT2880

Side-by-side specs, profitability, and home mining comparison.

Specifications Comparison

Bitmain Antminer S21 Immersion (301Th)	Specification	Auradine Teraflux AT2880
301.0 TH/s	Hashrate	260.0 TH/s
5,569 W	Power Consumption	4,420 W
18.5 J/TH	Efficiency	17.0 J/TH
50 dB	Noise Level	75 dB
17.2 kg	Weight	—
19,001 BTU/hr	BTU Output	15,081 BTU/hr
44/100	Home Mining Score	—
—	Release Year	—
SHA-256	Algorithm	SHA-256
Bitmain	Manufacturer	Auradine

Profitability Comparison

Electricity Rate:

$/kWh

Bitmain Antminer S21 Immersion (301Th)

Daily Revenue 0.00013046 BTC $9.18

Daily Electricity -$13.37

Daily Profit -$4.18

Monthly -$125.46

Yearly -$1,526.39

Auradine Teraflux AT2880

Daily Revenue 0.00011269 BTC $7.93

Daily Electricity -$10.61

Daily Profit -$2.68

Monthly -$80.26

Yearly -$976.46

Based on BTC price of $70,395 and current network difficulty as of Mar 19, 2026. Actual results vary.

Verdict

Both the Bitmain Antminer S21 Immersion (301Th) and Auradine Teraflux AT2880 are closely matched across our scoring factors, with neither holding a decisive advantage. Your choice should depend on your specific priorities — review the specs and profitability analysis above.

Best For...

Best for Profitability

Tie

Both miners produce similar daily profit.

Best for Home Mining

Bitmain Antminer S21 Immersion (301Th)

Score: 44/100. 50 dB noise level.

Best for Efficiency

Auradine Teraflux AT2880

17.0 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Bitmain Antminer S21 Immersion (301Th) or Auradine Teraflux AT2880 more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the Auradine Teraflux AT2880 is more profitable at $-2.68/day compared to $-4.18/day for the Bitmain Antminer S21 Immersion (301Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the Bitmain Antminer S21 Immersion (301Th) or Auradine Teraflux AT2880?

The Bitmain Antminer S21 Immersion (301Th) is quieter at 50 dB compared to the Auradine Teraflux AT2880 at 75 dB. For home mining, lower noise levels make a significant difference in livability.

Which is better for home mining, the Bitmain Antminer S21 Immersion (301Th) or Auradine Teraflux AT2880?

The Bitmain Antminer S21 Immersion (301Th) scores 44/100 on our Home Mining Score (vs 0/100 for the Auradine Teraflux AT2880). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.

What is the efficiency difference between Bitmain Antminer S21 Immersion (301Th) and Auradine Teraflux AT2880?

The Bitmain Antminer S21 Immersion (301Th) runs at 18.5 J/TH while the Auradine Teraflux AT2880 runs at 17.0 J/TH — a difference of 1.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.

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